Cheap flights from Houston to San Diego from $52

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 2/23. 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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0 bags

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Multiple Airlines Logo
9:36 pm - 7:35 pm
IAH
-
SAN
23h 59m1 stop
Multiple Airlines Logo
2:05 pm - 5:54 am
SAN
-
IAH
13h 49m1 stop
$183Multiple Airlines
Thu, Feb 12 - Mon, Feb 23
Frontier Logo
10:47 am - 2:31 pm
IAH
-
SAN
5h 44m1 stop
Frontier Logo
4:47 pm - 10:37 am
SAN
-
IAH
15h 50m1 stop
$184Frontier
Thu, Mar 12 - Fri, Apr 10
Frontier Logo
10:47 am - 2:31 pm
IAH
-
SAN
5h 44m1 stop
Frontier Logo
7:21 pm - 10:37 am
SAN
-
IAH
13h 16m2 stops
$185Frontier
Thu, Mar 12 - Sun, Apr 12
Multiple Airlines Logo
7:00 pm - 11:31 pm
IAH
-
SAN
6h 31m1 stop
Multiple Airlines Logo
7:00 am - 3:19 pm
SAN
-
IAH
30h 19m2 stops
$186Multiple Airlines
Sat, Jan 24 - Tue, Jan 27
Multiple Airlines Logo
10:31 am - 12:08 am
IAH
-
SAN
15h 37m1 stop
Multiple Airlines Logo
2:00 pm - 5:54 am
SAN
-
IAH
13h 54m1 stop
$187Multiple Airlines
Sun, Feb 15 - Mon, Feb 16
Frontier Logo
10:31 am - 12:08 am
IAH
-
SAN
15h 37m1 stop
Frontier Logo
7:11 am - 7:14 pm
SAN
-
IAH
10h 03m1 stop
$188Frontier
Sun, Feb 15 - Tue, Feb 17
Southwest Logo
2:00 pm - 3:30 pm
HOU
-
SAN
3h 30mnonstop
Southwest Logo
6:10 pm - 11:15 pm
SAN
-
HOU
3h 05mnonstop
$295Southwest
Mon, Feb 9 - Tue, Feb 10
Southwest Logo
8:00 am - 9:30 am
HOU
-
SAN
3h 30mnonstop
Southwest Logo
6:10 pm - 11:15 pm
SAN
-
HOU
3h 05mnonstop
$296Southwest
Wed, Feb 4 - Wed, Feb 11
Delta Logo
5:04 pm - 10:45 pm
HOU
-
SAN
7h 41m1 stop
Delta Logo
6:30 am - 4:10 pm
SAN
-
HOU
7h 40m1 stop
$315Delta
Tue, Feb 3 - Wed, Feb 4
Delta Logo
5:04 pm - 10:45 pm
HOU
-
SAN
7h 41m1 stop
Delta Logo
10:20 pm - 10:01 am
SAN
-
HOU
9h 41m1 stop
$317Delta
Mon, Feb 9 - Wed, Feb 18

Southwest flights from Houston to San Diego

Our best Southwest deals on Houston to San Diego flight tickets
Southwest
Feb 9
HOU2:00 pmHouston Hobby
3h 30m
SAN3:30 pmSan Diego
Feb 10
SAN6:10 pmSan Diego
3h 05m
HOU11:15 pmHouston Hobby
$295
Southwest
Feb 4
HOU8:00 amHouston Hobby
3h 30m
SAN9:30 amSan Diego
Feb 11
SAN6:10 pmSan Diego
3h 05m
HOU11:15 pmHouston Hobby
$296
Southwest
Feb 4
HOU6:15 amHouston Hobby
5h 55m
1 stop
SAN10:10 amSan Diego
Feb 11
SAN6:10 pmSan Diego
3h 05m
HOU11:15 pmHouston Hobby
$301

American Airlines flights from Houston to San Diego

Our best American Airlines deals on Houston to San Diego flight tickets
American Airlines
Feb 5
HOU6:36 pmHouston Hobby
6h 14m
1 stop
SAN10:50 pmSan Diego
Feb 12
SAN4:39 pmSan Diego
5h 19m
1 stop
HOU11:58 pmHouston Hobby
$353
American Airlines
Feb 24
HOU12:18 pmHouston Hobby
8h 05m
1 stop
SAN6:23 pmSan Diego
Feb 26
SAN4:39 pmSan Diego
5h 19m
1 stop
HOU11:58 pmHouston Hobby
$354
American Airlines
Jan 14
HOU4:55 pmHouston Hobby
5h 46m
1 stop
SAN8:41 pmSan Diego
Feb 11
SAN10:50 amSan Diego
5h 16m
1 stop
HOU6:06 pmHouston Hobby
$674

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 January 8, 2026.
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 2/12

9:36 pm-7:35 pm

1 stop23h 59m

San Diego

Mon 2/23

2:05 pm-5:54 am

1 stop13h 49m

$183

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 3/12

10:47 am-2:31 pm

1 stop5h 44m

San Diego

Fri 4/10

4:47 pm-10:37 am

1 stop15h 50m

$184

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 3/12

10:47 am-2:31 pm

1 stop5h 44m

San Diego

Sun 4/12

7:21 pm-10:37 am

2 stops13h 16m

$185

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 1/24

7:00 pm-11:31 pm

1 stop6h 31m

San Diego

Tue 1/27

7:00 am-3:19 pm

2 stops30h 19m

$186

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sun 2/15

10:31 am-12:08 am

1 stop15h 37m

San Diego

Mon 2/16

2:00 pm-5:54 am

1 stop13h 54m

$187

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sun 2/15

10:31 am-12:08 am

1 stop15h 37m

San Diego

Tue 2/17

7:11 am-7:14 pm

1 stop10h 03m

$188

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Mon 2/9

2:00 pm-3:30 pm

Nonstop3h 30m

San Diego

Tue 2/10

6:10 pm-11:15 pm

Nonstop3h 05m

$295

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Wed 2/4

8:00 am-9:30 am

Nonstop3h 30m

San Diego

Wed 2/11

6:10 pm-11:15 pm

Nonstop3h 05m

$296

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 2/3

5:04 pm-10:45 pm

1 stop7h 41m

San Diego

Wed 2/4

6:30 am-4:10 pm

1 stop7h 40m

$315

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Mon 2/9

5:04 pm-10:45 pm

1 stop7h 41m

San Diego

Wed 2/18

10:20 pm-10:01 am

1 stop9h 41m

$317

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 August, then departing from Houston during the month September is also very affordable. Most momondo users find prices during this month for around $354.

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 Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $420. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $574. 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 $449. Flights in the afternoon are often more expensive with an average ticket price of $479.

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 $405 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 $244 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 10m

Direct flights

Every day

Airports in San Diego

1 airport
The fastest flight from Houston to San Diego takes 3h 10m
Direct flights go from Houston to San Diego every day.
There is 1 airport in San Diego. From Houston there are direct flights to San Diego (SAN).
  • 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 10m, 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
Spirit AirlinesPriceFrom $85Free CancellationRating
6.3
8,287 reviews
Search Spirit Airlines flights
FrontierPriceFrom $113Free CancellationRating
5.7
3,062 reviews
Search Frontier flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,094 reviews
Search American Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,250 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
Poway
National City
Imperial Beach
Borrego Springs
La Mesa
San Ysidro
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.

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1 adult
Sat 2/7
Sat 2/14

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