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Cheap flights from Houston to San Diego from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to San Diego departing on 10/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Spirit Airlines Logo
10:09 pm - 7:26 amIAH-SAN
11h 17m1 stop
Spirit Airlines Logo
7:35 pm - 5:45 amSAN-IAH
8h 10m1 stop
$180Spirit Airlines
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Thu, Oct 30 - Sun, Nov 2
Logo
9:29 am - 11:17 pmIAH-SAN
15h 48m1 stop
Logo
8:25 am - 4:43 pmSAN-IAH
6h 18m1 stop
$181
Find Deal
Mon, Sep 15 - Thu, Sep 25
Frontier Logo
5:07 pm - 11:17 pmIAH-SAN
8h 10m1 stop
Frontier Logo
6:25 am - 4:07 pmSAN-IAH
7h 42m1 stop
$189Frontier
Find Deal
Mon, Sep 22 - Fri, Sep 26
Frontier Logo
6:15 am - 11:09 amIAH-SAN
6h 54m1 stop
Frontier Logo
9:03 pm - 11:09 amSAN-IAH
12h 06m1 stop
$216Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Southwest Logo
9:35 am - 10:50 amHOU-SAN
3h 15mnonstop
Southwest Logo
7:45 am - 1:00 pmSAN-HOU
3h 15mnonstop
$317Southwest
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Tue, Sep 23 - Tue, Sep 30
Southwest Logo
5:25 pm - 6:55 pmHOU-SAN
3h 30mnonstop
Southwest Logo
4:00 pm - 10:55 pmSAN-HOU
4h 55m1 stop
$323Southwest
Find Deal
Wed, Dec 10 - Wed, Dec 17
Delta Logo
1:13 pm - 7:27 pmHOU-SAN
8h 14m1 stop
Delta Logo
10:30 pm - 9:49 amSAN-HOU
9h 19m1 stop
$337Delta
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Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
2:31 pm - 6:02 pmHOU-SAN
5h 31m1 stop
American Airlines Logo
10:42 am - 6:10 pmSAN-HOU
5h 28m1 stop
$362American Airlines
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Thu, Sep 18 - Wed, Sep 24
American Airlines Logo
2:31 pm - 8:16 pmHOU-SAN
7h 45m1 stop
American Airlines Logo
6:15 am - 2:03 pmSAN-HOU
5h 48m1 stop
$363American Airlines
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Thu, Sep 25 - Tue, Sep 30
Delta Logo
1:13 pm - 8:25 pmHOU-SAN
9h 12m1 stop
Delta Logo
9:50 pm - 9:49 amSAN-HOU
9h 59m1 stop
$409Delta
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Fri, Sep 19 - Fri, Sep 26

American Airlines flights from Houston to San Diego

Our best American Airlines deals on Houston to San Diego flight tickets
American Airlines
Sep 18
HOU2:31 pmHouston Hobby
5h 31m
1 stop
SAN6:02 pmSan Diego
Sep 24
SAN10:42 amSan Diego
5h 28m
1 stop
HOU6:10 pmHouston Hobby
$362
Find similar
American Airlines
Sep 25
HOU2:31 pmHouston Hobby
7h 45m
1 stop
SAN8:16 pmSan Diego
Sep 30
SAN6:15 amSan Diego
5h 48m
1 stop
HOU2:03 pmHouston Hobby
$363
Find similar
American Airlines
Sep 15
HOU9:04 amHouston Hobby
7h 26m
1 stop
SAN2:30 pmSan Diego
Sep 23
SAN7:13 amSan Diego
6h 42m
1 stop
HOU3:55 pmHouston Hobby
$365
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Spirit Airlines flights from Houston to San Diego

Our best Spirit Airlines deals on Houston to San Diego flight tickets
Spirit Airlines
Oct 30
IAH10:09 pmHouston George Bush Intcntl
11h 17m
1 stop
SAN7:26 amSan Diego
Nov 2
SAN7:35 pmSan Diego
8h 10m
1 stop
IAH5:45 amHouston George Bush Intcntl
$180
Find similar
Spirit Airlines
Oct 6
IAH9:32 amHouston George Bush Intcntl
10h 58m
1 stop
SAN6:30 pmSan Diego
Oct 12
SAN7:35 pmSan Diego
8h 19m
1 stop
IAH5:54 amHouston George Bush Intcntl
$182
Find similar
Spirit Airlines
Sep 7
IAH9:26 pmHouston George Bush Intcntl
12h 03m
1 stop
SAN7:29 amSan Diego
Sep 10
SAN6:15 amSan Diego
8h 28m
1 stop
IAH4:43 pmHouston George Bush Intcntl
$183
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston to San Diego 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 26, 2025.
Use the filters below to find and compare flights from Houston to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 10/30

10:09 pm-7:26 am

1 stop11h 17m

San Diego

Sun 11/2

7:35 pm-5:45 am

1 stop8h 10m

$180

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 9/15

9:29 am-11:17 pm

1 stop15h 48m

San Diego

Thu 9/25

8:25 am-4:43 pm

1 stop6h 18m

$181

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 9/22

5:07 pm-11:17 pm

1 stop8h 10m

San Diego

Fri 9/26

6:25 am-4:07 pm

1 stop7h 42m

$189

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 9/11

6:15 am-11:09 am

1 stop6h 54m

San Diego

Sun 9/14

9:03 pm-11:09 am

1 stop12h 06m

$216

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 9/23

9:35 am-10:50 am

Nonstop3h 15m

San Diego

Tue 9/30

7:45 am-1:00 pm

Nonstop3h 15m

$317

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Wed 12/10

5:25 pm-6:55 pm

Nonstop3h 30m

San Diego

Wed 12/17

4:00 pm-10:55 pm

1 stop4h 55m

$323

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 9/23

1:13 pm-7:27 pm

1 stop8h 14m

San Diego

Tue 9/30

10:30 pm-9:49 am

1 stop9h 19m

$337

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Thu 9/18

2:31 pm-6:02 pm

1 stop5h 31m

San Diego

Wed 9/24

10:42 am-6:10 pm

1 stop5h 28m

$362

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Thu 9/25

2:31 pm-8:16 pm

1 stop7h 45m

San Diego

Tue 9/30

6:15 am-2:03 pm

1 stop5h 48m

$363

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Fri 9/19

1:13 pm-8:25 pm

1 stop9h 12m

San Diego

Fri 9/26

9:50 pm-9:49 am

1 stop9h 59m

$409

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 San Diego from

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

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 cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of September, then departing from Houston during the month November is also very affordable. Most momondo users find prices during this month for around $315.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Houston to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $451. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $542. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $455. Flights at noon are often more expensive with an average ticket price of $515.

What is the cheapest Houston to San Diego flight route?

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

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

You are more likely to see cheaper flights to San Diego from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $386 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Houston for as low as $323 on momondo.

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

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

Cheap Houston to San Diego flight deals and tips

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

Fastest flight time

3h 15m

Direct flights

Every day

Airports in San Diego

1 airport
The fastest flight from Houston to San Diego takes 3h 15m
Direct flights go from Houston to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
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  • How far is Houston to San Diego by plane?

    Houston and San Diego are 1300.1 mi apart from one another. Flights usually cover this in 3h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Houston to San Diego Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Houston to San Diego

Compare and see reviews for airlines that fly from Houston to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $109Free CancellationRating
5.8
3,200 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $124Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
SouthwestPriceFrom $268Free CancellationRating
8.0
4,243 reviews
Search Southwest flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
Santee

Why use momondo?

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

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

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

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

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

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 San Diego from Houston.

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

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Houston and alert you when they change.

An easier way to manage your San Diego trip

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