Seattle

$89+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
Mar 13 — Mar 201
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Find cheap flights from Pittsburgh to Seattle with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
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The best prices from Pittsburgh to Seattle/Tacoma Intl are usually found in January or September, booked 79 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

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 March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$240
(CheapOair)

One-way from

$89
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$371

Good round-trip deal

$384 or less

Good one-way deal

$226 or less
Provider with most accurate pricing for Pittsburgh-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Pittsburgh-Seattle/Tacoma Intl flights.
From Pittsburgh to Seattle/Tacoma Intl
One-way flight from Pittsburgh to Seattle/Tacoma Intl
Highest demand for flights based on searches. 17% potential increase in price ($80 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 8, 2025.

This CheapOair deal was found by Cheapflights users on 3/6. 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.
Fri 5/305:40 pmPIT - SEA
1 stop27h 30mFrontier
Fri 6/66:25 amSEA - PIT
1 stop7h 02mFrontier
Deal found 3/6$240
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 5/127:15 pmPIT - SEA
1 stop8h 30mAmerican Airlines
Wed 5/2111:58 pmSEA - PIT
1 stop7h 53mAmerican Airlines
Deal found 3/6$242
This Hawaiian Airlines deal was found by Cheapflights users on 3/7. 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.
Tue 4/87:36 pmPIT - SEA
Nonstop5h 22mHawaiian Airlines
Thu 4/1710:55 amSEA - PIT
Nonstop4h 41mHawaiian Airlines
Deal found 3/7$247
This FlightHub deal was found by Cheapflights users on 3/7. 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.
Mon 4/75:11 pmPIT - SEA
2 stops18h 32mSpirit Airlines
Fri 4/1812:30 pmSEA - PIT
1 stop14h 15mSpirit Airlines
Deal found 3/7$250
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/24:09 pmPIT - SEA
2 stops9h 51mUnited Airlines
Mon 4/72:18 pmSEA - PIT
1 stop6h 26mUnited Airlines
Deal found 3/7$252
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 4/167:36 pmPIT - SEA
Nonstop5h 22mAlaska Airlines
Sat 4/1910:55 amSEA - PIT
Nonstop4h 41mAlaska Airlines
Deal found 3/7$257
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 4/215:39 pmPIT - SEA
1 stop9h 23mDelta
Thu 4/2412:45 amSEA - PIT
1 stop6h 34mDelta
Deal found 3/7$272
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/217:36 pmPIT - SEA
Nonstop5h 22mMultiple Airlines
Mon 4/2812:30 pmSEA - PIT
1 stop14h 15mMultiple Airlines
Deal found 3/7$284
This Southwest deal was found by Cheapflights users on 3/7. 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 10/257:10 amPIT - SEA
1 stop7h 25mSouthwest
Mon 10/279:00 pmSEA - PIT
2 stops12h 25mSouthwest
Deal found 3/7$314
This JetBlue deal was found by Cheapflights users on 3/6. 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.
Tue 4/112:40 pmPIT - SEA
1 stop12h 47mJetBlue
Sun 4/611:55 pmSEA - PIT
1 stop8h 55mJetBlue
Deal found 3/6$319

Find flights from Pittsburgh to Seattle within your budget

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 8, 2025.

Fly from

Pittsburgh

Fly to

Seattle

Route

Depart

Return

Price

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 5/30

5:40 pm-6:10 pm

1 stop27h 30m

Seattle/Tacoma Intl

Fri 6/6

6:25 am-4:27 pm

1 stop7h 02m

$240

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 5/12

7:15 pm-12:45 am

1 stop8h 30m

Seattle/Tacoma Intl

Wed 5/21

11:58 pm-10:51 am

1 stop7h 53m

$242

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 4/8

7:36 pm-9:58 pm

Nonstop5h 22m

Seattle/Tacoma Intl

Thu 4/17

10:55 am-6:36 pm

Nonstop4h 41m

$247

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 4/7

5:11 pm-8:43 am

2 stops18h 32m

Seattle/Tacoma Intl

Fri 4/18

12:30 pm-5:45 am

1 stop14h 15m

$250

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 4/2

4:09 pm-11:00 pm

2 stops9h 51m

Seattle/Tacoma Intl

Mon 4/7

2:18 pm-11:44 pm

1 stop6h 26m

$252

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 4/16

7:36 pm-9:58 pm

Nonstop5h 22m

Seattle/Tacoma Intl

Sat 4/19

10:55 am-6:36 pm

Nonstop4h 41m

$257

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 4/21

5:39 pm-12:02 am

1 stop9h 23m

Seattle/Tacoma Intl

Thu 4/24

12:45 am-10:19 am

1 stop6h 34m

$272

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 4/21

7:36 pm-9:58 pm

Nonstop5h 22m

Seattle/Tacoma Intl

Mon 4/28

12:30 pm-5:45 am

1 stop14h 15m

$284

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 6/16

8:30 pm-12:50 am

1 stop7h 20m

Seattle/Tacoma Intl

Tue 6/17

10:20 am-1:55 am

2 stops12h 35m

$315

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 4/1

12:40 pm-10:27 pm

1 stop12h 47m

Seattle/Tacoma Intl

Sun 4/6

11:55 pm-11:50 am

1 stop8h 55m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 19 results
1
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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
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust 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.

The best insider tips for Pittsburgh to Seattle flights

Find out what our experts recommend to make the most of your Pittsburgh to Seattle trip
Airports
PIT

Arrive 3 hours early for morning flights due to busy security lines. Check the airport's live security time tracker for shorter wait times.

Read more about PITby John Walton
SEA

Use the Link light rail for an affordable and quick trip to downtown Seattle. 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

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.

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.

Travel insights for flights from Pittsburgh to Seattle

Get recent, data-driven insights about flights from Pittsburgh to Seattle including ideal travel times, pricing trends, and more.

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 28, 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 79 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 $411). 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 8, 2025.

It’s typically best to fly out from Pittsburgh to Seattle at noon. Doing so could potentially save you 30% 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 March 2, 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 8, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Pittsburgh to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

8.0
Very good

Crew

8.7

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

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

    According to our current data, Frontier ($240), American Airlines ($242), and Hawaiian Airlines ($247) offers the cheapest pricing from Pittsburgh to Seattle. Frontier is priced at 37% 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 Spirit Airlines and Alaska Airlines, 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 $138. While the most popular route (Pittsburgh - Seattle/Tacoma Intl) can be booked for $227 on average our data indicates $812 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 $411). 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
Renton
Lacey
Ocean Shores
Tacoma
Leavenworth
Federal Way
Centralia
Olympia
Cle Elum
Lakewood
Mukilteo
Aberdeen
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale
Redmond

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 8 airlines flying from Pittsburgh to Seattle

Discover the top 8 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 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$125Average$217FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$183Average$396FlexibilityNo cancel feeOn-time85%
DeltaCheapest$196Average$295FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$207Average$346FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$360FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$424FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$256Average$438FlexibilityNo cancel feeOn-time75%
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