BOS - OSA

$585 Find Cheap Flights from Boston to Osaka - Compare and Save

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Everything you should know

Cheapest round-trip
$760
Typical prices: $1,174-$1,777
Multiple Airlines
Thu 1/18Thu 1/25
BOS - ITM • 2 stops
Cheapest one-way
$495
Typical prices: $636-$1,134
Multiple Airlines
Sat 2/24
BOS - KIX • 2 stops
Nonstop flights
There are currently no direct flights between Boston and Osaka. You'll need to take a connecting flight to reach the destination.
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Top routes
Cheapest • 7% average savings
Most popular
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When to book
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 51% compared to booking last minute.
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When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $920 (round-trip)
Shortest trip • 17h 10m (one-way)
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We hope you love your trip to Osaka!
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Flight Deals

Cheap Flights from Boston to Osaka (BOS-OSA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Osaka

Mon, Jan 18 - Mon, Jan 25
Multiple Airlines Logo
5:45 am - 7:10 pmBOS  Boston Logan Intl-ITM Osaka Itami
23h 25m2 stops Toronto Pearson Intl Tokyo Haneda
Multiple Airlines Logo
3:40 pm - 10:37 pmITM  Osaka Itami-BOS Boston Logan Intl
20h 57m2 stops Tokyo Haneda Toronto Pearson Intl
$760Multiple Airlines
Wed, Feb 17 - Mon, Feb 22
Multiple Airlines Logo
5:45 am - 7:10 pmBOS  Boston Logan Intl-ITM Osaka Itami
23h 25m2 stops Toronto Pearson Intl Tokyo Haneda
Multiple Airlines Logo
3:40 pm - 10:37 pmITM  Osaka Itami-BOS Boston Logan Intl
20h 57m2 stops Tokyo Haneda Toronto Pearson Intl
$760Multiple Airlines
Sun, Feb 14 - Fri, Feb 19
United Airlines Logo
8:17 pm - 4:45 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
30h 28m1 stop San Francisco
United Airlines Logo
6:35 pm - 5:36 amKIX  Osaka Kansai Intl-BOS Boston Logan Intl
25h 01m1 stop San Francisco
$818United Airlines
Mon, Feb 8 - Fri, Feb 12
United Airlines Logo
2:25 pm - 4:45 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
36h 20m2 stops Washington, D.C. Dulles Intl San Francisco
United Airlines Logo
6:35 pm - 11:26 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
18h 51m1 stop San Francisco
$822United Airlines
Sun, Feb 21 - Wed, Mar 3
ANA Logo
6:00 am - 7:30 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
23h 30m2 stops Washington, D.C. Dulles Intl Tokyo Haneda
ANA Logo
6:35 pm - 11:39 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
19h 04m1 stop San Francisco
$835ANA
Mon, Jan 18 - Mon, Jan 25
ANA Logo
6:00 am - 9:45 pmBOS  Boston Logan Intl-UKB Kobe
25h 45m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
9:20 pm - 1:55 pmUKB  Kobe-BOS Boston Logan Intl
30h 35m2 stops Tokyo Haneda Chicago O'Hare Intl
$835ANA
Mon, Dec 7 - Mon, Dec 14
Japan Airlines Logo
7:00 am - 7:10 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
22h 10m1 stop Los Angeles
Japan Airlines Logo
9:10 pm - 5:25 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
34h 15m1 stop Tokyo Narita
$872Japan Airlines
Mon, Dec 7 - Mon, Dec 14
Japan Airlines Logo
10:24 am - 10:20 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
21h 56m2 stops Chicago O'Hare Intl Tokyo Haneda
Japan Airlines Logo
9:10 pm - 5:25 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
34h 15m1 stop Tokyo Narita
$872Japan Airlines
Tue, Feb 23 - Tue, Mar 9
Cathay Pacific Logo
12:30 am - 9:05 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
30h 35m1 stop Hong Kong Intl
Cathay Pacific Logo
5:00 pm - 10:00 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
43h 00m1 stop Hong Kong Intl
$1,382Cathay Pacific
Mon, Mar 1 - Mon, Mar 15
Cathay Pacific Logo
12:30 am - 5:40 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
27h 10m1 stop Hong Kong Intl
Cathay Pacific Logo
6:05 pm - 11:00 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
41h 55m1 stop Hong Kong Intl
$1,382Cathay Pacific
Booking Insights

Price, demand and travel trends for Boston to Osaka flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Boston to Osaka flight route?

Boston (BOS) to Osaka Kansai Intl Airport (KIX) is the cheapest Boston to Osaka route, averaging $1,309 round-trip. Other Boston to Osaka routes average $1,493, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Boston to Osaka?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Boston to Osaka. It’s 18% cheaper than the average day, while Friday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from Boston to Osaka?

•January is the cheapest month to fly from Boston to Osaka at $1,031 round-trip.
•December ($2,343) and July ($1,633) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 127% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boston to Osaka the cheapest?

Flights from Boston to Osaka are cheapest 18 weeks before departure. Booking in this window typically costs about 51% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Boston to Osaka flights

Low season

November

Cheapest flight

$495
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 63% increase in travelers.
One-way flight from Boston to Osaka Kansai Intl Airport

When to book flights from Boston to Osaka

Are your dates flexible? Find out the best times to travel from Boston to Osaka based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Osaka flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boston to Osaka?

    Three cabin classes are available on flights from Boston to Osaka:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Boston to Osaka?

    A nonstop flight from Boston to Osaka takes 00m, covering 6,852 miles.

  • Do I need a passport to fly from Boston to Osaka?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Osaka flight?

    Round-trip flights from Boston to Osaka range from $1,174 to $1,777, with an average of $1,392 over the past 12 months. Anything below $1,174 counts as a good deal.

  • How expensive are last-minute Boston to Osaka flights?

    Last-minute fares on this route (booked within two weeks of departure) run 46% above the $1,392 route average. Book 18 weeks before departure for the lowest fares.

  • How are flight prices from Boston to Osaka looking right now?

    One-way fares from Boston to Osaka are currently lower than usual. Average one-way flight prices are about $704, which is 14% below the typical average for this route.

  • What car rental options are available in Osaka?

    Since Osaka is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Osaka Kansai Intl Airport (KIX) — daily rates from around $10:

    • Yesaway
    • IX Rental
    • HM Rent a Car
    • CG Car Rental
    • KuMa Rental Car

    Near Osaka Itami Airport (ITM) — daily rates from around $28:

    • Avis
    • Budget
    • Alamo
    • ORIX Rent a Car
    • Nissan Rent-A-Car

  • Which airports can I use when flying from Boston to Osaka?

    Flights from Boston to Osaka usually depart from Boston Logan Intl (BOS) and may arrive at several airports in Osaka area, including Osaka Itami (ITM) and Osaka Kansai Intl (KIX).

  • Which airports do connecting flights from Boston to Osaka pass through?

    One-stop flights from Boston to Osaka most commonly connect through:

    • Tokyo Narita (NRT) - 40% of one-stop connections
    • Hong Kong Intl (HKG) - 29% of one-stop connections
    • San Francisco (SFO) - 20% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Osaka?

    Yes. Flexible dates can save you up to 30% on flights from Boston to Osaka. Sunday is the cheapest departure day at $1,147 round-trip on average, while Friday is the most expensive at $1,632, a difference of $485.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Boston to Osaka?

    Flying via Tokyo Narita (NRT) gives the shortest average 1-stop total travel time at 17h 10m, compared with 19h 40m via San Francisco (SFO) and 19h 52m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Boston and Osaka?

    Osaka is 13 hours ahead of Boston (Japan Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Osaka?

    Some of the most popular sights in Osaka are Universal Studios Japan and Dotonbori Glico Man Sign. These are among the most viewed places in Osaka on KAYAK.

  • What seat selection options are available on Cathay Pacific flights from Boston to Osaka?

    Cathay Pacific offers several seat selection options to passengers. Passengers can choose a standard seat for free during the booking process or at check-in or preferred seats, which offer more legroom or are located in a more convenient location on the aircraft. Preferred seats are subject to an additional fee and can be selected during the booking process or at check-in.

  • What is the luggage allowance on Japan Airlines flights from Boston to Osaka?

    For Economy class, passengers are typically allowed one checked bag with a maximum weight of 50 lbs on Japan Airlines flights from Boston to Osaka. Business class passengers are usually allowed two checked bags, each weighing a maximum of 70 lbs. First class passengers generally enjoy the same allowance as Business class.

  • What services does ANA offer economy passengers on flights from Boston to Osaka?

    ANA offers personal seat back entertainment systems for economy class with a vast selection of movies, TV shows, music, and games. The airline provides complimentary meals, with a choice of Western or Japanese-style cuisine. ANA also offers Wi-Fi and in-flight connectivity, allowing passengers to stay connected and access the internet during the flight.

  • How do I get from Kansai Airport (KIX) to the city center?

    The train is the most convenient and budget-friendly way to reach the city center from KIX. You can take the JR Limited Express Haruka train, which takes about 45–50 minutes to reach Osaka station. There are a number of bus services that operate between Kansai Airport and the city center. The most popular option is the airport limousine service, which takes about 50–60 minutes to reach Osaka's major hotels.

Your guide to booking Boston to Osaka flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average $1,147, about $485 less than Friday fares (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 51% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Osaka trip for January. Fares historically average $1,031 round-trip in that month - typically $1,312 less than the most expensive month, which is December (based on the last 12 months).
  • US citizens will need a visa to travel from Boston (BOS) to Osaka (OSA). The type of visa required depends on the purpose of the visit, the duration of stay, and other factors. To apply for a Japanese visa, US citizens must submit the required documents such as a valid passport, visa application form, photos, and other supporting documents depending on the type of visa applied for.
  • Air Canada allows cats and dogs to travel on flights from Boston to Osaka. There is a fee for traveling with pets, which varies depending on the type and size. You must also provide all necessary documentation for your pet, such as a health certificate, vaccinations, and any other required permits.
  • Flights from Boston to Osaka usually have layovers in various cities depending on the airline. Some common layovers for these flights include Tokyo (NRT), San Francisco (SFO), New York (JFK), Hong Kong (HKG), Vancouver (YVR), Washington (IAD), and Chicago (ORD).
  • United Airlines has a customer care program called “Special Needs” that is designed to meet the needs of passengers who require assistance or mobility aids. The airline provides wheelchairs and other mobility aids at the airport and onboard the aircraft to passengers who require them, including for flights from Boston to Osaka.
  • American Airlines offers flights from Boston to Osaka and has invested in fuel-efficient aircraft to reduce the environmental impact of their flights. The company has implemented operational measures, such as using more efficient flight paths, optimizing ground operations, and reducing weight on flights.

More options for your flight from Boston to Osaka

Complete your trip to Osaka with a hotel stay or car rental