Airlines with flights from Houston to Guanacaste
There are two airlines with scheduled flights between IAH and LIR. United is the only airline with non-stop flights from Houston Airport to Daniel Oduber Quiros International and the flight time is 3 hours and 31 minutes.
Choose airline
Schedules
Non-stop with United Airlines
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Total flight time: 3 hours and 31 minutes
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Houston is a United Airlines hub.
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21 flights per week
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Boeing 737MAX 9 PassengerBoeing 737-900 PassengerBoeing 737-800 Passenger
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Business and first class available
IAH
Direct
LIR
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA2009
07:20
07:20
07:20
07:20
07:20
07:20
07:20
UA1512
09:40
09:40
09:40
09:40
09:40
09:40
09:40
UA1737
11:55
11:55
11:55
11:55
11:55
11:55
11:55
The timetable & schedule information was updated at 2026-04-21
Via Miami with American Airlines
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Total flight time: 6h 16m - 9h 05m.
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One World Alliance
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56 flights per week
IAH
Via MIA
LIR
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA1047
AA1377
AA1377
05:15
05:15
05:15
05:15
05:15
05:15
05:15
AA1347
AA1383
AA1383
07:36
07:36
07:36
07:36
07:36
07:36
07:36
The timetable & schedule information was updated at 2026-04-21
Via Dallas with American Airlines
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Total flight time: 6h 26m - 9h 45m.
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One World Alliance
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56 flights per week
IAH
Via DFW
LIR
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA2551
AA409
AA409
05:00
05:00
05:00
05:00
05:00
05:00
05:00
AA700
AA409
AA409
06:02
06:02
06:02
06:02
06:02
06:02
06:02
AA3002
AA409
AA409
07:00
07:00
07:00
07:00
07:00
07:00
07:00
The timetable & schedule information was updated at 2026-04-21

There are two airlines with scheduled flights between IAH and LIR. United is the only airline with non-stop flights from Houston Airport to Daniel Oduber Quiros International and the flight time is 3 hours and 31 minutes.