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Cheap flights from Houston to San Diego (IAH - SAN)

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The best prices from Houston to San Diego are usually found in September or October, booked 24 days in advance, depart on a Saturday or Tuesday and return on a Saturday

How to find the cheapest flight from
Houston (IAH) to San Diego (SAN)

IAH - SAN
Price
$121 - $236
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches
Popular in March High demand for flights, 23% potential price rise
Cheapest in September Best time to find cheap flights, 33% potential price drop
Round-trip from $121 From Houston to San Diego
One-way from $46 One-way flight from Houston to San Diego
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Houston to San Diego?

Saturday flights are found to be more expensive to fly from Houston to San Diego. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

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

Users have found that booking a flight from Houston to San Diego at least 33 days early can save you up to 19% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from Houston to San Diego for as little as $86 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $107 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, May can be a great choice for travel to San Diego. Flights to San Diego from Houston in May are about $98 on average during May, but can be found for as low as $58.

Cheap flights from Houston to San Diego in July, August 2020

The best prices found for IAH to SAN flights for July, August
15 Jul - 22 Jul
$94pp
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
15 Jul - 22 Jul
$95pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
8 Jul - 15 Jul
$96pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Houston to San Diego 2020 flight deals

Cheap flights to San Diego from Houston found for this year
15 Jul - 22 Jul
$94pp
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
15 Jul - 22 Jul
$95pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
8 Jul - 15 Jul
$96pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Non-stop flights to San Diego from Houston

Save time with Houston to San Diego direct flight deals
8 Jul - 15 Jul
$96pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
7 Jul - 13 Jul
$97pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
16 Jul - 23 Jul
$98pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Last minute flights from Houston to San Diego

Late deals on round-trip flights to San Diego from Houston, departing today and this week
28 Jun - 5 Jul
$206pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
27 Jun - 3 Jul
$261pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
27 Jun - 12 Jul
$271pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

One-way flights to San Diego from Houston

The cheapest one-way flights from Houston to San Diego
5:59 pm - 7:08 pm
Spirit Airlines
Nonstop
3h 09m
IAH - SAN
Spirit Airlines
$46
KAYAK
5:59 pm - 7:08 pm
Spirit Airlines
Nonstop
3h 09m
IAH - SAN
Spirit Airlines
$47
KAYAK
5:59 pm - 7:08 pm
Spirit Airlines
Nonstop
3h 09m
IAH - SAN
Spirit Airlines
$49
FlyFar

Related info for your journey

Useful info, stats and facts about Houston to San Diego flights.

Flight FAQs

From Houston to San Diego

Are flight prices decreasing from Houston to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Houston and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Houston to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Houston to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $94, but on average you can expect to pay $105.

Are there nonstop flights from Houston to San Diego for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to San Diego under $100. A good price for a nonstop flight from Houston to San Diego is less than $112.

Are there last-minute flights available from Houston to San Diego for under $300?

There are currently 20+ open flights from Houston to San Diego within the next 7 days for less than $300.

How popular is this flight route?

The Houston George Bush Intcntl to San Diego flight path was viewed by 358 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for United Air Lines Inc., as currently they have the cheapest options available from Houston to San Diego. On average you can find 157 flights for this flight path daily.

Does it rain more in Houston or San Diego?

The rainfall in Houston is generally less than the rainfall in San Diego. This will continue over the next 15 days.

Is Houston weather warmer or cooler than San Diego?

With an average temperature of 86 °F, peak weather can be found in August. As a traveler, expect to see changes in flight prices during that period. The temperatures in San Diego are colder than in Houston.

Alternative routes for Houston to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Houston to San Diego
Flight duration
3h 13m
Average temperature for July in San Diego
78.8 °F
Avg rainfall for July in San Diego
0.1 ″

Airports servicing Houston

Airports servicing San Diego

Hourly flight availability from Houston to San Diego

Morning 6 AM to noon 50% of IAH to SAN departures
Evening 6 PM to midnight 50% of IAH to SAN departures
Early morning Midnight to 6 AM 0% of IAH to SAN departures
Afternoon Noon to 6 PM 0% of IAH to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Houston to San Diego
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
2 daily flights