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$91+ Cheap flights from Houston to San Francisco (SFO)

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SFO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to San Francisco are usually found in February or January, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Houston to San Francisco

Cheapest flights from Houston to San Francisco
Explore the most affordable flight options available from Houston to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/1812:50 pmIAH - SFO
2 stops20h 58mMultiple Airlines
Sun 1/49:30 pmSFO - IAH
1 stop20h 24mMultiple Airlines
Deal found 12/1$269
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/199:55 pmIAH - SFO
1 stop12h 28mFrontier
Thu 1/88:58 amSFO - IAH
2 stops11h 33mFrontier
Deal found 12/2$270
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/910:45 amIAH - SFO
1 stop15h 39mFrontier
Sun 12/1411:33 pmSFO - IAH
1 stop15h 27mFrontier
Deal found 12/3$271
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Mon 12/228:59 pmIAH - SFO
1 stop25h 31mMultiple Airlines
Thu 1/16:00 amSFO - IAH
1 stop20h 41mMultiple Airlines
Deal found 12/1$272
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/1710:45 amIAH - SFO
1 stop23h 38mMultiple Airlines
Wed 12/249:30 pmSFO - IAH
2 stops29h 11mMultiple Airlines
Deal found 12/2$273
This Frontier deal was found by Cheapflights users on 12/2. 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.
Thu 12/116:05 amIAH - SFO
1 stop9h 13mFrontier
Wed 12/176:30 amSFO - IAH
1 stop11h 49mFrontier
Deal found 12/2$274
This CheapOair deal was found by Cheapflights users on 12/3. 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.
Thu 12/116:45 amIAH - SFO
1 stop27h 08mFrontier
Thu 12/186:24 amSFO - IAH
1 stop26h 13mFrontier
Deal found 12/3$275
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/116:05 amIAH - SFO
1 stop9h 13mMultiple Airlines
Wed 12/176:00 amSFO - IAH
1 stop16h 21mMultiple Airlines
Deal found 12/2$276
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/116:05 amIAH - SFO
1 stop9h 13mFrontier
Mon 12/158:43 amSFO - IAH
2 stops9h 38mFrontier
Deal found 12/2$277
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Sun 12/216:00 amIAH - SFO
1 stop9h 13mFrontier
Wed 1/76:54 pmSFO - IAH
1 stop22h 24mFrontier
Deal found 12/2$278
This CheapOair deal was found by Cheapflights users on 12/3. 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 12/128:12 pmIAH - SFO
1 stop13h 36mFrontier
Wed 12/176:30 amSFO - IAH
1 stop26h 07mFrontier
Deal found 12/3$279
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/126:05 amIAH - SFO
1 stop9h 13mMultiple Airlines
Wed 12/176:00 amSFO - IAH
1 stop16h 21mMultiple Airlines
Deal found 12/2$281

Find flight deals from Houston to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to San Francisco (SFO). 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 December 4, 2025.

Round-trip from

$269
(Kiwi.com)

One-way from

$91
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$429
From Houston to San Francisco
Search Deals
One-way flight from Houston to San Francisco
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to San Francisco 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 December 4, 2025.
Use the filters below to find and compare flights from Houston to San Francisco that are best for you.

Fly from

Houston

Fly to

San Francisco

Route

Depart

Return

Price

HoustonSan Francisco

HOU - SFO

HOUSFO

Houston Hobby

Wed 2/25

4:40 pm-10:20 pm

2 stops7h 40m

San Francisco

Wed 3/4

5:05 am-2:50 pm

2 stops7h 45m

$270

HoustonSan Francisco

IAH - SFO

IAHSFO

Houston George Bush Intcntl

Wed 2/4

7:00 am-7:12 pm

2 stops14h 12m

San Francisco

Mon 2/9

9:54 pm-4:55 pm

2 stops17h 01m

$283

HoustonSan Francisco

IAH - SFO

IAHSFO

Houston George Bush Intcntl

Wed 2/4

7:00 am-7:12 pm

2 stops14h 12m

San Francisco

Fri 2/6

11:36 am-11:54 pm

2 stops10h 18m

$288

HoustonSan Francisco

IAH - SFO

IAHSFO

Houston George Bush Intcntl

Thu 1/22

7:00 am-4:36 pm

2 stops11h 36m

San Francisco

Mon 1/26

11:17 am-11:54 pm

2 stops10h 37m

$291

HoustonSan Francisco

IAH - SFO

IAHSFO

Houston George Bush Intcntl

Fri 1/16

5:55 pm-12:23 pm

1 stop20h 28m

San Francisco

Mon 1/19

7:57 am-11:54 pm

2 stops13h 57m

$294

HoustonSan Francisco

IAH - SFO

IAHSFO

Houston George Bush Intcntl

Thu 2/5

7:00 am-4:36 pm

2 stops11h 36m

San Francisco

Wed 2/11

7:57 am-4:55 pm

1 stop6h 58m

$316

HoustonSan Francisco

HOU - SFO

HOUSFO

Houston Hobby

Thu 1/8

3:10 pm-8:15 pm

1 stop7h 05m

San Francisco

Mon 1/12

8:15 am-3:30 pm

1 stop5h 15m

$339

HoustonSan Francisco

HOU - SFO

HOUSFO

Houston Hobby

Fri 1/16

9:50 am-3:45 pm

1 stop7h 55m

San Francisco

Tue 1/20

3:15 pm-11:15 pm

1 stop6h 00m

$343

HoustonSan Francisco

HOU - SFO

HOUSFO

Houston Hobby

Thu 1/22

9:00 am-4:55 pm

2 stops9h 55m

San Francisco

Mon 1/26

3:15 pm-11:15 pm

1 stop6h 00m

$349

HoustonSan Francisco

HOU - SFO

HOUSFO

Houston Hobby

Wed 2/4

9:00 am-2:55 pm

1 stop7h 55m

San Francisco

Sun 2/8

8:15 am-3:30 pm

1 stop5h 15m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 41 results
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Best time to book a flight from Houston to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Houston 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 Houston to San Francisco

How far ahead should I book a flight from Houston to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Houston to San Francisco. Price data was last updated on November 28, 2025.

To ensure you get the cheapest price possible for a flight from Houston to San Francisco, you should look to book at least 81 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 Houston to San Francisco?

Currently, August is the cheapest month in which you can book a flight from Houston to San Francisco (average of $95). Flying from Houston to San Francisco in June is currently the most expensive (average of $206). 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 HOU to SFO?

Find hourly flight availability from Houston to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

One of the essential ways to save on airfare from Houston to San Francisco is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 37% on airfare.

What is the cheapest day to fly from Houston to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Houston to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to San Francisco flight should consider departing on Saturday evenings 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 often are flights from Houston to San Francisco delayed?

About 16% of weekly flights between Houston and San Francisco have experienced delays in the past year, with the average delay time being 174 minutes.

What is the most punctual flight time for Houston to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to San Francisco flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

The best insider tips for Houston to San Francisco 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 Houston to San Francisco trip
Airports
IAH

Check security wait times on the IAH Depart tab for all terminals to save time before your flight.

Read more about IAHby Evie Carrick
SFO

Use BART for affordable travel from SFO to downtown San Francisco, taking about 40 minutes.

Read more about SFOby Harriet Baskas
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

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated December 4, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Houston to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
8,011 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
9,066 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,047 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,091 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from Houston to San Francisco. 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 into for flights to San Francisco from Houston?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Houston. On average, San Francisco has 0 inbound flights from Houston per day from 6 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How long is the flight from Houston to San Francisco?

    Southwest and Alaska Airlines can get you from Houston to San Francisco in just under 7h 40m. Your travel time can differ by up to 6h 32m. The distance between Houston and San Francisco is about 1645 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $47, Spirit Airlines will fly you from Houston to San Francisco and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $110 and $139, respectively. You may be able to fly from Houston to San Francisco for 88% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $58. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Houston to San Francisco for a low price.

  • Where are the most common layover locations when flying from Houston to San Francisco?

    Most of the time, Houston to San Francisco flights that have layovers will stop in Denver.

  • What are some popular things to do or see while on a layover in Denver?

    Coors Field, 16th Street Mall, and Paramount Theatre are currently the most popular points of interest in Denver at the moment. Those on a layover in Denver interested in visiting Coors Field, 16th Street Mall, or Paramount Theatre can do so by traveling 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl. Those landing in Denver looking to spend some time exploring during their layover can rent a car for about $41 per day.

  • Where are the least popular layover locations for Houston to San Francisco flights?

    Flights departing from Houston and landing in San Francisco layover in Dallas least frequently.

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

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

  • How can I find direct flights from Houston to San Francisco?

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

  • Can I find deals for business class flights from Houston to San Francisco?

    Yes. Cheapflights offers flight deals from Houston to San Francisco 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 Houston to San Francisco?

    Currently, August is the cheapest month in which you can book a flight from Houston to San Francisco (average of $95). Flying from Houston to San Francisco in June is currently the most expensive (average of $206). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Daly City
Redwood City
Vallejo
Hollister
Milpitas
Foster City
Union City
Davis
San Ramon
Burlingame

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Alternative routes for Houston to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Houston to San Francisco

Discover the top 6 airlines that operate flights from Houston to San Francisco. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$323FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$239FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$184Average$448FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$184Average$389FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$466FlexibilityNo cancel feeOn-time69%

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