$94 Cheap Flights from San Francisco (SFO) to Houston (IAH)

View $94 flight on Wed, May 7, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from San Francisco to Houston (SFO-IAH)

Prices were available within the past 7 days and start at $94 for one-way flights and $183 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Apr 29 - Wed, Apr 30
SFO
San Francisco
IAH
Houston
$183 Roundtrip, found 3 hours ago
$183
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, Apr 29 from San Francisco to Houston, returning Wed, Apr 30, priced at $183 found 3 hours ago
Frontier Airlines
Wed, May 7 - Tue, May 13
SFO
San Francisco
IAH
Houston
$188 Roundtrip, just found
$188
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 7 from San Francisco to Houston, returning Tue, May 13, priced at $188 just found
Frontier Airlines
Mon, May 19 - Wed, May 21
SFO
San Francisco
IAH
Houston
$198 Roundtrip, just found
$198
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, May 19 from San Francisco to Houston, returning Wed, May 21, priced at $198 just found
Frontier Airlines
Sun, May 11 - Mon, May 12
SFO
San Francisco
IAH
Houston
$203 Roundtrip, found 3 hours ago
$203
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, May 11 from San Francisco to Houston, returning Mon, May 12, priced at $203 found 3 hours ago
Frontier Airlines
Wed, May 7 - Wed, May 14
SFO
San Francisco
IAH
Houston
$208 Roundtrip, just found
$208
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 7 from San Francisco to Houston, returning Wed, May 14, priced at $208 just found
Frontier Airlines
Tue, May 27 - Wed, May 28
SFO
San Francisco
IAH
Houston
$212 Roundtrip, found 19 hours ago
$212
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Tue, May 27 from San Francisco to Houston, returning Wed, May 28, priced at $212 found 19 hours ago
JetBlue Airways
Tue, Jun 3 - Wed, Jun 11
SFO
San Francisco
IAH
Houston
$253 Roundtrip, found 3 hours ago
$253
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue, Jun 3 from San Francisco to Houston, returning Wed, Jun 11, priced at $253 found 3 hours ago
Alaska Airlines
Mon, Jun 2 - Wed, Jun 11
SFO
San Francisco
IAH
Houston
$255 Roundtrip, found 1 hour ago
$255
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Mon, Jun 2 from San Francisco to Houston, returning Wed, Jun 11, priced at $255 found 1 hour ago
United
Fri, Jul 18 - Sat, Jul 19
SFO
San Francisco
IAH
Houston
$256 Roundtrip, found 19 hours ago
$256
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Jul 18 from San Francisco to Houston, returning Sat, Jul 19, priced at $256 found 19 hours ago
Delta
Wed, Jun 25 - Wed, Jul 2
SFO
San Francisco
IAH
Houston
$295 Roundtrip, found 6 hours ago
$295
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Jun 25 from San Francisco to Houston, returning Wed, Jul 2, priced at $295 found 6 hours ago
Flights from San Francisco (SFO) to Houston (IAH)
Origin airport
San Francisco Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Roundtrip price
$182
Distance
1632 mi

San Francisco to Houston Flights

The cheapest times to fly from San Francisco to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Houston are during the month of April. You can find some of the cheapest flights from San Francisco to Houston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Francisco to Houston

Sunday is one of the best days to book for cheap flights from San Francisco to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Francisco to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $94 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH) cost?
You’ll find cheap return flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH) starting from $309. Snag a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SFO on May 20 2025 and touching down at IAH. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SFO to IAH?
The cheapest flights from SFO to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH)?
You can fly directly from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH) on a United Airlines flight.
What is the cheapest airline that flies from SFO to IAH?
Take off from SFO to IAH with United. This carrier currently has the cheapest one-way fare on this route, starting from $155. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on July 1 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH)?
When departing from San Francisco Intl. Airport (SFO), you can choose from an average of 7 daily nonstop flights to George Bush Intercontinental Airport (IAH).
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH)?
The 2 PM departures from SFO to IAH see the highest demand. They can also be more expensive. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from SFO to IAH?
If you jet off on a Sunday, you’ll get the largest range of choices for flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH)?
Catch the earliest flight at around 5:00AM UTC-8, departing from San Francisco Intl. Airport (SFO). You’ll be flying for about 3h 55m, reaching George Bush Intercontinental Airport (IAH) at approximately 10:55AM UTC-6.
How long does it take to fly from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH)?
Flights from SFO to IAH have an average travel time of 3 hours and 51 minutes. The total distance between these two airports is 1,650 mi.
What airline has the least delays from SFO to IAH?
United Airlines has the best performance for on-time direct flights from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH), with an on-time score of 82%. Use the Expedia App to view your flight status before you jet off and receive notifications about any trip changes.
What is the best time to fly from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH)?
Book a flight from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Houston from San Francisco Intl. Airport (SFO)?
If you’re traveling on a direct flight from San Francisco Intl. Airport (SFO) to Houston, George Bush Intercontinental Airport (IAH) is the only airport you can land at.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute bookings from SFO to IAH are generally more expensive. To lock in the best rates, start searching for flights well in advance. That being said, if you’re flexible with your travel plans, it’s possible to find a cheap ticket right before your journey.
Is it cheaper to book a SFO to IAH flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to IAH flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one convenient place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to George Bush Intercontinental Airport (IAH)?
If you booked your SFO to IAH flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.