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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 11:15 Guanacaste (LIR) 15:58 Houston George Bush (IAH) E
United Airlines UA 401 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2026-03-14 through 2026-03-28
Mon,Thu,Fri,Sun 11:35 Guanacaste (LIR) 16:18 Houston George Bush (IAH) E
United Airlines UA 401 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2026-03-08 through 2026-03-27
Sat 12:15 Guanacaste (LIR) 15:58 Houston George Bush (IAH) E
United Airlines UA 401 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Operates only on 2026-03-07
Thu,Fri 12:35 Guanacaste (LIR) 16:18 Houston George Bush (IAH) E
United Airlines UA 401 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2026-03-05 through 2026-03-06
Mon,Thu-Sun 15:25 Guanacaste (LIR) 20:05 Houston George Bush (IAH) E
United Airlines UA 401 Non-stop Boeing 737-800 (738) 3:40 Effective 2026-03-29 through 2026-05-25
Daily 15:25 Guanacaste (LIR) 20:05 Houston George Bush (IAH) E
United Airlines UA 401 Non-stop Boeing 737-800 (738) 3:40 Effective 2026-05-26 through 2026-08-10
Daily 15:50 Guanacaste (LIR) 19:33 Houston George Bush (IAH) E
United Airlines UA 401 Non-stop Boeing 737-900 (739) 3:43 Valid until 2026-01-05
Daily 11:05 Guanacaste (LIR) 15:47 Houston George Bush (IAH) E
United Airlines UA 1036 Non-stop Boeing 737-800 (738) 3:42 Effective 2026-05-21 through 2026-08-10
Daily 07:35 Guanacaste (LIR) 12:18 Houston George Bush (IAH) E
United Airlines UA 1265 Non-stop Boeing 737-800 (738) 3:43 Effective 2026-03-08 through 2026-03-28
Mon-Sat 07:35 Guanacaste (LIR) 12:18 Houston George Bush (IAH) E
United Airlines UA 1265 Non-stop Boeing 737-800 (738) 3:43 Effective from 2026-10-26
Daily 08:35 Guanacaste (LIR) 12:18 Houston George Bush (IAH) E
United Airlines UA 1265 Non-stop Boeing 737-800 (738) 3:43 Valid until 2026-02-03
Daily 08:35 Guanacaste (LIR) 12:18 Houston George Bush (IAH) E
United Airlines UA 1265 Non-stop Boeing 737-800 (738) 3:43 Effective 2026-02-05 through 2026-03-07
Sun 10:00 Guanacaste (LIR) 14:42 Houston George Bush (IAH) E
United Airlines UA 1265 Non-stop Boeing 737-800 (738) 3:42 Operates only on 2026-03-29
Mon,Wed-Fri,Sun 13:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2026-03-08 through 2026-03-27
Tue 13:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-900 (739) 3:43 Effective 2026-03-10 through 2026-03-24
Sat 13:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-800 (738) 3:43 Effective 2026-03-14 through 2026-03-28
Daily 13:20 Guanacaste (LIR) 18:02 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-800 (738) 3:42 Effective 2026-03-29 through 2026-05-21
Daily 13:20 Guanacaste (LIR) 18:02 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-900 (739) 3:42 Effective 2026-05-22 through 2026-08-17
Daily 13:20 Guanacaste (LIR) 17:58 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-08-18 through 2026-10-24
Daily 13:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-800 (738) 3:43 Effective from 2026-10-25
Daily 14:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Valid until 2026-01-09
Sat 14:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-900 (739) 3:43 Effective 2026-01-10 through 2026-02-07
Mon-Fri,Sun 14:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2026-01-11 through 2026-02-11
Daily 14:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-900 (739) 3:43 Effective 2026-02-12 through 2026-03-04
Thu,Fri 14:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737 MAX 9 (7M9) 3:43 Effective 2026-03-05 through 2026-03-06
Sat 14:20 Guanacaste (LIR) 18:03 Houston George Bush (IAH) E
United Airlines UA 1516 Non-stop Boeing 737-800 (738) 3:43 Operates only on 2026-03-07


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

Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:43, 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: 3:43, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:43, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:43, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-29 through 2026-05-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:40, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-05-26 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:40, non-stop
Boeing 737-800 (738)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:42, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective from 2026-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:43, non-stop
Boeing 737-800 (738)

Direct Flights:

Valid until 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-02-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-800 (738)

Direct Flights:

Operates only on 2026-03-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:42, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-08 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:43, 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: 3:43, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:43, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-29 through 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:42, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-05-22 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:42, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-08-18 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:38, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-800 (738)

Direct Flights:

Valid until 2026-01-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, 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: 3:43, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-11 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:43, 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: 3:43, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:43, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:43, non-stop
Boeing 737-800 (738)
  • An international route departing from Guanacaste airport, Costa Rica (LIR) and arriving at Houston George Bush airport, United States (IAH).
  • 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 3:38 and 3:43.