Seattle

$119+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
Apr 13 — Apr 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”

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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 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 April 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(Cheapflightsfares)

One-way from

$119
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$341

Good round-trip deal

$386 or less

Good one-way deal

$219 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 ($82 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 8, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:01 pmPIT - SEA
1 stop9h 09mSpirit Airlines
Sun 5/186:00 amSEA - PIT
1 stop8h 06mSpirit Airlines
Deal found 4/7$239
This Delta deal was found by Cheapflights users on 4/7. 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.
Thu 7/316:05 pmPIT - SEA
1 stop9h 03mDelta
Mon 8/1111:55 pmSEA - PIT
1 stop7h 09mDelta
Deal found 4/7$247
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Tue 4/223:00 pmPIT - SEA
2 stops10h 43mUnited Airlines
Sat 4/267:00 amSEA - PIT
1 stop7h 07mUnited Airlines
Deal found 4/7$256
This American Airlines deal was found by Cheapflights users on 4/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/33:56 pmPIT - SEA
1 stop10h 01mAmerican Airlines
Mon 6/912:05 amSEA - PIT
1 stop6h 50mAmerican Airlines
Deal found 4/7$277
This Orbitz deal was found by Cheapflights users on 4/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:01 pmPIT - SEA
1 stop9h 09mMultiple Airlines
Sun 5/1811:05 pmSEA - PIT
Nonstop4h 40mMultiple Airlines
Deal found 4/7$284
This Hawaiian Airlines deal was found by Cheapflights users on 4/7. 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.
Thu 5/157:44 pmPIT - SEA
Nonstop5h 16mHawaiian Airlines
Sat 5/2411:05 pmSEA - PIT
Nonstop4h 40mHawaiian Airlines
Deal found 4/7$287
This Southwest deal was found by Cheapflights users on 4/7. 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.
Wed 10/155:50 amPIT - SEA
2 stops9h 45mSouthwest
Mon 10/205:15 amSEA - PIT
1 stop7h 35mSouthwest
Deal found 4/7$304
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 8/277:42 pmPIT - SEA
Nonstop5h 12mAlaska Airlines
Mon 9/111:10 pmSEA - PIT
Nonstop4h 38mAlaska Airlines
Deal found 4/7$307

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 April 8, 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

Fri 5/16

6:01 pm-12:10 am

1 stop9h 09m

Seattle/Tacoma Intl

Sun 5/18

6:00 am-5:06 pm

1 stop8h 06m

$239

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 7/31

6:05 pm-12:08 am

1 stop9h 03m

Seattle/Tacoma Intl

Mon 8/11

11:55 pm-10:04 am

1 stop7h 09m

$247

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 4/22

3:00 pm-10:43 pm

2 stops10h 43m

Seattle/Tacoma Intl

Sat 4/26

7:00 am-5:07 pm

1 stop7h 07m

$256

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 6/3

3:56 pm-10:57 pm

1 stop10h 01m

Seattle/Tacoma Intl

Mon 6/9

12:05 am-9:55 am

1 stop6h 50m

$277

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 5/15

6:01 pm-12:10 am

1 stop9h 09m

Seattle/Tacoma Intl

Sun 5/18

11:05 pm-6:45 am

Nonstop4h 40m

$284

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 5/15

7:44 pm-10:00 pm

Nonstop5h 16m

Seattle/Tacoma Intl

Sat 5/24

11:05 pm-6:45 am

Nonstop4h 40m

$287

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 6/6

6:30 pm-12:25 am

1 stop8h 55m

Seattle/Tacoma Intl

Thu 6/12

10:35 am-12:35 am

1 stop11h 00m

$305

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 8/27

7:42 pm-9:54 pm

Nonstop5h 12m

Seattle/Tacoma Intl

Mon 9/1

11:10 pm-6:48 am

Nonstop4h 38m

$307

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 5/2

9:55 am-7:51 pm

1 stop12h 56m

$119

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 7/14

4:50 pm-11:55 pm

1 stop10h 05m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 18 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
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

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 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

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 April 4, 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 86 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 April 8, 2025.

It’s typically best to fly out from Pittsburgh to Seattle at noon. Doing so could potentially save you 31% 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 30, 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.

Weekly flight availability from Pittsburgh to Seattle

Explore weekly flight availability from Pittsburgh to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 8, 2025.

The most flights from PIT to SEA are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 April 8, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest 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.

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

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

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

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

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

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

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

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

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

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

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.1

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 is 1 flight from Pittsburgh to Seattle per day from 8 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, Spirit Airlines ($239), Delta ($247), and United Airlines ($256) offers the cheapest pricing from Pittsburgh to Seattle. Spirit Airlines is priced at 36% 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 Spirit Airlines, with whom users have recently found tickets for as low as $119. However, be on the lookout for offers from American Airlines 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 $128. While the most popular route (Pittsburgh - Seattle/Tacoma Intl) can be booked for $222 on average our data indicates $977 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
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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 April 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$164Average$217FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$212Average$341FlexibilityNo cancel feeOn-time71%
DeltaCheapest$215Average$305FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$233Average$444FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$236Average$345FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$419FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$255Average$431FlexibilityNo cancel feeOn-time75%

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