Swiss flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Fri,Sun 19:54 Chicago O'Hare (ORD) 1 22:43 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 8 (7M8) 4:49 Effective 2026-01-08 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 2497)
Mon,Tue,Thu-Sun 19:55 Chicago O'Hare (ORD) 1 22:47 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Airbus A321neo (32Q) 4:52 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2211)
Daily 19:55 Chicago O'Hare (ORD) 1 22:29 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 8 (7M8) 4:34 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 2211Z)
Sat 19:57 Chicago O'Hare (ORD) 1 22:41 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 9 (7M9) 4:44 Operates only on 2026-03-07
Codeshare flight, operated by United Airlines.(UA 2211)
Daily 19:59 Chicago O'Hare (ORD) 1 22:43 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 8 (7M8) 4:44 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 2211)
Daily 20:00 Chicago O'Hare (ORD) 1 22:42 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 9 (7M9) 4:42 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2211)
Thu,Fri 20:01 Chicago O'Hare (ORD) 1 22:45 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 9 (7M9) 4:44 Effective 2026-03-05 through 2026-03-06
Codeshare flight, operated by United Airlines.(UA 2211)
Daily 20:01 Chicago O'Hare (ORD) 1 22:45 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 9 (7M9) 4:44 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2211)
Daily 20:08 Chicago O'Hare (ORD) 1 22:50 Seattle-Tacoma (SEA)
Swiss LX 3254 Non-stop Boeing 737 MAX 9 (7M9) 4:42 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2211)
Daily 16:15 Chicago O'Hare (ORD) 1 18:59 Seattle-Tacoma (SEA)
Swiss LX 3294 Non-stop Airbus A320 (320) 4:44 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 1801)
Daily 16:20 Chicago O'Hare (ORD) 1 19:00 Seattle-Tacoma (SEA)
Swiss LX 3294 Non-stop Airbus A321neo (32Q) 4:40 Effective 2026-04-09 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1801)




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Swiss flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Swiss LX3254
19:54
Chicago O'Hare (ORD) 1

22:43
Seattle-Tacoma (SEA)
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2497)
Duration: 4:49, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Swiss LX3254
19:55
Chicago O'Hare (ORD) 1

22:47
Seattle-Tacoma (SEA)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:52, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Swiss LX3254
19:55
Chicago O'Hare (ORD) 1

22:29
Seattle-Tacoma (SEA)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.(UA 2211Z)
Duration: 4:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Swiss LX3254
19:57
Chicago O'Hare (ORD) 1

22:41
Seattle-Tacoma (SEA)
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:44, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3254
19:59
Chicago O'Hare (ORD) 1

22:43
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:44, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Swiss LX3254
20:00
Chicago O'Hare (ORD) 1

22:42
Seattle-Tacoma (SEA)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:42, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3254
20:01
Chicago O'Hare (ORD) 1

22:45
Seattle-Tacoma (SEA)
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:44, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3254
20:01
Chicago O'Hare (ORD) 1

22:45
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:44, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3254
20:08
Chicago O'Hare (ORD) 1

22:50
Seattle-Tacoma (SEA)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:42, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3294
16:15
Chicago O'Hare (ORD) 1

18:59
Seattle-Tacoma (SEA)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 4:44, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX3294
16:20
Chicago O'Hare (ORD) 1

19:00
Seattle-Tacoma (SEA)
Effective 2026-04-09 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 4:40, non-stop
Airbus A321neo (32Q)
  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1715 miles, or 2760 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . 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 4:34 and 4:52.
All ORD-SEA flights
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