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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 2/25. 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.
Frontier Logo
8:01 pm - 9:34 pm
LAX
-
SFO
1h 33mnonstop
Frontier Logo
5:49 pm - 7:24 pm
SFO
-
LAX
1h 35mnonstop
$80Frontier
Fri, May 15 - Sat, May 16
Frontier Logo
8:01 pm - 9:38 pm
LAX
-
SFO
1h 37mnonstop
Frontier Logo
8:09 pm - 9:39 pm
SFO
-
LAX
1h 30mnonstop
$81Frontier
Sat, Mar 14 - Sat, Mar 21
Frontier Logo
8:01 pm - 9:38 pm
LAX
-
SFO
1h 37mnonstop
Frontier Logo
8:09 pm - 9:46 pm
SFO
-
LAX
1h 37mnonstop
$82Frontier
Sat, Mar 28 - Wed, Apr 1
Alaska Airlines Logo
8:41 pm - 10:56 pm
SEA
-
SFO
2h 15mnonstop
Alaska Airlines Logo
8:47 pm - 11:07 pm
SFO
-
SEA
2h 20mnonstop
$103Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
Alaska Airlines Logo
3:52 pm - 6:07 pm
SEA
-
SFO
2h 15mnonstop
Alaska Airlines Logo
7:00 am - 9:17 am
SFO
-
SEA
2h 17mnonstop
$116Alaska Airlines
Sat, Mar 14 - Wed, Mar 18
United Airlines Logo
7:15 am - 9:34 am
SEA
-
SFO
2h 19mnonstop
United Airlines Logo
9:18 pm - 11:30 pm
SFO
-
SEA
2h 12mnonstop
$117United Airlines
Thu, Feb 26 - Mon, Mar 2
Delta Logo
1:35 pm - 3:51 pm
SEA
-
SFO
2h 16mnonstop
Delta Logo
5:55 am - 8:13 am
SFO
-
SEA
2h 18mnonstop
$118Delta
Tue, Feb 24 - Sat, Feb 28
Delta Logo
7:10 am - 9:30 am
SEA
-
SFO
2h 20mnonstop
Delta Logo
5:55 am - 8:13 am
SFO
-
SEA
2h 18mnonstop
$119Delta
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
4:20 pm - 7:19 pm
ORD
-
SFO
4h 59mnonstop
United Airlines Logo
11:59 pm - 6:19 am
SFO
-
ORD
4h 20mnonstop
$250United Airlines
Wed, Mar 4 - Sun, Mar 8
JetBlue Logo
6:00 am - 12:57 pm
DCA
-
SFO
9h 57m
1 stop
JetBlue Logo
8:44 pm - 8:03 am
SFO
-
DCA
8h 19m
1 stop
$261JetBlue
Thu, Mar 5 - Mon, Mar 9

Alaska Airlines flights from United States to San Francisco

Our best Alaska Airlines deals on United States to San Francisco flight tickets
Alaska Airlines
Feb 26
SEA8:41 pmSeattle/Tacoma Intl
2h 15m
SFO10:56 pmSan Francisco
Mar 2
SFO8:47 pmSan Francisco
2h 20m
SEA11:07 pmSeattle/Tacoma Intl
$103
Alaska Airlines
Mar 14
SEA3:52 pmSeattle/Tacoma Intl
2h 15m
SFO6:07 pmSan Francisco
Mar 18
SFO7:00 amSan Francisco
2h 17m
SEA9:17 amSeattle/Tacoma Intl
$116
Alaska Airlines
Apr 13
SEA9:42 pmSeattle/Tacoma Intl
2h 17m
SFO11:59 pmSan Francisco
Apr 15
SFO9:59 amSan Francisco
2h 17m
SEA12:16 pmSeattle/Tacoma Intl
$132

JetBlue flights from United States to San Francisco

Our best JetBlue deals on United States to San Francisco flight tickets
JetBlue
Feb 25
BOS8:40 pmBoston Logan Intl
6h 51m
SFO12:31 amSan Francisco
Mar 3
SFO3:25 pmSan Francisco
5h 33m
BOS11:58 pmBoston Logan Intl
$233
JetBlue
Feb 10
JFK6:00 amNew York John F Kennedy Intl
6h 40m
SFO9:40 amSan Francisco
Feb 17
SFO11:30 pmSan Francisco
5h 30m
JFK8:00 amNew York John F Kennedy Intl
$247
JetBlue
Feb 10
JFK10:35 amNew York John F Kennedy Intl
6h 37m
SFO2:12 pmSan Francisco
Mar 1
SFO12:45 pmSan Francisco
5h 31m
JFK9:16 pmNew York John F Kennedy Intl
$252

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 January 29, 2026.
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

Fri 5/15

8:01 pm-9:34 pm

Nonstop1h 33m

San Francisco

Sat 5/16

5:49 pm-7:24 pm

Nonstop1h 35m

$80

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Sat 3/14

8:01 pm-9:38 pm

Nonstop1h 37m

San Francisco

Sat 3/21

8:09 pm-9:39 pm

Nonstop1h 30m

$81

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Sat 3/28

8:01 pm-9:38 pm

Nonstop1h 37m

San Francisco

Wed 4/1

8:09 pm-9:46 pm

Nonstop1h 37m

$82

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 2/26

8:41 pm-10:56 pm

Nonstop2h 15m

San Francisco

Mon 3/2

8:47 pm-11:07 pm

Nonstop2h 20m

$103

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 3/14

3:52 pm-6:07 pm

Nonstop2h 15m

San Francisco

Wed 3/18

7:00 am-9:17 am

Nonstop2h 17m

$116

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 2/26

7:15 am-9:34 am

Nonstop2h 19m

San Francisco

Mon 3/2

9:18 pm-11:30 pm

Nonstop2h 12m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 2/24

1:35 pm-3:51 pm

Nonstop2h 16m

San Francisco

Sat 2/28

5:55 am-8:13 am

Nonstop2h 18m

$118

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 2/26

7:10 am-9:30 am

Nonstop2h 20m

San Francisco

Mon 3/2

5:55 am-8:13 am

Nonstop2h 18m

$119

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 3/4

4:20 pm-7:19 pm

Nonstop4h 59m

San Francisco

Sun 3/8

11:59 pm-6:19 am

Nonstop4h 20m

$250

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 3/5

6:00 am-12:57 pm

1 stop9h 57m

San Francisco

Mon 3/9

8:44 pm-8:03 am

1 stop8h 19m

$261

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 $347.

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 $406. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $576.

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 $387. Flights in the afternoon are often more expensive with an average ticket price of $482.

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 $379 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 $342 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

$51

Fastest flight time

0h 55m

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 $51. The best round-trip flight deal from United States to San Francisco found on momondo in the last 72 hours is $101.
The fastest flight from United States to San Francisco takes 0h 55m
Direct flights go from United States to San Francisco every day.
There is 1 airport in San Francisco. From United States there are direct flights to 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
8,394 reviews
Search Spirit Airlines flights
FrontierPriceFrom $40Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $48Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $78Free CancellationRating
7.9
8,127 reviews
Search Delta flights
JetBluePriceFrom $85Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
SouthwestPriceFrom $94Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $97Free CancellationRating
8.0
11,808 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $97Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $107Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
Sun Country AirPriceFrom $207Free CancellationRating
6.9
343 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
Fremont
Daly City
Half Moon Bay
Salinas
Vallejo
Livermore
Sunnyvale
Turlock

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

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