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Cheap flights from the United States to San Francisco from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to San Francisco departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United States to San Francisco

Recent round-trip flight deals from the United States to San Francisco

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:27 pm - 11:07 pm
LAX
-
SFO
1h 40mnonstop
Multiple Airlines Logo
4:03 pm - 5:37 pm
SFO
-
LAX
1h 34mnonstop
$80Multiple Airlines
Sat, Jan 17 - Sat, Jan 24
Frontier Logo
6:58 pm - 8:30 pm
LAX
-
SFO
1h 32mnonstop
Frontier Logo
7:09 pm - 8:36 pm
SFO
-
LAX
1h 27mnonstop
$81Frontier
Tue, Dec 23 - Tue, Jan 6
Alaska Airlines Logo
6:57 pm - 10:40 pm
JFK
-
SFO
6h 43mnonstop
Alaska Airlines Logo
9:16 am - 5:53 pm
SFO
-
JFK
5h 37mnonstop
$218Alaska Airlines
Mon, Feb 2 - Wed, Feb 11
American Airlines Logo
9:00 am - 2:37 pm
LGA
-
SFO
8h 37m1 stop
American Airlines Logo
7:00 am - 5:59 pm
SFO
-
LGA
7h 59m1 stop
$219American Airlines
Thu, Jan 15 - Thu, Jan 22
Alaska Airlines Logo
1:00 pm - 4:51 pm
JFK
-
SFO
6h 51mnonstop
Alaska Airlines Logo
6:29 am - 3:00 pm
SFO
-
JFK
5h 31mnonstop
$219Alaska Airlines
Mon, Mar 2 - Fri, Mar 6
Delta Logo
11:05 am - 2:41 pm
JFK
-
SFO
6h 36mnonstop
Delta Logo
5:55 am - 10:25 pm
SFO
-
JFK
13h 30m1 stop
$221Delta
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
5:57 pm - 9:50 pm
BOS
-
SFO
6h 53mnonstop
United Airlines Logo
4:10 pm - 12:52 am
SFO
-
BOS
5h 42mnonstop
$226United Airlines
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
10:35 am - 5:24 pm
LGA
-
SFO
9h 49m1 stop
American Airlines Logo
7:00 am - 5:59 pm
SFO
-
LGA
7h 59m1 stop
$227American Airlines
Thu, Jan 15 - Tue, Jan 20
United Airlines Logo
5:35 am - 11:30 am
BOS
-
SFO
8h 55m1 stop
United Airlines Logo
11:20 pm - 7:58 am
SFO
-
BOS
5h 38mnonstop
$229United Airlines
Thu, Feb 26 - Mon, Mar 2
Delta Logo
5:40 pm - 9:42 pm
BOS
-
SFO
7h 02mnonstop
Delta Logo
4:05 pm - 7:33 am
SFO
-
BOS
12h 28m1 stop
$230Delta
Thu, Jan 15 - Mon, Jan 19

Frontier flights from United States to San Francisco

Our best Frontier deals on United States to San Francisco flight tickets
Frontier
Dec 23
LAX6:58 pmLos Angeles
1h 32m
SFO8:30 pmSan Francisco
Jan 6
SFO7:09 pmSan Francisco
1h 27m
LAX8:36 pmLos Angeles
$81
Find similar
Frontier
Jan 10
LAX9:18 pmLos Angeles
1h 38m
SFO10:56 pmSan Francisco
Jan 14
SFO2:24 pmSan Francisco
4h 58m
1 stop
LAX7:22 pmLos Angeles
$84
Find similar
Frontier
Dec 10
LAX3:30 pmLos Angeles
16h 18m
1 stop
SFO7:48 amSan Francisco
Jan 7
SFO6:54 pmSan Francisco
1h 32m
LAX8:26 pmLos Angeles
$85
Find similar

Southwest flights from United States to San Francisco

Our best Southwest deals on United States to San Francisco flight tickets
Southwest
Jan 10
LAX7:10 amLos Angeles
1h 25m
SFO8:35 amSan Francisco
Jan 13
SFO5:35 pmSan Francisco
1h 25m
LAX7:00 pmLos Angeles
$83
Find similar
Southwest
Jan 10
LAX10:50 amLos Angeles
1h 30m
SFO12:20 pmSan Francisco
Jan 13
SFO5:05 amSan Francisco
6h 00m
1 stop
LAX11:05 amLos Angeles
$100
Find similar
Southwest
Jan 10
LAX7:10 amLos Angeles
1h 25m
SFO8:35 amSan Francisco
Jan 14
SFO5:30 amSan Francisco
8h 20m
2 stops
LAX1:50 pmLos Angeles
$118
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from the United States to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Sat 1/17

9:27 pm-11:07 pm

Nonstop1h 40m

San Francisco

Sat 1/24

4:03 pm-5:37 pm

Nonstop1h 34m

$80

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 12/23

6:58 pm-8:30 pm

Nonstop1h 32m

San Francisco

Tue 1/6

7:09 pm-8:36 pm

Nonstop1h 27m

$81

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Mon 2/2

6:57 pm-10:40 pm

Nonstop6h 43m

San Francisco

Wed 2/11

9:16 am-5:53 pm

Nonstop5h 37m

$218

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Thu 1/15

9:00 am-2:37 pm

1 stop8h 37m

San Francisco

Thu 1/22

7:00 am-5:59 pm

1 stop7h 59m

$219

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Mon 3/2

1:00 pm-4:51 pm

Nonstop6h 51m

San Francisco

Fri 3/6

6:29 am-3:00 pm

Nonstop5h 31m

$219

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Sat 1/17

11:05 am-2:41 pm

Nonstop6h 36m

San Francisco

Sat 1/24

5:55 am-10:25 pm

1 stop13h 30m

$221

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 1/16

5:57 pm-9:50 pm

Nonstop6h 53m

San Francisco

Mon 1/19

4:10 pm-12:52 am

Nonstop5h 42m

$226

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Thu 1/15

10:35 am-5:24 pm

1 stop9h 49m

San Francisco

Tue 1/20

7:00 am-5:59 pm

1 stop7h 59m

$227

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 2/26

5:35 am-11:30 am

1 stop8h 55m

San Francisco

Mon 3/2

11:20 pm-7:58 am

Nonstop5h 38m

$229

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 1/15

5:40 pm-9:42 pm

Nonstop7h 02m

San Francisco

Mon 1/19

4:05 pm-7:33 am

1 stop12h 28m

$230

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from United States to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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 $356.

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 Wednesday when prices can be found for as low as $412. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $580.

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 $389. Flights in the afternoon are often more expensive with an average ticket price of $501.

What is the cheapest United States to San Francisco flight route?

Fly from Las Vegas Harry Reid Intl to San Francisco for the best United States - San Francisco flight prices

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 $389 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 $338 on momondo.

What cabin class options are available on United States to San Francisco flights?

There are 4 cabin classes available to choose from on United States to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to San Francisco flights?

No. A direct flight is the cheapest option for a flight between United States to San Francisco.

Cheap United States to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to San Francisco

Best Price Found

$54

Fastest flight time

0h 52m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from United States in the past 72 hours is $54. The best round-trip flight deal from United States to San Francisco found on momondo in the last 72 hours is $93.
The fastest flight from United States to San Francisco takes 0h 52m
Direct flights go from United States to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • When did momondo last update prices for flights from United States to San Francisco Airport?

    Prices for flights from United States to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to San Francisco Airport?

  • How old do you have to be to fly from United States 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 from United States to San Francisco Airport.

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

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United States to San Francisco?

Best airlines flying from United States to San Francisco

Compare and see reviews for airlines that fly from United States to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $27Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $38Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $48Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $95Free CancellationRating
7.9
8,009 reviews
Search Delta flights
SouthwestPriceFrom $95Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $97Free CancellationRating
8.0
11,400 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $97Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
JetBluePriceFrom $106Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
American AirlinesPriceFrom $108Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
Sun Country AirPriceFrom $177Free CancellationRating
6.9
332 reviews
Search Sun Country Air flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Daly City
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
Turlock
Sunnyvale

Why use momondo?

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

It is quick and easy to find United States to San Francisco flights 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 from United States to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to San Francisco?

momondo helps you find the best flight between United States and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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