Houston (IAH) to San Juan (SJU) flights
2 airlines fly nonstop from Houston (IAH) to San Juan (SJU): Frontier Airlines and United Airlines. The two airports are 2,006 miles (3,228 km) apart. United Airlines is in Star Alliance. There are also 39 ways to fly it with one stop, through Miami, Fort Lauderdale and Punta Cana and more.
Airlines flying nonstop from IAH to SJU
- Frontier AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAH to SJU 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 SJU with one stop
39 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Miami (MIA)American Airlines and Frontier Airlines the whole way
- Via Fort Lauderdale (FLL)Frontier Airlines and JetBlue Airways the whole way
- Via Punta Cana (PUJ)United Airlines, then JetBlue Airways, Frontier Airlines and 1 more
- Via Tampa (TPA)Frontier Airlines the whole way
- Via Santo Domingo (SDQ)United Airlines, then JetBlue Airways, Frontier Airlines and 1 more
- Via Orlando (MCO)Frontier Airlines the whole way
- Via Jacksonville (JAX)United Airlines, then Frontier Airlines and JetBlue Airways
- Via Saint Thomas (STT)United Airlines, then Cape Air, JetBlue Airways and 1 more
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
- Via Austin (AUS)United Airlines, then Southwest Airlines
- Via Charlotte (CLT)American Airlines and Frontier Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Nashville (BNA)United Airlines, then Southwest Airlines
- Via Raleigh/Durham (RDU)Frontier Airlines the whole way
- Via Norfolk (ORF)United Airlines, then JetBlue Airways
IAH to SJU: common questions
Which airlines fly nonstop from IAH to SJU?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to San Juan (SJU).
How far is Houston from San Juan by plane?
Houston (IAH) and San Juan (SJU) are 2,006 miles (3,228 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 SJU 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 SJU 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 SJU with taxes and fees.
Where can I connect between Houston and San Juan?
The most direct connections are through Miami (MIA), Fort Lauderdale (FLL), Punta Cana (PUJ), Tampa (TPA) and Santo Domingo (SDQ). On 21 of them the same airline flies both flights, for example American Airlines through Miami.
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.