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MDT - SEA

$137 Find cheap flights from Harrisburg to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Harrisburg to Seattle departing on 6/17. 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
Sat 6/22
Sat 6/29

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Harrisburg to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Harrisburg to Seattle, as well as popular online travel agencies
In the last 7 days travelers have searched 43,800,826 times on KAYAK, and here is why:

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Cheap flight deals from Harrisburg to Seattle (MDT-SEA)

 
These are the cheapest deals for flights from Harrisburg to Seattle 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 Harrisburg to Seattle

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Harrisburg to Seattle.

Recent one-way flight deals from Harrisburg to Seattle

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

Recent last minute flight deals from Harrisburg to Seattle

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

Recent direct flight deals from Harrisburg to Seattle

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

Cheap bus & train deals from Harrisburg to Seattle

Find recent round-trip train or bus tickets from Harrisburg to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:15 am - 12:34 pmMDT-SEA
9h 19m1 stop
10:32 pm - 10:50 amSEA-MDT
9h 18m1 stop
$277American Airlines
Find Deal
Wed, Aug 28 - Wed, Sep 4
3:35 pm - 10:14 pmMDT-SEA
9h 39m1 stop
10:54 pm - 11:26 amSEA-MDT
9h 32m1 stop
$280American Airlines
Find Deal
Tue, Aug 27 - Fri, Sep 6
3:35 pm - 10:14 pmMDT-SEA
9h 39m1 stop
11:50 pm - 11:26 amSEA-MDT
8h 36m2 stops
$285American Airlines
Find Deal
Tue, Aug 27 - Fri, Sep 6
6:05 pm - 11:56 pmMDT-SEA
8h 51m1 stop
6:00 am - 11:39 pmSEA-MDT
14h 39m2 stops
$360Delta
Find Deal
Thu, Sep 26 - Sat, Oct 5
6:05 pm - 11:56 pmMDT-SEA
8h 51m1 stop
6:00 am - 11:39 pmSEA-MDT
14h 39m2 stops
$370Delta
Find Deal
Thu, Sep 26 - Sat, Oct 5
5:50 pm - 7:57 amMDT-SEA
17h 07m2 stops
6:45 am - 9:35 pmSEA-MDT
11h 50m2 stops
$447United Airlines
Find Deal
Wed, Aug 28 - Wed, Sep 4
6:00 am - 6:42 pmMDT-SEA
15h 42m2 stops
6:45 am - 9:35 pmSEA-MDT
11h 50m2 stops
$522United Airlines
Find Deal
Wed, Aug 14 - Tue, Aug 20
6:12 pm - 11:59 pmMDT-SEA
8h 47m1 stop
8:25 am - 9:37 pmSEA-MDT
10h 12m1 stop
$525Alaska Airlines
Find Deal
Mon, Jul 1 - Tue, Jul 9
6:57 pm - 7:57 amMDT-SEA
40h 00m3 stops
11:59 pm - 9:07 pmSEA-MDT
18h 08m2 stops
Thu, Jun 27 - Sun, Jun 30
9:09 pm - 8:06 amMDT-SEA
37h 57m3 stops
2:51 pm - 7:45 pmSEA-MDT
25h 54m3 stops
Sat, Jun 22 - Sat, Jun 29
9:57 pm - 8:51 pmMDT-SEA
25h 54m2 stops
Mon, Jun 17
5:45 pm - 10:57 pmMDT-SEA
8h 12m1 stop
$139American Airlines
Find Deal
Sat, Aug 17
6:01 pm - 12:21 amMDT-SEA
9h 20m1 stop
$148Delta
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Thu, May 30
10:48 pm - 4:08 pmMDT-SEA
20h 20m2 stops
Fri, Sep 27
9:57 pm - 8:51 pmMDT-SEA
25h 54m2 stops
Mon, Jun 17
3:00 pm - 9:56 pmMDT-SEA
9h 56m1 stop
$219Alaska Airlines
Find Deal
Fri, May 31
6:03 pm - 11:59 pmMDT-SEA
8h 56m1 stop
$249Delta
Find Deal
Fri, Jul 12
3:15 pm - 9:23 pmMDT-SEA
9h 08m1 stop
$264United Airlines
Find Deal
Mon, Jun 17
12:44 pm - 6:40 pmMDT-SEA
8h 56m1 stop
$289United Airlines
Find Deal
Mon, Jun 3
4:52 pm - 10:00 pmMDT-SEA
8h 08m1 stop
$296Alaska Airlines
Find Deal
Mon, Jun 3
6:05 am - 12:58 pmMDT-SEA
9h 53m1 stop
11:59 pm - 12:03 pmSEA-MDT
9h 04m1 stop
$358United Airlines
Find Deal
Sun, May 26 - Tue, May 28
3:51 pm - 10:41 pmMDT-SEA
9h 50m1 stop
6:00 am - 6:41 pmSEA-MDT
9h 41m2 stops
$366American Airlines
Find Deal
Sun, May 26 - Tue, May 28
3:00 pm - 10:41 pmMDT-SEA
10h 41m2 stops
6:00 am - 6:41 pmSEA-MDT
9h 41m2 stops
$373American Airlines
Find Deal
Sun, May 26 - Tue, May 28
6:01 pm - 12:21 amMDT-SEA
9h 20m1 stop
6:00 am - 5:11 pmSEA-MDT
8h 11m1 stop
$428Delta
Find Deal
Mon, May 27 - Thu, May 30
6:01 pm - 12:21 amMDT-SEA
9h 20m1 stop
6:10 am - 11:11 pmSEA-MDT
14h 01m2 stops
$433Delta
Find Deal
Mon, May 27 - Thu, May 30
6:20 am - 2:15 pmMDT-SEA
10h 55m2 stops
6:10 am - 11:11 pmSEA-MDT
14h 01m2 stops
$438Delta
Find Deal
Mon, May 27 - Thu, May 30
6:01 pm - 12:21 amMDT-SEA
9h 20m1 stop
12:40 am - 5:11 pmSEA-MDT
13h 31m2 stops
$783Delta
Find Deal
Mon, May 27 - Wed, May 29
6:20 am - 2:15 pmMDT-SEA
10h 55m2 stops
12:40 am - 5:11 pmSEA-MDT
13h 31m2 stops
$788Delta
Find Deal
Mon, May 27 - Wed, May 29
3:51 pm - 10:41 pmMDT-SEA
9h 50m1 stop
1:15 am - 5:21 pmSEA-MDT
13h 06m2 stops
$880American Airlines
Find Deal
Sun, May 26 - Mon, May 27
9:54 am - 8:10 amMDT-SEA
25h 16m3 stops
9:35 am - 8:20 pmSEA-MDT
31h 45m3 stops
Mon, May 27 - Thu, May 30

Flights from Harrisburg to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Harrisburg to Seattle 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 Harrisburg to Seattle?

The average price of all flights from Harrisburg to Seattle clicked on KAYAK for each day over the last 12 months.
For Harrisburg to Seattle, Wednesday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from Seattle back to Harrisburg, the best deals are generally found on Tuesday, with Saturday being the most expensive.

What is the cheapest month to fly from Harrisburg to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Harrisburg to Seattle, 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 Harrisburg to Seattle is November, where tickets cost $297 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $730 and $699 respectively.

How far in advance should I book a flight from Harrisburg to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Harrisburg to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Harrisburg to Seattle, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 54 days before departure.

Which airlines provide the cheapest flights from Harrisburg to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Harrisburg to Seattle were found on American Airlines ($277) and Delta ($360). American Airlines proposed the cheapest one-way flight at $139.

Good to know

Low season

January

High season

July

Cheapest flight

$137
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 41% increase in price.
Flight from Harrisburg to Seattle

When to book flights from Harrisburg to Seattle

Are your dates flexible? Find out the best times to travel from Harrisburg to Seattle 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 flights from Harrisburg to Seattle

  • What is the cheapest flight from Harrisburg to Seattle?

    In the last 3 days, the lowest price for a flight from Harrisburg to Seattle was $137 for a one-way ticket and $277 for a round-trip.

  • Do I need a passport to fly between Harrisburg and Seattle?

    A passport is not required to fly from Harrisburg to Seattle.

  • Which airports will I be using when flying from Harrisburg to Seattle?

    On your way to Seattle, you’ll fly out from Harrisburg. You’ll be landing at Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Harrisburg to Seattle?

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

  • Which airline alliances offer flights from Harrisburg to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Harrisburg and Seattle, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Harrisburg to Seattle, Delta or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Harrisburg to Seattle are Delta and Alaska Airlines. With an average price for the route of $551 and an overall rating of 8.0, Delta is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $816 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Harrisburg to Seattle?

    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 Harrisburg to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Harrisburg to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Harrisburg 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 Harrisburg to Seattle?

    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 Seattle with an airline and back to Harrisburg with another airline. Booking your flights between Harrisburg and SEA 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 Harrisburg to Seattle?

    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 Seattle from Harrisburg up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 4 airlines serving from Harrisburg to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Harrisburg to Seattle. 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 Harrisburg to Seattle? 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.
8.0
Alaska AirlinesOverall score based on 9175 reviews
8.6Crew
7.3Entertainment
8.2Boarding
7.9Comfort
7.3Food
Airline reviews

I got to my destination but no comforts no snacks nothing. Like herding cows!!

2.0 Mediocrejamey, May 2024IND - SEA
Read more about Alaska Airlines reviews

I got to my destination but no comforts no snacks nothing. Like herding cows!!

My only comment was the confusion at Houston. Suppose to leave at 6 am and didn't leave til 11 am. Then moving from gate 10 to 30 and couple of hours later back to gate 10. Otherwise everyone everything was great.

The food options could be better. Possibly some sandwiches to be added to the menu.

There was a medical emergency on board the crew handled it very professionally and the ambulance crew as well. I am very impressed. Thank you Clyde Barron 31 D

Checking in was very easy. Boarding and the flights went smoothly.

I have never flown Alaska Airlines before & would recommend them to anyone& will use again

Not a good experience, we were delayed by an hour due to maintenance issues.

After upgrading and paying for seat I was bumped from my seat. When I went to ask why she said I wasn’t assigned a seat because the ticket I purchased. After kindly explaining to her I upgraded the night before and paid for that seat she said how I was wrong and that something must have happened. I showed her my receipt and she still said there was an error. This is why I only fly delta. The flight attendant was rude as well but I don’t want to waste anymore time talking about how poor Alaska is. Delta here I come!

Ashley - the flight attendant from OMA to SEA - was phenomenal. I was traveling alone with my 4 month old and she made every accommodation possible and went out of her way to make sure my experience was as comfortable as possible. Give this woman a massive raise!

boarding was easy and the 737 Max was comfortable and roomy but that was the only good.. there was a child screaming at the top of his lungs for the entire loading, taxiing and part of the flight and no one in the crew said anything or offered any assistance.

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

This flight landed early, but deplaned late. We were stuck sitting and waiting for a gate for over an hour

My flight was very clean and the location was comfortable. The service was great. A satisfying flight!

I appreciated being upgraded. I was very disappointed with my 13 hr layover in Seattle to geg, while my friends who flew Alaska made it home as scheduled. I had to reserve a hotel on my dime.

Fantastic. Smooth boarding with an infant. Never experienced it with any other carriers.

This was a Lufthansa flight, not United. The CSA at the counter, Ashley, was not only incompetent, but quite rude. Me and two other PAX waited over 7 minutes standing in front of her and another CSA and they ignored us. We joked that we must have accidently taken invisibility pills. She could have at least said "I'll be with you in a moment, I'm currently....". I could go on about how rude she and the other CSAs were (whispering, not communicating with me, blaming the situation on others, etc.). She would not work for me. Then, she gave me literally the worst seat on the plane. the worst. My seat kept getting bumped (rammed twice by the crew with their carts and about every 5 minutes by someone using the bathroom), listening to the bathroom all night, crowded seat, etc.

My seat was broken. WiFi didn’t work. Gate crew at HOU were rude and condescending. Treated all the passengers badly. Bad experience, United.

First flight of the day… MINIMUM FUEL! 15 minute landing delay at HOU due to fog turned into a 2+ hour delay! Rather than circle, they had to divert to another city to refuel! Sat on tarmac at Austin to refuel. We ALL missed our connections! The crew, including pilots, were clueless. Crew was really a mess. At HOU, Untied employees were exceedingly rude to all. It was pitiful.

An hour and a half late is UNACCEPTABLE. The negative impact to our family is unconscionable. And for the price we were forced to pay...

No lounge access with “United First” ticket. False alarm about late flight, jeopardizing connection. Wrong meal. Loose power socket would not hold plug, could not charge device. In-flight access to text messaging did not work. Toilet seat on plane would not stay up.

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Check in etc was very good. As for on the plane, it was like flying in a freezer. It was so cold, i have flown for years and never been so cold on a plane. Staff on board said its always cold when flying which is a load of rubbish. They wouldnt put any heating on and now i have the flu because of this .

I’ve had a couple flights this week on United that were delayed by an hour or more

Surprisingly easy! I was hesitant to try this, but the cost swayed me. I actually felt like I had less stress than all the taxiing and possible delays that occur with short regional flights where you spend less time in the air than getting to and from the plane..

Attendants were rude. Scowling. Seats were miserable and we paid extra.

Not being able to purchase my check in baggage online was a negative.

LATE LATE LATE!!! Plagued by late AA flights on this trip. Such a drag. This one was by far the worst.

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

It was a good flight. Of course it was full, but it went well.

Same basket of unhealthy prepackaged snacks (junk food) which was depleted by the time it got to my row!!

I had trouble finding a boarding pass because I had an hour between Flights and American did not see my flight I believe because I was ticketed through KAYAK. I did not have enough time to go to the desk before boarding so I went to the desk and told them while I was boarding and they had a boarding pass for me within three minutes. Nice. I paid extra to have more legroom and it is definitely worth it for a six hour flight. I would’ve paid for a decent dinner, but they didn’t offer anything but a snack box —not good for six hours.

We experience delays on departure and connecting flights resulting in 14 hour to our next departure. We were accommodated with a night's stay but was only provided a 12 dollar meals accommodation. The airlines rules state.at least 50 dollars. In any case, it can not make up for the whole day missed on our vacation in Sydney Australia.

Flight from PHL to PHX arrived 50 minutes early and a gate was available. First class flight attendant Stephanie was very friendly and polite. Sanitizing wipes should be provided with meals in addition to refresher towels.

flight delayed so missed connection and this had to rebook for next day

Book cheap flights from Harrisburg to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Harrisburg to Seattle found on KAYAK in the last 72 hours.
6/17Mon
2 stops
25h 54mMDT-SEA
$137
8/17Sat
1 stopAmerican Airlines
8h 12mMDT-SEA
$139
5/30Thu
1 stopDelta
9h 20mMDT-SEA
$148
9/27Fri
2 stops
20h 20mMDT-SEA
$150
6/17Mon
2 stops
25h 54mMDT-SEA
$168
5/31Fri
1 stopAlaska Airlines
9h 56mMDT-SEA
$219
7/12Fri
1 stopDelta
8h 56mMDT-SEA
$249
6/17Mon
1 stopUnited Airlines
9h 08mMDT-SEA
$264
6/3Mon
1 stopUnited Airlines
8h 56mMDT-SEA
$289
6/3Mon
1 stopAlaska Airlines
8h 08mMDT-SEA
$296

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Last minute flights from Harrisburg to Seattle

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 Harrisburg to Seattle that are departing in the next 10 days.
5/26Sun
multi-stopUnited Airlines
9h 53mMDT-SEA
5/28Tue
multi-stopUnited Airlines
9h 04mSEA-MDT
$358
5/26Sun
multi-stopAmerican Airlines
9h 50mMDT-SEA
5/28Tue
multi-stopAmerican Airlines
9h 41mSEA-MDT
$366
5/26Sun
multi-stopAmerican Airlines
10h 41mMDT-SEA
5/28Tue
multi-stopAmerican Airlines
9h 41mSEA-MDT
$373
5/27Mon
multi-stopDelta
9h 20mMDT-SEA
5/30Thu
multi-stopDelta
8h 11mSEA-MDT
$428
5/27Mon
multi-stopDelta
9h 20mMDT-SEA
5/30Thu
multi-stopDelta
14h 01mSEA-MDT
$433
5/27Mon
multi-stopDelta
10h 55mMDT-SEA
5/30Thu
multi-stopDelta
14h 01mSEA-MDT
$438
5/27Mon
multi-stopDelta
9h 20mMDT-SEA
5/29Wed
multi-stopDelta
13h 31mSEA-MDT
$783
5/27Mon
multi-stopDelta
10h 55mMDT-SEA
5/29Wed
multi-stopDelta
13h 31mSEA-MDT
$788
5/26Sun
multi-stopAmerican Airlines
9h 50mMDT-SEA
5/27Mon
multi-stopAmerican Airlines
13h 06mSEA-MDT
$880
5/27Mon
multi-stop
25h 16mMDT-SEA
5/30Thu
multi-stop
31h 45mSEA-MDT
$901

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Harrisburg - Seattle Flights

Departure:

Harrisburg (MDT)United States

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Harrisburg

Cabin classes: