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Cheap flights from San Diego to Houston from $42

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 9/9. 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
7:01 pm - 5:55 amSAN-IAH
8h 54m1 stop
Spirit Airlines Logo
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
$122Spirit Airlines
Find Deal
Wed, Aug 13 - Thu, Aug 14
Spirit Airlines Logo
6:15 am - 4:22 pmSAN-IAH
8h 07m1 stop
Spirit Airlines Logo
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
$125Spirit Airlines
Find Deal
Thu, Aug 14 - Sat, Aug 16
Spirit Airlines Logo
3:57 pm - 11:49 pmSAN-IAH
5h 52m1 stop
Spirit Airlines Logo
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
$131Spirit Airlines
Find Deal
Tue, Aug 12 - Mon, Aug 18
Spirit Airlines Logo
6:15 am - 4:22 pmSAN-IAH
8h 07m1 stop
Spirit Airlines Logo
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
$134Spirit Airlines
Find Deal
Wed, Aug 20 - Mon, Aug 25
Spirit Airlines Logo
7:01 pm - 6:05 amSAN-IAH
9h 04m1 stop
Spirit Airlines Logo
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
$136Spirit Airlines
Find Deal
Thu, Aug 14 - Sun, Aug 17
Spirit Airlines Logo
7:01 pm - 5:55 amSAN-IAH
8h 54m1 stop
Spirit Airlines Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
$141Spirit Airlines
Find Deal
Wed, Aug 13 - Thu, Aug 14
Spirit Airlines Logo
7:00 pm - 5:55 amSAN-IAH
8h 55m1 stop
Spirit Airlines Logo
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
$145Spirit Airlines
Find Deal
Mon, Aug 11 - Wed, Aug 13
Spirit Airlines Logo
7:01 pm - 6:05 amSAN-IAH
9h 04m1 stop
Spirit Airlines Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
$146Spirit Airlines
Find Deal
Fri, Aug 15 - Mon, Aug 18
United Airlines Logo
8:00 am - 1:13 pmSAN-IAH
3h 13mnonstop
United Airlines Logo
9:30 am - 11:01 amIAH-SAN
3h 31mnonstop
$197United Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 8
Logo
2:09 pm - 10:09 pmSAN-IAH
6h 00m1 stop
Logo
9:32 am - 6:42 pmIAH-SAN
11h 10m1 stop
$199
Find Deal
Sun, Aug 31 - Wed, Sep 10

Spirit Airlines flights from San Diego to Houston George Bush Intcntl Airport

Our best Spirit Airlines deals on San Diego to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines
Aug 13
SAN7:01 pmSan Diego
8h 54m
1 stop
IAH5:55 amHouston George Bush Intcntl
Aug 14
IAH8:56 pmHouston George Bush Intcntl
12h 25m
1 stop
SAN7:21 amSan Diego
$122
Find similar
Spirit Airlines
Aug 14
SAN6:15 amSan Diego
8h 07m
1 stop
IAH4:22 pmHouston George Bush Intcntl
Aug 16
IAH8:56 pmHouston George Bush Intcntl
12h 25m
1 stop
SAN7:21 amSan Diego
$125
Find similar
Spirit Airlines
Aug 12
SAN3:57 pmSan Diego
5h 52m
1 stop
IAH11:49 pmHouston George Bush Intcntl
Aug 18
IAH8:56 pmHouston George Bush Intcntl
12h 25m
1 stop
SAN7:21 amSan Diego
$131
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Frontier flights from San Diego to Houston George Bush Intcntl Airport

Our best Frontier deals on San Diego to Houston George Bush Intcntl Airport flight tickets
Frontier
Aug 2
SAN6:25 amSan Diego
15h 24m
1 stop
IAH11:49 pmHouston George Bush Intcntl
Aug 5
IAH7:00 amHouston George Bush Intcntl
18h 02m
1 stop
SAN11:02 pmSan Diego
$225
Find similar
Frontier
Aug 2
SAN6:25 amSan Diego
15h 24m
1 stop
IAH11:49 pmHouston George Bush Intcntl
Aug 8
IAH1:07 pmHouston George Bush Intcntl
5h 51m
1 stop
SAN4:58 pmSan Diego
$235
Find similar
Frontier
Aug 1
SAN6:25 amSan Diego
25h 39m
1 stop
IAH10:04 amHouston George Bush Intcntl
Aug 8
IAH10:04 pmHouston George Bush Intcntl
26h 58m
1 stop
SAN11:02 pmSan Diego
$245
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Houston George Bush Intcntl Airport 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 31, 2025.
Use the filters below to find and compare flights from San Diego to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 8/13

7:01 pm-5:55 am

1 stop8h 54m

Houston George Bush Intcntl

Thu 8/14

8:56 pm-7:21 am

1 stop12h 25m

$122

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Thu 8/14

6:15 am-4:22 pm

1 stop8h 07m

Houston George Bush Intcntl

Sat 8/16

8:56 pm-7:21 am

1 stop12h 25m

$125

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 8/12

3:57 pm-11:49 pm

1 stop5h 52m

Houston George Bush Intcntl

Mon 8/18

8:56 pm-7:21 am

1 stop12h 25m

$131

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 8/20

6:15 am-4:22 pm

1 stop8h 07m

Houston George Bush Intcntl

Mon 8/25

8:56 pm-7:21 am

1 stop12h 25m

$134

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Thu 8/14

7:01 pm-6:05 am

1 stop9h 04m

Houston George Bush Intcntl

Sun 8/17

8:56 pm-7:21 am

1 stop12h 25m

$136

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 8/13

7:01 pm-5:55 am

1 stop8h 54m

Houston George Bush Intcntl

Thu 8/14

9:14 am-5:56 pm

1 stop10h 42m

$141

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Mon 8/11

7:00 pm-5:55 am

1 stop8h 55m

Houston George Bush Intcntl

Wed 8/13

8:56 pm-7:21 am

1 stop12h 25m

$145

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Fri 8/15

7:01 pm-6:05 am

1 stop9h 04m

Houston George Bush Intcntl

Mon 8/18

9:14 am-5:56 pm

1 stop10h 42m

$146

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 11/5

8:00 am-1:13 pm

Nonstop3h 13m

Houston George Bush Intcntl

Sat 11/8

9:30 am-11:01 am

Nonstop3h 31m

$197

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Sun 8/31

2:09 pm-10:09 pm

1 stop6h 00m

Houston George Bush Intcntl

Wed 9/10

9:32 am-6:42 pm

1 stop11h 10m

$199

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 George Bush Intcntl Airport

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 Houston George Bush Intcntl Airport?

The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from San Diego, with most prices found around $277. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from San Diego during the month July is also very affordable. Most momondo users find prices during this month for around $297.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from San Diego to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $526. 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 George Bush Intcntl Airport on Sunday is $648.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest San Diego to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $235. Try not to purchase tickets in the morning because they tend to be around $563. 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 George Bush Intcntl flight route?

Fly from San Diego to Houston George Bush Intcntl for the best San Diego - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from San Diego for as low as $260 on momondo.

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

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

How have San Diego to Houston George Bush Intcntl Airport flight prices changed over time?

As of July 2025, prices for San Diego to Houston George Bush Intcntl Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Houston George Bush Intcntl Airport (SAN to IAH) flight deals and tips

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

Best Price Found

$42

Fastest flight time

3h 13m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from San Diego in the past 72 hours is $42. The best round-trip flight deal from San Diego to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $122.
The fastest flight from San Diego to Houston George Bush Intcntl Airport takes 3h 13m
Direct flights go from San Diego to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is San Diego to Houston George Bush Intcntl by plane?

    The straight-line distance from San Diego to Houston George Bush Intcntl is 1297.7 mi. Flights usually cover this in 3h 13m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Diego Airport to Houston George Bush Intcntl Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The required travel and health documents for your Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to Houston George Bush Intcntl Airport?

  • What is the most popular airline from San Diego to Houston George Bush Intcntl Airport?

Best airlines flying from San Diego to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from San Diego to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $81Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $95Free CancellationRating
6.3
8,048 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

  • United Airlines Flights From San Diego to Houston George Bush Intcntl Airport

    Across 26 United Airlines flights from San Diego to Houston George Bush Intcntl Airport this week, the average price was $484, with the best United Airlines deals starting from $296 round-trip. 8,900 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from San Diego.

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

Yes. momondo enables you to select and highlight flights to Houston from San Diego with this policy.

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?

If you are not ready to book a flight from San Diego to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

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