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Cheap flights from Pittsburgh to Seattle from $121

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 5/16. 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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Find the cheapest flights from Pittsburgh to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Pittsburgh to Seattle.
Spirit Airlines Logo
6:01 pm - 12:10 amPIT-SEA
9h 09m1 stop
Spirit Airlines Logo
6:00 am - 5:06 pmSEA-PIT
8h 06m1 stop
$238Spirit Airlines
Find Deal
Fri, May 16 - Mon, May 19
Spirit Airlines Logo
9:55 am - 7:51 pmPIT-SEA
12h 56m1 stop
Spirit Airlines Logo
12:30 pm - 5:45 amSEA-PIT
14h 15m1 stop
$239Spirit Airlines
Find Deal
Fri, May 2 - Mon, May 5
United Airlines Logo
2:10 pm - 6:53 pmPIT-SEA
7h 43m1 stop
United Airlines Logo
7:00 am - 4:56 pmSEA-PIT
6h 56m1 stop
$242United Airlines
Find Deal
Wed, May 28 - Wed, Jun 4
Alaska Airlines Logo
7:44 pm - 10:00 pmPIT-SEA
5h 16mnonstop
Alaska Airlines Logo
11:05 pm - 6:45 amSEA-PIT
4h 40mnonstop
$247Alaska Airlines
Find Deal
Thu, May 29 - Wed, Jun 4
Delta Logo
6:25 am - 10:45 amPIT-SEA
7h 20m1 stop
Delta Logo
5:30 am - 4:44 pmSEA-PIT
8h 14m1 stop
$249Delta
Find Deal
Sat, Apr 19 - Wed, Apr 23
United Airlines Logo
6:03 pm - 10:43 pmPIT-SEA
7h 40m1 stop
United Airlines Logo
10:50 am - 11:21 pmSEA-PIT
9h 31m2 stops
$252United Airlines
Find Deal
Mon, Apr 28 - Tue, Apr 29
Alaska Airlines Logo
7:44 pm - 10:00 pmPIT-SEA
5h 16mnonstop
Alaska Airlines Logo
11:05 pm - 6:45 amSEA-PIT
4h 40mnonstop
$257Alaska Airlines
Find Deal
Thu, May 29 - Fri, Jun 6
Delta Logo
5:39 pm - 12:02 amPIT-SEA
9h 23m1 stop
Delta Logo
10:00 pm - 9:45 amSEA-PIT
8h 45m1 stop
$260Delta
Find Deal
Mon, Apr 21 - Fri, Apr 25
American Airlines Logo
4:15 pm - 11:09 pmPIT-SEA
9h 54m1 stop
American Airlines Logo
6:20 am - 6:57 pmSEA-PIT
9h 37m1 stop
$277American Airlines
Find Deal
Sat, May 24 - Sat, May 31
American Airlines Logo
2:16 pm - 8:40 pmPIT-SEA
9h 24m1 stop
American Airlines Logo
10:46 am - 9:13 pmSEA-PIT
7h 27m1 stop
$283American Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23

Spirit Airlines flights from Pittsburgh to Seattle

Our best Spirit Airlines deals on Pittsburgh to Seattle flight tickets
Spirit Airlines
May 16
PIT6:01 pmPittsburgh
9h 09m
1 stop
SEA12:10 amSeattle/Tacoma Intl
May 19
SEA6:00 amSeattle/Tacoma Intl
8h 06m
1 stop
PIT5:06 pmPittsburgh
Spirit Airlines
May 2
PIT9:55 amPittsburgh
12h 56m
1 stop
SEA7:51 pmSeattle/Tacoma Intl
May 5
SEA12:30 pmSeattle/Tacoma Intl
14h 15m
1 stop
PIT5:45 amPittsburgh
Spirit Airlines
May 2
PIT9:55 amPittsburgh
12h 56m
1 stop
SEA7:51 pmSeattle/Tacoma Intl
May 5
SEA2:30 pmSeattle/Tacoma Intl
35h 09m
3 stops
PIT4:39 amPittsburgh

United Airlines flights from Pittsburgh to Seattle

Our best United Airlines deals on Pittsburgh to Seattle flight tickets
United Airlines
May 28
PIT2:10 pmPittsburgh
7h 43m
1 stop
SEA6:53 pmSeattle/Tacoma Intl
Jun 4
SEA7:00 amSeattle/Tacoma Intl
6h 56m
1 stop
PIT4:56 pmPittsburgh
United Airlines
Apr 28
PIT6:03 pmPittsburgh
7h 40m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
Apr 29
SEA10:50 amSeattle/Tacoma Intl
9h 31m
2 stops
PIT11:21 pmPittsburgh
United Airlines
Jul 15
PIT11:05 amPittsburgh
12h 51m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
Jul 27
SEA12:20 amSeattle/Tacoma Intl
6h 36m
1 stop
PIT9:56 amPittsburgh

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 $302. 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 $310.

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 $575.

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 $523. 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 8 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $384 when searching 8 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 $336 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.

How have Pittsburgh to Seattle flight prices changed over time?

As of April 2025, prices for Pittsburgh to Seattle flights are approximately 14% 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

$121

Fastest flight time

5h 13m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pittsburgh in the past 72 hours is $121. The best round-trip flight deal from Pittsburgh to Seattle found on momondo in the last 72 hours is $238.
The fastest flight from Pittsburgh to Seattle takes 5h 13m
Direct flights go from Pittsburgh to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • 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 13m, 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 $83Free CancellationRating
5.9
3,277 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $164Free CancellationRating
6.3
7,890 reviews
Search Spirit Airlines flights
DeltaPriceFrom $210Free CancellationRating
8.0
7,897 reviews
Search Delta flights
American AirlinesPriceFrom $212Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $233Free CancellationRating
7.9
2,347 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
9,836 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From Pittsburgh to Seattle

    Alaska Airlines flight deals from Pittsburgh to Seattle start from $256 round-trip. Over the 1 Alaska Airlines flight for this route in a normal week, average airfare is usually $432 round-trip - but some users have found much cheaper deals with momondo.

  • Hawaiian Airlines Flights From Pittsburgh to Seattle

    Across 2,347 Hawaiian Airlines reviews on momondo, the average score is 7.9/10. Hawaiian Airlines flies from Pittsburgh to Seattle about 8 times each week, with ticket deals ranging from $233 to $396. 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
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

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.


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1 adult
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Wed 4/9
Wed 4/16

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