C$72 Cheap Flights from San Diego International to Houston George Bush Intercntl.

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Flight deals from San Diego International to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best round-trip flight from San Diego International to Houston George Bush Intercntl.? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from San Diego International to Houston George Bush Intercntl.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Houston George Bush Intercntl. flights are currently cheapest in February.

Direct flights from San Diego International to Houston George Bush Intercntl.

San Diego International to Houston George Bush Intercntl.: Alternative routes

Compare routes from San Diego International to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

San Diego to Houston: Flight information

The things to know before you go.
Cheapest flight foundC$72
Cheapest month to flyFebruary
Average flight time3 hrs, 13 mins
Most popular airlineUnited
Average flights per week61

Finding cheap flights from San Diego International to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a return flight from San Diego International to Houston George Bush Intercntl. is C$145. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 13 minutes is the average flight time from San Diego International to Houston George Bush Intercntl..
United, Lufthansa and Emirates fly direct from San Diego International to Houston George Bush Intercntl..
As of January 2026, there are 61 flights per week flying from San Diego International to Houston George Bush Intercntl..
The cheapest month to fly from San Diego International to Houston George Bush Intercntl. is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Houston George Bush Intercntl. Airport on Friday, February 6, 2026.
Yes – the average flight time is 3 hours and 13 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston George Bush Intercntl. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Houston George Bush Intercntl..

Flying from San Diego International Airport (SAN) to George Bush Intercontinental Airport (IAH): what you need to know

  • The average length of a direct flight from San Diego International Airport to George Bush Intercontinental Airport is 3 hours 15 minutes. Houston's timezone is UTC-5, which makes Houston 2 hours ahead of San Diego.

  • Every week, there are 103 flights from San Diego International Airport to George Bush Intercontinental Airport. If you'd like to be on board early, take the 06:09 Spirit Airlines flight. If you're keen to make the most of your time before you fly, the latest flight from SAN to IAH is 20:30 with United Airlines.

  • Heading off during a peak time like a public holiday? Expect longer lines at check-in and security. To be on the safe side, arrive up to four hours before international flights and two hours before domestic departures.

  • If you want a stopover for your flight from San Diego International Airport to George Bush Intercontinental Airport, simply uncheck 'Direct flights only' and check out your options. These are the popular stopovers between SAN and IAH:

    • San Antonio International Airport

    • Austin-Bergstrom International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from San Diego International Airport (SAN) to George Bush Intercontinental Airport (IAH)

  • C$72 is the lowest price for a one-way ticket from San Diego International Airport to George Bush Intercontinental Airport. A return flight starts at C$145. These fares can change based on demand.

  • To get your hands on cheap flight tickets from SAN to IAH, book your trip 9 months before your departure.

  • The cheapest month for flight tickets from San Diego International Airport to George Bush Intercontinental Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have flexible dates.

  • Set up a Price Alert for cheap flight tickets from SAN to IAH. You don't need to check every day to see if fares have dropped. We'll let you know as soon as the price changes.

  • Use filters to tailor your flights from San Diego International Airport to George Bush Intercontinental Airport. Enter your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to get the best deals.

Handy information about San Diego International Airport (SAN)

  • San Diego International Airport is about 5 kilometres from central San Diego. If you're catching a cab, driving or ride-sharing from the center, it'll take 9 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be approximately 20 minutes.

  • After a stress-free start to your trip? Stay near SAN. Whether you're boarding an early flight from San Diego International Airport to George Bush Intercontinental Airport or just don't like being rushed, these stays are just the thing:

Arriving at George Bush Intercontinental Airport (IAH)

Getting from George Bush Intercontinental Airport (IAH) to central Houston

  • From George Bush Intercontinental Airport, Houston is approximately 27 kilometres away. It takes around 20 minutes to get to the center driving.

  • When traveling by public transport, expect a journey time of around 49 minutes.

When to fly to George Bush Intercontinental Airport (IAH)

  • The quietest month for a flight from San Diego International Airport to George Bush Intercontinental Airport is February, while July is the busiest. Choose the best time to go to Houston based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from San Diego International Airport to George Bush Intercontinental Airport for August if you'd like to visit Houston during its warmest month. Expect temperatures of between 24ºC and 40ºC.

  • Search for cheap flight tickets from SAN to IAH in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC and 19ºC on average.

More about Houston

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Houston right here. Explore these hotels as soon as you've booked your flight from SAN to IAH:

  • The Houston Museum of Natural Science and The Museum of Fine Arts, Houston, Beck Building are just a couple of the top-rated attractions to put on your Houston to-do list. Keep the momentum going by heading to Hermann Park.

Complete your Houston trip with hotels and a car rental

  • You've locked in your cheap ticket to George Bush Intercontinental Airport — now it's time to find a great place to stay, and perhaps even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Houston.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.