Costa Rica to United States · 1,480 miles (2,382 km)

Guanacaste (LIR) to Houston (IAH) flights

One airline flies nonstop from Guanacaste (LIR) to Houston (IAH): United Airlines. The two airports are 1,480 miles (2,382 km) apart. United Airlines is in Star Alliance. There are also 7 ways to fly it with one stop, through San Jose, Dallas and Miami and more.

See award prices Filter in Routes

Airlines flying nonstop from LIR to IAH

United AirlinesStar Alliance · bookable with 13 programsWho books it

Book LIR to IAH with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

Air Canada AeroplanBooks United Airlines
Air New Zealand AirpointsBooks United Airlines
ANA Mileage ClubBooks United Airlines
Avianca LifeMilesBooks United Airlines
Emirates SkywardsBooks United Airlines
EVA Air Infinity MileageLandsBooks United Airlines
JetBlue TrueBlueBooks United Airlines
Lufthansa Miles & MoreBooks United Airlines
Singapore Airlines KrisFlyerBooks United Airlines
TAP Miles&GoBooks United Airlines
Thai Royal Orchid PlusBooks United Airlines
Turkish Airlines Miles&SmilesBooks United Airlines
United MileagePlusBooks United Airlines

LIR to IAH with one stop

7 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

Via San Jose (SJO)SANSA, then United Airlines
RZ
Via Dallas (DFW)American Airlines the whole way
Via Miami (MIA)American Airlines the whole way
Via Fort Lauderdale (FLL)JetBlue Airways the whole way
Via Atlanta (ATL)Delta Air Lines the whole way
Via Nashville (BNA)Southwest Airlines, then United Airlines
Via Charlotte (CLT)American Airlines the whole way

LIR to IAH: common questions

Which airlines fly nonstop from LIR to IAH?

United Airlines (Star Alliance) flies nonstop from Guanacaste (LIR) to Houston (IAH).

How far is Guanacaste from Houston by plane?

Guanacaste (LIR) and Houston (IAH) are 1,480 miles (2,382 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book LIR to IAH award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does LIR to IAH cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LIR to IAH with taxes and fees.

Where can I connect between Guanacaste and Houston?

The most direct connections are through San Jose (SJO), Dallas (DFW), Miami (MIA), Fort Lauderdale (FLL) and Atlanta (ATL). On 5 of them the same airline flies both flights, for example American Airlines through Dallas.

More routes

IAH to LIR Every nonstop from LIR Every nonstop from IAH

LIR to Chicago ORD LIR to Dallas DFW LIR to Atlanta ATL LIR to Denver DEN LIR to Zurich ZRH LIR to New York EWR LIR to Charlotte CLT LIR to Miami MIA LIR to Toronto YYZ LIR to New York JFK LIR to Los Angeles LAX LIR to Dulles IAD

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.