Cheap flights from George Bush Intercontinental to Luis Muñoz Marín from $249
Updated 2026-07-21
2006 miles great-circle distance, typically flown in 4h 26m with 5 airlines operating direct service from George Bush Intercontinental (IAH) to Luis Muñoz Marín (SJU). Fares on this corridor stay relatively stable across the year — booking 4–8 weeks ahead and choosing a midweek departure typically secures the best price.
Flying from George Bush Intercontinental
Houston George Bush Intercontinental is United Airlines' second-largest hub after Newark, with five terminals and a Skytrain people mover connecting them. METRO's bus 102 runs from the airport to downtown Houston in around 50 minutes; light rail does not extend to IAH. International long-haul through Houston is heaviest to Latin America (over 30 destinations) and Europe, with Lufthansa, KLM, Air France and British Airways all operating daily and growing Middle East service via Qatar, Emirates and Turkish.
Arriving in San Juan
San Juan's Luis Muñoz Marín is the busiest airport in the Caribbean and Puerto Rico's primary international gateway. The airport is 8 km east of Old San Juan; AMA bus T5 runs from the airport, but most travellers use rideshare or taxi (~$25 to Old San Juan). US domestic-status flights (no passport required for US citizens) make San Juan one of the easiest Caribbean destinations from any US hub.
Who flies IAH to SJU?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 4h 26m | Economy |
| American Airlines | AA | 4h 26m | Economy |
| Spirit Airlines | NK | 4h 26m | Economy |
| Frontier Airlines | F9 | 4h 26m | Economy |
| Delta Air Lines | DL | 4h 26m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Houston to San Juan FAQs
Direct flights from George Bush Intercontinental (IAH) to Luis Muñoz Marín (SJU) take approximately 4h 26m for the 2006-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
5 carriers operate direct service from George Bush Intercontinental (IAH) to Luis Muñoz Marín (SJU): United Airlines, American Airlines, Spirit Airlines, Frontier Airlines and Delta Air Lines. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No — Puerto Rico is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Luis Muñoz Marín (SJU) is the primary international airport for San Juan. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.