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

View $65 flight on Mon, Jan 26, 2026Opens in a new window

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

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

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
Tue, Jan 27 - Thu, Jan 29
IAH
Houston
SAN
San Diego
$130 Roundtrip, found 1 hour ago
$130
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Jan 27 from Houston to San Diego, returning Thu, Jan 29, priced at $130 found 1 hour ago
Frontier Airlines
Wed, Jan 21 - Fri, Jan 23
IAH
Houston
SAN
San Diego
$134 Roundtrip, found 1 hour ago
$134
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jan 21 from Houston to San Diego, returning Fri, Jan 23, priced at $134 found 1 hour ago
Frontier Airlines
Wed, Jan 21 - Fri, Jan 23
IAH
Houston
SAN
San Diego
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jan 21 from Houston to San Diego, returning Fri, Jan 23, priced at $137 found 1 hour ago
Frontier Airlines
Sun, Jan 11 - Tue, Jan 13
IAH
Houston
SAN
San Diego
$141 Roundtrip, found 1 hour ago
$141
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jan 11 from Houston to San Diego, returning Tue, Jan 13, priced at $141 found 1 hour ago
Frontier Airlines
Mon, Dec 15 - Wed, Dec 17
IAH
Houston
SAN
San Diego
$144 Roundtrip, found 1 hour ago
$144
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Dec 15 from Houston to San Diego, returning Wed, Dec 17, priced at $144 found 1 hour ago
Frontier Airlines
Sun, Jan 25 - Fri, Jan 30
IAH
Houston
SAN
San Diego
$148 Roundtrip, found 7 hours ago
$148
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sun, Jan 25 from Houston to San Diego, returning Fri, Jan 30, priced at $148 found 7 hours ago
Alaska Airlines
Tue, Jan 13 - Wed, Jan 14
IAH
Houston
SAN
San Diego
$313 Roundtrip, found 3 hours ago
$313
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Houston to San Diego, returning Wed, Jan 14, priced at $313 found 3 hours ago
Delta
Sat, Feb 14 - Wed, Feb 18
IAH
Houston
SAN
San Diego
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Feb 14 from Houston to San Diego, returning Wed, Feb 18, priced at $349 found 2 days ago
Hawaiian Airlines
Wed, Feb 18 - Sat, Feb 21
IAH
Houston
SAN
San Diego
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Feb 18 from Houston to San Diego, returning Sat, Feb 21, priced at $366 found 2 days ago
United
Tue, Dec 30 - Tue, Jan 6
IAH
Houston
SAN
San Diego
$371 Roundtrip, found 5 hours ago
$371
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Dec 30 from Houston to San Diego, returning Tue, Jan 6, priced at $371 found 5 hours ago

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

February is typically the cheapest month to fly

From $87 - $449 per traveler.

Alternative airports near San Diego

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

Select flight to General Abelardo L. Rodriguez Intl. TIJ. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $386
TIJ
General Abelardo L. Rodriguez Intl.
Cheapest
Average driving time to city center26 min
Flights from $386
Select flight to McClellan-Palomar CLD. Average driving time to city center is 38 minutes. Flights from $530
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $530

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN) cost?
Secure a cheap one-way flight from $65 or cheap return flight from $130 from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
January is the most affordable month to fly from IAH to SAN. Traveling during an off-peak travel window is often the key to better flight prices.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
When heading out of George Bush Intercontinental Airport (IAH), you can jump on a direct flight to San Diego Intl. Airport (SAN) with United Airlines.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAH to SAN flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
When taking off from George Bush Intercontinental Airport (IAH), you'll have a choice from an average of 4 daily nonstop flights to San Diego Intl. Airport (SAN).
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
The 12 PM departures from IAH to SAN are the most sought after. Greater demand means you'll likely pay more for these departures. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from IAH to SAN?
If you depart on a Saturday, you'll get the largest range of choices for flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
Hop on the earliest flight at around 9:30AM UTC-6, leaving from George Bush Intercontinental Airport (IAH). You'll be in the air for about 3h 37m, arriving at San Diego Intl. Airport (SAN) at approximately 11:07AM UTC-8.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
The average flight time from IAH to SAN is 3 hours and 39 minutes, covering a distance of 1,300 mi.
What airline has the least delays from IAH to SAN?
With 86% of flights generally landing on time, United Airlines has the best on-time performance for direct flights from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN). To keep track of your flight status and get notifications if anything changes, head to the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
Select a flight from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN) 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 San Diego from George Bush Intercontinental Airport (IAH)?
Explore your flight options from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN). This is the only airport in San Diego you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN) last-minute?
Booking your plane ticket from IAH to SAN just before your getaway is typically more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an IAH to SAN flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAH to SAN flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress out of planning your trip. Just pick your flights and select from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to San Diego Intl. Airport (SAN)?
If you reserved your IAH to SAN flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Roundtrip price
$130
Distance
1300 mi
Average flight time
3 hours 36 mins

Book with confidence

Houston to San Diego Flights

The cheapest times to fly from Houston to San Diego

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 Houston to San Diego are during the month of January. You can find some of the cheapest flights from Houston to San Diego with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Houston to San Diego: 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 Houston to San Diego

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 Houston to San Diego 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 Houston to San Diego 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 Houston to San Diego 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.

 

Houston to San Diego Flights

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*Available to One Key members.