$65 Cheap Flights from San Diego (SAN) to Houston (IAH)

View $65 flight on Sat, Nov 15, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)

Cheap Flights from San Diego to Houston (SAN-IAH)

Prices were available within the past 7 days and start at $65 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 13 - Wed, Nov 19
SAN
San Diego
IAH
Houston
$130 Roundtrip, just found
$130
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 13 from San Diego to Houston, returning Wed, Nov 19, priced at $130 just found
Frontier Airlines
Thu, Nov 13 - Wed, Nov 19
SAN
San Diego
IAH
Houston
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 13 from San Diego to Houston, returning Wed, Nov 19, priced at $140 just found
Frontier Airlines
Tue, Dec 9 - Mon, Dec 15
SAN
San Diego
IAH
Houston
$150 Roundtrip, just found
$150
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 9 from San Diego to Houston, returning Mon, Dec 15, priced at $150 just found
Frontier Airlines
Wed, Nov 12 - Tue, Nov 18
SAN
San Diego
IAH
Houston
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Nov 12 from San Diego to Houston, returning Tue, Nov 18, priced at $160 just found
Frontier Airlines
Fri, Nov 14 - Thu, Nov 20
SAN
San Diego
IAH
Houston
$162 Roundtrip, just found
$162
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 14 from San Diego to Houston, returning Thu, Nov 20, priced at $162 just found
Frontier Airlines
Thu, Nov 13 - Wed, Nov 19
SAN
San Diego
IAH
Houston
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 13 from San Diego to Houston, returning Wed, Nov 19, priced at $168 just found
Frontier Airlines
Tue, Dec 9 - Mon, Dec 15
SAN
San Diego
IAH
Houston
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 9 from San Diego to Houston, returning Mon, Dec 15, priced at $170 just found
Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
SAN
San Diego
IAH
Houston
$313 Roundtrip, found 4 hours ago
$313
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, Jan 8 from San Diego to Houston, returning Mon, Jan 12, priced at $313 found 4 hours ago
United
Tue, Jan 27 - Mon, Feb 2
SAN
San Diego
IAH
Houston
$371 Roundtrip, just found
$371
Roundtrip
just found
Select United flight, departing Tue, Jan 27 from San Diego to Houston, returning Mon, Feb 2, priced at $371 just found
Delta
Tue, Jan 27 - Mon, Feb 2
SAN
San Diego
IAH
Houston
$391 Roundtrip, just found
$391
Roundtrip
just found
Select Delta flight, departing Tue, Jan 27 from San Diego to Houston, returning Mon, Feb 2, priced at $391 just found

Find the cheapest month to fly from San Diego (SAN) to Houston (IAH)

February is typically the cheapest month to fly

From $87 - $451 per traveler.

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $130
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $130

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH) cost?
Lock in a cheap one-way flight from $65 or cheap return flight from $130 from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
Flying in November is a good way to save, as it's the cheapest month for flights between SAN and IAH. You'll typically find the lowest fares during the off-season.
Which airlines fly direct from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
When flying out of San Diego Intl. Airport (SAN), you can board a nonstop flight to George Bush Intercontinental Airport (IAH) with United Airlines.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SAN to IAH flight.
How many flights per day from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
Each day, an average of 4 direct flights operate from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH). Pick the departure time that fits your schedule best.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
The 8 AM departures from SAN to IAH see the highest demand. Greater demand means you'll likely pay more for these departures. If you want to save money, pick a less crowded time to fly.
What day of the week has the most flights from SAN to IAH?
Sunday has the most flights from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH). Consider leaving on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
Hop on the earliest flight at around 8:01AM UTC-8, heading out of San Diego Intl. Airport (SAN). You'll be flying for approximately 3h 12m, reaching George Bush Intercontinental Airport (IAH) at approximately 1:13PM UTC-6.
How long does it take to fly from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
Flights from SAN to IAH have an average travel time of 3 hours and 12 minutes. The distance between these two airports is 1,300 mi.
What airline has the least delays from SAN to IAH?
United Airlines has the best track record for on-time direct flights from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH), with an on-time score of 87%. Use the Expedia App to check your journey status before you head off and get real-time updates about any changes.
What is the best time to fly from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
Select a flight from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Houston from San Diego Intl. Airport (SAN)?
If you're taking a direct flight from San Diego Intl. Airport (SAN) to Houston, you can touch down at either George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your plane ticket from SAN to IAH shortly before your trip is generally more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a SAN to IAH flight and hotel package?
Securing a SAN to IAH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to George Bush Intercontinental Airport (IAH)?
If you booked your SAN to IAH flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
San Diego Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$130
Distance
1300 mi
Average flight time
6 hours 40 mins

Book with confidence

San Diego to Houston Flights

The cheapest times to fly from San Diego to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Houston are during the month of November. You can find some of the cheapest flights from San Diego to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Houston

Sunday is one of the best days to book for cheap flights from San Diego to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to Houston Flights

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*Available to One Key members.