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Cheap flights from Pittsburgh to Seattle from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Seattle departing on 12/6. 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

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American Airlines Logo
11:35 am - 7:12 pmPIT-SEA
10h 37m1 stop
American Airlines Logo
12:38 am - 11:38 amSEA-PIT
8h 00m1 stop
$179American Airlines
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Thu, Dec 11 - Sun, Dec 14
Hawaiian Airlines Logo
7:33 pm - 10:08 pmPIT-SEA
5h 35mnonstop
Hawaiian Airlines Logo
11:01 am - 6:36 pmSEA-PIT
4h 35mnonstop
$182Hawaiian Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
Alaska Airlines Logo
7:33 pm - 10:08 pmPIT-SEA
5h 35mnonstop
Alaska Airlines Logo
11:01 am - 6:36 pmSEA-PIT
4h 35mnonstop
$187Alaska Airlines
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Fri, Dec 5 - Tue, Dec 9
Alaska Airlines Logo
7:33 pm - 10:08 pmPIT-SEA
5h 35mnonstop
Alaska Airlines Logo
11:01 am - 6:36 pmSEA-PIT
4h 35mnonstop
$197Alaska Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Southwest Logo
4:25 pm - 9:00 pmPIT-SEA
7h 35m1 stop
Southwest Logo
5:35 am - 6:25 pmSEA-PIT
9h 50m2 stops
$200Southwest
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Sat, Dec 6 - Sun, Dec 7
Delta Logo
7:05 am - 2:19 pmPIT-SEA
10h 14m1 stop
Delta Logo
11:55 pm - 10:13 amSEA-PIT
7h 18m1 stop
$217Delta
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Wed, Dec 3 - Tue, Dec 9
Delta Logo
5:32 pm - 11:22 pmPIT-SEA
8h 50m1 stop
Delta Logo
6:05 am - 6:32 pmSEA-PIT
9h 27m1 stop
$218Delta
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Wed, Jan 7 - Sun, Jan 11
Southwest Logo
12:35 pm - 10:30 pmPIT-SEA
12h 55m2 stops
Southwest Logo
6:45 am - 3:45 pmSEA-PIT
6h 00m1 stop
$224Southwest
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Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
5:51 pm - 10:28 pmPIT-SEA
7h 37m1 stop
United Airlines Logo
10:40 am - 11:29 pmSEA-PIT
9h 49m2 stops
$232United Airlines
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Wed, Dec 3 - Wed, Dec 10
United Airlines Logo
4:15 pm - 9:15 pmPIT-SEA
8h 00m1 stop
United Airlines Logo
10:58 am - 11:28 pmSEA-PIT
9h 30m2 stops
$237United Airlines
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Fri, Jan 16 - Tue, Jan 20

Alaska Airlines flights from Pittsburgh to Seattle

Our best Alaska Airlines deals on Pittsburgh to Seattle flight tickets
Alaska Airlines
Dec 5
PIT7:33 pmPittsburgh
5h 35m
SEA10:08 pmSeattle/Tacoma Intl
Dec 9
SEA11:01 amSeattle/Tacoma Intl
4h 35m
PIT6:36 pmPittsburgh
$187
Find similar
Alaska Airlines
Dec 5
PIT7:33 pmPittsburgh
5h 35m
SEA10:08 pmSeattle/Tacoma Intl
Dec 7
SEA11:01 amSeattle/Tacoma Intl
4h 35m
PIT6:36 pmPittsburgh
$197
Find similar
Alaska Airlines
Dec 25
PIT7:54 pmPittsburgh
5h 24m
SEA10:18 pmSeattle/Tacoma Intl
Dec 31
SEA11:14 amSeattle/Tacoma Intl
4h 44m
PIT6:58 pmPittsburgh
$257
Find similar

Southwest flights from Pittsburgh to Seattle

Our best Southwest deals on Pittsburgh to Seattle flight tickets
Southwest
Dec 6
PIT4:25 pmPittsburgh
7h 35m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
Dec 7
SEA5:35 amSeattle/Tacoma Intl
9h 50m
2 stops
PIT6:25 pmPittsburgh
$200
Find similar
Southwest
Jan 28
PIT12:35 pmPittsburgh
12h 55m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Feb 4
SEA6:45 amSeattle/Tacoma Intl
6h 00m
1 stop
PIT3:45 pmPittsburgh
$224
Find similar
Southwest
Dec 10
PIT5:30 amPittsburgh
7h 45m
1 stop
SEA10:15 amSeattle/Tacoma Intl
Dec 14
SEA5:35 amSeattle/Tacoma Intl
9h 50m
2 stops
PIT6:25 pmPittsburgh
$235
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Pittsburgh to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 12/11

11:35 am-7:12 pm

1 stop10h 37m

Seattle/Tacoma Intl

Sun 12/14

12:38 am-11:38 am

1 stop8h 00m

$179

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 12/4

7:33 pm-10:08 pm

Nonstop5h 35m

Seattle/Tacoma Intl

Wed 12/10

11:01 am-6:36 pm

Nonstop4h 35m

$182

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 12/5

7:33 pm-10:08 pm

Nonstop5h 35m

Seattle/Tacoma Intl

Tue 12/9

11:01 am-6:36 pm

Nonstop4h 35m

$187

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 12/5

7:33 pm-10:08 pm

Nonstop5h 35m

Seattle/Tacoma Intl

Sun 12/7

11:01 am-6:36 pm

Nonstop4h 35m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 12/6

4:25 pm-9:00 pm

1 stop7h 35m

Seattle/Tacoma Intl

Sun 12/7

5:35 am-6:25 pm

2 stops9h 50m

$200

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 12/3

7:05 am-2:19 pm

1 stop10h 14m

Seattle/Tacoma Intl

Tue 12/9

11:55 pm-10:13 am

1 stop7h 18m

$217

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 1/7

5:32 pm-11:22 pm

1 stop8h 50m

Seattle/Tacoma Intl

Sun 1/11

6:05 am-6:32 pm

1 stop9h 27m

$218

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 1/28

12:35 pm-10:30 pm

2 stops12h 55m

Seattle/Tacoma Intl

Wed 2/4

6:45 am-3:45 pm

1 stop6h 00m

$224

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 12/3

5:51 pm-10:28 pm

1 stop7h 37m

Seattle/Tacoma Intl

Wed 12/10

10:40 am-11:29 pm

2 stops9h 49m

$232

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 1/16

4:15 pm-9:15 pm

1 stop8h 00m

Seattle/Tacoma Intl

Tue 1/20

10:58 am-11:28 pm

2 stops9h 30m

$237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Pittsburgh 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 typical price of a round-trip flight between Pittsburgh and Seattle?

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Pittsburgh to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $297. If you don’t want to visit Seattle in February, then you should wait until January to fly from Pittsburgh, when ticket prices are also cheap, with an average price of $301.

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

On average, the least expensive day to fly to Seattle from Pittsburgh is on a Thursday. momondo users have found tickets for Thursday departures for as low as $453. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Pittsburgh because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $540.

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

Flying to Seattle from Pittsburgh at noon is the least expensive time of day to depart. momondo users have found prices as low as $362 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $537. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from Pittsburgh to Seattle/Tacoma Intl for the best Pittsburgh - 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 Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Pittsburgh for as low as $337 on momondo.

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

There are 4 cabin classes available to choose from on Pittsburgh 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.

Can stopping save me money on Pittsburgh to Seattle flights?

You could potentially save up to 4% on your flight if you consider stops on a Pittsburgh to Seattle flight.

How have Pittsburgh to Seattle flight prices changed over time?

As of November 2025, prices for Pittsburgh to Seattle flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Pittsburgh to Seattle

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

Cheap Pittsburgh to Seattle (PIT to SEA) flight deals and tips

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

Best Price Found

$278

Fastest flight time

5h 14m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pittsburgh in the past 72 hours is $278. The best round-trip flight deal from Pittsburgh to Seattle found on momondo in the last 72 hours is $368.
The fastest flight from Pittsburgh to Seattle takes 5h 14m
Direct flights go from Pittsburgh to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    Pittsburgh and Seattle/Tacoma Intl are 2131.5 mi apart from one another. Flights usually cover this in 5h 24m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Pittsburgh Airport to Seattle/Tacoma Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh 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 you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Pittsburgh to Seattle?

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

Best airlines flying from Pittsburgh to Seattle

Compare and see reviews for airlines that fly from Pittsburgh to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $99Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $193Free CancellationRating
7.9
8,004 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $235Free CancellationRating
7.8
2,800 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,000 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $249Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Pittsburgh to Seattle

    Alaska Airlines flight deals from Pittsburgh to Seattle start from $249 round-trip. Over the 3 Alaska Airlines flights for this route in a normal week, average airfare is usually $421 round-trip - but some users have found much cheaper deals with momondo.

  • Hawaiian Airlines Flights From Pittsburgh to Seattle

    Across 2,800 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Pittsburgh to Seattle about 6 times each week, with ticket deals ranging from $235 to $421. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Seattle?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pittsburgh to Seattle for you.

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

Yes. momondo allows you to filter the results for Pittsburgh to Seattle flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pittsburgh to Seattle.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Pittsburgh and alert you when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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