Cheap Flights from Houston to San Francisco International

Compare Houston to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Houston to San Francisco International

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

Find the cheapest month to fly from Houston 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 to San Francisco International flights are currently cheapest in November.

Direct flights from Houston to San Francisco International

Houston to San Francisco International: Alternative routes

Compare routes from Houston 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 foundRs19,338
Cheapest month to flyNovember
Average flight time4 hrs, 24 mins
Most popular airlineUnited
Average flights per week699

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

The best price we found for a return flight from Houston to San Francisco International is Rs38,680. 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 24 minutes is the average flight time from Houston to San Francisco International.
United, Air New Zealand and Virgin Australia fly direct from Houston to San Francisco International.
As of October 2025, there are 699 flights per week flying from Houston to San Francisco International.
The cheapest month to fly from Houston to San Francisco International is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to San Francisco International Airport on Thursday, 23 October 2025.
Yes – the average flight time is 4 hours and 24 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.

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

  • Your next great adventure starts at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Check out your options for booking a flight from Houston to San Francisco International Airport (SFO) departing from either of these.

  • Around 4 hours 20 minutes is how long you'll be in the air on a direct Houston to San Francisco International Airport flight.

  • San Francisco International Airport is located in San Francisco. The city runs on the UTC-7 timezone and is two hours behind Houston.

  • The most popular route is from George Bush Intercontinental Airport (IAH) to San Francisco International Airport (SFO), with 66 direct services every week. If you'd rather get moving right away, the earliest flight from IAH to SFO is the 5am United Airlines option. If you prefer to leave later in the day, the final departure is at 10pm with United Airlines.

  • To ensure you get on your flight from Houston to SFO, leave enough time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During high season, allow for longer wait times and get there earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Houston

George Bush Intercontinental Airport (IAH)

  • Fly without interruptions from George Bush Intercontinental Airport (IAH). Nonstop flights from Houston to San Francisco International Airport (SFO) operate from here.

  • When jetting out of IAH, you can take a direct flight from Houston to San Francisco International Airport with United Airlines.

  • The majority of travellers choose to book seats with United Airlines between IAH and SFO.

  • With 70.7% of its services arriving as planned, United Airlines is the best performing carrier for punctuality on this route.

  • Located around 27 kilometres from the centre of Houston, IAH can be reached in about 20 minutes by car (depending on traffic). The journey by public transport will take roughly 50 minutes.

  • Have an early flight from Houston to San Francisco International Airport? Avoid the stress of rushing to the terminal (and sneak in some bonus sleep) by staying at one of these hotels near George Bush Intercontinental Airport:

  • 78.42% of flights that depart George Bush Intercontinental Airport make it to their destination on schedule.

  • IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

About San Francisco International Airport (SFO)

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

  • San Francisco International Airport to central San Francisco is roughly 18 kilometres. If you're getting a cab or renting a car, do a little research to make your trip as smooth as possible. Journey times may vary depending on the time of day and traffic conditions.

  • If you're travelling on public transport, expect a journey of roughly 45 minutes.

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

  • Right now, Rs19,338 is the lowest price we've found for a one-way ticket from Houston to San Francisco International Airport. The cheapest price for a return flight is Rs38,680. Remember fares can change due to demand at the time of booking.

  • Booking in advance is often the key to finding a cheap flight from Houston to SFO. Airlines adjust prices based on demand, so the closer your departure date, the more you'll likely pay.

  • Cheap Houston to San Francisco International Airport tickets are easier to find when your travel dates are flexible. Try using the 'Whole month' search function to compare fares across every month and then pick the cheapest day.

  • Save time looking for cheap flight tickets from Houston to SFO by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.

  • Filters make it easier to snap up a deal on your flight from Houston to San Francisco International Airport. Choose the airlines, flight times and stops that work for you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Houston to San Francisco International Airport (SFO)

  • February is the quietest month for flights from Houston to San Francisco International Airport (SFO), while August is the busiest. Choose the best time to visit San Francisco based on whether you want a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Houston to SFO flight ticket, consider the kind of weather you prefer. September is the warmest month in San Francisco, with temperatures ranging from 12ºC to 22ºC.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Houston to San Francisco International Airport in January when temperatures are between 6ºC and 16ºC.

More about San Francisco

Explore more of the United States

  • You've done San Francisco, now it's time to explore other parts of the United States. Journey around 257 kilometres east to Fresno to check off its top attractions. From Forestiere Underground Gardens to Shinzen Japanese Garden and Fresno Chaffee Zoo, there's plenty to keep you on the go.

  • Around 129 kilometres north-east of San Francisco, Sacramento is another favourite stop in the United States. Get a taste of what this destination has to offer at Old Sacramento Waterfront, Fright Planet - America's Haunted Theme Park and California State Railroad Museum.

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