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Cheap flights from San Diego to Houston from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Houston departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:28 pm - 7:20 am
SAN
-
IAH
12h 52m
2 stops
Frontier Logo
12:05 pm - 3:43 pm
IAH
-
SAN
5h 38m
1 stop
$263Frontier
Sat, Aug 15 - Mon, Aug 17
Frontier Logo
3:03 pm - 7:58 pm
SAN
-
IAH
26h 55m
1 stop
Frontier Logo
6:30 am - 9:05 am
IAH
-
SAN
28h 35m
1 stop
$266Frontier
Tue, Aug 11 - Wed, Aug 19
Southwest Logo
8:35 am - 5:40 pm
SAN
-
HOU
7h 05m
1 stop
Southwest Logo
6:00 pm - 9:55 pm
HOU
-
SAN
5h 55m
1 stop
$267Southwest
Thu, Aug 13 - Mon, Aug 17
American Airlines Logo
3:05 pm - 10:20 pm
SAN
-
IAH
5h 15m
1 stop
American Airlines Logo
5:00 am - 10:29 am
IAH
-
SAN
7h 29m
1 stop
$267American Airlines
Sat, Aug 15 - Sat, Aug 22
Frontier Logo
6:25 am - 9:14 pm
SAN
-
IAH
12h 49m
1 stop
Frontier Logo
10:09 pm - 3:43 pm
IAH
-
SAN
19h 34m
2 stops
$269Frontier
Thu, Aug 6 - Mon, Aug 10
Frontier Logo
8:51 pm - 12:22 pm
SAN
-
IAH
13h 31m
1 stop
Frontier Logo
11:59 am - 8:15 pm
IAH
-
SAN
10h 16m
1 stop
$270Frontier
Sat, Aug 1 - Wed, Aug 19
Frontier Logo
8:51 pm - 12:22 pm
SAN
-
IAH
13h 31m
1 stop
Frontier Logo
7:55 pm - 8:04 pm
IAH
-
SAN
26h 09m
1 stop
$271Frontier
Sat, Aug 1 - Wed, Aug 19
Southwest Logo
6:35 am - 4:55 pm
SAN
-
HOU
8h 20m
2 stops
Southwest Logo
6:10 pm - 8:55 pm
HOU
-
SAN
4h 45m
1 stop
$272Southwest
Sat, Aug 22 - Wed, Aug 26
Frontier Logo
8:32 pm - 12:10 pm
SAN
-
IAH
13h 38m
1 stop
Frontier Logo
10:30 pm - 9:02 am
IAH
-
SAN
12h 32m
1 stop
$272Frontier
Fri, Nov 6 - Sun, Nov 8
Delta Logo
12:32 pm - 10:05 pm
SAN
-
HOU
7h 33m
1 stop
Delta Logo
6:00 am - 11:25 am
HOU
-
SAN
7h 25m
1 stop
$294Delta
Mon, Aug 31 - Fri, Sep 11

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Southwest flights from San Diego to Houston

Our best Southwest deals on San Diego to Houston flight tickets
Southwest
Aug 13
SAN8:35 amSan Diego
7h 05m
1 stop
HOU5:40 pmHouston Hobby
Aug 17
HOU6:00 pmHouston Hobby
5h 55m
1 stop
SAN9:55 pmSan Diego
$267
Southwest
Aug 22
SAN6:35 amSan Diego
8h 20m
2 stops
HOU4:55 pmHouston Hobby
Aug 26
HOU6:10 pmHouston Hobby
4h 45m
1 stop
SAN8:55 pmSan Diego
$272
Southwest
Sep 2
SAN12:20 pmSan Diego
3h 15m
HOU5:35 pmHouston Hobby
Sep 6
HOU9:35 amHouston Hobby
3h 15m
SAN10:50 amSan Diego
$274

American Airlines flights from San Diego to Houston

Our best American Airlines deals on San Diego to Houston flight tickets
American Airlines
Sep 1
SAN6:19 amSan Diego
7h 07m
1 stop
HOU3:26 pmHouston Hobby
Sep 5
HOU3:57 pmHouston Hobby
7h 01m
1 stop
SAN8:58 pmSan Diego
$266
American Airlines
Aug 15
SAN3:05 pmSan Diego
5h 15m
1 stop
IAH10:20 pmHouston George Bush Intcntl
Aug 22
IAH5:00 amHouston George Bush Intcntl
7h 29m
1 stop
SAN10:29 amSan Diego
$267
American Airlines
Sep 2
SAN12:06 pmSan Diego
5h 45m
1 stop
HOU7:51 pmHouston Hobby
Sep 6
HOU8:14 pmHouston Hobby
5h 45m
1 stop
SAN11:59 pmSan Diego
$293

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 21, 2026.
Use the filters below to find and compare flights from San Diego to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 8/15

4:28 pm-7:20 am

2 stops12h 52m

Houston George Bush Intcntl

Mon 8/17

12:05 pm-3:43 pm

1 stop5h 38m

$263

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 8/11

3:03 pm-7:58 pm

1 stop26h 55m

Houston George Bush Intcntl

Wed 8/19

6:30 am-9:05 am

1 stop28h 35m

$266

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Thu 8/13

8:35 am-5:40 pm

1 stop7h 05m

Houston Hobby

Mon 8/17

6:00 pm-9:55 pm

1 stop5h 55m

$267
Quickest round-trip

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 8/15

3:05 pm-10:20 pm

1 stop5h 15m

Houston George Bush Intcntl

Sat 8/22

5:00 am-10:29 am

1 stop7h 29m

$267

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Thu 8/6

6:25 am-9:14 pm

1 stop12h 49m

Houston George Bush Intcntl

Mon 8/10

10:09 pm-3:43 pm

2 stops19h 34m

$269

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 8/1

8:51 pm-12:22 pm

1 stop13h 31m

Houston George Bush Intcntl

Wed 8/19

11:59 am-8:15 pm

1 stop10h 16m

$270

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 8/1

8:51 pm-12:22 pm

1 stop13h 31m

Houston George Bush Intcntl

Wed 8/19

7:55 pm-8:04 pm

1 stop26h 09m

$271

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Sat 8/22

6:35 am-4:55 pm

2 stops8h 20m

Houston Hobby

Wed 8/26

6:10 pm-8:55 pm

1 stop4h 45m

$272

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Fri 11/6

8:32 pm-12:10 pm

1 stop13h 38m

Houston George Bush Intcntl

Sun 11/8

10:30 pm-9:02 am

1 stop12h 32m

$272

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Mon 8/31

12:32 pm-10:05 pm

1 stop7h 33m

Houston Hobby

Fri 9/11

6:00 am-11:25 am

1 stop7h 25m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from San Diego to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Diego and Houston?

What is the cheapest month to fly to Houston?

The month of August is, on average, the cheapest month to fly to Houston from San Diego, with most prices found around $322. The month of September is another great option to travel to Houston, with average flight prices from San Diego averaging around $372.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from San Diego is on a Saturday. momondo users have found tickets for Saturday departures for as low as $438. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $536.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest San Diego to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $465. Try not to purchase tickets in the afternoon because they tend to be around $538. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest San Diego to Houston flight route?

Fly from San Diego to Houston Hobby for the best San Diego - Houston flight prices

How far in advance should I book a flight from San Diego to Houston?

You are more likely to see cheaper flights to Houston from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $434 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from San Diego for as low as $306 on momondo.

What cabin class options are available on San Diego to Houston flights?

There are 4 cabin classes available to choose from on San Diego to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap San Diego to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Houston

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from San Diego to Houston takes 3h 05m
Direct flights go from San Diego to Houston every day.
There are 2 airports in Houston. From San Diego there are direct flights to Houston George Bush Intcntl (IAH), Houston Hobby (HOU).
Search flight deals

Frequently asked questions about flying from San Diego to Houston

  • How far is San Diego to Houston by plane?

    A flight from San Diego to Houston will travel around 1300.1 mi. Typically, this will take 3h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from San Diego Airport to Houston?

    Prices for flights from San Diego Airport to Houston are updated daily.

  • How many operators does momondo search for flights from San Diego Airport to Houston?

  • How old do you have to be to fly from San Diego Airport to Houston?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Houston

Compare and see reviews for airlines that fly from San Diego to Houston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $146Free CancellationRating
5.6
2,779 reviews
Search Frontier flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
10,014 reviews
Search United Airlines flights
SouthwestPriceFrom $297Free CancellationRating
8.0
4,238 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from San Diego which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Diego to Houston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from San Diego.

I’m not ready to book a flight from San Diego to Houston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Houston from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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