Houston (IAH) to San Jose (SJO) flights
One airline flies nonstop from Houston (IAH) to San Jose (SJO): United Airlines. The two airports are 1,557 miles (2,505 km) apart. United Airlines is in Star Alliance. There are also 21 ways to fly it with one stop, through Managua, Guanacaste and Cancun and more.
Airlines flying nonstop from IAH to SJO
- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to SJO 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
IAH to SJO with one stop
21 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Managua (MGA)United Airlines, then Copa Airlines and SANSA

RZ - Via Guanacaste (LIR)United Airlines, then SANSA
RZ - Via Cancun (CUN)United Airlines and Frontier Airlines, then Volaris Costa Rica and Volaris

Q6
- Via San Salvador (SAL)AVIANCA the whole way

N3+1
- Via Guatemala City (GUA)United Airlines and Frontier Airlines, then AVIANCA and Copa Airlines




- Via Austin (AUS)United Airlines, then Southwest Airlines


- Via Monterrey (MTY)VivaAerobus the whole way



- Via Mexico City (MEX)Aeromexico the whole way

+1

Q6 - Via Dallas (DFW)American Airlines the whole way




- Via Tampa (TPA)United Airlines and Frontier Airlines, then Breeze Airways



- Via Miami (MIA)American Airlines the whole way





- Via Fort Lauderdale (FLL)JetBlue Airways the whole way




- Via Panama City (PTY)United Airlines, then AVIANCA and Copa Airlines



- Via Orlando (MCO)Frontier Airlines the whole way



Q6 - Via Guadalajara (GDL)United Airlines, VivaAerobus and 1 more, then Volaris Costa Rica


Q6
IAH to SJO: common questions
Which airlines fly nonstop from IAH to SJO?
United Airlines (Star Alliance) flies nonstop from Houston (IAH) to San Jose (SJO).
How far is Houston from San Jose by plane?
Houston (IAH) and San Jose (SJO) are 1,557 miles (2,505 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAH to SJO 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 IAH to SJO cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to SJO with taxes and fees.
Where can I connect between Houston and San Jose?
The most direct connections are through Managua (MGA), Guanacaste (LIR), Cancun (CUN), San Salvador (SAL) and Guatemala City (GUA). On 9 of them the same airline flies both flights, for example AVIANCA through San Salvador.
More routes
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.