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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 2/27. 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.
Alaska Airlines Logo
7:31 pm - 10:04 pm
PIT
-
SEA
5h 33mnonstop
Alaska Airlines Logo
11:02 am - 6:35 pm
SEA
-
PIT
4h 33mnonstop
$187Alaska Airlines
mié., feb. 25 - vie., mar. 6
American Airlines Logo
7:09 pm - 12:24 am
PIT
-
SEA
8h 15m
1 stop
American Airlines Logo
7:15 am - 6:07 pm
SEA
-
PIT
7h 52m
1 stop
$193American Airlines
jue., feb. 12 - jue., feb. 19
Delta Logo
7:13 am - 2:50 pm
PIT
-
SEA
10h 37m
1 stop
Delta Logo
11:14 pm - 9:49 am
SEA
-
PIT
7h 35m
1 stop
$197Delta
mar., abr. 21 - dom., abr. 26
American Airlines Logo
7:09 pm - 12:24 am
PIT
-
SEA
8h 15m
1 stop
American Airlines Logo
10:57 pm - 10:14 am
SEA
-
PIT
8h 17m
1 stop
$218American Airlines
vie., feb. 20 - vie., feb. 27
Alaska Airlines Logo
7:31 pm - 10:04 pm
PIT
-
SEA
5h 33mnonstop
Alaska Airlines Logo
11:02 am - 6:35 pm
SEA
-
PIT
4h 33mnonstop
$227Alaska Airlines
mié., feb. 18 - vie., feb. 20
United Airlines Logo
10:28 am - 7:03 pm
PIT
-
SEA
11h 35m
2 stops
United Airlines Logo
11:59 pm - 9:41 am
SEA
-
PIT
6h 42m
1 stop
$232United Airlines
mar., feb. 24 - mié., mar. 4
Southwest Logo
2:25 pm - 12:30 am
PIT
-
SEA
13h 05m
1 stop
Southwest Logo
5:15 am - 3:15 pm
SEA
-
PIT
7h 00m
1 stop
$236Southwest
vie., abr. 3 - vie., abr. 10
Alaska Airlines Logo
7:31 pm - 10:04 pm
PIT
-
SEA
5h 33mnonstop
Alaska Airlines Logo
11:02 am - 6:35 pm
SEA
-
PIT
4h 33mnonstop
$237Alaska Airlines
dom., mar. 1 - vie., mar. 6
American Airlines Logo
11:24 am - 5:45 pm
PIT
-
SEA
9h 21m
1 stop
American Airlines Logo
11:57 pm - 10:44 am
SEA
-
PIT
7h 47m
1 stop
$238American Airlines
jue., ene. 29 - lun., mar. 2
Delta Logo
5:00 pm - 11:15 pm
PIT
-
SEA
9h 15m
1 stop
Delta Logo
6:05 am - 6:32 pm
SEA
-
PIT
9h 27m
1 stop
$239Delta
mié., feb. 4 - mié., feb. 11

United Airlines flights from Pittsburgh to Seattle

Our best United Airlines deals on Pittsburgh to Seattle flight tickets
United Airlines
May 13
PIT4:17 pmPittsburgh
7h 49m
1 stop
SEA9:06 pmSeattle/Tacoma Intl
May 17
SEA11:48 pmSeattle/Tacoma Intl
7h 08m
1 stop
PIT9:56 amPittsburgh
$232
United Airlines
Feb 15
PIT3:00 pmPittsburgh
10h 59m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
Feb 20
SEA11:59 pmSeattle/Tacoma Intl
6h 55m
1 stop
PIT9:54 amPittsburgh
$242
United Airlines
May 27
PIT3:00 pmPittsburgh
8h 10m
1 stop
SEA8:10 pmSeattle/Tacoma Intl
Jun 6
SEA11:20 pmSeattle/Tacoma Intl
7h 16m
1 stop
PIT9:36 amPittsburgh
$257

American Airlines flights from Pittsburgh to Seattle

Our best American Airlines deals on Pittsburgh to Seattle flight tickets
American Airlines
Feb 23
PIT7:09 pmPittsburgh
8h 15m
1 stop
SEA12:24 amSeattle/Tacoma Intl
Mar 2
SEA10:08 pmSeattle/Tacoma Intl
9h 14m
1 stop
PIT10:22 amPittsburgh
$193
American Airlines
Feb 20
PIT7:09 pmPittsburgh
8h 15m
1 stop
SEA12:24 amSeattle/Tacoma Intl
Feb 23
SEA10:08 pmSeattle/Tacoma Intl
9h 14m
1 stop
PIT10:22 amPittsburgh
$218
American Airlines
May 20
PIT7:07 pmPittsburgh
7h 32m
1 stop
SEA11:39 pmSeattle/Tacoma Intl
May 28
SEA9:42 pmSeattle/Tacoma Intl
8h 48m
1 stop
PIT9:30 amPittsburgh
$223

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 enero 21, 2026.
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. 2/25

7:31 pm-10:04 pm

Nonstop5h 33m

Seattle/Tacoma Intl

vie. 3/6

11:02 am-6:35 pm

Nonstop4h 33m

$187

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

jue. 2/12

7:09 pm-12:24 am

1 stop8h 15m

Seattle/Tacoma Intl

jue. 2/19

7:15 am-6:07 pm

1 stop7h 52m

$193

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mar. 4/21

7:13 am-2:50 pm

1 stop10h 37m

Seattle/Tacoma Intl

dom. 4/26

11:14 pm-9:49 am

1 stop7h 35m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

vie. 2/20

7:09 pm-12:24 am

1 stop8h 15m

Seattle/Tacoma Intl

vie. 2/27

10:57 pm-10:14 am

1 stop8h 17m

$218

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mié. 2/18

7:31 pm-10:04 pm

Nonstop5h 33m

Seattle/Tacoma Intl

vie. 2/20

11:02 am-6:35 pm

Nonstop4h 33m

$227

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mar. 2/24

10:28 am-7:03 pm

2 stops11h 35m

Seattle/Tacoma Intl

mié. 3/4

11:59 pm-9:41 am

1 stop6h 42m

$232

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

vie. 4/3

2:25 pm-12:30 am

1 stop13h 05m

Seattle/Tacoma Intl

vie. 4/10

5:15 am-3:15 pm

1 stop7h 00m

$236

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

dom. 3/1

7:31 pm-10:04 pm

Nonstop5h 33m

Seattle/Tacoma Intl

vie. 3/6

11:02 am-6:35 pm

Nonstop4h 33m

$237

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

jue. 1/29

11:24 am-5:45 pm

1 stop9h 21m

Seattle/Tacoma Intl

lun. 3/2

11:57 pm-10:44 am

1 stop7h 47m

$238

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

mié. 2/4

5:00 pm-11:15 pm

1 stop9h 15m

Seattle/Tacoma Intl

mié. 2/11

6:05 am-6:32 pm

1 stop9h 27m

$239

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, 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 $248. If you don’t want to visit Seattle in February, then you should wait until October to fly from Pittsburgh, when ticket prices are also cheap, with an average price of $296.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $429. 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 Pittsburgh because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $536.

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

Flying to Seattle from Pittsburgh in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $417 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $481. 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 $354 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 $335 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 8% 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 January 2026, prices for Pittsburgh to Seattle flights are approximately 12% 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

$313

Fastest flight time

5h 18m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pittsburgh in the past 72 hours is $313. The best round-trip flight deal from Pittsburgh to Seattle found on momondo in the last 72 hours is $275.
The fastest flight from Pittsburgh to Seattle takes 5h 18m
Direct flights go from Pittsburgh to Seattle on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.
There is 1 airport in Seattle. From Pittsburgh there are direct flights to 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 18m, 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
5.7
3,055 reviews
Search Frontier flights
DeltaPriceFrom $123Free CancellationRating
7.9
8,087 reviews
Search Delta flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $183Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
9,188 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $234Free CancellationRating
8.0
11,768 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Pittsburgh to Seattle

    Alaska Airlines flight deals from Pittsburgh to Seattle start from $234 round-trip. Over the 5 Alaska Airlines flights for this route in a normal week, average airfare is usually $409 round-trip - but some users have found much cheaper deals with momondo.

  • Hawaiian Airlines Flights From Pittsburgh to Seattle

    Across 2,829 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Pittsburgh to Seattle about 5 times each week, with ticket deals ranging from $183 to $404. 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
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
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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1 adult
vie. 2/20
vie. 2/27
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