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Cheap flights from Houston George Bush Intcntl Airport to San Diego 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 Houston George Bush Intcntl Airport to San Diego 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
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
Spirit Airlines Logo
7:47 pm - 5:50 amSAN-IAH
8h 03m1 stop
$91Spirit Airlines
Find Deal
土, 8月 30 - 土, 9月 6
Spirit Airlines Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
Spirit Airlines Logo
7:01 pm - 5:55 amSAN-IAH
8h 54m1 stop
$98Spirit Airlines
Find Deal
土, 8月 30 - 火, 9月 2
Spirit Airlines Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
Spirit Airlines Logo
7:01 pm - 5:55 amSAN-IAH
8h 54m1 stop
$101Spirit Airlines
Find Deal
土, 8月 30 - 火, 9月 2
Spirit Airlines Logo
8:56 pm - 7:21 amIAH-SAN
12h 25m1 stop
Spirit Airlines Logo
7:01 pm - 5:55 amSAN-IAH
8h 54m1 stop
$117Spirit Airlines
Find Deal
土, 8月 23 - 火, 8月 26
Spirit Airlines Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
Spirit Airlines Logo
6:15 am - 4:22 pmSAN-IAH
8h 07m1 stop
$123Spirit Airlines
Find Deal
土, 8月 16 - 水, 8月 27
Spirit Airlines Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
Spirit Airlines Logo
8:25 am - 4:43 pmSAN-IAH
6h 18m1 stop
$126Spirit Airlines
Find Deal
火, 9月 2 - 木, 9月 4
Spirit Airlines Logo
9:26 pm - 7:29 amIAH-SAN
12h 03m1 stop
Spirit Airlines Logo
7:47 pm - 5:50 amSAN-IAH
8h 03m1 stop
$129Spirit Airlines
Find Deal
日, 9月 7 - 火, 9月 9
Spirit Airlines Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
Spirit Airlines Logo
7:47 pm - 5:50 amSAN-IAH
8h 03m1 stop
$137Spirit Airlines
Find Deal
火, 9月 2 - 金, 9月 5
Logo
9:14 am - 5:56 pmIAH-SAN
10h 42m1 stop
Logo
2:09 pm - 10:09 pmSAN-IAH
6h 00m1 stop
$164
Find Deal
水, 8月 27 - 日, 8月 31
United Airlines Logo
8:17 pm - 9:41 pmIAH-SAN
3h 24mnonstop
United Airlines Logo
10:15 am - 3:34 pmSAN-IAH
3h 19mnonstop
$197United Airlines
Find Deal
土, 8月 23 - 火, 8月 26

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

Our best Spirit Airlines deals on Houston George Bush Intcntl Airport to San Diego flight tickets
Spirit Airlines
Aug 30
IAH8:56 pmHouston George Bush Intcntl
12h 25m
1 stop
SAN7:21 amSan Diego
Sep 6
SAN7:47 pmSan Diego
8h 03m
1 stop
IAH5:50 amHouston George Bush Intcntl
$91
Find similar
Spirit Airlines
Aug 30
IAH9:14 amHouston George Bush Intcntl
10h 42m
1 stop
SAN5:56 pmSan Diego
Sep 2
SAN7:01 pmSan Diego
8h 54m
1 stop
IAH5:55 amHouston George Bush Intcntl
$98
Find similar
Spirit Airlines
Aug 30
IAH9:14 amHouston George Bush Intcntl
10h 42m
1 stop
SAN5:56 pmSan Diego
Sep 2
SAN7:01 pmSan Diego
8h 54m
1 stop
IAH5:55 amHouston George Bush Intcntl
$101
Find similar

Frontier flights from Houston George Bush Intcntl Airport to San Diego

Our best Frontier deals on Houston George Bush Intcntl Airport to San Diego flight tickets
Frontier
Aug 13
IAH7:00 amHouston George Bush Intcntl
6h 10m
1 stop
SAN11:10 amSan Diego
Aug 16
SAN4:44 pmSan Diego
14h 36m
1 stop
IAH9:20 amHouston George Bush Intcntl
$218
Find similar
Frontier
Aug 9
IAH7:00 amHouston George Bush Intcntl
18h 02m
1 stop
SAN11:02 pmSan Diego
Aug 12
SAN6:25 amSan Diego
15h 24m
1 stop
IAH11:49 pmHouston George Bush Intcntl
$225
Find similar
Frontier
Aug 4
IAH10:04 pmHouston George Bush Intcntl
26h 58m
1 stop
SAN11:02 pmSan Diego
Aug 6
SAN7:04 pmSan Diego
19h 10m
1 stop
IAH4:14 pmHouston George Bush Intcntl
$235
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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 8月 2, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport 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

土 8/30

8:56 pm-7:21 am

1 stop12h 25m

San Diego

土 9/6

7:47 pm-5:50 am

1 stop8h 03m

$91

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

土 8/30

9:14 am-5:56 pm

1 stop10h 42m

San Diego

火 9/2

7:01 pm-5:55 am

1 stop8h 54m

$98

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

土 8/30

9:14 am-5:56 pm

1 stop10h 42m

San Diego

火 9/2

7:01 pm-5:55 am

1 stop8h 54m

$101

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

土 8/23

8:56 pm-7:21 am

1 stop12h 25m

San Diego

火 8/26

7:01 pm-5:55 am

1 stop8h 54m

$117

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

土 8/16

9:14 am-5:56 pm

1 stop10h 42m

San Diego

水 8/27

6:15 am-4:22 pm

1 stop8h 07m

$123

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

火 9/2

9:14 am-5:56 pm

1 stop10h 42m

San Diego

木 9/4

8:25 am-4:43 pm

1 stop6h 18m

$126

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

日 9/7

9:26 pm-7:29 am

1 stop12h 03m

San Diego

火 9/9

7:47 pm-5:50 am

1 stop8h 03m

$129

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

火 9/2

9:14 am-5:56 pm

1 stop10h 42m

San Diego

金 9/5

7:47 pm-5:50 am

1 stop8h 03m

$137

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

水 8/27

9:14 am-5:56 pm

1 stop10h 42m

San Diego

日 8/31

2:09 pm-10:09 pm

1 stop6h 00m

$164

HoustonSan Diego

IAH - SAN

IAHSAN

Houston George Bush Intcntl

土 8/23

8:17 pm-9:41 pm

Nonstop3h 24m

San Diego

火 8/26

10:15 am-3:34 pm

Nonstop3h 19m

$197

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 George Bush Intcntl Airport 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 George Bush Intcntl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $284.

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

The cheapest day to depart from Houston George Bush Intcntl Airport 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 $458. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $550. 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 $456. Flights at noon are often more expensive with an average ticket price of $516.

What is the cheapest Houston George Bush Intcntl to San Diego flight route?

Fly from Houston George Bush Intcntl to San Diego for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport 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 George Bush Intcntl Airport for as low as $285 on momondo.

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

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

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

As of August 2025, prices for Houston George Bush Intcntl Airport to San Diego flights are approximately 64% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$42

Fastest flight time

3h 24m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Houston George Bush Intcntl Airport in the past 72 hours is $42. The best round-trip flight deal from Houston George Bush Intcntl Airport to San Diego found on momondo in the last 72 hours is $91.
The fastest flight from Houston George Bush Intcntl Airport to San Diego takes 3h 24m
Direct flights go from Houston George Bush Intcntl Airport to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

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

    The distance between Houston George Bush Intcntl and San Diego is about 1297.7 mi. 3h 24m is a normal flight duration for this route.

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

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

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

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

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

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $89Free CancellationRating
6.3
8,054 reviews
Search Spirit Airlines flights
FrontierPriceFrom $109Free CancellationRating
5.8
3,241 reviews
Search Frontier flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights

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

    United Airlines is one of the most popular airlines flying from Houston George Bush Intcntl Airport to San Diego, operating 34 flights/week on average for this route. A good United Airlines flight deal for Houston George Bush Intcntl Airport to San Diego starts from $276 round-trip, up to an average price of $491. Our users have rated United Airlines at 7.4/10.

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
La Mesa
Imperial Beach
San Ysidro
Poway
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

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

It is quick and easy to find Houston to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

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

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

Once you have performed a search for Houston to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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