Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Houston from $123

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 8/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Diego to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:43 am - 7:58 pm
SAN
-
IAH
8h 15m
1 stop
Frontier Logo
11:51 am - 3:43 pm
IAH
-
SAN
5h 52m
1 stop
$254Frontier
Tue, Jun 30 - Wed, Jul 8
Frontier Logo
4:38 pm - 1:59 pm
SAN
-
IAH
19h 21m
1 stop
Frontier Logo
11:51 am - 3:43 pm
IAH
-
SAN
5h 52m
1 stop
$255Frontier
Wed, Jul 29 - Mon, Aug 10
Frontier Logo
4:12 pm - 12:22 pm
SAN
-
IAH
18h 10m
2 stops
Frontier Logo
11:51 am - 3:43 pm
IAH
-
SAN
5h 52m
1 stop
$256Frontier
Tue, Jul 28 - Sat, Aug 8
Frontier Logo
4:12 pm - 1:59 pm
SAN
-
IAH
19h 47m
1 stop
Frontier Logo
11:51 am - 3:27 pm
IAH
-
SAN
5h 36m
1 stop
$257Frontier
Thu, Jul 23 - Thu, Jul 30
Frontier Logo
8:51 pm - 12:22 pm
SAN
-
IAH
13h 31m
1 stop
Frontier Logo
6:14 pm - 11:51 pm
IAH
-
SAN
7h 37m
1 stop
$259Frontier
Mon, Aug 3 - Fri, Aug 7
Frontier Logo
4:17 pm - 2:16 pm
SAN
-
IAH
19h 59m
1 stop
Frontier Logo
8:43 pm - 2:08 pm
IAH
-
SAN
19h 25m
1 stop
$260Frontier
Mon, Jun 29 - Tue, Jul 7
Southwest Logo
1:15 pm - 6:35 pm
SAN
-
HOU
3h 20mnonstop
Southwest Logo
5:10 pm - 6:20 pm
HOU
-
SAN
3h 10mnonstop
$397Southwest
Tue, Jul 28 - Wed, Aug 5
Southwest Logo
7:10 pm - 12:25 am
SAN
-
HOU
3h 15mnonstop
Southwest Logo
3:30 pm - 6:20 pm
HOU
-
SAN
4h 50m
1 stop
$403Southwest
Wed, Jul 1 - Wed, Jul 8
Delta Logo
10:30 pm - 9:45 am
SAN
-
HOU
9h 15m
1 stop
Delta Logo
5:20 pm - 11:00 pm
HOU
-
SAN
7h 40m
1 stop
$417Delta
Tue, Jul 28 - Tue, Aug 18
American Airlines Logo
4:32 pm - 11:56 pm
SAN
-
HOU
5h 24m
1 stop
American Airlines Logo
6:49 pm - 10:37 pm
HOU
-
SAN
5h 48m
1 stop
$418American Airlines
Thu, Jul 9 - Mon, Jul 13

Southwest flights from San Diego to Houston

Our best Southwest deals on San Diego to Houston flight tickets
Southwest
Jul 28
SAN1:15 pmSan Diego
3h 20m
HOU6:35 pmHouston Hobby
Aug 5
HOU5:10 pmHouston Hobby
3h 10m
SAN6:20 pmSan Diego
$397
Southwest
Jul 1
SAN7:10 pmSan Diego
3h 15m
HOU12:25 amHouston Hobby
Jul 8
HOU3:30 pmHouston Hobby
4h 50m
1 stop
SAN6:20 pmSan Diego
$403
Southwest
Jul 1
SAN7:10 pmSan Diego
3h 15m
HOU12:25 amHouston Hobby
Jul 4
HOU5:25 amHouston Hobby
5h 55m
1 stop
SAN9:20 amSan Diego
$407

Delta flights from San Diego to Houston

Our best Delta deals on San Diego to Houston flight tickets
Delta
Jul 28
SAN10:30 pmSan Diego
9h 15m
1 stop
HOU9:45 amHouston Hobby
Aug 18
HOU5:20 pmHouston Hobby
7h 40m
1 stop
SAN11:00 pmSan Diego
$417
Delta
Jul 29
SAN10:30 pmSan Diego
9h 15m
1 stop
HOU9:45 amHouston Hobby
Aug 12
HOU5:20 pmHouston Hobby
7h 40m
1 stop
SAN11:00 pmSan Diego
$427

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Houston 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 June 6, 2026.
Use the filters below to find and compare flights from San Diego to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 6/30

9:43 am-7:58 pm

1 stop8h 15m

Houston George Bush Intcntl

Wed 7/8

11:51 am-3:43 pm

1 stop5h 52m

$254

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Wed 7/29

4:38 pm-1:59 pm

1 stop19h 21m

Houston George Bush Intcntl

Mon 8/10

11:51 am-3:43 pm

1 stop5h 52m

$255

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Tue 7/28

4:12 pm-12:22 pm

2 stops18h 10m

Houston George Bush Intcntl

Sat 8/8

11:51 am-3:43 pm

1 stop5h 52m

$256

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Thu 7/23

4:12 pm-1:59 pm

1 stop19h 47m

Houston George Bush Intcntl

Thu 7/30

11:51 am-3:27 pm

1 stop5h 36m

$257

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Mon 8/3

8:51 pm-12:22 pm

1 stop13h 31m

Houston George Bush Intcntl

Fri 8/7

6:14 pm-11:51 pm

1 stop7h 37m

$259

San DiegoHouston

SAN - IAH

SANIAH

San Diego

Mon 6/29

4:17 pm-2:16 pm

1 stop19h 59m

Houston George Bush Intcntl

Tue 7/7

8:43 pm-2:08 pm

1 stop19h 25m

$260
Quickest round-trip

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Tue 7/28

1:15 pm-6:35 pm

Nonstop3h 20m

Houston Hobby

Wed 8/5

5:10 pm-6:20 pm

Nonstop3h 10m

$397

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Wed 7/1

7:10 pm-12:25 am

Nonstop3h 15m

Houston Hobby

Wed 7/8

3:30 pm-6:20 pm

1 stop4h 50m

$403

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Tue 7/28

10:30 pm-9:45 am

1 stop9h 15m

Houston Hobby

Tue 8/18

5:20 pm-11:00 pm

1 stop7h 40m

$417

San DiegoHouston

SAN - HOU

SANHOU

San Diego

Thu 7/9

4:32 pm-11:56 pm

1 stop5h 24m

Houston Hobby

Mon 7/13

6:49 pm-10:37 pm

1 stop5h 48m

$418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

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

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 typical price of a round-trip flight between San Diego and Houston?

What is the cheapest month to fly to Houston?

The month of October is, on average, the cheapest month to fly to Houston from San Diego, with most prices found around $80. The month of September is another great option to travel to Houston, with average flight prices from San Diego averaging around $81.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from San Diego is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $438. However, this price may fluctuate depending on the airline, the season, and holidays. 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 on Sunday is $529.

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

Our data shows that the cheapest San Diego to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $447. Try not to purchase tickets in the afternoon because they tend to be around $526. 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 flight route?

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

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

You are more likely to see cheaper flights to Houston from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from San Diego for as low as $306 on momondo.

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

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

Cheap San Diego to Houston flight deals and tips

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

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from San Diego to Houston takes 3h 05m
Direct flights go from San Diego to Houston every day.
There are 2 airports in Houston. From San Diego there are direct flights to Houston George Bush Intcntl (IAH), Houston Hobby (HOU).
Search flight deals

Frequently asked questions about flying from San Diego to Houston

  • How far is San Diego to Houston by plane?

    A flight from San Diego to Houston will travel around 1300.1 mi. Typically, this will take 3h 05m by plane in normal conditions.

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

    Prices for flights from San Diego Airport to Houston are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

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

Best airlines flying from San Diego to Houston

Compare and see reviews for airlines that fly from San Diego to Houston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.6
2,910 reviews
Search Frontier flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights
SouthwestPriceFrom $267Free CancellationRating
8.0
4,258 reviews
Search Southwest flights

Why use momondo?

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

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

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

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

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?

Yes momondo offers price alerts on flights to Houston from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Houston 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/6
Mon 7/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States