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BOS - KIX

$676 Find cheap flights from Boston to Osaka Kansai Intl

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Kansai Intl departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
sáb 6/29
sáb 7/6

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Osaka.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Osaka.
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Cheap flight deals from Boston to Kansai Intl (BOS-KIX)

 
These are the cheapest deals for flights from Boston to Kansai Intl currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Boston to Kansai Intl

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Boston to Kansai Intl.

Recent one-way flight deals from Boston to Kansai Intl

Only flying one-way? Below are some of the best one-way flight deals from Boston to Kansai Intl found on KAYAK recently.

Recent last minute flight deals from Boston to Kansai Intl

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Boston to Kansai Intl.

Recent direct flight deals from Boston to Kansai Intl

The latest deals for direct flights from Boston to Kansai Intl so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Boston to Kansai Intl

Find recent round-trip train or bus tickets from Boston to Kansai Intl.

All round-trip flight deals to Kansai Intl

The cheapest plane tickets to Kansai Intl found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
1:45 am - 9:25 pmBOS-KIX
30h 40m1 stop
9:10 am - 10:20 pmKIX-BOS
26h 10m1 stop
$1,021Cathay Pacific
Find Deal
seg, set 9 - ter, set 24
1:45 am - 6:35 amBOS-KIX
39h 50m1 stop
9:10 am - 10:20 pmKIX-BOS
26h 10m1 stop
$1,032Cathay Pacific
Find Deal
ter, set 17 - seg, set 30
6:10 pm - 4:55 pmBOS-KIX
33h 45m2 stops
7:00 pm - 9:37 amKIX-BOS
27h 37m2 stops
$1,155Air Canada
Find Deal
dom, set 8 - qui, set 26
6:00 am - 4:20 pmBOS-KIX
21h 20m2 stops
7:05 am - 2:38 pmKIX-BOS
44h 33m2 stops
$1,160
Find Deal
qui, out 17 - ter, out 29
6:05 am - 4:20 pmBOS-KIX
21h 15m1 stop
6:00 pm - 9:37 amKIX-BOS
28h 37m2 stops
$1,161Air Canada
Find Deal
seg, set 23 - sex, out 4
4:05 pm - 4:20 pmBOS-KIX
35h 15m1 stop
7:05 am - 9:36 amKIX-BOS
39h 31m2 stops
$1,165
Find Deal
ter, out 15 - ter, out 29
9:50 pm - 7:00 pmBOS-KIX
32h 10m1 stop
9:55 pm - 7:55 pmKIX-BOS
35h 00m1 stop
$1,211Turkish Airlines
Find Deal
qua, set 4 - qua, set 18
9:50 pm - 7:00 pmBOS-KIX
32h 10m1 stop
9:55 pm - 7:55 pmKIX-BOS
35h 00m1 stop
$1,310Turkish Airlines
Find Deal
seg, set 2 - sex, set 20
8:00 am - 6:55 pmBOS-KIX
21h 55m1 stop
5:45 pm - 7:05 amKIX-BOS
26h 20m1 stop
$1,353American Airlines
Find Deal
qua, out 2 - qua, out 23
8:06 am - 6:55 pmBOS-KIX
21h 49m1 stop
5:45 pm - 11:38 pmKIX-BOS
18h 53m1 stop
$1,443American Airlines
Find Deal
dom, ago 11 - qui, ago 22
3:10 pm - 2:30 pmBOS-KIX
33h 20m3 stops
qua, nov 20
6:00 am - 4:20 pmBOS-KIX
21h 20m2 stops
$689Air Canada
Find Deal
qui, out 24
3:30 pm - 4:55 pmBOS-KIX
36h 25m2 stops
$710Air Canada
Find Deal
qui, out 24
6:00 am - 10:20 pmBOS-KIX
26h 20m2 stops
qua, nov 20
7:40 pm - 4:55 pmBOS-KIX
32h 15m2 stops
$747Air Canada
Find Deal
ter, jul 2
1:45 am - 9:25 pmBOS-KIX
30h 40m1 stop
$827Cathay Pacific
Find Deal
qua, out 23
12:30 am - 3:15 pmBOS-KIX
24h 45m1 stop
$911Cathay Pacific
Find Deal
ter, nov 19
12:05 pm - 10:15 pmBOS-KIX
20h 10m1 stop
$1,026Japan Airlines
Find Deal
qua, nov 20
8:00 am - 6:45 pmBOS-KIX
21h 45m1 stop
$1,047Hawaiian Airlines
Find Deal
qui, out 24
9:50 pm - 7:00 pmBOS-KIX
32h 10m1 stop
$1,307Turkish Airlines
Find Deal
seg, jul 1
8:30 am - 3:50 pmBOS-KIX
42h 20m1 stop
7:15 am - 6:30 amKIX-BOS
36h 15m2 stops
$1,577
Find Deal
sáb, jun 1 - qui, jun 13
8:30 am - 3:50 pmBOS-KIX
42h 20m1 stop
7:15 am - 6:30 amKIX-BOS
36h 15m2 stops
$1,590
Find Deal
sáb, jun 1 - sex, jun 7
8:30 am - 3:50 pmBOS-KIX
42h 20m1 stop
7:30 am - 6:30 amKIX-BOS
36h 00m2 stops
$1,609
Find Deal
sex, mai 31 - qui, jun 6
8:30 am - 3:50 pmBOS-KIX
42h 20m1 stop
7:30 am - 6:30 amKIX-BOS
36h 00m2 stops
$1,620
Find Deal
sáb, jun 1 - sex, jun 14
7:40 pm - 7:30 pmBOS-KIX
34h 50m2 stops
6:00 pm - 9:38 amKIX-BOS
28h 38m2 stops
$1,675Air Canada
Find Deal
sáb, jun 1 - ter, jun 11
6:05 am - 7:30 pmBOS-KIX
24h 25m2 stops
6:00 pm - 9:28 amKIX-BOS
28h 28m2 stops
$1,720Air Canada
Find Deal
dom, jun 2 - sáb, jun 8
8:30 am - 6:45 pmBOS-KIX
21h 15m1 stop
8:45 pm - 6:30 amKIX-BOS
22h 45m1 stop
$1,871Hawaiian Airlines
Find Deal
sex, mai 31 - dom, jun 9
11:40 am - 2:55 pmBOS-KIX
38h 15m3 stops
4:20 pm - 10:20 pmKIX-BOS
43h 00m2 stops
$1,913Cathay Pacific
Find Deal
sáb, jun 1 - ter, jun 11
11:40 am - 2:55 pmBOS-KIX
38h 15m3 stops
4:20 pm - 10:20 pmKIX-BOS
43h 00m2 stops
$1,962Cathay Pacific
Find Deal
sáb, jun 1 - sáb, jun 8
9:50 pm - 7:00 pmBOS-KIX
32h 10m1 stop
9:55 pm - 7:55 pmKIX-BOS
35h 00m1 stop
$2,327Turkish Airlines
Find Deal
dom, jun 2 - sáb, jun 8

Flights from Boston to Kansai Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Boston to Kansai Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Boston to Osaka Kansai Intl?

The average price of all flights from Boston to Osaka Kansai Intl Airport clicked on KAYAK for each day over the last 12 months.
For Boston to Osaka Kansai Intl, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Osaka Kansai Intl back to Boston, the best deals are generally found on Tuesday, with Friday being the most expensive.

What is the cheapest month to fly from Boston to Osaka Kansai Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Boston to Osaka Kansai Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Boston to Osaka Kansai Intl Airport is April, where tickets cost $1,227 on average. On the other hand, the most expensive months are December and November, where the average cost of tickets is $2,587 and $1,994 respectively.

Which airlines provide the cheapest flights from Boston to Osaka Kansai Intl?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Boston to Osaka Kansai Intl found by KAYAK users in the last 72 hours was for $1,021 on Cathay Pacific, followed by Air Canada ($1,155). One-way flight deals have also been found from as low as $689 on Air Canada and from $827 on Cathay Pacific.

Good to know

Low season

November

High season

July

Cheapest flight

$676
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly with an average 12% increase in price.
Flight from Boston to Osaka Kansai Intl

When to book flights from Boston to Kansai Intl

Are your dates flexible? Find out the best times to travel from Boston to Kansai Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Boston to Osaka Kansai Intl flights

  • What is the cheapest flight from Boston to Osaka Kansai Intl Airport?

    In the last 3 days, the lowest price for a flight from Boston to Osaka Kansai Intl Airport was $676 for a one-way ticket and $1,021 for a round-trip.

  • Do I need a passport to fly between Boston and Osaka Kansai Intl?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Osaka Kansai Intl.

  • Which aircraft models fly most regularly from Boston to Osaka Kansai Intl?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Osaka Kansai Intl?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Boston and Osaka Kansai Intl, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Boston to Osaka, Hawaiian Airlines or Cathay Pacific?

    The two airlines most popular with KAYAK users for flights from Boston to Osaka are Hawaiian Airlines and Cathay Pacific. With an average price for the route of $1,920 and an overall rating of 8.0, Hawaiian Airlines is the most popular choice. Cathay Pacific is also a great choice for the route, with an average price of $1,606 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Boston to Osaka Kansai Intl?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Osaka Kansai Intl.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Osaka Kansai Intl?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Osaka Kansai Intl from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Osaka Kansai Intl?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Osaka Kansai Intl with an airline and back to Boston with another airline. Booking your flights between Boston and KIX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Osaka Kansai Intl?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Osaka Kansai Intl from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Boston to Kansai Intl

 
See real verified KAYAK customer reviews for airlines flying from Boston to Osaka. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Kansai Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
ANAOverall score based on 915 reviews
8.3Comfort
8.0Entertainment
7.8Food
8.6Boarding
8.8Crew
Airline reviews

excellent, the food was excellent and delicious, and the crew were very helpful and accommodating. thank you very much

10.0 Excellentgreggacad, May 2024MNL - HND
Read more about ANA reviews

excellent, the food was excellent and delicious, and the crew were very helpful and accommodating. thank you very much

Excellent. All the ticket prices have gone up so much. With only economy as the option, I thought I better pay for a good airline and I am glad I took ANA. The only thing is the long layover at Hanaeda enroute to Singapore. Any chance to bring back the service to land at Narita instead for the transit and a shorter layover will be fantastic. I am a fan of ANA.

Good. Got me there and back safely and mostly on time. 30 min delay for maintenance once but that means more time for nap. Crew was super nice.

Incredible. Amazing legroom. Over head fans for each person. Tv screens were great. Headphones were adequate. Seats were comfortable and spacious. Loved it.

The space for the seats i like it. Its not too close like other air line. The food is ok and also the staff. I'm waiting for my flight rewards point because until now i didn't recieved it.

The staff, ground and air, at ANA was very helpful and friendly during check in, boarding and during the flight. This is the reason why I always fly ANA whenever I go to Manila. The food was not the best but the flight crew more than makes up for the shortfall.

First I will say this was really NOT an ANA flight. ANA used a UNITED jet to perform this flight. I specifically booked with ANA because I did NOT WANT TO FLY UNITED FOR INTERNATIONAL FLIGHTS. So to spend $1800.00 and then discover after booking that it was going to be handled by United was very disappointing. I will be more careful next time when I book. The interior was very cramped in economy class; the dinner meal was terrible and also had extremely small portions for an international flight - the bread roll was ice cold and stale - that salad was very wilted; I’ve never had a “snack” that was so salty that it was difficult to eat; the breakfast “waffle” was practically unrecognizable. Really horrible meals for a very expensive international flight. Bathroom floor was also pretty dirty. I’m hoping my return flight is a real ANA airplane that is cleaned and serviced by ANA personnel with ANA meals. I will never book with ANA again if they continue to use UNITED airline jets. Yuck!!!🤢

Ticket was purchased as a United Airlines flight (operated by All Nippon) like what does that even mean? Makes for a VERY confusing flight experience. For instance, what do I look for a United drop off signage and ticket counter or ANA? No explanation anywhere to be found. I also felt a little bit scammed by the obsurdely restrictive seat selection provided. Only middle seats available!! Are you kidding me!! On 6hr + 10hr flights you're forcing me into the middle seat without telling me before I purchased the ticket?? This should be illegal. And to top it off, on the Tokyo LA leg there were quite a few empty seats including window seats! I must also say, the food was a dissappointing as well for my taste, fish with rice ( mostly plain white rice) or a vegetable medly for the breakfast meal? Should be at least 4 choices and at least 1 with eggs. Outside of these issues flight was otherwise ok.

Ground and flight crew were all courteous, extremely helpful and professional. Overall, process is really organized, from boarding to disembarkation.

This is a very long flight and the first time I have flown on a Japanese airline. I was very impressed with the staff. They worked hard and offered food and drink regularly. Plane was very well cared for. The let room was good . Food was ok but better than other airlines.

Great, the flight attendants were very friendly and the food was also good.

The overall flight went well and the aircrew was pleasant.

Cathay Pacific seems to be an airline in trouble and on its way out. Lots of broken or poorly functioning things like entertainment screens, seats, and enough well trained staff to handle a full flight. Sad...

The flight crew was exceptionally good. Personal needs were well met. The food choices were very nice.

Excellent. Planes are a little older and could get some refurbishment, but besides that everything was excellent.

While I was in great pain, the seat was sufficiently comfortable to allow me to rest and not be in so much pain.

we were upgraded which was a blessing and tender mercy for us. I fell the day before and was in extreme pain from knee to shoulder. Sitting in a more comfortable seat during the flight was an unexpected blessing and experience.

My seat was sold off to someone else. Had to wait 9 hours to catch the next filght. Definitely will never use Cathay Pacific again. Bad, very bad airline. will comment on google reviews too.

Very poor check-in experience, and flight meal service was very disappointing with no drinks service or hot meal.

Seats were very comfortable. Crew were excellent. Food very good.

Overnight flight in the old style Business class, but still very good.

I was in business class, without the business class amenities. Large seat with lots of legroom, but no TV or bed. Food was okay, but I did enjoy the Turkish red wine.

Excellent service and comfort from the moment you check in. Flight crew is hyper focused on making passengers comfortable and at ease. It’s like a flying hotel!

Only chicken as a meat dish through out the flight

Nothing really was great as such. Seen other no name airlines perform better.

Quality of service on board was very inconsistent. FA service primarily seemed robotic and they barely engaged with passengers

I’m unclear why I had to pay extra for assigned seats as Turkish airlines did not honor the seating. We were placed across the aisle from each other on TK 34, and were seated behind one another on TK 694. Because my name was misspelled on e-ticket (Klawiter, instead of Klawitter) I could not log onto website to get the connection gate number in Istanbul. The monitors in the airport were a jumbled mess 1/2 Arabic and 1/2 English.

On line check in needs a lot of improvement. I tried and gave up.

Food not good, flight attendants not the best, not accommodating very ruff

the female flight attendant was racist towards me. I could tell she treated the two other passengers next to me with more softness.

The flight and boarding were easy peasy. I was traveling with my 4-year-old, so a smooth boarding experience was especially appreciated. My only piece of feedback is really about where our gate was in O'Hare. They've shoved four gates into a tiny corner of the B terminal and there isn't early enough room or seating for everyone. Not United's problem, but did dent the overall experience.

We liked the fully reclinable seats. Had center seats, so it was difficult to talk to spouse. Crew was great

Aisle chair was good and liked the foot bar preventing you from putting your foot in the isle, The breakfast on this international flight to Zurich was horrible (Europeans, specially, used to good food) may make this a dealbreaker for booking with United Airlines again. I agreed with my Spanish fellow passenger.

Dinner was okay but the breakfast was not eatable on the flight San Francisco to Zurich.

There was no screens on board AND the WiFi didn’t work. My seat was broken and couldn’t recline so I couldn’t even sleep. The flight attendants didn’t offer anything to make it more comfortable. It was such an old cramped plane, when the person in front of me reclined I couldn’t even open my tray table. All the United ads talk about guaranteeing everyone gets a screen!

The Wi-Fi was unavailable on this flight for some reason.

The flight was delayed almost 2 hours. Bad customer service etc. I will never fly Luthansa. Ever!!!

On time take off…US cabins look tired and need of refresh!

Fine. Though no food or entertainment so the survey needs to be updated with those options.

Backpack should NOT allowed put in the flight bin , only put it under the seat. I can't find space put my carry on luggage!!! and I pay for it ! that was very bad experience

Unable to initiate refund/reschedule the ticket #worst experience #lost 900$

Flight was delayed for almost 3 hours. Communication of gate change was poor. Email and screen said one gate and it was a different gate from that. Gate changed first to 64 B and then to 64 C. Originally it was 68B. 64C was not communicated properly!

This was a red eye return, so I doubt there would be anyway to make it better. Other than adding beds.

Direct nonstop flight was great. Flight was delayed and the crew announced a 2h delay on the sound system. 30 min or so later I hear my name on the sound system for immediate board. Several other passangers were late too. Reason: The crew incorrectly announced a 2h delay when in reality they meant a new boarding time at 2pm.

Plenty of room in the exit row. Sat on the plane an hour before taking off.☹️ Landed late and had to wait for gate availability.

Flight was on time early arrival better entertainment good staff.everything was excellent

Delayed leaving. On arrival we were taken to the airstrip and had to get off onto an over crowed bus, not all that passengers fit. Drove around the airport for 20 + minutes. Taken off the bus told to go upstairs 3 flights then all the passengers had to walk a mile or more , those of us old there was no one to direct us to were to go. I asked several people with no answers. Once I got to baggage claim my bags were not on the right bag claim. Once again asked for help and finally someone found my bags on a different carasel. Very frustrating.

Excellent host on board. Not so friendly check-in staff. Older plane with no food or entertainment due to short flight. Friendly captain and crew.

I don’t think there was entertainment? No mention of it. It was a good flight. Only complaint was my seat cushion was not attached and kept slipping.

Squeeze like sardines. ANA has much better leg room. The food on air canada was disgusting. Worse that left over microwave dinner. Like you heated up microwave dinner then saved it overnight, then microwaved it again and added nasty garnish to try to elevate but instead made it as edible as cat food.

Book cheap flights from Boston to Osaka

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Boston to Osaka found on KAYAK in the last 72 hours.
11/20qua
3 stops
33h 20mBOS-KIX
$676
10/24qui
2 stopsAir Canada
21h 20mBOS-KIX
$689
10/24qui
2 stopsAir Canada
36h 25mBOS-KIX
$710
11/20qua
2 stops
26h 20mBOS-KIX
$722
7/2ter
2 stopsAir Canada
32h 15mBOS-KIX
$747
10/23qua
1 stopCathay Pacific
30h 40mBOS-KIX
$827
11/19ter
1 stopCathay Pacific
24h 45mBOS-KIX
$911
11/20qua
1 stopJapan Airlines
20h 10mBOS-KIX
$1,026
10/24qui
1 stopHawaiian Airlines
21h 45mBOS-KIX
$1,047
7/1seg
1 stopTurkish Airlines
32h 10mBOS-KIX
$1,307

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Last minute flights from Boston to Kansai Intl

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Boston to Osaka that are departing in the next 10 days.
6/1sáb
multi-stop
42h 20mBOS-KIX
6/13qui
multi-stop
36h 15mKIX-BOS
$1,577
6/1sáb
multi-stop
42h 20mBOS-KIX
6/7sex
multi-stop
36h 15mKIX-BOS
$1,590
5/31sex
multi-stop
42h 20mBOS-KIX
6/6qui
multi-stop
36h 00mKIX-BOS
$1,609
6/1sáb
multi-stop
42h 20mBOS-KIX
6/14sex
multi-stop
36h 00mKIX-BOS
$1,620
6/1sáb
multi-stopAir Canada
34h 50mBOS-KIX
6/11ter
multi-stopAir Canada
28h 38mKIX-BOS
$1,675
6/2dom
multi-stopAir Canada
24h 25mBOS-KIX
6/8sáb
multi-stopAir Canada
28h 28mKIX-BOS
$1,720
5/31sex
multi-stopHawaiian Airlines
21h 15mBOS-KIX
6/9dom
multi-stopHawaiian Airlines
22h 45mKIX-BOS
$1,871
6/1sáb
multi-stopCathay Pacific
38h 15mBOS-KIX
6/11ter
multi-stopCathay Pacific
43h 00mKIX-BOS
$1,913
6/1sáb
multi-stopCathay Pacific
38h 15mBOS-KIX
6/8sáb
multi-stopCathay Pacific
43h 00mKIX-BOS
$1,962
6/2dom
multi-stopTurkish Airlines
32h 10mBOS-KIX
6/8sáb
multi-stopTurkish Airlines
35h 00mKIX-BOS
$2,327

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Boston - Osaka Kansai Intl Flights

Departure:

Boston (BOS)United States

Destination:

Osaka Kansai Intl (KIX)Japan

Return flight deals:

Osaka Kansai Intl - Boston

Cabin classes: