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$34+ Cheap flights from the United States 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SFO
ene. 27 — feb. 31
lun. 1/27
lun. 2/3
1 adult, Economy
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Cheap flight deals from USA to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from USA (US0) 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 enero 22, 2025.

Round-trip from

$38
(Frontier)

Good round-trip deal

$40 or less

Good one-way deal

$30 or less
From USA to San Francisco
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Price to beat on a round-trip flight from USA to San Francisco.
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Price to beat on a one-way flight from USA to San Francisco.
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Cheapest flights from USA to San Francisco
Explore the most affordable flight options available from USA to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 22, 2025.

This Frontier deal was found by Cheapflights users on 1/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/298:28 amLAX - SFO
Nonstop1h 36mFrontier
mar. 2/47:00 pmSFO - LAX
Nonstop1h 32mFrontier
Deal found 1/22$48
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/288:26 amONT - SFO
Nonstop1h 36mFrontier
dom. 3/28:06 amSFO - ONT
Nonstop1h 28mFrontier
Deal found 1/21$48
This United Airlines deal was found by Cheapflights users on 1/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/47:40 pmONT - SFO
Nonstop1h 33mUnited Airlines
mié. 3/57:45 amSFO - ONT
Nonstop1h 30mUnited Airlines
Deal found 1/22$57
This Travelocity deal was found by Cheapflights users on 1/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/146:48 pmLAX - SFO
Nonstop1h 39mMultiple Airlines
dom. 5/186:00 amSFO - LAX
Nonstop1h 34mMultiple Airlines
Deal found 1/21$108
This CheapOair deal was found by Cheapflights users on 1/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/213:16 pmSEA - SFO
1 stop9h 27mFrontier
mar. 2/257:46 pmSFO - SEA
1 stop16h 50mFrontier
Deal found 1/22$117
This Expedia deal was found by Cheapflights users on 1/22. 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.
mar. 2/251:34 pmSEA - SFO
Nonstop2h 09mMultiple Airlines
jue. 2/278:06 amSFO - SEA
1 stop5h 06mMultiple Airlines
Deal found 1/22$124
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/135:50 amDFW - SFO
1 stop6h 06mFrontier
sáb. 2/1512:35 amSFO - DFW
Nonstop3h 39mFrontier
Deal found 1/21$127
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/109:45 pmLAX - SFO
Nonstop1h 30mDelta
lun. 6/168:59 pmSFO - LAX
Nonstop1h 37mDelta
Deal found 1/21$133
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/185:30 pmSEA - SFO
Nonstop2h 19mDelta
mié. 3/261:45 pmSFO - SEA
Nonstop2h 17mDelta
Deal found 1/22$137
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/48:05 amSEA - SFO
1 stop5h 33mAlaska Airlines
mar. 3/44:39 pmSFO - SEA
Nonstop2h 14mAlaska Airlines
Deal found 1/22$141
This Southwest deal was found by Cheapflights users on 1/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2912:45 pmONT - SFO
2 stops9h 55mSouthwest
jue. 5/15:40 amSFO - ONT
1 stop4h 10mSouthwest
Deal found 1/22$142
This Southwest deal was found by Cheapflights users on 1/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/123:20 pmLAX - SFO
1 stop6h 15mSouthwest
mar. 2/185:30 amSFO - LAX
1 stop8h 45mSouthwest
Deal found 1/22$157

Find flights from USA to San Francisco within your budget

Customize your flight search to find flights from USA 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 enero 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

jue. 2/20

8:26 am-10:02 am

Nonstop1h 36m

San Francisco

jue. 2/27

8:06 am-9:34 am

Nonstop1h 28m

$39

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

mar. 2/4

8:28 am-10:04 am

Nonstop1h 36m

San Francisco

sáb. 2/8

7:00 pm-8:32 pm

Nonstop1h 32m

$48

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

jue. 2/6

6:15 am-7:46 am

Nonstop1h 31m

San Francisco

sáb. 2/8

8:25 am-9:51 am

Nonstop1h 26m

$57

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

mié. 5/14

6:48 pm-8:27 pm

Nonstop1h 39m

San Francisco

dom. 5/18

6:00 am-7:34 am

Nonstop1h 34m

$108

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

vie. 3/7

2:02 pm-12:43 am

1 stop10h 41m

San Francisco

lun. 3/10

10:59 pm-9:30 am

1 stop10h 31m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

mar. 3/18

7:59 pm-10:11 pm

Nonstop2h 12m

San Francisco

sáb. 3/22

5:22 pm-10:48 am

1 stop17h 26m

$126

DallasSan Francisco

DFW - SFO

DFWSFO

Dallas/Fort Worth

jue. 2/13

5:50 am-9:56 am

1 stop6h 06m

San Francisco

sáb. 2/15

12:35 am-6:14 am

Nonstop3h 39m

$127

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

mar. 6/10

9:45 pm-11:15 pm

Nonstop1h 30m

San Francisco

lun. 6/16

8:59 pm-10:36 pm

Nonstop1h 37m

$133

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

mié. 2/19

7:55 am-9:25 am

Nonstop1h 30m

San Francisco

mié. 2/19

3:15 pm-9:45 pm

1 stop6h 30m

$137

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

mar. 3/18

10:25 am-12:49 pm

Nonstop2h 24m

San Francisco

mar. 3/25

1:45 pm-4:02 pm

Nonstop2h 17m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 60 results
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Best time to book a flight from USA to San Francisco

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

Travel insights for flights from USA to San Francisco

Get recent, data-driven insights about flights from USA to San Francisco including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from USA to San Francisco?

Currently, January is the cheapest month in which you can book a flight from USA to San Francisco (average of $276). Flying from USA to San Francisco in June is currently the most expensive (average of $404). 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 US to SFO?

Find hourly flight availability from USA 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 enero 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to San Francisco as you normally would.

Weekly flight availability from USA to San Francisco

Explore weekly flight availability from USA to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated enero 22, 2025.

The most flights from US0 to SFO are scheduled on a Monday (153 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (60 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 enero 22, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and American Airlines from USA to San Francisco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,654 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Breeze Airways
8.1
Very good
144 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,707 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,514 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Qatar Airways
7.5
Good
3,750 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from USA 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 United States?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from United States. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How popular is this USA to San Francisco flight route?

    Within the past month, 482 users have taken a look at flights from United States to San Francisco.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $43. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from USA to San Francisco for a low price.

  • What are the most popular routes from USA to San Francisco?

    The most popular flight routes from USA to San Francisco are New York John F Kennedy Intl - San Francisco, Newark - San Francisco and Seattle/Tacoma Intl - San Francisco.

  • What are the most reliable airlines from USA to San Francisco?

    Consider Horizon Air (91%), SAUDIA (88%) or American Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from USA to San Francisco.

  • What are the cheapest flights from USA to San Francisco?

    Looking for the cheapest flight from USA to San Francisco? While on average our users pay $615, our data indicates the cheapest price to be $42. The most popular route (New York John F Kennedy Intl - San Francisco), is priced around $144.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from USA to San Francisco (average of $276). Flying from USA to San Francisco in June is currently the most expensive (average of $404). 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Roseville
Mountain View
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from USA to San Francisco

Discover the top 10 airlines that operate flights from USA 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 enero 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$30Average$159FlexibilityNo cancel feeOn-time65%
FrontierCheapest$37Average$179FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$45Average$323FlexibilityNo cancel feeOn-time62%
DeltaCheapest$66Average$319FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$78Average$136FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$83Average$318FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$91Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$96Average$335FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$98Average$292FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$162Average$363FlexibilityNo cancel feeOn-time83%
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