$212 Cheap United flights from San Diego to Houston (SAN to IAH)

Find The Best Day To Fly from San Diego to Houston

Amazing United SAN to IAH Flight Deals

The cheapest flights to George Bush Intercontinental found within the past 7 days were $407 round trip and $212 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Jun 9 - Tue, Jun 16
SAN
San Diego
IAH
Houston
$407 Roundtrip, found 3 days ago
$407
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jun 9 from San Diego to Houston, returning Tue, Jun 16, priced at $407 found 3 days ago

IAH From SAN Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Margaritaville Lake Resort, Lake Conroe/Houston

Margaritaville Lake Resort, Lake Conroe/Houston

3.5 out of 5
Price was $947, price is now $727 per person
$727
per person
Mar 6 - Mar 10
found 5 hours ago
Roundtrip flight included
San Diego (SAN) to Houston (IAH)
DoubleTree by Hilton Hotel & Suites Houston by the Galleria

DoubleTree by Hilton Hotel & Suites Houston by the Galleria

4 out of 5
Price was $1,039, price is now $757 per person
$757
per person
Feb 27 - Mar 3
found 1 day ago
Roundtrip flight included
San Diego (SAN) to Houston (IAH)
Blossom Hotel Houston, Curio Collection by Hilton

Blossom Hotel Houston, Curio Collection by Hilton

4 out of 5
Price was $1,300, price is now $1,004 per person
$1,004
per person
Feb 27 - Mar 3
found 1 day ago
Roundtrip flight included
San Diego (SAN) to Houston (IAH)
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Frequently asked questions

Can I catch a flight from San Diego Airport to George Bush Intercontinental Airport (IAH) right now?
Ensure you visit the Covid-19 Travel Advisor to discover if there are any current quarantine requirements and travel advice reports in effect in IAH when jet-setting from San Diego Airport.
What terminal is United Airlines at San Diego Intl. Airport (SAN)?
If you're flying with United Airlines from SAN, you'll generally board from terminal 2. If you're heading to George Bush Intercontinental Airport (IAH) from here, you're likely to be disembarking at terminal C.
Are there United Airlines non-stop flights from SAN to IAH?
If you're traveling from San Diego Airport to IAH and want to fly nonstop, United Airlines will sort you out. Lock in your seat now and you'll be touching down at the other end in a flash.
How long is a United Airlines flight from SAN to IAH?
Your United Airlines flight from San Diego Airport to George Bush Intercontinental Airport (IAH) should take around 4 hours and 22 minutes. There are many things you can do to keep yourself busy. Talking to the person next to you about their travel plans is one of them. If you'd prefer a different sort of in-flight entertainment, you could always turn on your TV screen.
What type of aircraft does United Airlines fly from SAN to IAH?
United Airlines commonly operates the Boeing 737-900 or the Airbus A320 on the route between SAN and Houston Airport.
How many direct and indirect flights does United Airlines fly from SAN to IAH?
If you're planning a jaunt from SAN to IAH, you can pick from 5 United Airlines flights every day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Houston Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from San Diego SAN to Houston IAH 

To find the best deals on flights to San Diego from Houston with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Diego SAN to Houston IAH with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $407 to $407, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Diego SAN to Houston IAH 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Diego to Houston costs from $212. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Houston IAH from  San Diego SAN with United 

To find a cheap United flight from San Diego SAN to Houston IAH, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Diego SAN to Houston IAH 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as June, or if you book a flight with a stopover. 

 

Find nonstop flights from San Diego SAN to Houston IAH with United 

If you’re keen to be on Houston soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Diego SAN to Houston IAH 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Houston IAH from  San Diego SAN with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Houston

Houston Airport Marriott at George Bush Intercontinental

Houston Airport Marriott at George Bush Intercontinental

3.5 out of 5
18700 John F Kennedy Blvd Houston TX
This hotel features a restaurant, an outdoor pool, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.6/10 Excellent! (1,700 reviews)
Clean

Reviewed on Jan 20, 2026

Houston Airport Marriott at George Bush Intercontinental
La Quinta Inn & Suites by Wyndham Houston Bush IAH South

La Quinta Inn & Suites by Wyndham Houston Bush IAH South

3 out of 5
15510 JFK Blvd Houston TX
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free airport ...
8.2/10 Very Good! (1,345 reviews)
Very clean room .. nice continental breakfast.. great shuttle service

Reviewed on Jan 22, 2026

La Quinta Inn & Suites by Wyndham Houston Bush IAH South
SpringHill Suites by Marriott Houston Intercontinental Arprt

SpringHill Suites by Marriott Houston Intercontinental Arprt

3 out of 5
15840 John F Kennedy Blvd Houston TX
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free airport ...
8.8/10 Excellent! (1,651 reviews)
Room was clean. Breakfast buffet was very basic and water pressure was minimal. Works for a quick overnight for a cruise out of Galveston.

Reviewed on Jan 25, 2026

SpringHill Suites by Marriott Houston Intercontinental Arprt
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.