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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 9/24. 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
7:04 pm - 5:08 pm
SAN
-
IAH
20h 04m
1 stop
Frontier Logo
10:38 pm - 12:53 pm
IAH
-
SAN
16h 15m
2 stops
$254Frontier
Mon, Sep 21 - Fri, Sep 25
Frontier Logo
6:25 am - 2:05 pm
SAN
-
IAH
5h 40m
1 stop
Frontier Logo
7:44 pm - 11:59 pm
IAH
-
SAN
6h 15m
1 stop
$255Frontier
Tue, Sep 1 - Sun, Sep 13
Frontier Logo
6:35 am - 10:29 pm
SAN
-
IAH
13h 54m
2 stops
Frontier Logo
12:05 pm - 3:43 pm
IAH
-
SAN
5h 38m
1 stop
$255Frontier
Thu, Aug 13 - Mon, Aug 17
United Airlines Logo
4:46 pm - 10:00 pm
SAN
-
IAH
3h 14mnonstop
United Airlines Logo
4:24 pm - 5:46 pm
IAH
-
SAN
3h 22mnonstop
$257United Airlines
Sat, Oct 17 - Mon, Oct 19
United Airlines Logo
3:04 pm - 8:19 pm
SAN
-
IAH
3h 15mnonstop
United Airlines Logo
11:55 am - 1:17 pm
IAH
-
SAN
3h 22mnonstop
$257United Airlines
Mon, Aug 24 - Tue, Aug 25
Southwest Logo
8:35 am - 1:50 pm
SAN
-
HOU
3h 15mnonstop
Southwest Logo
8:50 pm - 10:10 pm
HOU
-
SAN
3h 20mnonstop
$257Southwest
Wed, Sep 9 - Mon, Sep 14
Southwest Logo
6:30 am - 11:35 am
SAN
-
HOU
3h 05mnonstop
Southwest Logo
8:45 am - 10:05 am
HOU
-
SAN
3h 20mnonstop
$257Southwest
Tue, Oct 27 - Wed, Oct 28
United Airlines Logo
3:04 pm - 8:19 pm
SAN
-
IAH
3h 15mnonstop
United Airlines Logo
9:33 am - 10:55 am
IAH
-
SAN
3h 22mnonstop
$257United Airlines
Sat, Aug 15 - Mon, Aug 17
American Airlines Logo
8:00 am - 6:04 pm
SAN
-
IAH
8h 04m
1 stop
American Airlines Logo
4:21 pm - 9:03 pm
IAH
-
SAN
6h 42m
1 stop
$277American Airlines
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
7:15 am - 3:26 pm
SAN
-
HOU
6h 11m
1 stop
American Airlines Logo
8:18 pm - 11:55 pm
HOU
-
SAN
5h 37m
1 stop
$277American Airlines
Sat, Aug 29 - Thu, Sep 10

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American Airlines flights from San Diego to Houston

Our best American Airlines deals on San Diego to Houston flight tickets
American Airlines
Aug 22
SAN6:19 amSan Diego
7h 07m
1 stop
HOU3:26 pmHouston Hobby
Sep 10
HOU8:18 pmHouston Hobby
5h 37m
1 stop
SAN11:55 pmSan Diego
$313
American Airlines
Oct 24
SAN4:26 pmSan Diego
5h 23m
1 stop
HOU11:49 pmHouston Hobby
Nov 5
HOU8:09 pmHouston Hobby
5h 47m
1 stop
SAN11:56 pmSan Diego
$326
American Airlines
Oct 24
SAN3:07 pmSan Diego
6h 42m
1 stop
HOU11:49 pmHouston Hobby
Nov 5
HOU8:09 pmHouston Hobby
5h 47m
1 stop
SAN11:56 pmSan Diego
$335

Southwest flights from San Diego to Houston

Our best Southwest deals on San Diego to Houston flight tickets
Southwest
Aug 13
SAN6:20 amSan Diego
3h 20m
HOU11:40 amHouston Hobby
Aug 17
HOU8:50 pmHouston Hobby
3h 15m
SAN10:05 pmSan Diego
$257
Southwest
Sep 12
SAN7:30 amSan Diego
3h 10m
HOU12:40 pmHouston Hobby
Sep 15
HOU8:30 amHouston Hobby
4h 40m
1 stop
SAN11:10 amSan Diego
$263
Southwest
Aug 15
SAN1:50 pmSan Diego
6h 10m
1 stop
HOU10:00 pmHouston Hobby
Aug 17
HOU8:50 pmHouston Hobby
3h 15m
SAN10:05 pmSan Diego
$267

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 27, 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

Mon 9/21

7:04 pm-5:08 pm

1 stop20h 04m

Houston George Bush Intcntl

Fri 9/25

10:38 pm-12:53 pm

2 stops16h 15m

$254

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 9/1

6:25 am-2:05 pm

1 stop5h 40m

Houston George Bush Intcntl

Sun 9/13

7:44 pm-11:59 pm

1 stop6h 15m

$255

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Thu 8/13

6:35 am-10:29 pm

2 stops13h 54m

Houston George Bush Intcntl

Mon 8/17

12:05 pm-3:43 pm

1 stop5h 38m

$255

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 10/17

4:46 pm-10:00 pm

Nonstop3h 14m

Houston George Bush Intcntl

Mon 10/19

4:24 pm-5:46 pm

Nonstop3h 22m

$257

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Mon 8/24

3:04 pm-8:19 pm

Nonstop3h 15m

Houston George Bush Intcntl

Tue 8/25

11:55 am-1:17 pm

Nonstop3h 22m

$257

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Wed 9/9

8:35 am-1:50 pm

Nonstop3h 15m

Houston Hobby

Mon 9/14

8:50 pm-10:10 pm

Nonstop3h 20m

$257
Quickest round-trip

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Tue 10/27

6:30 am-11:35 am

Nonstop3h 05m

Houston Hobby

Wed 10/28

8:45 am-10:05 am

Nonstop3h 20m

$257

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sat 8/15

3:04 pm-8:19 pm

Nonstop3h 15m

Houston George Bush Intcntl

Mon 8/17

9:33 am-10:55 am

Nonstop3h 22m

$257

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 9/1

8:00 am-6:04 pm

1 stop8h 04m

Houston George Bush Intcntl

Tue 9/8

4:21 pm-9:03 pm

1 stop6h 42m

$277

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Sat 8/29

7:15 am-3:26 pm

1 stop6h 11m

Houston Hobby

Thu 9/10

8:18 pm-11:55 pm

1 stop5h 37m

$277

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?

Prices are currently low for flights on this route.

Typical prices usually range from $257 to $465.
The lowest price recently found on this route was $254.

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 $369. The month of September is another great option to travel to Houston, with average flight prices from San Diego averaging around $374.

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 $439. 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 $529.

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 $438 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 10m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from San Diego to Houston takes 3h 10m
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 10m 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
2,754 reviews
Search Frontier flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
10,042 reviews
Search United Airlines flights
SouthwestPriceFrom $297Free CancellationRating
8.0
4,229 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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