$104 Cheap Frontier Airlines flights Houston (IAH) to San Francisco (SFO)

You’ll discover cheap return Frontier Airlines flights from $208 from IAH to SFO by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $104 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

February is one of the most affordable months to jet off to San Francisco with Frontier Airlines. You could also find great prices on one-way and return tickets in April.

For cheap Frontier Airlines fares from George Bush Intercontinental Airport (IAH) to San Francisco Intl. Airport (SFO), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence what you pay. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct route from IAH to SFO with Frontier Airlines or any other carriers, check the “Nonstop” filter when browsing for tickets.

Find Frontier Airlines’s earliest flights from IAH to SFO by selecting our “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Jump on a Frontier Airlines flight from George Bush Intercontinental Airport (IAH) to San Francisco, and you’ll most likely touch down at San Francisco Intl. Airport (SFO). This is the airline’s primary hub in this city.

With a rewarding loyalty program, Frontier Airlines is a popular choice for many travelers journeying from IAH to SFO. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or change your flight, although there may be a charge if your booking was made more than 24 hours ago. Need flexible options? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you have to revise your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.