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George Bush Intcntl

$100+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAH
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Houston George Bush Intcntl are usually found in August or September, booked 67 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(CheapOair)

One-way from

$100
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$415

Good round-trip deal

$412 or less

Good one-way deal

$216 or less
Provider with most accurate pricing for San Francisco-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Houston George Bush Intcntl flights.
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From San Francisco to Houston George Bush Intcntl
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One-way flight from San Francisco to Houston George Bush Intcntl
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Francisco to Houston George Bush Intcntl.
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Price to beat on a one-way flight from San Francisco to Houston George Bush Intcntl.
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Find 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 September 25, 2025.

This CheapOair deal was found by Cheapflights users on 9/24. 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 10/108:21 pmSFO - IAH
1 stop25h 03mFrontier
Mon 10/132:59 pmIAH - SFO
1 stop11h 20mFrontier
Deal found 9/24$197
This Frontier deal was found by Cheapflights users on 9/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:02 amSFO - IAH
1 stop11h 50mFrontier
Thu 11/136:00 amIAH - SFO
2 stops10h 09mFrontier
Deal found 9/24$198
This Mytrip deal was found by Cheapflights users on 9/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:38 pmSFO - IAH
1 stop17h 10mFrontier
Mon 10/132:59 pmIAH - SFO
1 stop11h 20mFrontier
Deal found 9/24$199
This CheapOair deal was found by Cheapflights users on 9/24. 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.
Mon 10/67:07 pmSFO - IAH
1 stop26h 29mFrontier
Thu 10/94:29 pmIAH - SFO
1 stop9h 40mFrontier
Deal found 9/24$200
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/218:00 amSFO - IAH
2 stops13h 36mMultiple Airlines
Wed 10/224:30 pmIAH - SFO
1 stop6h 52mMultiple Airlines
Deal found 9/24$203
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/218:00 amSFO - IAH
2 stops13h 36mFrontier
Sat 10/2512:35 pmIAH - SFO
1 stop10h 48mFrontier
Deal found 9/23$204
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/210:11 pmSFO - IAH
1 stop17h 36mMultiple Airlines
Mon 10/1310:12 pmIAH - SFO
1 stop14h 43mMultiple Airlines
Deal found 9/23$205
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/910:38 pmSFO - IAH
1 stop17h 10mMultiple Airlines
Mon 10/1310:12 pmIAH - SFO
1 stop14h 43mMultiple Airlines
Deal found 9/23$206
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 12/126:00 amSFO - IAH
1 stop21h 18mMultiple Airlines
Sun 12/148:33 pmIAH - SFO
1 stop13h 15mMultiple Airlines
Deal found 9/24$207
This Trip.com deal was found by Cheapflights users on 9/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:38 pmSFO - IAH
1 stop17h 10mFrontier
Sat 10/114:42 pmIAH - SFO
1 stop7h 47mFrontier
Deal found 9/24$208
This CheapOair deal was found by Cheapflights users on 9/23. 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.
Tue 10/76:34 amSFO - IAH
1 stop15h 02mFrontier
Tue 10/1411:36 amIAH - SFO
1 stop12h 51mFrontier
Deal found 9/23$209

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 September 25, 2025.
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

San Francisco

Fly to

George Bush Intcntl

Route

Depart

Return

Price

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Sat 10/18

12:43 am-6:30 am

Nonstop3h 47m

Houston George Bush Intcntl

Sun 11/9

5:15 am-7:35 am

Nonstop4h 20m

$269

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Thu 11/6

5:15 am-11:04 am

Nonstop3h 49m

Houston George Bush Intcntl

Mon 11/10

9:52 pm-12:12 am

Nonstop4h 20m

$269

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Thu 10/30

5:15 am-11:04 am

Nonstop3h 49m

Houston George Bush Intcntl

Tue 11/4

9:51 am-12:10 pm

Nonstop4h 19m

$269

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Sat 10/18

7:05 pm-12:57 am

Nonstop3h 52m

Houston George Bush Intcntl

Sat 10/25

7:20 am-11:17 am

1 stop5h 57m

$279

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Sat 12/13

6:00 am-4:37 pm

1 stop8h 37m

Houston George Bush Intcntl

Sun 12/21

4:00 pm-10:58 pm

1 stop8h 58m

$289

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Wed 11/19

12:30 am-10:10 am

1 stop7h 40m

Houston George Bush Intcntl

Sun 11/23

7:40 am-12:18 pm

1 stop6h 38m

$289

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Fri 10/17

12:35 am-12:54 pm

1 stop10h 19m

Houston George Bush Intcntl

Tue 10/21

4:00 pm-7:54 pm

1 stop5h 54m

$289

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Mon 11/17

12:30 am-10:10 am

1 stop7h 40m

Houston George Bush Intcntl

Tue 12/9

4:00 pm-8:25 pm

1 stop6h 25m

$289

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Wed 11/19

12:30 am-10:10 am

1 stop7h 40m

Houston George Bush Intcntl

Wed 11/26

5:48 pm-12:12 am

1 stop8h 24m

$299

San FranciscoHouston

SFO - IAH

SFOIAH

San Francisco

Sun 10/12

5:00 am-10:53 am

Nonstop3h 53m

Houston George Bush Intcntl

Sat 10/18

7:20 am-11:16 am

1 stop5h 56m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

Showing 1-10 of 20 results
1
2

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 September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice 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.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Houston George Bush Intcntl Airport trip
Airports
SFO

For a quick check-in, use the mezzanine level checkpoint at Harvey Milk Terminal 1, accessible from the Terminal 1 AirTrain station.

Read more about SFOby Harriet Baskas
IAH

For a quick ride to downtown Houston, consider Uber or Lyft from Terminals A, B, or C. It takes about 25 minutes by car.

Read more about IAHby Evie Carrick
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

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 Baskas

Harriet Baskas

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

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 September 19, 2025.

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 67 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, August is the cheapest month in which you can book a flight from San Francisco to Houston George Bush Intcntl Airport (average of $241). Flying from San Francisco to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 September 25, 2025.

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 19% 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 September 21, 2025.

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.

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 September 25, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

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
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

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
8,926 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

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
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

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
Spirit Airlines
6.3
Okay
8,045 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

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
5.8
Fair
3,162 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

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 11.8 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 23 daily outbound flights to Houston George Bush Intcntl from 5 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 3h 47m. 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 Spirit Airlines. Our recent data shows that you can find tickets from as low as $118 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $126 and $183 round-trip. You may be able to fly from San Francisco to Houston George Bush Intcntl Airport for 73% less than the average price by searching for these airlines.

  • 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: Asiana Airlines (85%), United Airlines (85%), Virgin Australia (84%).

  • 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 $144. While the most popular route (San Francisco - Houston George Bush Intcntl) can be booked for $148 on average, our data indicates $888 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, August is the cheapest month in which you can book a flight from San Francisco to Houston George Bush Intcntl Airport (average of $241). Flying from San Francisco to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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Top 5 airlines flying from San Francisco to George Bush Intcntl

Discover the top 5 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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$118Average$348FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$260FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$183Average$301FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$299FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$336Average$516FlexibilityNo cancel feeOn-time69%

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