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Cheap flights from Pittsburgh to Seattle from $90

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 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

American Airlines Logo
5:37 am - 11:03 amPIT-SEA
8h 26m1 stop
American Airlines Logo
12:03 pm - 10:53 pmSEA-PIT
7h 50m1 stop
$179American Airlines
Find Deal
mié., oct. 15 - mié., oct. 22
American Airlines Logo
4:49 pm - 10:56 pmPIT-SEA
9h 07m1 stop
American Airlines Logo
10:39 am - 11:19 pmSEA-PIT
9h 40m1 stop
$184American Airlines
Find Deal
sáb., oct. 11 - mar., oct. 21
American Airlines Logo
7:55 am - 1:59 pmPIT-SEA
9h 04m1 stop
American Airlines Logo
12:03 pm - 10:53 pmSEA-PIT
7h 50m1 stop
$195American Airlines
Find Deal
mié., oct. 1 - mié., oct. 22
Delta Logo
6:20 am - 10:45 amPIT-SEA
7h 25m1 stop
Delta Logo
9:55 pm - 10:34 amSEA-PIT
9h 39m1 stop
$197Delta
Find Deal
sáb., oct. 18 - lun., oct. 27
Delta Logo
7:40 pm - 11:43 pmPIT-SEA
7h 03m1 stop
Delta Logo
11:55 pm - 10:22 amSEA-PIT
7h 27m1 stop
$211Delta
Find Deal
jue., oct. 2 - lun., oct. 6
Hawaiian Airlines Logo
7:28 pm - 10:07 pmPIT-SEA
5h 39mnonstop
Hawaiian Airlines Logo
10:54 am - 6:32 pmSEA-PIT
4h 38mnonstop
$232Hawaiian Airlines
Find Deal
mié., oct. 29 - mié., nov. 5
Hawaiian Airlines Logo
7:28 pm - 10:07 pmPIT-SEA
5h 39mnonstop
Hawaiian Airlines Logo
10:54 am - 6:32 pmSEA-PIT
4h 38mnonstop
$233Hawaiian Airlines
Find Deal
mié., oct. 29 - mié., nov. 5
Alaska Airlines Logo
7:28 pm - 10:07 pmPIT-SEA
5h 39mnonstop
Alaska Airlines Logo
10:54 am - 6:32 pmSEA-PIT
4h 38mnonstop
$237Alaska Airlines
Find Deal
mié., oct. 29 - mié., nov. 5
United Airlines Logo
4:05 pm - 10:30 pmPIT-SEA
9h 25m1 stop
United Airlines Logo
5:31 pm - 5:10 amSEA-PIT
8h 39m1 stop
$267United Airlines
Find Deal
lun., oct. 6 - vie., oct. 10
United Airlines Logo
6:19 am - 12:02 pmPIT-SEA
8h 43m1 stop
United Airlines Logo
5:00 am - 3:14 pmSEA-PIT
7h 14m1 stop
$291United Airlines
Find Deal
dom., sep. 28 - dom., oct. 5

Delta flights from Pittsburgh to Seattle

Our best Delta deals on Pittsburgh to Seattle flight tickets
Delta
Oct 18
PIT6:20 amPittsburgh
7h 25m
1 stop
SEA10:45 amSeattle/Tacoma Intl
Oct 27
SEA9:55 pmSeattle/Tacoma Intl
9h 39m
1 stop
PIT10:34 amPittsburgh
$197
Find similar
Delta
Oct 2
PIT7:40 pmPittsburgh
7h 03m
1 stop
SEA11:43 pmSeattle/Tacoma Intl
Oct 6
SEA11:55 pmSeattle/Tacoma Intl
7h 27m
1 stop
PIT10:22 amPittsburgh
$211
Find similar
Delta
Oct 17
PIT6:36 pmPittsburgh
8h 18m
1 stop
SEA11:54 pmSeattle/Tacoma Intl
Oct 21
SEA11:15 pmSeattle/Tacoma Intl
7h 18m
1 stop
PIT9:33 amPittsburgh
$215
Find similar

United Airlines flights from Pittsburgh to Seattle

Our best United Airlines deals on Pittsburgh to Seattle flight tickets
United Airlines
Oct 6
PIT4:05 pmPittsburgh
9h 25m
1 stop
SEA10:30 pmSeattle/Tacoma Intl
Oct 10
SEA5:31 pmSeattle/Tacoma Intl
8h 39m
1 stop
PIT5:10 amPittsburgh
$267
Find similar
United Airlines
Sep 28
PIT6:19 amPittsburgh
8h 43m
1 stop
SEA12:02 pmSeattle/Tacoma Intl
Oct 5
SEA5:00 amSeattle/Tacoma Intl
7h 14m
1 stop
PIT3:14 pmPittsburgh
$291
Find similar
United Airlines
Sep 29
PIT6:19 amPittsburgh
11h 05m
1 stop
SEA2:24 pmSeattle/Tacoma Intl
Oct 3
SEA5:00 amSeattle/Tacoma Intl
8h 39m
1 stop
PIT4:39 pmPittsburgh
$362
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 septiembre 16, 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

mié. 10/15

5:37 am-11:03 am

1 stop8h 26m

Seattle/Tacoma Intl

mié. 10/22

12:03 pm-10:53 pm

1 stop7h 50m

$179

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

sáb. 10/11

4:49 pm-10:56 pm

1 stop9h 07m

Seattle/Tacoma Intl

mar. 10/21

10:39 am-11:19 pm

1 stop9h 40m

$184

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mié. 10/1

7:55 am-1:59 pm

1 stop9h 04m

Seattle/Tacoma Intl

mié. 10/22

12:03 pm-10:53 pm

1 stop7h 50m

$195

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

sáb. 10/18

6:20 am-10:45 am

1 stop7h 25m

Seattle/Tacoma Intl

lun. 10/27

9:55 pm-10:34 am

1 stop9h 39m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

jue. 10/2

7:40 pm-11:43 pm

1 stop7h 03m

Seattle/Tacoma Intl

lun. 10/6

11:55 pm-10:22 am

1 stop7h 27m

$211

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mié. 10/29

7:28 pm-10:07 pm

Nonstop5h 39m

Seattle/Tacoma Intl

mié. 11/5

10:54 am-6:32 pm

Nonstop4h 38m

$232

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mié. 10/29

7:28 pm-10:07 pm

Nonstop5h 39m

Seattle/Tacoma Intl

mié. 11/5

10:54 am-6:32 pm

Nonstop4h 38m

$233

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mié. 10/29

7:28 pm-10:07 pm

Nonstop5h 39m

Seattle/Tacoma Intl

mié. 11/5

10:54 am-6:32 pm

Nonstop4h 38m

$237

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

lun. 10/6

4:05 pm-10:30 pm

1 stop9h 25m

Seattle/Tacoma Intl

vie. 10/10

5:31 pm-5:10 am

1 stop8h 39m

$267

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

dom. 9/28

6:19 am-12:02 pm

1 stop8h 43m

Seattle/Tacoma Intl

dom. 10/5

5:00 am-3:14 pm

1 stop7h 14m

$291

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 $299. 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 $455. 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 $548.

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 $528. 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 $368 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 $334 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 September 2025, prices for Pittsburgh to Seattle flights are approximately 9% 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

$158

Fastest flight time

5h 12m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pittsburgh in the past 72 hours is $158. The best round-trip flight deal from Pittsburgh to Seattle found on momondo in the last 72 hours is $339.
The fastest flight from Pittsburgh to Seattle takes 5h 12m
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 23m, 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
3,174 reviews
Search Frontier flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $194Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $235Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $253Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Pittsburgh to Seattle

    Alaska Airlines flight deals from Pittsburgh to Seattle start from $253 round-trip. Over the 4 Alaska Airlines flights for this route in a normal week, average airfare is usually $420 round-trip - but some users have found much cheaper deals with momondo.

  • Hawaiian Airlines Flights From Pittsburgh to Seattle

    Across 2,724 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Pittsburgh to Seattle about 12 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
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

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.
Start using Trips
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