Seattle

$116+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
Jul 7 — Jul 141
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Cheapflights Tip: The best prices from Pittsburgh to Seattle/Tacoma Intl are usually found in January or February, booked 86 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap 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 July 2, 2025.

Round-trip from

$223
(Southwest)

One-way from

$116
(Priceline)

Popular in

December

Cheapest in

January

Average price

$428

Good round-trip deal

$362 or less

Good one-way deal

$208 or less
From Pittsburgh to Seattle/Tacoma Intl
One-way flight from Pittsburgh to Seattle/Tacoma Intl
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Pittsburgh to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Pittsburgh to Seattle/Tacoma Intl.

Find 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 July 2, 2025.

This Southwest deal was found by Cheapflights users on 6/30. 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.
Sat 8/27:05 pmPIT - SEA
1 stop8h 25mSouthwest
Sat 8/168:10 amSEA - PIT
1 stop9h 10mSouthwest
Deal found 6/30$223
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 8/215:07 pmPIT - SEA
1 stop9h 34mAmerican Airlines
Fri 8/2212:46 amSEA - PIT
1 stop8h 04mAmerican Airlines
Deal found 6/30$226
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:40 pmPIT - SEA
1 stop9h 54mFrontier
Mon 7/286:25 amSEA - PIT
1 stop7h 20mFrontier
Deal found 6/29$229
This Delta deal was found by Cheapflights users on 7/2. 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.
Sat 8/235:40 pmPIT - SEA
1 stop8h 52mDelta
Sun 8/315:30 amSEA - PIT
1 stop8h 05mDelta
Deal found 7/2$237
This CheapOair deal was found by Cheapflights users on 7/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:15 pmPIT - SEA
1 stop24h 10mSpirit Airlines
Thu 8/75:30 pmSEA - PIT
1 stop21h 40mSpirit Airlines
Deal found 7/1$253
This Hawaiian Airlines deal was found by Cheapflights users on 7/2. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:42 pmPIT - SEA
Nonstop5h 12mHawaiian Airlines
Tue 8/2611:10 pmSEA - PIT
Nonstop4h 38mHawaiian Airlines
Deal found 7/2$257
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/168:05 pmPIT - SEA
1 stop7h 51mUnited Airlines
Fri 7/1811:20 pmSEA - PIT
1 stop7h 19mUnited Airlines
Deal found 7/2$262
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:15 pmPIT - SEA
1 stop24h 10mMultiple Airlines
Mon 8/186:25 amSEA - PIT
1 stop7h 20mMultiple Airlines
Deal found 7/1$285
This JetBlue deal was found by Cheapflights users on 7/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:43 pmPIT - SEA
1 stop12h 21mJetBlue
Sat 7/269:13 pmSEA - PIT
1 stop8h 50mJetBlue
Deal found 7/1$293
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:42 pmPIT - SEA
Nonstop5h 12mAlaska Airlines
Mon 8/2511:10 pmSEA - PIT
Nonstop4h 38mAlaska Airlines
Deal found 6/29$297

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 July 2, 2025.
Use the filters below to find and compare flights from Pittsburgh to Seattle that are best for you.

Fly from

Pittsburgh

Fly to

Seattle

Route

Depart

Return

Price

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 8/2

7:05 pm-12:30 am

1 stop8h 25m

Seattle/Tacoma Intl

Sat 8/16

8:10 am-8:20 pm

1 stop9h 10m

$223

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 8/21

5:07 pm-11:41 pm

1 stop9h 34m

Seattle/Tacoma Intl

Fri 8/22

12:46 am-11:50 am

1 stop8h 04m

$226

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 7/21

5:40 pm-12:34 am

1 stop9h 54m

Seattle/Tacoma Intl

Mon 7/28

6:25 am-4:45 pm

1 stop7h 20m

$229

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 8/23

5:40 pm-11:32 pm

1 stop8h 52m

Seattle/Tacoma Intl

Sun 8/31

5:30 am-4:35 pm

1 stop8h 05m

$237

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 7/31

7:15 pm-4:25 pm

1 stop24h 10m

Seattle/Tacoma Intl

Thu 8/7

5:30 pm-6:10 pm

1 stop21h 40m

$253

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 8/23

7:42 pm-9:54 pm

Nonstop5h 12m

Seattle/Tacoma Intl

Tue 8/26

11:10 pm-6:48 am

Nonstop4h 38m

$257

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 7/16

8:05 pm-12:56 am

1 stop7h 51m

Seattle/Tacoma Intl

Fri 7/18

11:20 pm-9:39 am

1 stop7h 19m

$262

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 8/8

7:15 pm-4:25 pm

1 stop24h 10m

Seattle/Tacoma Intl

Mon 8/18

6:25 am-4:45 pm

1 stop7h 20m

$285

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 7/23

12:43 pm-10:04 pm

1 stop12h 21m

Seattle/Tacoma Intl

Sat 7/26

9:13 pm-9:03 am

1 stop8h 50m

$293

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 8/22

7:42 pm-9:54 pm

Nonstop5h 12m

Seattle/Tacoma Intl

Sun 8/31

11:10 pm-6:48 am

Nonstop4h 38m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 20 results
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The best insider tips for Pittsburgh to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to Seattle trip
Airports
PIT

Arrive early at PIT due to construction and potential security delays. Check the live security time tracker for shorter wait times.

Read more about PITby John Walton
SEA

Take the Link light rail from SEA to downtown Seattle for an affordable and convenient option. It runs every 10 minutes and takes less than 40 minutes.

Read more about SEAby Brandon Schultz
Our travel experts
John Walton

John Walton

Expert on PIT

John Walton

John Walton

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

Brandon Schultz

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

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 June 27, 2025.

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, January is the cheapest month in which you can book a flight from Pittsburgh to Seattle (average of $238). Flying from Pittsburgh to Seattle in July is currently the most expensive (average of $390). 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 July 2, 2025.

It’s typically best to fly out from Pittsburgh to Seattle at noon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Pittsburgh to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to Seattle. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Pittsburgh to Seattle flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 2, 2025.
Read through reviews of airlines operating flights from Pittsburgh to Seattle, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.
  • What airports do I use to fly from Pittsburgh to Seattle?

    If you book a flight from Pittsburgh to Seattle, you will be flying from Pittsburgh to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Pittsburgh (PIT) take 5h 12m for a nonstop flight. There are 2 flights from Pittsburgh to Seattle per day from 7 airlines.

  • How popular is this Pittsburgh to Seattle flight route?

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

    According to our current data, Southwest ($223), American Airlines ($226), and Frontier ($229) offers the cheapest pricing from Pittsburgh to Seattle. Southwest is priced at 39% 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 Frontier, with whom users have recently found tickets for as low as $116. 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 most reliable airlines from Pittsburgh to Seattle?

    No one likes to see their flight delayed. When booking a flight from Pittsburgh to Seattle consider choosing Finnair (90%), Alaska Airlines (73%) or Hawaiian Airlines (72%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Pittsburgh to Seattle?

    Looking at all options, your cheapest flight can be booked for $149. While the most popular route (Pittsburgh - Seattle/Tacoma Intl) can be booked for $195 on average our data indicates $1,277 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, January is the cheapest month in which you can book a flight from Pittsburgh to Seattle (average of $238). Flying from Pittsburgh to Seattle in July is currently the most expensive (average of $390). 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 Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pittsburgh to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$294FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$405FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$218Average$336FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$346FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$240Average$429FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$419FlexibilityNo cancel feeOn-time75%

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