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Cheap flights from Houston to San Diego from $71

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 2/22. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:43 pm - 10:25 am
IAH
-
SAN
21h 42m1 stop
Frontier Logo
6:25 am - 10:37 am
SAN
-
IAH
26h 12m1 stop
$174Frontier
Sat, Feb 7 - Sat, Feb 14
Frontier Logo
10:28 pm - 10:46 pm
IAH
-
SAN
26h 18m2 stops
Frontier Logo
12:21 pm - 12:31 am
SAN
-
IAH
10h 10m1 stop
$175Frontier
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
12:55 pm - 10:24 am
IAH
-
SAN
23h 29m1 stop
Multiple Airlines Logo
10:01 pm - 12:19 am
SAN
-
IAH
24h 18m2 stops
$176Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
2:43 pm - 12:08 am
IAH
-
SAN
11h 25m2 stops
Frontier Logo
6:25 am - 12:31 am
SAN
-
IAH
16h 06m1 stop
$177Frontier
Fri, Feb 6 - Wed, Feb 11
Frontier Logo
7:00 pm - 7:21 pm
IAH
-
SAN
26h 21m1 stop
Frontier Logo
6:25 am - 5:12 pm
SAN
-
IAH
32h 47m2 stops
$179Frontier
Sat, Feb 7 - Fri, Feb 13
Frontier Logo
10:14 pm - 10:46 pm
IAH
-
SAN
26h 32m2 stops
Frontier Logo
8:00 am - 9:33 pm
SAN
-
IAH
11h 33m1 stop
$180Frontier
Mon, Feb 9 - Thu, Feb 12
American Airlines Logo
4:55 pm - 8:41 pm
HOU
-
SAN
5h 46m1 stop
American Airlines Logo
7:10 am - 6:06 pm
SAN
-
HOU
8h 56m1 stop
$384American Airlines
Tue, Jan 13 - Sat, Jan 17
Southwest Logo
4:55 pm - 6:30 pm
HOU
-
SAN
3h 35mnonstop
Southwest Logo
6:10 pm - 11:15 pm
SAN
-
HOU
3h 05mnonstop
$409Southwest
Tue, Feb 10 - Wed, Feb 18
American Airlines Logo
4:55 pm - 10:50 pm
HOU
-
SAN
7h 55m1 stop
American Airlines Logo
9:15 am - 7:55 pm
SAN
-
HOU
8h 40m1 stop
$414American Airlines
Tue, Feb 10 - Wed, Feb 18
Southwest Logo
9:00 am - 1:30 pm
HOU
-
SAN
6h 30m1 stop
Southwest Logo
6:10 pm - 11:15 pm
SAN
-
HOU
3h 05mnonstop
$415Southwest
Tue, Feb 10 - Wed, Feb 18

Frontier flights from Houston to San Diego

Our best Frontier deals on Houston to San Diego flight tickets
Frontier
Feb 7
IAH2:43 pmHouston George Bush Intcntl
21h 42m
1 stop
SAN10:25 amSan Diego
Feb 14
SAN6:25 amSan Diego
26h 12m
1 stop
IAH10:37 amHouston George Bush Intcntl
$174
Find similar
Frontier
Feb 23
IAH10:28 pmHouston George Bush Intcntl
26h 18m
2 stops
SAN10:46 pmSan Diego
Feb 26
SAN12:21 pmSan Diego
10h 10m
1 stop
IAH12:31 amHouston George Bush Intcntl
$175
Find similar
Frontier
Feb 6
IAH2:43 pmHouston George Bush Intcntl
11h 25m
2 stops
SAN12:08 amSan Diego
Feb 11
SAN6:25 amSan Diego
16h 06m
1 stop
IAH12:31 amHouston George Bush Intcntl
$177
Find similar

Delta flights from Houston to San Diego

Our best Delta deals on Houston to San Diego flight tickets
Delta
Feb 14
HOU10:50 amHouston Hobby
10h 01m
1 stop
SAN6:51 pmSan Diego
Feb 17
SAN10:30 pmSan Diego
9h 33m
1 stop
HOU10:03 amHouston Hobby
$439
Find similar
Delta
Feb 20
HOU1:06 pmHouston Hobby
7h 45m
1 stop
SAN6:51 pmSan Diego
Feb 24
SAN6:30 amSan Diego
7h 58m
1 stop
HOU4:28 pmHouston Hobby
$447
Find similar
Delta
Feb 13
HOU1:06 pmHouston Hobby
9h 31m
1 stop
SAN8:37 pmSan Diego
Feb 19
SAN11:16 amSan Diego
9h 12m
1 stop
HOU10:28 pmHouston Hobby
$457
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 December 10, 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

Sat 2/7

2:43 pm-10:25 am

1 stop21h 42m

San Diego

Sat 2/14

6:25 am-10:37 am

1 stop26h 12m

$174

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 2/23

10:28 pm-10:46 pm

2 stops26h 18m

San Diego

Thu 2/26

12:21 pm-12:31 am

1 stop10h 10m

$175

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Thu 1/22

12:55 pm-10:24 am

1 stop23h 29m

San Diego

Mon 1/26

10:01 pm-12:19 am

2 stops24h 18m

$176

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Fri 2/6

2:43 pm-12:08 am

2 stops11h 25m

San Diego

Wed 2/11

6:25 am-12:31 am

1 stop16h 06m

$177

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Sat 2/7

7:00 pm-7:21 pm

1 stop26h 21m

San Diego

Fri 2/13

6:25 am-5:12 pm

2 stops32h 47m

$179

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

Mon 2/9

10:14 pm-10:46 pm

2 stops26h 32m

San Diego

Thu 2/12

8:00 am-9:33 pm

1 stop11h 33m

$180

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 1/13

4:55 pm-8:41 pm

1 stop5h 46m

San Diego

Sat 1/17

7:10 am-6:06 pm

1 stop8h 56m

$384

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 2/10

4:55 pm-6:30 pm

Nonstop3h 35m

San Diego

Wed 2/18

6:10 pm-11:15 pm

Nonstop3h 05m

$409

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 2/10

4:55 pm-10:50 pm

1 stop7h 55m

San Diego

Wed 2/18

9:15 am-7:55 pm

1 stop8h 40m

$414

HoustonSan Diego

HOU - SAN

HOUSAN

Houston Hobby

Tue 2/10

9:00 am-1:30 pm

1 stop6h 30m

San Diego

Wed 2/18

6:10 pm-11:15 pm

Nonstop3h 05m

$415

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 January is also very affordable. Most momondo users find prices during this month for around $350.

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 $437. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $581. 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 $464. Flights at noon are often more expensive with an average ticket price of $482.

What is the cheapest Houston to San Diego flight route?

Fly from Houston George Bush Intcntl 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 $403 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 $318 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 27m

Direct flights

Every day

Airports in San Diego

1 airport
The fastest flight from Houston to San Diego takes 3h 27m
Direct flights go from Houston to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • 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 27m, 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 $100Free CancellationRating
6.3
8,174 reviews
Search Spirit Airlines flights
FrontierPriceFrom $113Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
SouthwestPriceFrom $264Free CancellationRating
7.9
4,253 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
National City
Imperial Beach
Poway
La Mesa
Borrego Springs
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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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