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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Fri,Sun 12:40 Seattle-Tacoma (SEA) 16:26 Denver (DEN)
Swiss LX 3129 Non-stop Airbus A321neo (32Q) 2:46 Effective 2025-05-11 through 2025-05-18
Codeshare flight, operated by United Airlines.(UA 1417)
Mon,Wed 12:40 Seattle-Tacoma (SEA) 16:26 Denver (DEN)
Swiss LX 3129 Non-stop Airbus A321neo (32Q) 2:46 Effective 2025-05-19 through 2025-05-21
Codeshare flight, operated by United Airlines.(UA 1417)
Mon,Wed,Fri,Sun 12:44 Seattle-Tacoma (SEA) 16:35 Denver (DEN)
Swiss LX 3129 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-05-23 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 1417)
Mon,Wed,Fri 12:46 Seattle-Tacoma (SEA) 16:30 Denver (DEN)
Swiss LX 3129 Non-stop Airbus A321neo (32Q) 2:44 Effective 2025-08-20 through 2025-09-15
Codeshare flight, operated by United Airlines.(UA 1417)
Mon,Fri 12:46 Seattle-Tacoma (SEA) 16:30 Denver (DEN)
Swiss LX 3129 Non-stop Airbus A321neo (32Q) 2:44 Effective 2025-09-19 through 2025-09-22
Codeshare flight, operated by United Airlines.(UA 1417)
Mon,Wed,Fri,Sun 12:49 Seattle-Tacoma (SEA) 16:40 Denver (DEN)
Swiss LX 3129 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-06-27 through 2025-07-04
Codeshare flight, operated by United Airlines.(UA 757)
Mon,Wed,Fri 12:49 Seattle-Tacoma (SEA) 16:40 Denver (DEN)
Swiss LX 3129 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-07-07 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 757)


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

Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1417)
Duration: 2:46, non-stop
Airbus A321neo (32Q)

Effective 2025-05-19 through 2025-05-21
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1417)
Duration: 2:46, non-stop
Airbus A321neo (32Q)

Effective 2025-05-23 through 2025-06-25
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1417)
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Effective 2025-08-20 through 2025-09-15
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1417)
Duration: 2:44, non-stop
Airbus A321neo (32Q)

Effective 2025-09-19 through 2025-09-22
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1417)
Duration: 2:44, non-stop
Airbus A321neo (32Q)

Effective 2025-06-27 through 2025-07-04
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 757)
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Effective 2025-07-07 through 2025-08-18
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 757)
Duration: 2:51, non-stop
Airbus A321neo (32Q)
  • 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 varies between 2:44 and 2:51.