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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 10/18. 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 - 4:47 pmSAN  San Diego-IAH Houston George Bush Intcntl
19h 43m1 stop Phoenix Sky Harbor Intl
Frontier Logo
5:32 pm - 9:43 amIAH  Houston George Bush Intcntl-SAN San Diego
18h 11m1 stop Phoenix Sky Harbor Intl
$245Frontier
Fri, Sep 25 - Sun, Sep 27
Frontier Logo
4:54 pm - 12:43 amSAN  San Diego-IAH Houston George Bush Intcntl
5h 49m1 stop Denver Intl
Frontier Logo
10:30 am - 11:51 pmIAH  Houston George Bush Intcntl-SAN San Diego
15h 21m1 stop Denver Intl
$245Frontier
Thu, Sep 17 - Fri, Sep 18
Frontier Logo
5:54 pm - 7:17 amSAN  San Diego-IAH Houston George Bush Intcntl
11h 23m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Frontier Logo
10:30 am - 3:58 pmIAH  Houston George Bush Intcntl-SAN San Diego
7h 28m1 stop Denver Intl
$247Frontier
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
10:11 am - 3:32 pmSAN  San Diego-IAH Houston George Bush Intcntl
3h 21mnonstop
United Airlines Logo
7:56 pm - 9:24 pmIAH  Houston George Bush Intcntl-SAN San Diego
3h 28mnonstop
$265United Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
1:58 pm - 7:08 pmSAN  San Diego-IAH Houston George Bush Intcntl
3h 10mnonstop
United Airlines Logo
8:10 pm - 9:53 pmIAH  Houston George Bush Intcntl-SAN San Diego
3h 43mnonstop
$265United Airlines
Wed, Dec 2 - Tue, Dec 8
United Airlines Logo
3:04 pm - 8:19 pmSAN  San Diego-IAH Houston George Bush Intcntl
3h 15mnonstop
United Airlines Logo
12:20 pm - 1:47 pmIAH  Houston George Bush Intcntl-SAN San Diego
3h 27mnonstop
$265United Airlines
Sat, Dec 5 - Sat, Dec 12
Southwest Logo
6:20 am - 11:40 amSAN  San Diego-HOU Houston Hobby
3h 20mnonstop
Southwest Logo
8:50 pm - 10:10 pmHOU  Houston Hobby-SAN San Diego
3h 20mnonstop
$272Southwest
Fri, Sep 11 - Mon, Sep 14
Southwest Logo
7:25 pm - 12:40 amSAN  San Diego-HOU Houston Hobby
3h 15mnonstop
Southwest Logo
8:50 pm - 10:10 pmHOU  Houston Hobby-SAN San Diego
3h 20mnonstop
$272Southwest
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
9:39 am - 11:24 amSAN  San Diego-IAH Houston George Bush Intcntl
23h 45m2 stops San Jose Los Angeles
Multiple Airlines Logo
10:30 am - 3:58 pmIAH  Houston George Bush Intcntl-SAN San Diego
7h 28m1 stop Denver Intl
$274Multiple Airlines
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
2:17 pm - 1:31 pmSAN  San Diego-IAH Houston George Bush Intcntl
21h 14m1 stop Portland
Multiple Airlines Logo
7:55 pm - 4:59 pmIAH  Houston George Bush Intcntl-SAN San Diego
23h 04m1 stop Las Vegas Harry Reid Intl
$279Multiple Airlines
Wed, Sep 2 - Tue, Sep 8

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Southwest flights from San Diego to Houston

Our best Southwest deals on San Diego to Houston flight tickets
Southwest
Sep 11
SAN7:25 pmSan Diego
3h 15m
HOU12:40 amHouston Hobby
Sep 14
HOU8:50 pmHouston Hobby
3h 20m
SAN10:10 pmSan Diego
$272
Southwest
Sep 16
SAN5:45 pmSan Diego
3h 15m
HOU11:00 pmHouston Hobby
Sep 23
HOU9:25 amHouston Hobby
3h 15m
SAN10:40 amSan Diego
$275
Southwest
Sep 11
SAN10:40 pmSan Diego
6h 50m
1 stop
HOU7:30 amHouston Hobby
Sep 14
HOU8:50 pmHouston Hobby
3h 20m
SAN10:10 pmSan Diego
$282

American Airlines flights from San Diego to Houston

Our best American Airlines deals on San Diego to Houston flight tickets
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
$295
American Airlines
Sep 9
SAN11:15 amSan Diego
6h 33m
1 stop
HOU7:48 pmHouston Hobby
Sep 10
HOU6:19 pmHouston Hobby
7h 36m
1 stop
SAN11:55 pmSan Diego
$306
American Airlines
Sep 3
SAN6:19 amSan Diego
7h 07m
1 stop
HOU3:26 pmHouston Hobby
Sep 6
HOU8:14 pmHouston Hobby
5h 45m
1 stop
SAN11:59 pmSan Diego
$309

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 August 16, 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 San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Fri 9/25

7:04 pm-4:47 pm

1 stop19h 43m

Houston George Bush Intcntl

Sun 9/27

5:32 pm-9:43 am

1 stop18h 11m

$245

San DiegoHouston

SAN San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Thu 9/17

4:54 pm-12:43 am

1 stop5h 49m

Houston George Bush Intcntl

Fri 9/18

10:30 am-11:51 pm

1 stop15h 21m

$245

San DiegoHouston

SAN San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Tue 9/15

5:54 pm-7:17 am

2 stops11h 23m

Houston George Bush Intcntl

Sat 9/19

10:30 am-3:58 pm

1 stop7h 28m

$247

San DiegoHouston

SAN San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Tue 9/8

10:11 am-3:32 pm

Nonstop3h 21m

Houston George Bush Intcntl

Tue 9/15

7:56 pm-9:24 pm

Nonstop3h 28m

$265

San DiegoHouston

SAN San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Wed 12/2

1:58 pm-7:08 pm

Nonstop3h 10m

Houston George Bush Intcntl

Tue 12/8

8:10 pm-9:53 pm

Nonstop3h 43m

$265

San DiegoHouston

SAN San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Sat 12/5

3:04 pm-8:19 pm

Nonstop3h 15m

Houston George Bush Intcntl

Sat 12/12

12:20 pm-1:47 pm

Nonstop3h 27m

$265

San DiegoHouston

SAN San Diego - HOU Houston Hobby

SANHOU

San Diego

Fri 9/11

6:20 am-11:40 am

Nonstop3h 20m

Houston Hobby

Mon 9/14

8:50 pm-10:10 pm

Nonstop3h 20m

$272
Quickest round-trip

San DiegoHouston

SAN San Diego - HOU Houston Hobby

SANHOU

San Diego

Fri 9/11

7:25 pm-12:40 am

Nonstop3h 15m

Houston Hobby

Mon 9/14

8:50 pm-10:10 pm

Nonstop3h 20m

$272

San DiegoHouston

SAN San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Fri 9/11

9:39 am-11:24 am

2 stops23h 45m

Houston George Bush Intcntl

Mon 9/14

10:30 am-3:58 pm

1 stop7h 28m

$274

San DiegoHouston

SAN San Diego - IAH Houston George Bush Intcntl

SANIAH

San Diego

Wed 9/2

2:17 pm-1:31 pm

1 stop21h 14m

Houston George Bush Intcntl

Tue 9/8

7:55 pm-4:59 pm

1 stop23h 04m

$279

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 $270 to $465.
The lowest price recently found on this route was $245.

What is the cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from San Diego, with most prices found around $370. The month of October is another great option to travel to Houston, with average flight prices from San Diego averaging around $394.

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 $443. 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 $525.

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 $457. Try not to purchase tickets in the afternoon because they tend to be around $530. 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 $446 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 00m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from San Diego to Houston takes 3h 00m
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 00m 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 $147Free CancellationRating
5.6
2,684 reviews
Search Frontier flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights
SouthwestPriceFrom $302Free CancellationRating
8.0
4,217 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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