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Cheap flights from Seattle to Pittsburgh from C$ 173

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PIT
30 Aug — 6 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Pittsburgh

Enter your travel dates to find the best prices.

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 31 July 2026.

Fri 18/911:05 p.m.
SEA
-
PIT
1 stop8h 05m
Southwest
Mon 21/97:30 p.m.
PIT
-
SEA
1 stop7h 25m
Southwest
Deal found 27/7C$ 347
Thu 3/96:15 a.m.
SEA
-
PIT
1 stop13h 05m
Southwest
Thu 10/96:30 p.m.
PIT
-
SEA
1 stop9h 15m
Southwest
Deal found 27/7C$ 354
Tue 22/95:20 a.m.
SEA
-
PIT
2 stops9h 30m
Southwest
Tue 29/96:40 a.m.
PIT
-
SEA
2 stops9h 40m
Southwest
Deal found 28/7C$ 361
Thu 10/911:05 p.m.
SEA
-
PIT
2 stops10h 05m
Southwest
Thu 17/92:45 p.m.
PIT
-
SEA
1 stop12h 10m
Southwest
Deal found 28/7C$ 362
Wed 30/97:00 a.m.
SEA
-
PIT
1 stop6h 57m
United Airlines
Sat 10/106:00 p.m.
PIT
-
SEA
1 stop7h 56m
United Airlines
Deal found 30/7C$ 375
Wed 26/87:10 a.m.
SEA
-
PIT
1 stop9h 30m
Southwest
Wed 2/91:25 p.m.
PIT
-
SEA
2 stops9h 50m
Southwest
Deal found 29/7C$ 382
Thu 6/811:11 p.m.
SEA
-
PIT
1 stop7h 47m
United Airlines
Mon 10/86:16 p.m.
PIT
-
SEA
1 stop7h 40m
United Airlines
Deal found 26/7C$ 389
Thu 17/95:15 a.m.
SEA
-
PIT
2 stops9h 25m
Southwest
Sun 20/97:05 p.m.
PIT
-
SEA
1 stop8h 50m
Southwest
Deal found 27/7C$ 393
Sat 5/911:05 p.m.
SEA
-
PIT
1 stop9h 30m
Southwest
Thu 10/912:50 p.m.
PIT
-
SEA
2 stops13h 10m
Southwest
Deal found 29/7C$ 404

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 31 July 2026.

Round-trip from

C$ 347

One-way from

C$ 173

Popular in

July

Cheapest in

February

Average price

C$ 676
Southwest
  • Southwest
  • 11/9-18/9
  • 2 total stops
  • 14h 40m total
  • Seattle to Pittsburgh
Search Deals
American Airlines
  • American Airlines
  • 10/9
  • 1 total stop
  • 8h 43m total
  • Seattle to Pittsburgh
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 629,999 searches. Data last updated 31 July 2026.
Use the filters below to find and compare flights from Seattle to Pittsburgh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Wed 9/9

11:05 p.m.-10:45 a.m.

1 stop8h 40m

Pittsburgh

Wed 16/9

2:00 p.m.-5:55 p.m.

1 stop6h 55m

C$ 347

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Thu 3/9

6:15 a.m.-10:20 p.m.

1 stop13h 05m

Pittsburgh

Thu 10/9

6:30 p.m.-12:45 a.m.

1 stop9h 15m

C$ 354
Quickest round-trip

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Wed 11/11

6:35 a.m.-4:10 p.m.

1 stop6h 35m

Pittsburgh

Thu 19/11

4:55 p.m.-10:20 p.m.

1 stop8h 25m

C$ 415

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Tue 18/8

6:25 a.m.-8:50 p.m.

1 stop11h 25m

Pittsburgh

Wed 26/8

1:25 p.m.-9:15 p.m.

1 stop10h 50m

C$ 431

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Tue 18/8

6:25 a.m.-8:50 p.m.

1 stop11h 25m

Pittsburgh

Sat 29/8

1:20 p.m.-7:30 p.m.

1 stop9h 10m

C$ 431

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Wed 2/9

11:05 p.m.-12:10 p.m.

2 stops10h 05m

Pittsburgh

Mon 7/9

7:00 a.m.-10:45 a.m.

1 stop6h 45m

C$ 450

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Mon 24/8

6:15 a.m.-10:05 p.m.

2 stops12h 50m

Pittsburgh

Sun 30/8

1:55 p.m.-12:50 a.m.

1 stop13h 55m

C$ 495

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Fri 16/10

11:14 p.m.-9:37 a.m.

1 stop7h 23m

Pittsburgh

Wed 21/10

7:00 a.m.-12:23 p.m.

1 stop8h 23m

C$ 501

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Thu 27/8

11:00 p.m.-2:11 p.m.

2 stops12h 11m

Pittsburgh

Sun 30/8

5:45 p.m.-11:26 p.m.

1 stop8h 41m

C$ 536

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Wed 16/9

11:00 p.m.-2:11 p.m.

2 stops12h 11m

Pittsburgh

Mon 21/9

6:10 p.m.-10:45 p.m.

1 stop7h 35m

C$ 536

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

The best time to book flights from Seattle to Pittsburgh is 18 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Pittsburgh (average of C$ 377). Flying from Seattle to Pittsburgh in July is currently the most expensive (average of C$ 676). 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 31 July 2026.

When flying from Seattle to Pittsburgh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Seattle to Pittsburgh?

Airfare is below average for this route at the moment.

Seattle to Pittsburgh flights typically cost between C$ 417 and C$ 753 in September.
The cheapest round-trip price found within the last 5 days was C$ 347 on Southwest (18 Sep-21 Sep).

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.

  • How popular is this Seattle to Pittsburgh flight route?

    The Seattle/Tacoma Intl to Pittsburgh flight path was viewed by 3 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 Seattle to Pittsburgh?

    For as low as C$ 501, Southwest can have you in Pittsburgh from Seattle in 7h 23m. There are 3407 km between Seattle and Pittsburgh. Both multi-stop and direct flights can be found to your destination and back.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Pittsburgh (average of C$ 377). Flying from Seattle to Pittsburgh in July is currently the most expensive (average of C$ 676). 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

Travelling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Monroeville
Moon

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Cheapflights helps you search for flights from Seattle to Pittsburgh via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Pittsburgh?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Pittsburgh from Seattle.

Can Cheapflights find flights from Seattle to Pittsburgh with no change fees?

Yes, we can. To see specific flights from Seattle to Pittsburgh with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Pittsburgh become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pittsburgh from Seattle today and book when prices fit your budget.

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