San Diego

$50+ Cheap flights from Houston to San Diego (SAN)

HOU — SAN
Dec 4 — Dec 111
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Cheapflights Tip: The best prices from Houston to San Diego are usually found in October or April, booked 81 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from Houston to San Diego

Cheapest flights from Houston to San Diego

Thu 12/176:04 pm -
2 stops31h 54m
Tue 12/227:53 pm -
1 stop13h 21m
Deal found 11/3$246
Tue 12/15:50 pm -
1 stop6h 05m
Tue 12/85:50 pm -
Nonstop3h 05m
Deal found 11/3$247
Wed 12/27:00 am -
1 stop6h 15m
Wed 12/25:18 pm -
Nonstop3h 15m
Deal found 11/3$247
Wed 12/92:45 pm -
2 stops7h 55m
Wed 12/165:50 pm -
Nonstop3h 05m
Deal found 11/2$248
Thu 12/311:34 am -
2 stops14h 23m
Fri 12/47:05 pm -
2 stops26h 14m
Deal found 10/30$248
Wed 11/259:58 pm -
1 stop16h 09m
Mon 11/301:02 pm -
1 stop19h 37m
Deal found 11/1$249
Tue 12/229:21 pm -
2 stops18h 29m
Tue 12/292:45 pm -
2 stops18h 29m
Deal found 11/3$250
Thu 12/310:03 pm -
2 stops22h 07m
Sun 12/68:57 am -
2 stops23h 32m
Deal found 10/30$251
Thu 12/38:45 am -
2 stops6h 15m
Fri 12/412:50 pm -
Nonstop3h 05m
Deal found 10/30$252
Sat 11/2812:27 pm -
1 stop21h 28m
Sat 12/58:57 am -
1 stop12h 22m
Deal found 10/31$253
Thu 12/108:40 pm -
2 stops23h 31m
Mon 12/148:57 am -
2 stops23h 32m
Deal found 11/3$254
Fri 12/1810:59 pm -
1 stop26h 59m
Mon 12/286:36 am -
1 stop24h 38m
Deal found 11/2$255

Find flight deals from Houston to San Diego

Round-trip from

$245
(Trip.com)

One-way from

$50
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$432
From Houston to San Diego
One-way flight from Houston to San Diego
Highest demand for flights based on searches. 7% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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

Cheapest round-trip

HoustonSan Diego

HOU Houston Hobby - SAN San Diego

HOUSAN

Houston Hobby

Mon 12/7

8:45 am-10:10 am

Nonstop3h 25m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$119

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Tue 12/8

8:02 pm-9:32 pm

Nonstop3h 30m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$119

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Fri 12/11

11:55 am-1:24 pm

Nonstop3h 29m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$119

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Fri 1/29

4:20 pm-5:58 pm

Nonstop3h 38m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$119

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Mon 12/14

4:20 pm-5:49 pm

Nonstop3h 29m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$119

HoustonSan Diego

HOU Houston Hobby - SAN San Diego

HOUSAN

Houston Hobby

Tue 12/15

10:41 am-4:30 pm

1 stop7h 49m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$129

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Thu 12/3

4:20 pm-5:49 pm

Nonstop3h 29m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$151

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Fri 12/4

2:31 pm-4:00 pm

Nonstop3h 29m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$153

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Thu 11/26

11:55 am-1:24 pm

Nonstop3h 29m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$173

HoustonSan Diego

IAH Houston George Bush Intcntl - SAN San Diego

IAHSAN

Houston George Bush Intcntl

Mon 12/7

4:20 pm-5:49 pm

Nonstop3h 29m

San Diego

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 43 resultsSorted by cheapest first
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Best time to book a flight from Houston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Houston with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Houston to San Diego

What is the cheapest month to book a flight from Houston to San Diego?

Currently, October is the cheapest month in which you can book a flight from Houston to San Diego (average of $397). Flying from Houston to San Diego in June is currently the most expensive (average of $494). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to SAN?

When flying from Houston to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 9% versus a flight at noon.

How much does it cost to fly round-trip from Houston to San Diego?

Airfare is below average for this route at the moment.
Houston to San Diego flights typically cost between $296 and $529 in February.
The cheapest round-trip price found within the last 5 days was $245 on Frontier (Feb 12-Feb 15).

How often are flights from Houston to San Diego delayed?

About 15% of weekly flights between Houston and San Diego have experienced delays in the past year, with the average delay time being 140 minutes.

What is the most punctual flight time for Houston to San Diego flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to San Diego flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

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

The best time to book flights from Houston to San Diego is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Houston to San Diego?

Travelers seeking maximum savings on their Houston to San Diego flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Houston to San Diego flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston to San Diego trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Scott Laird

Scott Laird

Expert on HOU

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

Reviews of airlines servicing San Diego

See what other customers who have flown with Southwest,United Airlines, andJetBlue from Houston to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

  • What airport do you fly into for flights to San Diego from Houston?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from Houston to San Diego. 5 airlines have flights to San Diego from Houston on a regular basis. Booking flights from Houston to San Diego should not be difficult; the airport handles an average of 1 inbound flight from Houston per day.

  • How long is the flight from Houston to San Diego?

    Southwest, United Airlines, and Alaska Airlines can get you from Houston to San Diego in just under 3h 30m. Your travel time can differ by up to 13h 57m. There are 1300 mi between Houston and San Diego. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to San Diego round-trip?

    According to our current data, Frontier ($142), American Airlines ($236), and Southwest ($272) offers the cheapest pricing from Houston to San Diego. Frontier is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Houston to San Diego one-way?

    The cheapest airlines for a one-way flight from Houston to San Diego are Frontier ($74), United Airlines ($141), and Southwest ($150).

  • What are the cheapest flights from Houston to San Diego?

    While on average a flight from Houston to San Diego is generally $321, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Houston Hobby - San Diego), you can expect to pay $144 for that flight.

  • Can I find deals for flights from Houston to San Diego that include hotel bookings?

    Yes. In addition to deals on Houston to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to San Diego.

  • Can I find deals for business class flights from Houston to San Diego?

    Yes. Cheapflights offers flight deals from Houston to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to San Diego?

    Currently, October is the cheapest month in which you can book a flight from Houston to San Diego (average of $397). Flying from Houston to San Diego in June is currently the most expensive (average of $494). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Houston to San Diego

Top 5 airlines flying from Houston to San Diego

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$142Average$274FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$429FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$272Average$465FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$287Average$475FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$290Average$405FlexibilityNo cancel feeOn-time62%

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