Swiss flight LX 3257: Seattle-Tacoma - San Francisco

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Sat 12:32 Seattle-Tacoma (SEA) 14:50 San Francisco (SFO) 3
LX 3257 Non-stop Boeing 737-800 (738) 2:18 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1482)
Sun 12:32 Seattle-Tacoma (SEA) 14:51 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A319 (319) 2:19 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by United Airlines.(UA 1482)
Mon,Tue,Thu,Sun 12:35 Seattle-Tacoma (SEA) 14:53 San Francisco (SFO) 3
LX 3257 Non-stop Boeing 737 MAX 8 (7M8) 2:18 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 1049)
Mon-Wed,Sat,Sun 12:35 Seattle-Tacoma (SEA) 14:53 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A319 (319) 2:18 Effective 2026-01-06 through 2026-01-19
Codeshare flight, operated by United Airlines.(UA 1482)
Thu,Fri 12:35 Seattle-Tacoma (SEA) 14:53 San Francisco (SFO) 3
LX 3257 Non-stop Boeing 737 MAX 9 (7M9) 2:18 Effective 2026-01-08 through 2026-02-06
Codeshare flight, operated by United Airlines.(UA 1482)
Wed 12:35 Seattle-Tacoma (SEA) 14:53 San Francisco (SFO) 3
LX 3257 Non-stop Boeing 737 MAX 8 (7M8) 2:18 Effective 2026-01-21 through 2026-01-28
Codeshare flight, operated by United Airlines.(UA 1049)
Mon,Tue,Sat,Sun 12:35 Seattle-Tacoma (SEA) 14:53 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A319 (319) 2:18 Effective 2026-01-24 through 2026-02-10
Codeshare flight, operated by United Airlines.(UA 1482)
Wed 12:35 Seattle-Tacoma (SEA) 14:53 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A319 (319) 2:18 Operates only on 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1482)
Thu-Sat 12:36 Seattle-Tacoma (SEA) 14:55 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A319 (319) 2:19 Effective 2026-03-05 through 2026-03-07
Codeshare flight, operated by United Airlines.(UA 1482)
Sat 12:36 Seattle-Tacoma (SEA) 14:55 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A319 (319) 2:19 Operates only on 2026-03-28
Codeshare flight, operated by United Airlines.(UA 1482)
Wed 13:17 Seattle-Tacoma (SEA) 15:35 San Francisco (SFO) 3
LX 3257 Non-stop Boeing 737 MAX 8 (7M8) 2:18 Operates only on 2026-02-04
Codeshare flight, operated by United Airlines.(UA 1482)
Mon,Wed-Sun 13:20 Seattle-Tacoma (SEA) 15:38 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A320 (320) 2:18 Effective 2026-05-21 through 2026-06-01
Codeshare flight, operated by United Airlines.(UA 2281)
Daily 13:20 Seattle-Tacoma (SEA) 15:38 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A320 (320) 2:18 Effective 2026-06-02 through 2026-08-09
Codeshare flight, operated by United Airlines.(UA 2281)
Daily 13:20 Seattle-Tacoma (SEA) 15:38 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A320 (320) 2:18 Effective 2026-08-11 through 2026-10-05
Codeshare flight, operated by United Airlines.(UA 2281)
Mon,Wed-Sun 13:20 Seattle-Tacoma (SEA) 15:38 San Francisco (SFO) 3
LX 3257 Non-stop Airbus A320 (320) 2:18 Effective 2026-10-07 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 2281)
Sat 13:35 Seattle-Tacoma (SEA) 15:52 San Francisco (SFO) 3
LX 3257 Non-stop Boeing 737-900 (739) 2:17 Valid until 2026-01-03
Codeshare flight, operated by United Airlines.(UA 1482)
Mon,Wed,Fri 13:35 Seattle-Tacoma (SEA) 15:52 San Francisco (SFO) 3
LX 3257 Non-stop Boeing 737-800 (738) 2:17 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1482)
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Swiss flight LX 3257:
Seattle-Tacoma - San Francisco
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Swiss LX3257
12:32
Seattle-Tacoma (SEA)

14:50
San Francisco (SFO) 3
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:18, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Swiss LX3257
12:32
Seattle-Tacoma (SEA)

14:51
San Francisco (SFO) 3
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:19, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Swiss LX3257
12:35
Seattle-Tacoma (SEA)

14:53
San Francisco (SFO) 3
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1049)
Duration: 2:18, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Swiss LX3257
12:35
Seattle-Tacoma (SEA)

14:53
San Francisco (SFO) 3
Effective 2026-01-06 through 2026-01-19
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:18, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Swiss LX3257
12:35
Seattle-Tacoma (SEA)

14:53
San Francisco (SFO) 3
Effective 2026-01-08 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:18, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Swiss LX3257
12:35
Seattle-Tacoma (SEA)

14:53
San Francisco (SFO) 3
Effective 2026-01-21 through 2026-01-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1049)
Duration: 2:18, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Swiss LX3257
12:35
Seattle-Tacoma (SEA)

14:53
San Francisco (SFO) 3
Effective 2026-01-24 through 2026-02-10
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:18, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Swiss LX3257
12:35
Seattle-Tacoma (SEA)

14:53
San Francisco (SFO) 3
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:18, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Swiss LX3257
12:36
Seattle-Tacoma (SEA)

14:55
San Francisco (SFO) 3
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:19, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Swiss LX3257
12:36
Seattle-Tacoma (SEA)

14:55
San Francisco (SFO) 3
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:19, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Swiss LX3257
13:17
Seattle-Tacoma (SEA)

15:35
San Francisco (SFO) 3
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:18, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Swiss LX3257
13:20
Seattle-Tacoma (SEA)

15:38
San Francisco (SFO) 3
Effective 2026-05-21 through 2026-06-01
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2281)
Duration: 2:18, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX3257
13:20
Seattle-Tacoma (SEA)

15:38
San Francisco (SFO) 3
Effective 2026-06-02 through 2026-08-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2281)
Duration: 2:18, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX3257
13:20
Seattle-Tacoma (SEA)

15:38
San Francisco (SFO) 3
Effective 2026-08-11 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2281)
Duration: 2:18, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX3257
13:20
Seattle-Tacoma (SEA)

15:38
San Francisco (SFO) 3
Effective 2026-10-07 through 2026-10-24
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2281)
Duration: 2:18, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Swiss LX3257
13:35
Seattle-Tacoma (SEA)

15:52
San Francisco (SFO) 3
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:17, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Swiss LX3257
13:35
Seattle-Tacoma (SEA)

15:52
San Francisco (SFO) 3
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 2:17, non-stop
Boeing 737-800 (738)
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Parallax here SEA-SFO
  • LX 3257 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at San Francisco airport (SFO).
  • The flight distance is 679 miles, or 1092 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:17 and 2:19.
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