Cheap Flights from Houston George Bush Intercntl. to San Francisco International

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

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

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

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

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

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

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

Houston to San Francisco: Flight information

The things to know before you go.
Cheapest flight found185 €
Cheapest month to flySeptember
Average flight time4 hrs, 13 mins
Most popular airlineUnited
Average flights per week176

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

The best price we found for a return flight from Houston George Bush Intercntl. to San Francisco International is 185 €. 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.
4 hours and 13 minutes is the average flight time from Houston George Bush Intercntl. to San Francisco International.
United, Air New Zealand and Virgin Australia fly direct from Houston George Bush Intercntl. to San Francisco International.
As of June 2025, there are 178 flights per week flying from Houston George Bush Intercntl. to San Francisco International.
The cheapest month to fly from Houston George Bush Intercntl. to San Francisco International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to San Francisco International Airport on Tuesday, 9 September 2025.
Yes – the average flight time is 4 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 San Francisco International 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 San Francisco 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 San Francisco International.

Travelling from George Bush Intercontinental Airport (IAH) to San Francisco International Airport (SFO): what you need to know

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

  • The timezone in San Francisco is UTC-7, which is two hours behind Houston.

  • You can choose from 90 weekly George Bush Intercontinental Airport to San Francisco International Airport flights. The 05:00 departure with United Airlines is the earliest flight you can take. United Airlines operates the latest service of the day at 22:00.

  • Get to the airport on time so you don't miss your IAH to SFO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Travelling during a peak time such as July? School holidays and other popular periods can lead to longer lines at airport checkpoints. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • United Airlines is your gateway to exploring San Francisco (and maybe even some other great parts of United States!). Check out the direct flights from George Bush Intercontinental Airport to San Francisco International Airport offered by this carrier.

  • The airline with the highest passenger demand on this route is United Airlines.

  • The most punctual carrier offering IAH to SFO flights is United Airlines. Its services land without delay 70.7% of the time.

  • Think about adding a stopover when booking your ticket from George Bush Intercontinental Airport to San Francisco International Airport. Simply deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here's where you can stop between IAH and SFO:

    • San Diego International Airport

    • Phoenix Sky Harbour International Airport

    • Harry Reid Airport (formerly McCarran Airport)

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

  • The lowest price we've seen for a one-way George Bush Intercontinental Airport to San Francisco International Airport flight is 89 €. A round-trip fare right now is 185 €. Depending on the availability and when you book, these fares may change.

  • To secure cheap tickets from IAH to SFO, book your journey six months before your departure date.

  • May is the cheapest month for flights from George Bush Intercontinental Airport to San Francisco International Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll notify you as soon as there's a new deal on cheap flights from IAH to SFO.

  • Tailor your trip with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from George Bush Intercontinental Airport to San Francisco International Airport.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport is roughly 21 kilometres from central San Francisco. The drive time takes around 20 minutes.

  • Getting there on public transport will take you around 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the most popular month for flights from George Bush Intercontinental Airport to San Francisco International Airport. To skip the crowds, visit San Francisco in February.

  • The warmest month in San Francisco is September, with the temperature ranging between 12ºC (54ºF) and 22ºC (72ºF). Book your flights from George Bush Intercontinental Airport to San Francisco International Airport in this month if you like this kind of weather.

  • January sees average temperatures of between 6ºC (43ºF) and 16ºC (61ºF). Look for cheap tickets from IAH to SFO sometime around then if you like cooler conditions.

Explore more of United States

  • San Francisco is easy to fall in love with, but there are so many other corners of United States waiting to be discovered. Around 64 kilometres south-east of San Francisco, a trip to San Jose will keep you on the go. Start with leading attractions like Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.

  • Around 257 kilometres south-east of San Francisco, Fresno is another favourite stop in United States. Experience major highlights starting with Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

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