Airlines with flights from Pittsburgh to Seattle

There are 6 airlines with scheduled flights between PIT and SEA. Both Alaska Airlines and American Airlines operates non-stop flights from Pittsburgh Airport to Seattle Airport and the flight time is 5 hours and 20 minutes.

Choose airline

Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 5 hours and 20 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 14 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
  • Business and first class available
PIT
Direct
SEA

The timetable & schedule information was updated at 2026-04-21

American Airlines

Non-stop with American Airlines

  • Total flight time: 5 hours and 55 minutes
  • One World Alliance
  • First class available
PIT
Direct
SEA

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Minneapolis with Delta Air Lines

  • Total flight time: 6h 31m - 9h 13m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 84 flights per week
PIT
 
Via MSP
 
SEA

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Chicago with Southwest Airlines

  • Total flight time: 6h 35m - 10h 25m.
  • Low-cost airline
  • 46 flights per week
PIT
 
Via MDW
 
SEA
 
Flight
Mon
Jun 8
Tue
Jun 9
Wed
Jun 10
Thu
Jun 11
Fri
Jun 12
Sat
Jun 13
Sun
Jun 14
WN3378
WN1155
----
----
----
----
----
----
08:40
WN3599
WN1876
----
08:45
08:45
----
----
----
----
WN3378
WN2231
----
----
----
----
----
08:45
----
WN3378
WN2835
08:45
----
----
08:45
08:45
----
----
WN4673
WN2890
15:50
----
----
15:50
15:50
----
----
WN3451
WN4144
----
----
----
----
----
19:05
----
WN4073
WN4144
20:10
19:30
19:30
20:10
20:10
----
----
WN2340
WN4144
----
----
----
----
----
----
19:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR PIT - SEA

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 6h 52m - 9h 04m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 107 flights per week
PIT
 
Via DTW
 
SEA

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Chicago with American Airlines

  • Total flight time: 6h 56m - 9h 32m.
  • One World Alliance
  • 134 flights per week
PIT
 
Via ORD
 
SEA

The timetable & schedule information was updated at 2026-04-21

Staying up-to-date with the airlines

At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-05-25