HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$139+ Cheap flights from San Francisco (SFO) to George Bush Intcntl (IAH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAH
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from San Francisco to Houston George Bush Intcntl are usually found in October or August, booked 75 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from San Francisco to George Bush Intcntl

Cheapest flights from San Francisco to George Bush Intcntl
Explore the most affordable flight options available from San Francisco to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2026.

This Expedia deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:40 pm
SFO
-
IAH
1 stop11h 53m
Frontier
Mon 5/257:44 pm
IAH
-
SFO
1 stop16h 57m
Frontier
Deal found 3/23$280
This CheapOair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:50 pm
SFO
-
IAH
1 stop11h 56m
Frontier
Mon 6/159:59 pm
IAH
-
SFO
1 stop15h 39m
Frontier
Deal found 3/23$281
This Expedia deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:04 pm
SFO
-
IAH
1 stop25h 35m
Frontier
Sat 4/46:45 am
IAH
-
SFO
1 stop19h 38m
Frontier
Deal found 3/22$285
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:59 pm
SFO
-
IAH
2 stops30h 51m
Frontier
Sun 5/176:00 am
IAH
-
SFO
1 stop17h 55m
Frontier
Deal found 3/23$287
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:53 am
SFO
-
IAH
1 stop10h 49m
Frontier
Wed 4/86:20 am
IAH
-
SFO
1 stop14h 59m
Frontier
Deal found 3/23$290
This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:00 pm
SFO
-
IAH
1 stop22h 33m
Frontier
Tue 4/712:48 pm
IAH
-
SFO
1 stop9h 17m
Frontier
Deal found 3/24$291
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:15 am
SFO
-
IAH
1 stop12h 10m
Multiple Airlines
Sat 5/3010:15 pm
IAH
-
SFO
2 stops22h 15m
Multiple Airlines
Deal found 3/24$292
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:00 am
SFO
-
IAH
1 stop13h 33m
Frontier
Thu 4/96:00 am
IAH
-
SFO
1 stop15h 19m
Frontier
Deal found 3/24$293
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:30 pm
SFO
-
IAH
1 stop12h 02m
Multiple Airlines
Sat 7/41:41 pm
IAH
-
SFO
1 stop8h 15m
Multiple Airlines
Deal found 3/27$294
This Expedia deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:53 am
SFO
-
IAH
1 stop10h 49m
Frontier
Fri 4/310:09 pm
IAH
-
SFO
1 stop13h 07m
Frontier
Deal found 3/25$295
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:00 pm
SFO
-
IAH
1 stop25h 48m
Frontier
Mon 4/610:28 pm
IAH
-
SFO
1 stop23h 37m
Frontier
Deal found 3/25$296
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:04 pm
SFO
-
IAH
1 stop22h 57m
Frontier
Tue 4/712:48 pm
IAH
-
SFO
1 stop9h 17m
Frontier
Deal found 3/23$297

Find flight deals from San Francisco to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$280
(Expedia)

One-way from

$139
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$439

Good round-trip deal

$416 or less

Good one-way deal

$214 or less
Provider with most accurate pricing for San Francisco-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Houston George Bush Intcntl flights.
Search Deals
From San Francisco to Houston George Bush Intcntl
Search Deals
One-way flight from San Francisco to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from San Francisco to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from San Francisco to Houston George Bush Intcntl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from San Francisco to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Fri 4/24

6:55 pm-12:57 am

Nonstop4h 02m

Houston George Bush Intcntl

Fri 5/1

7:20 am-9:42 am

Nonstop4h 22m

$329

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Thu 5/28

5:00 am-10:55 am

Nonstop3h 55m

Houston George Bush Intcntl

Sun 5/31

10:15 am-12:15 pm

Nonstop4h 00m

$329

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Tue 4/28

12:45 am-6:28 am

Nonstop3h 43m

Houston George Bush Intcntl

Mon 5/4

5:00 am-7:15 am

Nonstop4h 15m

$329

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Sat 4/25

5:00 am-10:51 am

Nonstop3h 51m

Houston George Bush Intcntl

Tue 4/28

4:45 pm-6:58 pm

Nonstop4h 13m

$329

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Thu 4/30

12:45 am-6:28 am

Nonstop3h 43m

Houston George Bush Intcntl

Wed 5/6

10:00 am-12:18 pm

Nonstop4h 18m

$329
Quickest round-trip

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Sat 5/16

12:45 am-6:28 am

Nonstop3h 43m

Houston George Bush Intcntl

Mon 6/1

7:35 pm-9:44 pm

Nonstop4h 09m

$374

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Tue 6/2

12:45 am-6:34 am

Nonstop3h 49m

Houston George Bush Intcntl

Fri 6/5

7:20 am-9:25 am

Nonstop4h 05m

$397

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Fri 5/15

2:28 pm-8:34 pm

Nonstop4h 06m

Houston George Bush Intcntl

Sun 5/17

5:00 am-7:15 am

Nonstop4h 15m

$429

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Fri 4/17

12:45 am-6:28 am

Nonstop3h 43m

Houston George Bush Intcntl

Sun 4/19

5:00 am-7:16 am

Nonstop4h 16m

$429

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Thu 4/30

12:45 am-6:28 am

Nonstop3h 43m

Houston George Bush Intcntl

Mon 5/4

5:00 am-7:15 am

Nonstop4h 15m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from San Francisco to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to George Bush Intcntl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Houston George Bush Intcntl Airport

How far ahead should I book a flight from San Francisco to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to George Bush Intcntl. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Houston George Bush Intcntl Airport, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to Houston George Bush Intcntl Airport?

Currently, November is the cheapest month in which you can book a flight from San Francisco to Houston George Bush Intcntl Airport (average of $118). Flying from San Francisco to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to IAH?

Find hourly flight availability from San Francisco to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2026.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Houston George Bush Intcntl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from San Francisco to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to George Bush Intcntl. Price data was last updated on March 23, 2026.

Travelers seeking maximum savings on their San Francisco to Houston George Bush Intcntl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Francisco to Houston George Bush Intcntl Airport?

The best insider tips for San Francisco to Houston George Bush Intcntl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Houston George Bush Intcntl Airport trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated March 28, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from San Francisco to Houston George Bush Intcntl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,357 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,357 reviews
Delta
7.9
Good
8,357 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,499 reviews
Delta
7.9
Good
8,357 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.1
Good
11,520 reviews
Delta
7.9
Good
8,357 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Frontier
5.7
Fair
3,013 reviews
Delta
7.9
Good
8,357 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Houston George Bush Intcntl?

    Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to Houston George Bush Intcntl from San Francisco. Booking flights from San Francisco (SFO) to Houston George Bush Intcntl should be relatively easy as there are 16 daily outbound flights to Houston George Bush Intcntl from 4 different airlines.

  • How long is the flight from San Francisco to Houston George Bush Intcntl Airport?

    There are many flights that can get you from San Francisco to Houston George Bush Intcntl Airport in 4h 02m. Fly via United Airlines to get the fastest option. There are 1631 mi between San Francisco and Houston George Bush Intcntl Airport. Most flights are nonstop.

  • What are the cheapest airlines flying from San Francisco to Houston George Bush Intcntl Airport round-trip?

    Our cheapest airline available from San Francisco to Houston George Bush Intcntl Airport is Frontier. Our recent data shows that you can find tickets from as low as $148 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $193 and $216 round-trip. You may be able to fly from San Francisco to Houston George Bush Intcntl Airport for 65% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Francisco to Houston George Bush Intcntl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from San Francisco to Houston George Bush Intcntl Airport for a low price.

  • What are the most reliable airlines from San Francisco to Houston George Bush Intcntl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Houston George Bush Intcntl Airport on time: Virgin Australia (90%), Air New Zealand (90%), United Airlines (89%).

  • What are the cheapest flights from San Francisco to Houston George Bush Intcntl Airport?

    Looking at all options, your cheapest flight can be booked for $147. While the most popular route (San Francisco - Houston George Bush Intcntl) can be booked for $152 on average, our data indicates $1,018 when flying from San Francisco to Houston George Bush Intcntl Airport.

  • Can I find deals for flights from San Francisco to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on San Francisco to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to George Bush Intcntl.

  • Can I find deals for business class flights from San Francisco to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from San Francisco to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Houston George Bush Intcntl Airport?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Houston George Bush Intcntl Airport (average of $118). Flying from San Francisco to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Katy
The Woodlands
Spring
Montgomery
Tomball
Jersey Village
Humble
Cypress
Conroe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from San Francisco to George Bush Intcntl

Discover the top 4 airlines that operate flights from San Francisco to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$285FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$193Average$276FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$476FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights