Swiss flights from Seattle-Tacoma (SEA) to Denver (DEN).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Fri,Sun 12:46 Seattle-Tacoma (SEA) 16:30 Denver (DEN)
Swiss LX 3129 Non-stop Boeing 737 MAX 9 (7M9) 2:44 Effective 2026-05-27 through 2026-07-03
Codeshare flight, operated by United Airlines.(UA 1351)
Mon,Wed,Fri 12:46 Seattle-Tacoma (SEA) 16:30 Denver (DEN)
Swiss LX 3129 Non-stop Boeing 737 MAX 9 (7M9) 2:44 Effective 2026-07-06 through 2026-08-21
Codeshare flight, operated by United Airlines.(UA 1351)


Swiss flights from Seattle-Tacoma (SEA) to Denver (DEN).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-05-27 through 2026-07-03
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1351)
Duration: 2:44, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-07-06 through 2026-08-21
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1351)
Duration: 2:44, non-stop
Boeing 737 MAX 9 (7M9)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Denver airport (DEN).
  • The flight distance is 1022 miles, or 1644 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time is 2:44.