$155 Cheap United flights San Francisco (SFO) to Houston (IAH)

You’ll discover affordable return United Airlines flights from $256 from SFO to IAH by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options from $155 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.

United Airlines flights to Houston are often cheaper in the off-peak months of November and February. Whether you need a round-trip or one-way ticket, you could land a better deal then.

Look for cheap United Airlines flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Hop on one of United Airlines’s 52 direct weekly flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH). To see what’s available, enter your dates, destination and origin and hit search. Then use the “Nonstop” and “Airline” filters.

Take off from San Francisco Intl. Airport (SFO) for George Bush Intercontinental Airport (IAH) on a nonstop United Airlines flight, and you’ll be airborne for around 3h 51m.

If you’re looking for flexibility, Sunday offers the most choice for United Airlines flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH). You can select from 8 different departures.

The earliest United Airlines flight from SFO to IAH departs at 5:00AM UTC-8, touching down at 10:55AM UTC-6. If you want to jet off later in the day, the last United Airlines flight leaves SFO at 11:59PM UTC-8 and touches down at IAH at 5:48AM UTC-6. Flying before noon is often a good option as morning flights are least likely to face cancellations.**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.

United Airlines flights from San Francisco Intl. Airport (SFO) to Houston come in to land at George Bush Intercontinental Airport (IAH). This is the main gateway to this destination.

A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to leave from SFO to IAH with United Airlines. Plus, when you join Expedia’s free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

United Airlines generally flies Boeing 737-900 planes for flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH). This airline also operates the Boeing 777 on this route. Bear in mind that aircraft type can change due to operational reasons, so the plane you catch might be different on the day you travel.

Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For further information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to adjust your plans without extra charges, check the “Changes included” and “No cancel fee” filters when organizing your trip.