Direct (nonstop) flights from Houston to San Juan

1 airline flys nonstop from William P. Hobby Airport (HOU) to Luis Munoz Marin International (SJU). It's 1,997 miles (3,214 km), about 4h 25m in the air. Operated by Southwest Airlines.

HOU
William P. Hobby Airport
🇺🇸 Houston, USA
SJU
Luis Munoz Marin International
🇵🇷 San Juan, Puerto Rico
Flight Time
4h 25m
Distance
1,997 mi
3,214 km
CO₂/pax
337 kg
−27 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
+1h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
HOU → SJU
Flight Time
4h 25m
Distance
1,997 mi

Alternative Routes

Other ways to fly from Houston to San Juan with one stop · direct emits 337 kg CO₂ per passenger

HOU FLL (Fort Lauderdale) SJU
Leg 1: 2h 20m (957 mi) Leg 2: 2h 33m (1,046 mi) Total: ~4h 53m 🍃 364 kg CO₂ (+8% vs. direct)
Leg 1
HOU → FLL
2h 20m · 957 mi
View HOU to FLL flights →
Leg 2
FLL → SJU
2h 33m · 1,046 mi
View FLL to SJU flights →
HOU TPA (Tampa) SJU
Leg 1: 2h 5m (780 mi) Leg 2: 2h 55m (1,237 mi) Total: ~5h 🍃 378 kg CO₂ (+12% vs. direct)
Leg 1
HOU → TPA
2h 5m · 780 mi
View HOU to TPA flights →
Leg 2
TPA → SJU
2h 55m · 1,237 mi
View TPA to SJU flights →
HOU JAX (Jacksonville) SJU
Leg 1: 2h 5m (816 mi) Leg 2: 2h 58m (1,287 mi) Total: ~5h 3m 🍃 393 kg CO₂ (+17% vs. direct)
Leg 1
HOU → JAX
2h 5m · 816 mi
View HOU to JAX flights →
Leg 2
JAX → SJU
2h 58m · 1,287 mi
View JAX to SJU flights →
HOU MIA (Miami) SJU
Leg 1: 2h 25m (956 mi) Leg 2: 2h 39m (1,045 mi) Total: ~5h 4m 🍃 363 kg CO₂ (+8% vs. direct)
Leg 1
HOU → MIA
2h 25m · 956 mi
View HOU to MIA flights →
Leg 2
MIA → SJU
2h 39m · 1,045 mi
View MIA to SJU flights →
HOU PUJ (Punta Cana) SJU
Leg 1: 4h 10m (1,857 mi) Leg 2: 59m (155 mi) Total: ~5h 9m 🍃 368 kg CO₂ (+9% vs. direct)
Leg 1
HOU → PUJ
4h 10m · 1,857 mi
View HOU to PUJ flights →
Leg 2
PUJ → SJU
59m · 155 mi
View PUJ to SJU flights →

Frequently Asked Questions

How long is the direct flight from Houston to San Juan?

A nonstop flight from Houston (HOU) to San Juan (SJU) takes approximately 4 hours and 25 minutes. The distance is 1,997 miles (3,214 km).

Which airlines fly nonstop from Houston to San Juan?

Just Southwest Airlines.

Is there a nonstop flight from Houston to San Juan?

Yes. 1 airline: Southwest Airlines.

How far is Houston from San Juan?

The flight distance from Houston to San Juan is 1,997 miles (3,214 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 25m, 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 337 kg CO2 per passenger one-way. That's about the same as driving 1,685 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 William P. Hobby Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.