$71 Cheap Flights from San Diego (SAN) to Houston (HOU)

View $71 flight on Wed, Jul 23, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Houston William Hobby Airport (HOU)

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

Prices were available within the past 7 days and start at $71 for one-way flights and $163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Jul 23 - Sat, Jul 26
SAN
San Diego
IAH
Houston
$163 Roundtrip, found 4 hours ago
$163
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Wed, Jul 23 from San Diego to Houston, returning Sat, Jul 26, priced at $163 found 4 hours ago
Spirit Airlines
Tue, Jul 15 - Thu, Aug 21
SAN
San Diego
IAH
Houston
$164 Roundtrip, found 4 days ago
$164
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Tue, Jul 15 from San Diego to Houston, returning Thu, Aug 21, priced at $164 found 4 days ago
Spirit Airlines
Tue, Jul 22 - Mon, Aug 4
SAN
San Diego
IAH
Houston
$169 Roundtrip, found 14 hours ago
$169
Roundtrip
found 14 hours ago
Select Spirit Airlines flight, departing Tue, Jul 22 from San Diego to Houston, returning Mon, Aug 4, priced at $169 found 14 hours ago
Spirit Airlines
Wed, Jul 16 - Thu, Aug 7
SAN
San Diego
IAH
Houston
$170 Roundtrip, found 3 days ago
$170
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Wed, Jul 16 from San Diego to Houston, returning Thu, Aug 7, priced at $170 found 3 days ago
Spirit Airlines
Fri, Jul 25 - Tue, Jul 29
SAN
San Diego
IAH
Houston
$174 Roundtrip, found 2 hours ago
$174
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Fri, Jul 25 from San Diego to Houston, returning Tue, Jul 29, priced at $174 found 2 hours ago
Spirit Airlines
Tue, Jul 29 - Sat, Aug 2
SAN
San Diego
IAH
Houston
$174 Roundtrip, found 2 hours ago
$174
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Tue, Jul 29 from San Diego to Houston, returning Sat, Aug 2, priced at $174 found 2 hours ago
United
Thu, Oct 2 - Tue, Oct 7
SAN
San Diego
IAH
Houston
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Thu, Oct 2 from San Diego to Houston, returning Tue, Oct 7, priced at $197 just found
Southwest Airlines
Thu, Oct 9 - Mon, Oct 13
SAN
San Diego
HOU
Houston
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Oct 9 from San Diego to Houston, returning Mon, Oct 13, priced at $197 just found
American Airlines
Thu, Aug 7 - Sat, Aug 9
SAN
San Diego
IAH
Houston
$202 Roundtrip, found 1 hour ago
$202
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Aug 7 from San Diego to Houston, returning Sat, Aug 9, priced at $202 found 1 hour ago
Frontier Airlines
Thu, Sep 4 - Tue, Sep 9
SAN
San Diego
IAH
Houston
$203 Roundtrip, just found
$203
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 4 from San Diego to Houston, returning Tue, Sep 9, priced at $203 just found

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

August is typically the cheapest month to fly

From $71 - $344 per traveler.

Graph displaying average flight prices per month

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 $210
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $210
Flights from San Diego (SAN) to Houston (IAH)
Origin airport
San Diego Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$163
Distance
1300 mi
Average flight time
6 hours 45 mins

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 July. 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 $71 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.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU) cost?
You can find cheap return flights from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU) starting at $197. Reserve your seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving SAN on August 1 2025 and touching down at HOU. The price was last updated on July 5 2025 and has not changed since.
What is the cheapest month to fly from SAN to HOU?
The cheapest flights from SAN to HOU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU)?
Jump on a direct flight with Southwest Airlines and journey straight from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU).
What is the cheapest airline that flies from SAN to HOU?
With tickets starting at $99 for a one-way flight from SAN to HOU, Southwest Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAN on September 23 2025. Prices were last updated on July 5 2025 and have not changed since.
How many flights per day from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU)?
With, on average, 2 nonstop flights departing from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU) each day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU)?
The 7 AM departures from SAN to HOU see the highest demand. Prices can be higher for these popular slots. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from SAN to HOU?
Depart on a Sunday if you're looking for the largest selection of flights from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU).
What is the earliest flight from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU)?
San Diego Intl. Airport (SAN)'s earliest flight to William P. Hobby Airport (HOU) takes off at approximately 7:25AM UTC-8. With a total flight time of 3h, you'll arrive at around 12:25PM UTC-6.
How long does it take to fly from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU)?
It takes around 3 hours to travel the 1,300 mi from SAN to HOU.
What is the best time to fly from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU)?
To touch down at William P. Hobby Airport (HOU) on schedule, select a flight that takes off from San Diego Intl. Airport (SAN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 arrive 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 William P. Hobby Airport (HOU) last-minute?
Holding off until just before your trip to book a flight from SAN to HOU often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a SAN to HOU flight and hotel package?
You'll typically save money by securing a SAN to HOU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to William P. Hobby Airport (HOU)?
In most cases, you can reschedule or cancel your SAN to HOU flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.