Home / Flights / IAH to SJU
IAH SJU · 2,006 mi · 4h 30m

Houston (Bush) to San Juan Flights

Everything you need to know about the IAH → SJU international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.

$300-$790 round trip · 3+ daily flights · Updated March 2026


✈️ Route Overview

Key facts for the Houston (Bush) to San Juan route

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Distance
2,006 miles (3,228 km)
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Avg Flight Time
4h 30m
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Timezone Change
+1 hour
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Daily Flights
3+
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Typical Fare
$300-$790 round trip
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Red-Eye Available
No overnight flights on this route

🛫 Airlines on This Route

Carriers operating IAH → SJU flights

Airline Notes
American Airlines AAdvantage frequent flyer program
Delta SkyMiles frequent flyer program
United MileagePlus frequent flyer program
JetBlue TrueBlue — free snacks, above-average legroom
Caribbean Airlines Operates this route
Cayman Airways Operates this route

💡 Booking Tips

How to get the best deal on Houston (Bush) to San Juan flights

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Best Days to Fly

Midweek departures (Tuesday–Thursday) are generally least expensive

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Fare Range

$300-$790 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.

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Red-Eye Flights

✗ Not available

No overnight options on this route — plan for daytime travel.

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Track Your Flight

Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.


🧳 Travel Tips for This Route

Practical advice from frequent travelers on the IAH → SJU route

  • 1 Arrive at least 3 hours before departure for international check-in.
  • 2 Premium Economy offers a meaningful upgrade over Economy on 7–9 hour flights.


📱 Real-Time Flight Tracking

Track Your IAH → SJU Flight — Automatically

TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.


Frequently Asked Questions — Houston (Bush) to San Juan Flights

How long is the flight from Houston (Bush) to San Juan?

The average flight time from Houston (Bush) (IAH) to San Juan (SJU) is 4h 30m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.

Which airlines fly from Houston (Bush) to San Juan?

Airlines operating the IAH to SJU route include American Airlines, Delta, United and 3 more. Check each airline's website for current schedules and availability.

How far is Houston (Bush) from San Juan?

The great-circle distance from Houston (Bush) to San Juan is 2,006 miles (3,228 km). This is the straight-line distance — actual flight paths may be slightly longer.

What are the cheapest days to fly from Houston (Bush) to San Juan?

Midweek departures (Tuesday–Thursday) are generally least expensive. Fares on this route typically range $300-$790 round trip.

Is there a time zone change flying from Houston (Bush) to San Juan?

Yes — there is a +1 hour when flying from Houston (Bush) to San Juan. TripTrack automatically shows local times for both your departure and arrival airports.

Are there red-eye flights from Houston (Bush) to San Juan?

No, there are currently no overnight (red-eye) flights on the IAH to SJU route. All flights operate during daytime hours.

How can I track my Houston (Bush) to San Juan flight in real time?

TripTrack automatically tracks your IAH to SJU flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.