All airlines flying from Houston George Bush (IAH) to Guanacaste (LIR).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:36 Houston George Bush (IAH) C 13:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Valid until 2026-01-09
Sat 09:36 Houston George Bush (IAH) C 13:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-900 (739) 3:34 Effective 2026-01-10 through 2026-02-07
Mon-Fri,Sun 09:36 Houston George Bush (IAH) C 13:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Effective 2026-01-11 through 2026-02-11
Daily 09:36 Houston George Bush (IAH) C 13:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-900 (739) 3:34 Effective 2026-02-12 through 2026-03-04
Thu,Fri 09:36 Houston George Bush (IAH) C 13:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Effective 2026-03-05 through 2026-03-06
Sat 09:36 Houston George Bush (IAH) C 13:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-800 (738) 3:34 Operates only on 2026-03-07
Mon,Wed-Fri,Sun 09:36 Houston George Bush (IAH) C 12:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Effective 2026-03-08 through 2026-03-27
Tue 09:36 Houston George Bush (IAH) C 12:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-900 (739) 3:34 Effective 2026-03-10 through 2026-03-24
Sat 09:36 Houston George Bush (IAH) C 12:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-800 (738) 3:34 Effective 2026-03-14 through 2026-03-28
Daily 09:36 Houston George Bush (IAH) C 12:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-800 (738) 3:34 Effective from 2026-10-25
Daily 09:38 Houston George Bush (IAH) C 12:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-900 (739) 3:32 Effective 2026-08-18 through 2026-10-24
Daily 09:42 Houston George Bush (IAH) C 12:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-800 (738) 3:28 Effective 2026-03-29 through 2026-05-21
Daily 09:42 Houston George Bush (IAH) C 12:10 Guanacaste (LIR)
United Airlines UA 1512 Non-stop Boeing 737-900 (739) 3:28 Effective 2026-05-22 through 2026-08-17
Mon,Thu-Sun 11:55 Houston George Bush (IAH) C 14:23 Guanacaste (LIR)
United Airlines UA 1737 Non-stop Boeing 737-800 (738) 3:28 Effective 2026-03-29 through 2026-05-25
Daily 11:55 Houston George Bush (IAH) C 14:23 Guanacaste (LIR)
United Airlines UA 1737 Non-stop Boeing 737-800 (738) 3:28 Effective 2026-05-26 through 2026-08-10
Daily 15:05 Houston George Bush (IAH) C 18:37 Guanacaste (LIR)
United Airlines UA 1737 Non-stop Boeing 737-800 (738) 3:32 Valid until 2026-02-02
Daily 15:05 Houston George Bush (IAH) C 18:37 Guanacaste (LIR)
United Airlines UA 1737 Non-stop Boeing 737-800 (738) 3:32 Effective 2026-02-04 through 2026-03-07
Daily 15:05 Houston George Bush (IAH) C 17:37 Guanacaste (LIR)
United Airlines UA 1737 Non-stop Boeing 737-800 (738) 3:32 Effective 2026-03-08 through 2026-03-28
Mon-Fri,Sun 15:05 Houston George Bush (IAH) C 17:37 Guanacaste (LIR)
United Airlines UA 1737 Non-stop Boeing 737-800 (738) 3:32 Effective from 2026-10-25
Daily 07:32 Houston George Bush (IAH) C 10:00 Guanacaste (LIR)
United Airlines UA 2009 Non-stop Boeing 737-800 (738) 3:28 Effective 2026-05-21 through 2026-08-10
Sat 07:35 Houston George Bush (IAH) C 10:05 Guanacaste (LIR)
United Airlines UA 2009 Non-stop Boeing 737 MAX 9 (7M9) 3:30 Effective 2026-03-14 through 2026-03-28
Sat 07:39 Houston George Bush (IAH) C 11:09 Guanacaste (LIR)
United Airlines UA 2009 Non-stop Boeing 737-900 (739) 3:30 Valid until 2026-01-03
Sat 07:39 Houston George Bush (IAH) C 11:09 Guanacaste (LIR)
United Airlines UA 2009 Non-stop Boeing 737 MAX 9 (7M9) 3:30 Operates only on 2026-03-07
Mon-Fri,Sun 07:54 Houston George Bush (IAH) C 11:24 Guanacaste (LIR)
United Airlines UA 2009 Non-stop Boeing 737-900 (739) 3:30 Valid until 2026-01-05
Thu,Fri 07:54 Houston George Bush (IAH) C 11:24 Guanacaste (LIR)
United Airlines UA 2009 Non-stop Boeing 737 MAX 9 (7M9) 3:30 Effective 2026-03-05 through 2026-03-06
Mon,Thu,Fri,Sun 07:54 Houston George Bush (IAH) C 10:24 Guanacaste (LIR)
United Airlines UA 2009 Non-stop Boeing 737 MAX 9 (7M9) 3:30 Effective 2026-03-08 through 2026-03-27


All airlines flying from Houston George Bush (IAH) to Guanacaste (LIR).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Valid until 2026-01-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:34, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-11 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:34, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:34, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-08 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:34, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:34, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:34, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-08-18 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:32, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-29 through 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-05-22 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-29 through 2026-05-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-05-26 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-800 (738)

Direct Flights:

Valid until 2026-02-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:32, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-02-04 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:32, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:32, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:32, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:30, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:30, non-stop
Boeing 737-900 (739)

Direct Flights:

Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:30, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-08 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737 MAX 9 (7M9)
  • An international route departing from Houston George Bush airport, United States (IAH) and arriving at Guanacaste airport, Costa Rica (LIR).
  • The flight distance is 1480 miles, or 2382 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 3:28 and 3:34.