United States · 2,118 miles (3,408 km)

Pittsburgh (PIT) to Seattle (SEA) flights

2 airlines fly nonstop from Pittsburgh (PIT) to Seattle (SEA): 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 PIT to SEA

  • Alaska Airlines logo
    Alaska Airlinesoneworld · bookable with 9 programsWho books it
  • American Airlines logo
    American Airlinesoneworld · bookable with 9 programsWho books it

Book PIT to SEA with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

PIT to SEA 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
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Air Canada logo
    Alaska Airlines logo
  • Via Denver (DEN)United Airlines and Southwest Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Allegiant Air logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
    Delta Air Lines logo
  • Via Washington (DCA)American Airlines, then Alaska Airlines and Delta Air Lines
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Raleigh/Durham (RDU)American Airlines and Breeze Airways, then Alaska Airlines and Delta Air Lines
    American Airlines logo
    Breeze Airways logo
    Alaska Airlines logo
    Delta Air Lines logo
See all 38 in Routes

PIT to SEA: common questions

Which airlines fly nonstop from PIT to SEA?

Alaska Airlines (oneworld) and American Airlines (oneworld) fly nonstop from Pittsburgh (PIT) to Seattle (SEA).

How far is Pittsburgh from Seattle by plane?

Pittsburgh (PIT) and Seattle (SEA) 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 PIT to SEA 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 PIT to SEA cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for PIT to SEA with taxes and fees.

Where can I connect between Pittsburgh and Seattle?

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.