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Cheap flights from Pittsburgh to Seattle from $89

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 1/9. 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

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 10:42 amPIT-SEA
7h 42m1 stop
Delta Logo
9:55 pm - 11:38 amSEA-PIT
10h 43m1 stop
$197Delta
Find Deal
Tue, Feb 24 - Thu, Feb 26
American Airlines Logo
5:40 pm - 10:20 pmPIT-SEA
7h 40m1 stop
American Airlines Logo
11:12 pm - 12:23 pmSEA-PIT
10h 11m1 stop
$198American Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Delta Logo
5:31 pm - 11:25 pmPIT-SEA
8h 54m1 stop
Delta Logo
9:59 pm - 11:46 amSEA-PIT
10h 47m1 stop
$213Delta
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Tue, Dec 9 - Tue, Dec 16
Delta Logo
3:35 pm - 8:35 pmPIT-SEA
8h 00m1 stop
Delta Logo
9:59 pm - 11:46 amSEA-PIT
10h 47m1 stop
$214Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
Southwest Logo
4:40 pm - 12:55 amPIT-SEA
11h 15m1 stop
Southwest Logo
6:35 am - 3:50 pmSEA-PIT
6h 15m1 stop
$217Southwest
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Fri, Dec 19 - Thu, Dec 25
United Airlines Logo
5:51 pm - 10:28 pmPIT-SEA
7h 37m1 stop
United Airlines Logo
9:25 am - 9:13 pmSEA-PIT
8h 48m1 stop
$222United Airlines
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Tue, Dec 16 - Wed, Dec 17
Southwest Logo
5:50 am - 1:15 pmPIT-SEA
10h 25m1 stop
Southwest Logo
6:05 am - 8:00 pmSEA-PIT
10h 55m2 stops
$224Southwest
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Thu, Jan 8 - Wed, Jan 14
Alaska Airlines Logo
7:31 pm - 10:04 pmPIT-SEA
5h 33mnonstop
Alaska Airlines Logo
11:02 am - 6:35 pmSEA-PIT
4h 33mnonstop
$227Alaska Airlines
Find Deal
Sun, Feb 22 - Wed, Feb 25
Delta Logo
5:26 pm - 11:58 pmPIT-SEA
9h 32m1 stop
Delta Logo
5:25 am - 4:36 pmSEA-PIT
8h 11m1 stop
$228Delta
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Fri, Dec 12 - Tue, Dec 16
Delta Logo
5:31 pm - 11:25 pmPIT-SEA
8h 54m1 stop
Delta Logo
5:25 am - 4:36 pmSEA-PIT
8h 11m1 stop
$231Delta
Find Deal
Tue, Dec 9 - Mon, Dec 15

Delta flights from Pittsburgh to Seattle

Our best Delta deals on Pittsburgh to Seattle flight tickets
Delta
Feb 24
PIT6:00 amPittsburgh
7h 42m
1 stop
SEA10:42 amSeattle/Tacoma Intl
Feb 26
SEA9:55 pmSeattle/Tacoma Intl
10h 43m
1 stop
PIT11:38 amPittsburgh
$197
Find similar
Delta
Dec 9
PIT5:31 pmPittsburgh
8h 54m
1 stop
SEA11:25 pmSeattle/Tacoma Intl
Dec 16
SEA9:59 pmSeattle/Tacoma Intl
10h 47m
1 stop
PIT11:46 amPittsburgh
$213
Find similar
Delta
Dec 9
PIT3:35 pmPittsburgh
8h 00m
1 stop
SEA8:35 pmSeattle/Tacoma Intl
Dec 16
SEA9:59 pmSeattle/Tacoma Intl
10h 47m
1 stop
PIT11:46 amPittsburgh
$214
Find similar

American Airlines flights from Pittsburgh to Seattle

Our best American Airlines deals on Pittsburgh to Seattle flight tickets
American Airlines
Jan 15
PIT5:40 pmPittsburgh
7h 40m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Jan 19
SEA11:12 pmSeattle/Tacoma Intl
10h 11m
1 stop
PIT12:23 pmPittsburgh
$198
Find similar
American Airlines
Dec 6
PIT7:00 amPittsburgh
10h 05m
1 stop
SEA2:05 pmSeattle/Tacoma Intl
Dec 11
SEA12:38 amSeattle/Tacoma Intl
8h 00m
1 stop
PIT11:38 amPittsburgh
$307
Find similar
American Airlines
Dec 9
PIT6:33 amPittsburgh
9h 33m
1 stop
SEA1:06 pmSeattle/Tacoma Intl
Dec 16
SEA7:15 amSeattle/Tacoma Intl
12h 52m
2 stops
PIT11:07 pmPittsburgh
$310
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 26, 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

Tue 2/24

6:00 am-10:42 am

1 stop7h 42m

Seattle/Tacoma Intl

Thu 2/26

9:55 pm-11:38 am

1 stop10h 43m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 1/15

5:40 pm-10:20 pm

1 stop7h 40m

Seattle/Tacoma Intl

Mon 1/19

11:12 pm-12:23 pm

1 stop10h 11m

$198

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 12/9

5:31 pm-11:25 pm

1 stop8h 54m

Seattle/Tacoma Intl

Tue 12/16

9:59 pm-11:46 am

1 stop10h 47m

$213

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 12/9

3:35 pm-8:35 pm

1 stop8h 00m

Seattle/Tacoma Intl

Tue 12/16

9:59 pm-11:46 am

1 stop10h 47m

$214

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 12/19

4:40 pm-12:55 am

1 stop11h 15m

Seattle/Tacoma Intl

Thu 12/25

6:35 am-3:50 pm

1 stop6h 15m

$217

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 12/16

5:51 pm-10:28 pm

1 stop7h 37m

Seattle/Tacoma Intl

Wed 12/17

9:25 am-9:13 pm

1 stop8h 48m

$222

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 1/8

5:50 am-1:15 pm

1 stop10h 25m

Seattle/Tacoma Intl

Wed 1/14

6:05 am-8:00 pm

2 stops10h 55m

$224

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sun 2/22

7:31 pm-10:04 pm

Nonstop5h 33m

Seattle/Tacoma Intl

Wed 2/25

11:02 am-6:35 pm

Nonstop4h 33m

$227

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 12/12

5:26 pm-11:58 pm

1 stop9h 32m

Seattle/Tacoma Intl

Tue 12/16

5:25 am-4:36 pm

1 stop8h 11m

$228

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 12/9

5:31 pm-11:25 pm

1 stop8h 54m

Seattle/Tacoma Intl

Mon 12/15

5:25 am-4:36 pm

1 stop8h 11m

$231

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 cheapest month to fly to Seattle?

In general, January 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 $287. If you don’t want to visit Seattle in January, then you should wait until October to fly from Pittsburgh, when ticket prices are also cheap, with an average price of $295.

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 $364 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 $333 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 20% 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 2% more expensive 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

$228

Fastest flight time

5h 22m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pittsburgh in the past 72 hours is $228. The best round-trip flight deal from Pittsburgh to Seattle found on momondo in the last 72 hours is $308.
The fastest flight from Pittsburgh to Seattle takes 5h 22m
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 33m, 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
3,101 reviews
Search Frontier flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
DeltaPriceFrom $193Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $235Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,047 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $249Free CancellationRating
8.0
11,358 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 1 Alaska Airlines flight 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 2,815 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
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Lakewood
Federal Way
Fife
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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