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Cheap flights from Harrisburg to Seattle from $189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to Seattle departing on 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
4:45 pm - 10:27 pmMDT-SEA
8h 42m1 stop
American Airlines Logo
10:09 am - 11:07 pmSEA-MDT
9h 58m1 stop
$287American Airlines
Find Deal
Wed, Sep 10 - Thu, Sep 18
United Airlines Logo
6:30 am - 3:14 pmMDT-SEA
11h 44m2 stops
United Airlines Logo
7:00 am - 4:52 pmSEA-MDT
6h 52m1 stop
$316United Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
American Airlines Logo
6:25 am - 2:51 pmMDT-SEA
11h 26m1 stop
American Airlines Logo
11:40 am - 11:12 pmSEA-MDT
8h 32m1 stop
$332American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
American Airlines Logo
6:00 am - 12:38 pmMDT-SEA
9h 38m1 stop
American Airlines Logo
10:41 pm - 9:53 amSEA-MDT
8h 12m1 stop
$333American Airlines
Find Deal
Mon, Jun 30 - Fri, Jul 4
American Airlines Logo
1:21 pm - 7:18 pmMDT-SEA
8h 57m1 stop
American Airlines Logo
10:43 pm - 11:40 amSEA-MDT
9h 57m1 stop
$372American Airlines
Find Deal
Tue, Jul 8 - Tue, Jul 15
United Airlines Logo
7:59 pm - 12:56 amMDT-SEA
7h 57m1 stop
United Airlines Logo
11:45 pm - 11:48 amSEA-MDT
9h 03m1 stop
$387United Airlines
Find Deal
Wed, Jul 23 - Tue, Jul 29
Alaska Airlines Logo
6:36 pm - 11:24 pmMDT-SEA
7h 48m1 stop
Alaska Airlines Logo
8:10 am - 11:58 pmSEA-MDT
12h 48m2 stops
$512Alaska Airlines
Find Deal
Fri, Jul 25 - Tue, Jul 29
Delta Logo
6:25 pm - 11:55 pmMDT-SEA
8h 30m1 stop
Delta Logo
7:30 pm - 11:53 amSEA-MDT
13h 23m2 stops
$552Delta
Find Deal
Mon, Jul 21 - Fri, Jul 25
Alaska Airlines Logo
4:40 pm - 10:00 pmMDT-SEA
8h 20m1 stop
Alaska Airlines Logo
12:59 am - 11:01 amSEA-MDT
7h 02m1 stop
$600Alaska Airlines
Find Deal
Wed, Aug 27 - Tue, Sep 2
Delta Logo
12:33 pm - 5:50 pmMDT-SEA
8h 17m1 stop
Delta Logo
11:30 am - 11:58 pmSEA-MDT
9h 28m1 stop
$629Delta
Find Deal
Wed, Jul 2 - Thu, Jul 3

American Airlines flights from Harrisburg to Seattle

Our best American Airlines deals on Harrisburg to Seattle flight tickets
American Airlines
Sep 10
MDT4:45 pmHarrisburg
8h 42m
1 stop
SEA10:27 pmSeattle/Tacoma Intl
Sep 18
SEA10:09 amSeattle/Tacoma Intl
9h 58m
1 stop
MDT11:07 pmHarrisburg
American Airlines
Aug 27
MDT6:25 amHarrisburg
11h 26m
1 stop
SEA2:51 pmSeattle/Tacoma Intl
Sep 3
SEA11:40 amSeattle/Tacoma Intl
8h 32m
1 stop
MDT11:12 pmHarrisburg
American Airlines
Jun 30
MDT6:00 amHarrisburg
9h 38m
1 stop
SEA12:38 pmSeattle/Tacoma Intl
Jul 4
SEA10:41 pmSeattle/Tacoma Intl
8h 12m
1 stop
MDT9:53 amHarrisburg

United Airlines flights from Harrisburg to Seattle

Our best United Airlines deals on Harrisburg to Seattle flight tickets
United Airlines
Aug 27
MDT6:30 amHarrisburg
11h 44m
2 stops
SEA3:14 pmSeattle/Tacoma Intl
Sep 3
SEA7:00 amSeattle/Tacoma Intl
6h 52m
1 stop
MDT4:52 pmHarrisburg
United Airlines
Jul 23
MDT7:59 pmHarrisburg
7h 57m
1 stop
SEA12:56 amSeattle/Tacoma Intl
Jul 29
SEA11:45 pmSeattle/Tacoma Intl
9h 03m
1 stop
MDT11:48 amHarrisburg
United Airlines
Oct 4
MDT10:25 amHarrisburg
8h 27m
1 stop
SEA3:52 pmSeattle/Tacoma Intl
Oct 12
SEA7:37 pmSeattle/Tacoma Intl
10h 52m
2 stops
MDT9:29 amHarrisburg

See travel insights to Seattle from

How to get the cheapest flight ticket from Harrisburg to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Harrisburg to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $371. If you don’t want to visit Seattle in February, then you should wait until March to fly from Harrisburg, when ticket prices are also cheap, with an average price of $386.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Harrisburg is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $508. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Harrisburg because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $643.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Harrisburg at noon is the least expensive time of day to depart. momondo users have found prices as low as $454 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $578. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Harrisburg to Seattle/Tacoma Intl flight route?

Fly from Harrisburg to Seattle/Tacoma Intl for the best Harrisburg - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Harrisburg when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $502 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Harrisburg for as low as $391 on momondo.

What cabin class options are available on Harrisburg to Seattle/Tacoma Intl flights?

There are 2 cabin classes available to choose from on Harrisburg to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Harrisburg to Seattle flight prices changed over time?

As of June 2025, prices for Harrisburg to Seattle flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Harrisburg to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harrisburg to Seattle (MDT to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to Seattle

Best Price Found

$189

Fastest flight time

7h 26m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Harrisburg in the past 72 hours is $189. The best round-trip flight deal from Harrisburg to Seattle found on momondo in the last 72 hours is $287.
The fastest flight from Harrisburg to Seattle takes 7h 26m
There are no direct flights from Harrisburg to Seattle. Popular non-direct route for this connection is Harrisburg Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Harrisburg to Seattle/Tacoma Intl by plane?

    The straight-line distance from Harrisburg to Seattle/Tacoma Intl is 2281.5 mi. A reasonable flight in good conditions will take 7h 48m.

  • When did momondo last update prices for flights from Harrisburg Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Harrisburg Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Harrisburg Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Harrisburg Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harrisburg Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Harrisburg to Seattle?


Best airlines flying from Harrisburg to Seattle

Compare and see reviews for airlines that fly from Harrisburg to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $286Free CancellationRating
8.0
7,965 reviews
Search Delta flights
American AirlinesPriceFrom $308Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $327Free CancellationRating
7.4
8,809 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $352Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Federal Way
Kent
Tukwila
Lynnwood
Puyallup
Kirkland
Marysville
Lakewood
Fife
Shoreline
Cle Elum
Centralia
Westport
Redmond

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harrisburg to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Harrisburg to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Harrisburg with this policy.

How can momondo help me find flights from Harrisburg to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Harrisburg. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Harrisburg to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Harrisburg to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
Sun 6/22
Sun 6/29

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