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

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PIT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Seattle to Pittsburgh 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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3. Compare prices and book

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Pittsburgh are usually found in March or January, booked 19 days in advance, depart on a Tuesday or Friday and return on a Thursday

Cheap flight deals from Seattle to Pittsburgh

Cheapest flights from Seattle to Pittsburgh
Explore the most affordable flight options available from Seattle to Pittsburgh. 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 12/9. 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 12/3111:07 pmSEA - PIT
1 stop7h 35mAmerican Airlines
Wed 1/71:48 pmPIT - SEA
1 stop11h 19mAmerican Airlines
Deal found 12/9$193
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/3111:15 pmSEA - PIT
1 stop7h 29mUnited Airlines
Wed 1/72:06 pmPIT - SEA
2 stops10h 09mUnited Airlines
Deal found 12/9$232
This Delta deal was found by Cheapflights users on 12/9. 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 12/179:25 amSEA - PIT
1 stop6h 10mDelta
Sat 1/37:00 amPIT - SEA
1 stop8h 58mDelta
Deal found 12/9$247
This Delta deal was found by Cheapflights users on 12/9. 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 12/199:25 amSEA - PIT
1 stop6h 10mDelta
Mon 12/2911:02 amPIT - SEA
1 stop7h 49mDelta
Deal found 12/9$278
This Delta deal was found by Cheapflights users on 12/9. 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.
Tue 12/2310:55 pmSEA - PIT
1 stop8h 07mDelta
Thu 1/110:33 amPIT - SEA
1 stop7h 09mDelta
Deal found 12/9$298
This Delta deal was found by Cheapflights users on 12/9. 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 12/1511:15 pmSEA - PIT
1 stop7h 31mDelta
Tue 1/65:32 pmPIT - SEA
1 stop8h 50mDelta
Deal found 12/9$305
This Delta deal was found by Cheapflights users on 12/9. 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 12/205:25 amSEA - PIT
1 stop8h 06mDelta
Fri 1/27:00 amPIT - SEA
1 stop8h 58mDelta
Deal found 12/9$308
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 12/319:29 pmSEA - PIT
1 stop9h 13mAlaska Airlines
Wed 1/77:00 amPIT - SEA
Nonstop5h 32mAlaska Airlines
Deal found 12/9$327
This Delta deal was found by Cheapflights users on 12/9. 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.
Tue 12/235:25 amSEA - PIT
1 stop8h 06mDelta
Mon 12/2911:02 amPIT - SEA
1 stop7h 49mDelta
Deal found 12/9$329
This Delta deal was found by Cheapflights users on 12/9. 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.
Tue 12/169:59 pmSEA - PIT
1 stop10h 47mDelta
Mon 1/57:13 amPIT - SEA
1 stop31h 06mDelta
Deal found 12/9$332
This Southwest deal was found by Cheapflights users on 12/10. 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 12/175:15 amSEA - PIT
1 stop8h 35mSouthwest
Mon 12/226:55 pmPIT - SEA
1 stop9h 30mSouthwest
Deal found 12/10$339
This Delta deal was found by Cheapflights users on 12/9. 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 12/199:25 amSEA - PIT
1 stop6h 10mDelta
Tue 12/305:29 pmPIT - SEA
1 stop9h 51mDelta
Deal found 12/9$348

Find flight deals from Seattle to Pittsburgh

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Pittsburgh (PIT). 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

$193
(American Airlines)

One-way from

$90
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$502

Good round-trip deal

$277 or less

Good one-way deal

$278 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Pittsburgh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Pittsburgh flights.
Search Deals
From Seattle/Tacoma Intl to Pittsburgh
Search Deals
One-way flight from Seattle/Tacoma Intl to Pittsburgh
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 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 Seattle/Tacoma Intl to Pittsburgh.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Pittsburgh.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Pittsburgh 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 Seattle to Pittsburgh that are best for you.

Fly from

Seattle

Fly to

Pittsburgh

Route

Depart

Return

Price

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Thu 1/8

5:15 am-4:55 pm

1 stop8h 40m

Pittsburgh

Wed 1/14

12:35 pm-10:30 pm

2 stops12h 55m

$224

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Sun 1/11

2:10 pm-11:44 pm

1 stop6h 34m

Pittsburgh

Wed 1/14

10:49 am-6:27 pm

2 stops10h 38m

$242

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Mon 1/12

6:05 am-8:00 pm

2 stops10h 55m

Pittsburgh

Thu 1/15

5:40 am-10:50 am

1 stop8h 10m

$260

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Tue 12/23

5:25 am-4:31 pm

1 stop8h 06m

Pittsburgh

Fri 1/2

7:00 am-12:58 pm

1 stop8h 58m

$298

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Thu 1/15

7:00 am-4:44 pm

1 stop6h 44m

Pittsburgh

Tue 1/20

6:00 am-6:14 pm

2 stops15h 14m

$342

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Fri 2/13

11:02 am-6:35 pm

Nonstop4h 33m

Pittsburgh

Sun 2/15

12:45 pm-8:16 pm

1 stop10h 31m

$347

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Sun 1/25

8:30 am-6:10 pm

1 stop6h 40m

Pittsburgh

Sun 2/1

7:00 am-9:32 am

Nonstop5h 32m

$347

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Mon 1/12

7:30 pm-9:47 am

2 stops11h 17m

Pittsburgh

Thu 1/15

7:28 am-4:01 pm

2 stops11h 33m

$357

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Sun 1/11

5:15 am-6:00 pm

2 stops9h 45m

Pittsburgh

Wed 1/14

12:35 pm-10:30 pm

2 stops12h 55m

$379

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Thu 1/15

11:00 am-9:00 pm

1 stop7h 00m

Pittsburgh

Mon 1/19

7:00 am-9:32 am

Nonstop5h 32m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

Compare providers for flights from Seattle to Pittsburgh

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 Seattle to Pittsburgh in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Seattle-Pittsburgh flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Pittsburgh flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Pittsburgh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Pittsburgh 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 Seattle-Pittsburgh 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 Seattle to Pittsburgh

Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Seattle 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 Seattle to Pittsburgh

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Pittsburgh. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Pittsburgh, you should look to book at least 19 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Pittsburgh (average of $42). Flying from Seattle to Pittsburgh in June is currently the most expensive (average of $272). 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 SEA to PIT?

Find hourly flight availability from Seattle to Pittsburgh. 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.

One of the essential ways to save on airfare from Seattle to Pittsburgh is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 72% on airfare.

The best insider tips for Seattle to Pittsburgh 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 Seattle to Pittsburgh trip
Airports
SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times. Sign up online a few days before your flight.

Read more about SEABy Brandon Schultz
PIT

Take the 28X Airport Flyer bus for a budget-friendly ride to downtown Pittsburgh. It runs twice an hour and takes about 45 minutes.

Read more about PITBy John Walton
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 Pittsburgh

Get insights into the airlines that provide service to Pittsburgh. 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 Pittsburgh. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Pittsburgh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,817 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Pittsburgh. 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 Seattle to Pittsburgh?

    To fly from Seattle to Pittsburgh, you need to book a flight from Seattle/Tacoma Intl (SEA) to Pittsburgh (PIT). Nonstop flights to Pittsburgh from Seattle/Tacoma Intl take 4h 35m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Seattle/Tacoma Intl to Pittsburgh offered by 6 different airlines.

  • How popular is this Seattle to Pittsburgh flight route?

    Flights from Seattle/Tacoma Intl to Pittsburgh have been viewed 5 times in the past calendar month.

  • How long is the flight from Seattle to Pittsburgh?

    Southwest, United Airlines, and Delta can get you from Seattle to Pittsburgh in just under 6h 34m. Your travel time can differ by up to 2h 06m. Seattle and Pittsburgh are separated by 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 Seattle to Pittsburgh round-trip?

    Delta, at $123, was found to be the cheapest airline from Seattle to Pittsburgh.Alternate airlines to your destination round-trip include Hawaiian Airlines and Southwest. Delta is 66% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $89 on American Airlines. Other airlines that offer cheap prices include Southwest from $97 and Delta from $98 one-way.

  • What are the cheapest flights from Seattle to Pittsburgh?

    Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Seattle/Tacoma Intl - Pittsburgh) can be booked for $177 on average, our data indicates $357 when flying from Seattle to Pittsburgh.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Pittsburgh 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 Seattle to Pittsburgh?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Pittsburgh (average of $42). Flying from Seattle to Pittsburgh in June is currently the most expensive (average of $272). 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
Mars
Steubenville
Monroeville
Washington
Wexford
Belle Vernon

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Alternative routes for Seattle to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Seattle to Pittsburgh

Discover the top 6 airlines that operate flights from Seattle to Pittsburgh. 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
DeltaCheapest$149Average$296FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$355FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$192Average$349FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$222Average$357FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$237Average$402FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$246Average$344FlexibilityNo cancel feeOn-time69%

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