Seattle (SEA) to Pittsburgh (PIT) flights
2 airlines fly nonstop from Seattle (SEA) to Pittsburgh (PIT): Alaska Airlines and American Airlines. The two airports are 2,118 miles (3,408 km) apart. Alaska Airlines and American Airlines are in oneworld. There are also 38 ways to fly it with one stop, through Minneapolis, Detroit and Chicago and more.
Airlines flying nonstop from SEA to PIT
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

- American Airlinesoneworld · bookable with 9 programsWho books it

Book SEA to PIT with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines, American Airlines
- American AAdvantageBooks Alaska Airlines, American Airlines
- British Airways ClubBooks Alaska Airlines, American Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines, American Airlines
- Finnair PlusBooks Alaska Airlines, American Airlines
- Iberia ClubBooks Alaska Airlines, American Airlines
- JAL Mileage BankBooks Alaska Airlines, American Airlines
- Qantas Frequent FlyerBooks Alaska Airlines, American Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines, American Airlines
SEA to PIT with one stop
38 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Minneapolis (MSP)Delta Air Lines the whole way




- Via Detroit (DTW)Delta Air Lines the whole way



- Via Chicago (ORD)American Airlines and United Airlines the whole way

+1


- Via Chicago (MDW)Southwest Airlines the whole way


- Via Saint Louis (STL)Southwest Airlines the whole way



- Via Toronto (YYZ)Air Canada the whole way



- Via Denver (DEN)United Airlines and Southwest Airlines the whole way

+3


- Via Salt Lake City (SLC)Delta Air Lines the whole way



- Via Nashville (BNA)Southwest Airlines the whole way





- Via Dulles (IAD)United Airlines the whole way




- Via Washington (DCA)Alaska Airlines and Delta Air Lines, then American Airlines



- Via Baltimore (BWI)Southwest Airlines the whole way



- Via Charlotte (CLT)American Airlines the whole way


- Via Philadelphia (PHL)American Airlines the whole way




- Via Raleigh/Durham (RDU)Alaska Airlines and Delta Air Lines, then American Airlines and Breeze Airways




SEA to PIT: common questions
Which airlines fly nonstop from SEA to PIT?
Alaska Airlines (oneworld) and American Airlines (oneworld) fly nonstop from Seattle (SEA) to Pittsburgh (PIT).
How far is Seattle from Pittsburgh by plane?
Seattle (SEA) and Pittsburgh (PIT) are 2,118 miles (3,408 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SEA to PIT award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to PIT cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to PIT with taxes and fees.
Where can I connect between Seattle and Pittsburgh?
The most direct connections are through Minneapolis (MSP), Detroit (DTW), Chicago (ORD), Chicago (MDW) and Saint Louis (STL). On 30 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.