Direct (nonstop) flights from Houston to San Juan
1 airline flys nonstop from George Bush Intcntl Houston (IAH) to Luis Munoz Marin International (SJU). It's 2,007 miles (3,230 km), about 4h 26m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Houston to San Juan with one stop · direct emits 339 kg CO₂ per passenger
Looking for the return flight?
SJU → IAH: Flights from San Juan to HoustonOther direct flights from Houston
Direct flights from San Juan (SJU)
Frequently Asked Questions
How long is the direct flight from Houston to San Juan?
A nonstop flight from Houston (IAH) to San Juan (SJU) takes approximately 4 hours and 26 minutes. The distance is 2,007 miles (3,230 km).
Which airlines fly nonstop from Houston to San Juan?
Just United Airlines.
Is there a nonstop flight from Houston to San Juan?
Yes. 1 airline: United Airlines.
How far is Houston from San Juan?
The flight distance from Houston to San Juan is 2,007 miles (3,230 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Houston and San Juan?
San Juan is 1 hour ahead of Houston. (America/Chicago vs America/Puerto_Rico.)
What type of aircraft flies from Houston to San Juan?
At 4h 26m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from USA to Puerto Rico?
Depends on your passport. Check with the Puerto Rico embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Houston to San Juan?
Roughly 339 kg CO2 per passenger one-way. That's about the same as driving 1,695 km.
Is the return flight from San Juan to Houston also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Houston to San Juan?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at George Bush Intcntl Houston for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.