Home / Flights / IAH to SAN
IAH SAN · 1,301 mi · 3h 10m

Houston (Bush) to San Diego Flights

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

$80-$370 round trip · 10+ daily flights · Updated March 2026


✈️ Route Overview

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

📏
Distance
1,301 miles (2,094 km)
⏱️
Avg Flight Time
3h 10m
🕐
Timezone Change
-2 hours
✈️
Daily Flights
10+
💰
Typical Fare
$80-$370 round trip
🌙
Red-Eye Available
Yes — overnight flights available

🛫 Airlines on This Route

Carriers operating IAH → SAN flights

Airline Notes
Delta SkyMiles frequent flyer program
American Airlines AAdvantage frequent flyer program
United MileagePlus frequent flyer program
Southwest Rapid Rewards — bags fly free
Alaska Airlines Mileage Plan — generous earning rates
JetBlue TrueBlue — free snacks, above-average legroom

💡 Booking Tips

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

📅

Best Days to Fly

Midweek departures (Tuesday–Thursday) are generally least expensive

💰

Fare Range

$80-$370 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.

🌙

Red-Eye Flights

✓ Available

Overnight flights on this route can save on hotel costs and maximize your time at the destination.

📱

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 → SAN route

  • 1 Hydrate well; cabin humidity drops significantly on longer flights.
  • 2 Delta One and United Polaris offer lie-flat seats on some transcontinental routes.


📱 Real-Time Flight Tracking

Track Your IAH → SAN 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 Diego Flights

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

The average flight time from Houston (Bush) (IAH) to San Diego (SAN) is 3h 10m. 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 Diego?

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

How far is Houston (Bush) from San Diego?

The great-circle distance from Houston (Bush) to San Diego is 1,301 miles (2,094 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 Diego?

Midweek departures (Tuesday–Thursday) are generally least expensive. Fares on this route typically range $80-$370 round trip.

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

Yes — there is a -2 hours when flying from Houston (Bush) to San Diego. TripTrack automatically shows local times for both your departure and arrival airports.

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

Yes, overnight (red-eye) flights are available on the IAH to SAN route. These can be a great way to save on hotel costs and maximize time at your destination.

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

TripTrack automatically tracks your IAH to SAN 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.