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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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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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Cheapflights Tip: The best prices from Pittsburgh to Seattle/Tacoma Intl are usually found in January or October, booked 86 days in advance, depart on a Thursday or Wednesday 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/206:10 amPIT - SEA
1 stop9h 27mAmerican Airlines
Sun 1/411:59 pmSEA - PIT
1 stop7h 51mAmerican Airlines
Deal found 12/11$259
This Delta deal was found by Cheapflights users on 12/11. 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.
Sun 12/216:30 pmPIT - SEA
1 stop8h 28mDelta
Wed 12/3112:55 amSEA - PIT
1 stop6h 25mDelta
Deal found 12/11$268
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/234:59 pmPIT - SEA
1 stop9h 14mAmerican Airlines
Sun 1/411:59 pmSEA - PIT
1 stop7h 51mAmerican Airlines
Deal found 12/11$289
This Delta deal was found by Cheapflights users on 12/11. 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.
Sun 12/216:30 pmPIT - SEA
1 stop8h 28mDelta
Mon 1/59:45 pmSEA - PIT
1 stop10h 55mDelta
Deal found 12/11$293
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/177:00 amPIT - SEA
1 stop10h 05mAmerican Airlines
Sun 1/119:45 pmSEA - PIT
1 stop9h 42mAmerican Airlines
Deal found 12/11$296
This Delta deal was found by Cheapflights users on 12/11. 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.
Sun 12/216:30 pmPIT - SEA
1 stop8h 28mDelta
Tue 12/3010:55 pmSEA - PIT
1 stop7h 55mDelta
Deal found 12/11$299
This Delta deal was found by Cheapflights users on 12/11. 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 12/207:00 amPIT - SEA
1 stop8h 58mDelta
Wed 12/3112:55 amSEA - PIT
1 stop6h 25mDelta
Deal found 12/11$308
This Delta deal was found by Cheapflights users on 12/11. 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 12/207:00 amPIT - SEA
1 stop8h 58mDelta
Mon 1/59:45 pmSEA - PIT
1 stop10h 55mDelta
Deal found 12/11$333
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/154:25 pmPIT - SEA
1 stop8h 21mUnited Airlines
Thu 12/2511:59 pmSEA - PIT
1 stop7h 08mUnited Airlines
Deal found 12/11$336
This Delta deal was found by Cheapflights users on 12/11. 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.
Wed 12/245:29 pmPIT - SEA
1 stop8h 58mDelta
Wed 12/3112:55 amSEA - PIT
1 stop6h 25mDelta
Deal found 12/11$338
This Delta deal was found by Cheapflights users on 12/11. 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 12/207:00 amPIT - SEA
1 stop8h 58mDelta
Tue 12/3010:55 pmSEA - PIT
1 stop7h 55mDelta
Deal found 12/11$339

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(Delta)

One-way from

$90
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$320

Good round-trip deal

$297 or less

Good one-way deal

$181 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. 14% 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 December 2025
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 December 12, 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

Mon 2/23

5:05 pm-12:09 am

1 stop10h 04m

Seattle/Tacoma Intl

Mon 3/2

6:10 am-4:37 pm

1 stop7h 27m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 2/25

11:15 am-8:00 pm

1 stop11h 45m

Seattle/Tacoma Intl

Thu 3/5

5:30 am-4:08 pm

1 stop7h 38m

$197

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 1/6

5:45 pm-10:30 pm

1 stop7h 45m

Seattle/Tacoma Intl

Sat 1/10

5:15 am-3:00 pm

1 stop6h 45m

$219

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 1/8

5:45 pm-10:30 pm

1 stop7h 45m

Seattle/Tacoma Intl

Wed 1/14

11:20 am-12:10 am

2 stops9h 50m

$224

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 1/6

5:45 pm-10:30 pm

1 stop7h 45m

Seattle/Tacoma Intl

Sun 1/11

5:00 am-10:05 pm

1 stop14h 05m

$224

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 1/12

7:00 am-9:32 am

Nonstop5h 32m

Seattle/Tacoma Intl

Thu 1/15

11:10 am-6:46 pm

Nonstop4h 36m

$237

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 1/12

2:57 pm-10:43 pm

2 stops10h 46m

Seattle/Tacoma Intl

Sat 1/17

7:00 am-4:44 pm

1 stop6h 44m

$242

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 1/16

7:00 am-9:32 am

Nonstop5h 32m

Seattle/Tacoma Intl

Sun 1/18

11:10 am-6:46 pm

Nonstop4h 36m

$247

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 1/22

10:49 am-6:26 pm

2 stops10h 37m

Seattle/Tacoma Intl

Mon 1/26

7:00 am-4:44 pm

1 stop6h 44m

$252

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Fri 1/16

10:49 am-4:01 pm

1 stop8h 12m

Seattle/Tacoma Intl

Sun 1/18

5:00 am-4:44 pm

2 stops8h 44m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pittsburgh-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 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, 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 June is currently the most expensive (average of $244). 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 December 12, 2025.

It’s typically best to fly out from Pittsburgh to Seattle in the afternoon. Doing so could potentially save you 65% 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 December 6, 2025.

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

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
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

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 December 12, 2025.
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
11,432 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

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
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

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
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

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
2,817 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

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
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

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
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

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.

  • 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 20m for a nonstop flight. There is 1 flight from Pittsburgh to Seattle per day from 7 airlines.

  • How popular is this Pittsburgh to Seattle flight route?

    This flight path from Pittsburgh to Seattle/Tacoma Intl was viewed by 19 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 and Southwest can get you from Pittsburgh to Seattle in just under 7h 45m. Your travel time can differ by up to 2h 19m. 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 ($133), and American Airlines ($178) offers the cheapest pricing from Pittsburgh to Seattle. Frontier is priced at 72% 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 Southwest, with whom users have recently found tickets for as low as $97. 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 $147. While the most popular route (Pittsburgh - Seattle/Tacoma Intl) can be booked for $179 on average, our data indicates $297 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 June is currently the most expensive (average of $244). 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
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$218FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$178Average$376FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$178Average$308FlexibilityNo cancel feeOn-time71%
DeltaCheapest$193Average$278FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$231Average$334FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$235Average$421FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$238Average$410FlexibilityNo cancel feeOn-time75%

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