$139 Cheap Alaska Airlines flights Seattle (SEA) to Pittsburgh (PIT)

View $139 flight on Tue, Oct 28, 2025Opens in a new window

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$139 Cheap Alaska Airlines flights Seattle (SEA) to Pittsburgh (PIT)

Prices were available within the past 7 days and start at $139 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Sep 23 - Tue, Oct 7
SEA
Seattle
PIT
Pittsburgh
$237 Roundtrip, found 8 hours ago
$237
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Seattle to Pittsburgh, returning Tue, Oct 7, priced at $237 found 8 hours ago
Flights from Seattle (SEA) to Pittsburgh (PIT)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Pittsburgh Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2117 mi
Average flight time
7 hours 37 mins

Frequently asked questions

How much is an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Pittsburgh Intl. Airport (PIT)?
Grab cheap round-trip Alaska Airlines flights from $237 from SEA to PIT by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $139 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to PIT with Alaska Airlines?
Alaska Airlines flights to Pittsburgh are often more affordable in the quieter months of January and February. Whether you're searching for a one-way or round-trip ticket, you could find a better deal then.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Pittsburgh Intl. Airport (PIT) with Alaska Airlines?
Look for cheap Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Pittsburgh Intl. Airport (PIT) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Pittsburgh Intl. Airport (PIT)?
Select our "Nonstop" filter when looking for direct Alaska Airlines flights from SEA to PIT. It's also an easy way to compare other airlines offering the same direct trip.
What is the earliest Alaska Airlines flight from SEA to PIT?
To find the earliest departures from SEA to PIT with Alaska Airlines, sort your results by "Morning" and "Early Morning." Choosing an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Pittsburgh?
Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Pittsburgh come in to Pittsburgh Intl. Airport (PIT). This is the main gateway to this city.
Why fly with Alaska Airlines from SEA to PIT?
Jetting off from SEA to PIT with Alaska Airlines means enjoying plenty of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That's on top of the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Pittsburgh Intl. Airport (PIT)?
Changes are generally free within 24 hours of making your booking, but your airline may charge a fee after that time. For more details about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without being charged, check the "No cancel fee" or "Changes included" filter when organizing your next escape.

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