Which airlines fly to San Francisco?

United Airlines, American Airlines, Delta and Frontier are the most popular airlines that fly from United States to San Francisco on a routine basis, according to our data. You should be able to find flights to San Francisco with these airlines and other airlines flying from United States.

Southwest Flights to San Francisco

Southwest will jet to San Francisco around 18 times in an average week. Where you fly from will dictate what kind of deals you can get for Southwest, but prices as low as $95 have been found from Atlanta Hartsfield-Jackson to San Francisco. Southwest has scored 8.0/10 in momondo user reviews.

Alaska Airlines Flights to San Francisco

Alaska Airlines flights to San Francisco can start from as low as $97 (round-trip, from Atlanta Hartsfield-Jackson, found in the last 72 hours). Over 47 flights that Alaska Airlines operates to San Francisco in a normal week, prices can vary significantly. The most popular Alaska Airlines flight to San Francisco is from Santa Ana J. Wayne/Orange Cnty. Alaska Airlines has been rated 8.0/10 by momondo users, in 11,237 reviews.

How long does it take to fly to San Francisco?

Flight times from United States to San Francisco vary, but if you’re flying out of Los Angeles and flying into San Francisco (one of the most popular routes), then the duration is 1h 20m on average. Another popular route from United States to San Francisco is flying from Miami to San Francisco, which will take roughly 6h 23m. Keep in mind that layovers or delays could extend your travel time.

$39 Cheap Flights to San Francisco in 2025/26

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Find the cheapest flights from the United States to San Francisco

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Cheap round-trip flights

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6:58 pm - 8:30 pmLAX-SFO

1h 32mnonstop

9:30 pm - 10:59 pmSFO-LAX

1h 29mnonstop

$76Frontier

Find Deal

Mon, Dec 22 - Sat, Dec 27

1:50 pm - 3:14 pmONT-SFO

1h 24mnonstop

4:16 pm - 5:37 pmSFO-ONT

1h 21mnonstop

$77United Airlines

Find Deal

Wed, Dec 3 - Sat, Dec 6

6:58 pm - 8:30 pmLAX-SFO

1h 32mnonstop

9:30 pm - 10:59 pmSFO-LAX

1h 29mnonstop

$78Frontier

Find Deal

Thu, Dec 25 - Thu, Jan 1

8:10 pm - 10:31 pmSEA-SFO

2h 21mnonstop

5:45 am - 8:06 amSFO-SEA

2h 21mnonstop

$118Delta

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Thu, Dec 4 - Sun, Dec 7

7:00 pm - 8:24 pmLAX-SFO

1h 24mnonstop

8:25 am - 9:59 amSFO-LAX

1h 34mnonstop

$118Delta

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Thu, Dec 4 - Mon, Dec 8

1:31 pm - 3:43 pmSEA-SFO

2h 12mnonstop

12:22 pm - 2:38 pmSFO-SEA

2h 16mnonstop

$125Alaska Airlines

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Wed, Nov 19 - Wed, Dec 3

8:45 am - 11:00 amSEA-SFO

2h 15mnonstop

2:21 pm - 4:36 pmSFO-SEA

2h 15mnonstop

$131Alaska Airlines

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Wed, Dec 10 - Wed, Dec 10

1:50 pm - 3:14 pmONT-SFO

1h 24mnonstop

9:28 pm - 10:49 pmSFO-ONT

1h 21mnonstop

$136United Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

6:00 am - 11:26 amLGA-SFO

8h 26m1 stop

6:00 am - 4:25 pmSFO-LGA

7h 25m1 stop

$246American Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

9:00 am - 3:14 pmLGA-SFO

9h 14m1 stop

6:00 am - 5:00 pmSFO-LGA

8h 00m1 stop

$254American Airlines

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Fri, Feb 20 - Mon, Feb 23

Fly from

Route

Depart

Return

Price

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Mon 12/22

6:58 pm-8:30 pm

Nonstop1h 32m

San Francisco

Sat 12/27

9:30 pm-10:59 pm

Nonstop1h 29m

$76

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Wed 12/3

1:50 pm-3:14 pm

Nonstop1h 24m

San Francisco

Sat 12/6

4:16 pm-5:37 pm

Nonstop1h 21m

$77

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Thu 12/25

6:58 pm-8:30 pm

Nonstop1h 32m

San Francisco

Thu 1/1

9:30 pm-10:59 pm

Nonstop1h 29m

$78

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 12/4

8:10 pm-10:31 pm

Nonstop2h 21m

San Francisco

Sun 12/7

5:45 am-8:06 am

Nonstop2h 21m

$118

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Thu 12/4

7:00 pm-8:24 pm

Nonstop1h 24m

San Francisco

Mon 12/8

8:25 am-9:59 am

Nonstop1h 34m

$118

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 11/19

1:31 pm-3:43 pm

Nonstop2h 12m

San Francisco

Wed 12/3

12:22 pm-2:38 pm

Nonstop2h 16m

$125

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 12/10

8:45 am-11:00 am

Nonstop2h 15m

San Francisco

Wed 12/10

2:21 pm-4:36 pm

Nonstop2h 15m

$131

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 12/4

1:50 pm-3:14 pm

Nonstop1h 24m

San Francisco

Mon 12/8

9:28 pm-10:49 pm

Nonstop1h 21m

$136

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Thu 12/4

6:00 am-11:26 am

1 stop8h 26m

San Francisco

Wed 12/10

6:00 am-4:25 pm

1 stop7h 25m

$246

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Fri 2/20

9:00 am-3:14 pm

1 stop9h 14m

San Francisco

Mon 2/23

6:00 am-5:00 pm

1 stop8h 00m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

San Francisco flights insights and trends

Explore insights for your San Francisco flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $357.

What is the absolute cheapest flight to San Francisco?

Users booking trips to San Francisco from San Bernardino found flights 78% cheaper than the average price of flights to San Francisco. To find the cheapest price to San Francisco from your area, use momondo’s Airport-to-Airport Pricing Tool.

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What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from United States to San Francisco is on a Thursday when prices can be found for as low as $415. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $587.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest United States to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $390. Flights in the afternoon are often more expensive with an average ticket price of $510.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from United States for as low as $349 on momondo.

Cheap San Francisco flight deals and tips

Summary info about San Francisco flight prices, duration and airlines

Best One-Way Price	$39
Best Round-Trip Price	$76
Fastest flight time	1h 24m
Popular in	December

The best one-way flight price to San Francisco from United States in the last 72 hours is $39 (Ontario to San Francisco).

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The best round-trip flight price to San Francisco from United States in the last 72 hours is $76 (Los Angeles to San Francisco).

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The fastest flight to San Francisco from United States takes 1h 24m (Ontario to San Francisco).

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December has the highest demand for flights to San Francisco, with a 8% price increase on average.

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Frequently asked questions about flying to San Francisco

When is it best to fly to San Francisco to go sightseeing?

Sights like Fisherman's Wharf, Palace of Fine Arts, and Lombard Street are most enjoyable in months with moderate weather conditions like January, February, or December. Plan your flight to San Francisco for those months.

How far in advance should I book a flight to San Francisco?

The ideal time to book your flight to San Francisco is 86 days in advance when prices tend to average $403. In the past 72 hours, momondo users found flights from United States to San Francisco for as low as $317.

Is there an alternative airport near San Francisco?

Finding an alternative and possibly cheaper destination airport near San Francisco is possible. If you are planning a flight to San Francisco, consider booking flights to Oakland Airport (12 mi from San Francisco city center), Concord Buchanan Fld Airport (24 mi from San Francisco city center), Napa County Airport (30 mi from San Francisco city center), San Jose Airport (40 mi from San Francisco city center) or Santa Rosa Sonoma County Airport (54 mi from San Francisco city center).

Is there a cheaper alternative to flying into San Francisco?

With an average price of $324 per person, Santa Rosa Sonoma County Airport is the cheapest airport to fly into when planning your trip to San Francisco. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

When did momondo last update prices for flights to San Francisco Airport?

Prices for flights to San Francisco Airport refresh daily.

How many operators does momondo search for flights to San Francisco Airport?

The number of operators available for flights to San Francisco Airport is 72 as of November 2025.

How old do you have to be to fly to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Modesto

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Roseville

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Hayward

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Fremont

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Vallejo

Walnut Creek

Half Moon Bay

Salinas

Turlock

Livermore

Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal to San Francisco?

It is quick and easy to find flights to San Francisco on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

Can I find flights to San Francisco with flexible booking policies on momondo?

All flight searches to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to San Francisco.

I’m not ready to book a flight to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.