All airlines flying from San Francisco (SFO) to Guanacaste (LIR).

FLIGHT SCHEDULE
Direct Flights:
Sat 07:00 San Francisco (SFO) 1 14:22 Guanacaste (LIR) Alaska Airlines AS 456 Non-stop Boeing 737 MAX 8 (7M8) 6:22 Effective 2026-03-21 through 2026-05-09
Sat 08:25 San Francisco (SFO) 1 15:34 Guanacaste (LIR) Alaska Airlines AS 457 Non-stop Boeing 737 MAX 9 (7M9) 6:09 Operates only on 2026-03-14
Sat 08:45 San Francisco (SFO) 1 17:01 Guanacaste (LIR) Alaska Airlines AS 457 Non-stop Boeing 737 MAX 9 (7M9) 6:16 Effective 2026-01-10 through 2026-02-07
Sun 08:55 San Francisco (SFO) 1 17:13 Guanacaste (LIR) Alaska Airlines AS 457 Non-stop Boeing 737 MAX 9 (7M9) 6:18 Valid until 2026-01-04
Sat 11:00 San Francisco (SFO) 1 19:09 Guanacaste (LIR) Alaska Airlines AS 457 Non-stop Boeing 737 MAX 8 (7M8) 6:09 Effective 2026-02-14 through 2026-03-07
Sat 12:13 San Francisco (SFO) 1 20:31 Guanacaste (LIR) Alaska Airlines AS 463 Non-stop Boeing 737 MAX 8 (7M8) 6:18 Valid until 2026-01-03
Fri,Sat 11:15 San Francisco (SFO) 19:31 Guanacaste (LIR) United Airlines UA 2139 Non-stop Boeing 737 MAX 8 (7M8) 6:16 Valid until 2026-01-03
Sat 11:15 San Francisco (SFO) 19:31 Guanacaste (LIR) United Airlines UA 2139 Non-stop Boeing 737 MAX 8 (7M8) 6:16 Effective 2026-01-10 through 2026-03-07
Sat 11:15 San Francisco (SFO) 18:31 Guanacaste (LIR) United Airlines UA 2139 Non-stop Boeing 737 MAX 8 (7M8) 6:16 Effective 2026-03-14 through 2026-03-28
Fri,Sat 11:20 San Francisco (SFO) 18:43 Guanacaste (LIR) United Airlines UA 2139 Non-stop Boeing 737-800 (738) 6:23 Effective 2026-04-03 through 2026-04-25
Fri,Sat 11:20 San Francisco (SFO) 18:43 Guanacaste (LIR) United Airlines UA 2139 Non-stop Boeing 737-800 (738) 6:23 Effective 2026-05-22 through 2026-08-08

An international route departing from San Francisco airport, United States (SFO) and arriving at Guanacaste airport, Costa Rica (LIR).
The flight distance is 2945 miles, or 4740 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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 6:09 and 6:23.

Return (LIR-SFO) flights

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All airlines flying from San Francisco (SFO) to Guanacaste (LIR).

FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS456

07:00

San Francisco (SFO) 1

14:22

Guanacaste (LIR)

Effective 2026-03-21 through 2026-05-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:22, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS457

08:25

San Francisco (SFO) 1

15:34

Guanacaste (LIR)

Operates only on 2026-03-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:09, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS457

08:45

San Francisco (SFO) 1

17:01

Guanacaste (LIR)

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:16, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS457

08:55

San Francisco (SFO) 1

17:13

Guanacaste (LIR)

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:18, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS457

11:00

San Francisco (SFO) 1

19:09

Guanacaste (LIR)

Effective 2026-02-14 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:09, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS463

12:13

San Francisco (SFO) 1

20:31

Guanacaste (LIR)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:18, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA2139

11:15

San Francisco (SFO)

19:31

Guanacaste (LIR)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 6:16, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA2139

11:15

San Francisco (SFO)

19:31

Guanacaste (LIR)

Effective 2026-01-10 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:16, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA2139

11:15

San Francisco (SFO)

18:31

Guanacaste (LIR)

Effective 2026-03-14 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:16, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA2139

11:20

San Francisco (SFO)

18:43

Guanacaste (LIR)

Effective 2026-04-03 through 2026-04-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 6:23, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2139

11:20

San Francisco (SFO)

18:43

Guanacaste (LIR)

Effective 2026-05-22 through 2026-08-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 6:23, non-stop
Boeing 737-800 (738)

An international route departing from San Francisco airport, United States (SFO) and arriving at Guanacaste airport, Costa Rica (LIR).
The flight distance is 2945 miles, or 4740 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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 6:09 and 6:23.

Return (LIR-SFO) flights

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