Cheap Flights from San Francisco International to Houston

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Flight deals from San Francisco International to Houston

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Houston? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Francisco International to Houston

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

Direct flights from San Francisco International to Houston

Alternative San Francisco International to Houston routes

Looking for the cheapest, fastest or easiest route from San Francisco International to Houston? You could fly into the following airports instead.

San Francisco to Houston: Flight information

The things to know before you go.
Cheapest flight found176 €
Cheapest month to flyMay
Average flight time3 hrs, 56 mins
Most popular airlineUnited
Average flights per week516

Finding cheap flights from San Francisco International to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from San Francisco International to Houston is 176 €. 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 56 minutes is the average flight time from San Francisco International to Houston.
United, Air New Zealand and Virgin Australia fly direct from San Francisco International to Houston.
As of May 2025, there are 280 flights per week flying from San Francisco International to Houston.
The cheapest month to fly from San Francisco International to Houston is usually May 2025.
If you're flying from San Francisco International Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from 176 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Houston on Tuesday, 6 May 2025.
Yes – the average flight time is 3 hours and 56 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 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.
In May, the average temperature is usually around 25°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Houston.

Travelling from San Francisco International Airport (SFO) to Houston: what you need to know

  • The average length of a direct flight from San Francisco International Airport to Houston is 4 hours 10 minutes.

  • San Francisco International Airport is located in San Francisco. Operating on the UTC-5 timezone, Houston is 2 hours ahead of San Francisco.

  • The busiest route is from San Francisco International Airport (SFO) to George Bush Intercontinental Airport (IAH). Take your pick of 89 weekly services between these two airports. If you want to get going as soon as possible, the earliest flight from SFO to IAH is the 00:25 United option. If you prefer to leave later in the day, the last departure is at 23:59 with United.

  • To ensure you get on your flight from SFO to Houston, leave plenty of time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • If you're flying during a popular month like August, be at the airport even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Expect lines to be longer during peak periods like spring break and summer.

  • Nonstop flights from San Francisco International Airport (SFO) to Houston are available for booking. George Bush Intercontinental Airport (IAH) is where you'll arrive.

  • Take to the skies with United. This popular airline operates direct flights from San Francisco International Airport to Houston.

  • You don't need a visa or passport to travel within United States. You will need a valid proof of identity though, like an ID card or driver's licence. Make sure they're on your packing list once you've booked your cheap tickets from San Francisco International Airport to Houston.

  • SFO is around 21 kilometres from central San Francisco. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be approximately 47 minutes.

  • In search of a convenient hotel near SFO? If you're boarding an early flight from San Francisco International Airport to Houston, these accommodation options will have you moments from your departure lounge:

How to find the cheapest flights from San Francisco International Airport (SFO) to Houston

  • 84 € is the cheapest price we've found for a one-way ticket from San Francisco International Airport to Houston. For a return flight on this route, the best price is 176 €. Depending on when and how early you book, these fares can change.

  • Score cheap tickets from SFO to Houston by booking 9 months ahead. According to our research, that's the sweet spot for landing a bargain.

  • Schedule your trip for May. That's the cheapest month for tickets from San Francisco International Airport to Houston. If your travel dates are flexible, use the 'Whole month' tool to see the cheapest price across each month.

  • Sign into your online account or use the app to create a Price Alert. You'll be notified right away if there's a better deal on this route. It doesn't take long, and it'll save you from checking for cheap tickets from SFO to Houston every day.

  • Use the filters to tailor your flights from San Francisco International Airport to Houston. Simply enter your preferred arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • William P. Hobby Airport (HOU) is roughly 19 kilometres from central Houston. Once you've disembarked your flight from San Francisco International Airport to Houston, it'll take you around 22 minutes to reach the heart of the city in a cab or ride-share.

  • You can also travel by public transport, which will take around 1 hour and 42 minutes.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel near HOU. Here are a few options where you can settle in after your flight from SFO to Houston:

Best time to go to Houston

  • It's time to work out your dates for your flight from San Francisco International Airport to Houston. July is the busiest month for a trip to Houston. If you prefer a more low-key vibe, go in February.

  • Before you book a flight from San Francisco International Airport to Houston, think about the type of weather you enjoy. August is the warmest month in Houston, with temperatures ranging from 24ºC to 40ºC.

  • For cooler conditions, lock in a cheap flight from SFO to Houston in January when temperatures average between 5ºC and 19ºC.

More about Houston

  • After locking in your flight from San Francisco International Airport to Houston, think about where to rest your head in this city. Make one of these options your base for exploring Houston:

  • Every great journey has to include some sightseeing. The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park are must-do's during your Houston adventure.

Complete your Houston trip with a car rental

  • Select one of our car rentals in Houston and see the sights at your leisure. Easily compare options in one go to find the ideal ride once you've booked your hotel and cheap flights from San Francisco International Airport to Houston.

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