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$90+ Cheap flights from Pittsburgh to Seattle (PIT - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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Find cheap flights from Pittsburgh to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Pittsburgh to Seattle/Tacoma Intl are usually found in February or October, booked 76 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Pittsburgh to Seattle

Cheapest flights from Pittsburgh to Seattle
Explore the most affordable flight options available from Pittsburgh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.

This Southwest deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:20 pm
PIT
-
SEA
2 stops10h 50m
Southwest
Fri 5/810:55 am
SEA
-
PIT
2 stops10h 10m
Southwest
Deal found 3/2$189
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:59 pm
PIT
-
SEA
1 stop7h 49m
Delta
Mon 6/811:53 pm
SEA
-
PIT
1 stop7h 11m
Delta
Deal found 3/1$197
This Southwest deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:20 pm
PIT
-
SEA
1 stop7h 35m
Southwest
Wed 4/811:45 pm
SEA
-
PIT
1 stop7h 15m
Southwest
Deal found 3/4$199
This Southwest deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:20 pm
PIT
-
SEA
2 stops10h 50m
Southwest
Wed 5/69:20 am
SEA
-
PIT
1 stop10h 35m
Southwest
Deal found 3/4$204
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:19 am
PIT
-
SEA
1 stop8h 08m
American Airlines
Sat 5/211:55 pm
SEA
-
PIT
1 stop7h 49m
American Airlines
Deal found 3/1$208
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:20 pm
PIT
-
SEA
1 stop7h 35m
Southwest
Sat 3/285:00 am
SEA
-
PIT
1 stop13h 10m
Southwest
Deal found 3/3$213
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:35 pm
PIT
-
SEA
1 stop9h 26m
Delta
Sun 8/305:45 am
SEA
-
PIT
1 stop8h 02m
Delta
Deal found 3/2$217
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:05 pm
PIT
-
SEA
1 stop8h 19m
American Airlines
Wed 4/110:57 pm
SEA
-
PIT
1 stop8h 17m
American Airlines
Deal found 3/1$218
This American Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:12 pm
PIT
-
SEA
1 stop8h 24m
American Airlines
Tue 8/115:24 am
SEA
-
PIT
1 stop10h 26m
American Airlines
Deal found 2/28$219
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:20 pm
PIT
-
SEA
1 stop7h 35m
Southwest
Tue 3/3111:55 pm
SEA
-
PIT
2 stops8h 40m
Southwest
Deal found 3/3$223
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:25 pm
PIT
-
SEA
2 stops12h 05m
Southwest
Tue 4/1411:45 pm
SEA
-
PIT
1 stop7h 30m
Southwest
Deal found 3/1$224
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:00 pm
PIT
-
SEA
1 stop7h 05m
Southwest
Mon 5/1811:55 pm
SEA
-
PIT
1 stop7h 20m
Southwest
Deal found 2/28$231

Find flight deals from Pittsburgh to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(Southwest)

One-way from

$90
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$337

Good round-trip deal

$326 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Pittsburgh-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-Seattle/Tacoma Intl flights.
Search Deals
From Pittsburgh to Seattle/Tacoma Intl
Search Deals
One-way flight from Pittsburgh to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Pittsburgh to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Pittsburgh to Seattle/Tacoma Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 4, 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

Wed 6/17

5:35 pm-12:01 am

1 stop9h 26m

Seattle/Tacoma Intl

Wed 6/24

11:53 pm-10:04 am

1 stop7h 11m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 4/28

4:20 pm-12:10 am

2 stops10h 50m

Seattle/Tacoma Intl

Wed 5/6

9:20 am-10:55 pm

1 stop10h 35m

$204

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 5/16

5:05 pm-11:00 pm

1 stop8h 55m

Seattle/Tacoma Intl

Mon 5/18

11:55 pm-10:15 am

1 stop7h 20m

$242

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 8/28

5:35 pm-12:01 am

1 stop9h 26m

Seattle/Tacoma Intl

Sat 9/5

11:53 pm-10:04 am

1 stop7h 11m

$258

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 6/23

7:24 pm-11:59 pm

1 stop7h 35m

Seattle/Tacoma Intl

Tue 6/30

7:00 am-5:05 pm

1 stop7h 05m

$259

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 7/20

5:35 pm-12:01 am

1 stop9h 26m

Seattle/Tacoma Intl

Wed 7/29

11:53 pm-10:04 am

1 stop7h 11m

$288

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sun 8/30

8:03 am-10:25 am

Nonstop5h 22m

Seattle/Tacoma Intl

Tue 9/8

11:10 pm-6:45 am

Nonstop4h 35m

$297

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 7/20

6:11 pm-10:39 pm

1 stop7h 28m

Seattle/Tacoma Intl

Wed 7/29

5:00 am-3:16 pm

1 stop7h 16m

$318

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 5/30

5:40 pm-10:03 pm

1 stop7h 23m

Seattle/Tacoma Intl

Thu 6/4

9:35 pm-9:02 am

1 stop8h 27m

$348

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 5/11

1:35 pm-11:30 pm

2 stops12h 55m

Seattle/Tacoma Intl

Sat 5/16

9:00 am-11:25 pm

2 stops11h 25m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Pittsburgh to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pittsburgh to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Pittsburgh-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pittsburgh-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pittsburgh to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Pittsburgh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Seattle

How far ahead should I book a flight from Pittsburgh to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Seattle. Price data was last updated on February 27, 2026.

The price you pay for your flight from Pittsburgh to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Pittsburgh to Seattle?

Currently, February is the cheapest month in which you can book a flight from Pittsburgh to Seattle (average of $167). Flying from Pittsburgh to Seattle in September is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PIT to SEA?

Find hourly flight availability from Pittsburgh to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 4, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pittsburgh to Seattle as you normally would.

The best insider tips for Pittsburgh to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to Seattle trip
Our travel experts
John Walton

John Walton

Expert on PIT

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated March 4, 2026.
Read through reviews of airlines operating flights from Pittsburgh to Seattle, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,982 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,982 reviews
Alaska Airlines
8.0
Very good
11,982 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,245 reviews
Alaska Airlines
8.0
Very good
11,982 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,836 reviews
Alaska Airlines
8.0
Very good
11,982 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,382 reviews
Alaska Airlines
8.0
Very good
11,982 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.1
Good
11,379 reviews
Alaska Airlines
8.0
Very good
11,982 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Pittsburgh to Seattle flight route?

    This flight path from Pittsburgh to Seattle/Tacoma Intl was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Pittsburgh to Seattle?

    Delta, Southwest, and United Airlines can get you from Pittsburgh to Seattle in just under 7h 35m. Your travel time can differ by up to 3h 15m. Airlines will cover a distance of 2117 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Pittsburgh to Seattle round-trip?

    According to our current data, Frontier ($99), Delta ($125), and Southwest ($157) offers the cheapest pricing from Pittsburgh to Seattle. Frontier is priced at 70% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Pittsburgh to Seattle one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Pittsburgh to Seattle for a low price.

  • What are the cheapest flights from Pittsburgh to Seattle?

    Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Pittsburgh - Seattle/Tacoma Intl) can be booked for $179 on average, our data indicates $862 when flying from Pittsburgh to Seattle.

  • Can I find deals for flights from Pittsburgh to Seattle that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Seattle.

  • Can I find deals for business class flights from Pittsburgh to Seattle?

    Yes. Cheapflights offers flight deals from Pittsburgh to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pittsburgh to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Pittsburgh to Seattle (average of $167). Flying from Pittsburgh to Seattle in September is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Pittsburgh to Seattle

Discover the top 7 airlines that operate flights from Pittsburgh to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$161FlexibilityNo cancel feeOn-time62%
DeltaCheapest$125Average$247FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$362FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$178Average$283FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$183Average$409FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$205Average$388FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$221Average$336FlexibilityNo cancel feeOn-time69%

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