What is the cheapest airline that flies from San Francisco to United States?

Alaska Airlines, Southwest, and Delta are the most popular carriers operating from San Francisco to United States

What airlines fly to United States?

Frontier, United Airlines and Alaska Airlines are the top three most popular airlines that fly to United States from San Francisco according to our data. Frontier is the first choice among our users, with 33% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 13 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

How many flights depart from San Francisco to United States on average per week?

As of December 2025, there are 3,424 flights per week flying from San Francisco to United States. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How many flights depart from San Francisco to United States on average per day?

The number of flights available between San Francisco and United States is 489 per day as of December 2025. The most frequent departure time is 7:00AM, with 45% of daily flights leaving at noon.

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

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

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

As of December 2025, there are 11 operators available to choose from for flights from San Francisco Airport to United States.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$33 Cheap Flights from San Francisco to the United States in 2025/26

Q: How often are flights from San Francisco to the United States delayed?

Historically, on average around 14% of flights between San Francisco and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:25 pm - 4:10 pm

SFO

LAS

1h 45mnonstop

10:45 am - 12:38 pm

LAS

SFO

1h 53mnonstop

$89Frontier

Sun, Jan 18 - Tue, Feb 3

4:51 pm - 6:35 pm

SFO

LAS

1h 44mnonstop

4:17 pm - 11:41 pm

LAS

SFO

7h 24m1 stop

$91Frontier

Thu, Jan 29 - Sat, Jan 31

8:16 pm - 9:58 pm

SFO

LAS

1h 42mnonstop

7:00 am - 8:46 am

LAS

SFO

1h 46mnonstop

$92Multiple Airlines

Mon, Feb 16 - Wed, Feb 18

7:30 am - 9:02 am

SFO

LAX

1h 32mnonstop

7:55 pm - 9:25 pm

LAX

SFO

1h 30mnonstop

$97Alaska Airlines

Wed, Jan 21 - Wed, Jan 28

9:00 am - 11:21 am

SFO

SEA

2h 21mnonstop

1:36 pm - 3:50 pm

SEA

SFO

2h 14mnonstop

$122Alaska Airlines

Wed, Jan 14 - Tue, Jan 20

9:05 am - 11:29 am

SFO

SEA

2h 24mnonstop

6:03 am - 8:25 am

SEA

SFO

2h 22mnonstop

$126United Airlines

Thu, Jan 15 - Mon, Jan 19

9:50 am - 4:38 pm

SFO

SEA

6h 48m1 stop

7:15 am - 3:08 pm

SEA

SFO

7h 53m1 stop

$127Delta

Sun, Jan 11 - Wed, Jan 14

2:55 pm - 11:26 pm

SFO

JFK

5h 31mnonstop

7:25 pm - 11:04 pm

JFK

SFO

6h 39mnonstop

$218Delta

Sun, Jan 11 - Sun, Jan 18

6:00 am - 4:30 pm

SFO

EWR

7h 30m1 stop

4:59 pm - 11:12 pm

EWR

SFO

9h 13m1 stop

$233American Airlines

Wed, Jan 28 - Mon, Feb 2

8:30 am - 5:06 pm

SFO

MIA

5h 36mnonstop

6:05 am - 9:43 am

MIA

SFO

6h 38mnonstop

$259United Airlines

Mon, Jan 19 - Mon, Jan 26

Alaska Airlines flights from San Francisco to United States

Our best Alaska Airlines deals on San Francisco to United States flight tickets

Alaska Airlines

Jan 20

SFO7:30 amSan Francisco

1h 32m

LAX9:02 amLos Angeles

Jan 27

LAX11:00 amLos Angeles

1h 30m

SFO12:30 pmSan Francisco

$97

Find similar

Alaska Airlines

Feb 4

SFO7:55 pmSan Francisco

1h 41m

LAS9:36 pmLas Vegas Harry Reid Intl

Feb 9

LAS8:13 pmLas Vegas Harry Reid Intl

1h 42m

SFO9:55 pmSan Francisco

$107

Find similar

Alaska Airlines

Jan 14

SFO9:00 amSan Francisco

2h 21m

SEA11:21 amSeattle/Tacoma Intl

Jan 20

SEA1:36 pmSeattle/Tacoma Intl

2h 14m

SFO3:50 pmSan Francisco

$122

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Delta flights from San Francisco to United States

Our best Delta deals on San Francisco to United States flight tickets

Delta

Jan 14

SFO8:55 amSan Francisco

1h 36m

LAX10:31 amLos Angeles

Jan 28

LAX6:00 amLos Angeles

1h 30m

SFO7:30 amSan Francisco

$117

Find similar

Delta

Jan 11

SFO9:50 amSan Francisco

6h 48m

1 stop

SEA4:38 pmSeattle/Tacoma Intl

Jan 13

SEA11:25 amSeattle/Tacoma Intl

6h 51m

1 stop

SFO6:16 pmSan Francisco

$127

Find similar

Delta

Feb 6

SFO5:55 amSan Francisco

1h 30m

LAX7:25 amLos Angeles

Feb 9

LAX6:00 amLos Angeles

1h 30m

SFO7:30 amSan Francisco

$131

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momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Sun 1/18

2:25 pm-4:10 pm

Nonstop1h 45m

Las Vegas Harry Reid Intl

Tue 2/3

10:45 am-12:38 pm

Nonstop1h 53m

$89

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Thu 1/29

4:51 pm-6:35 pm

Nonstop1h 44m

Las Vegas Harry Reid Intl

Sat 1/31

4:17 pm-11:41 pm

1 stop7h 24m

$91

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 2/16

8:16 pm-9:58 pm

Nonstop1h 42m

Las Vegas Harry Reid Intl

Wed 2/18

7:00 am-8:46 am

Nonstop1h 46m

$92

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 1/21

7:30 am-9:02 am

Nonstop1h 32m

Los Angeles

Wed 1/28

7:55 pm-9:25 pm

Nonstop1h 30m

$97

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 1/14

9:00 am-11:21 am

Nonstop2h 21m

Seattle/Tacoma Intl

Tue 1/20

1:36 pm-3:50 pm

Nonstop2h 14m

$122

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 1/15

9:05 am-11:29 am

Nonstop2h 24m

Seattle/Tacoma Intl

Mon 1/19

6:03 am-8:25 am

Nonstop2h 22m

$126

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 1/11

9:50 am-4:38 pm

1 stop6h 48m

Seattle/Tacoma Intl

Wed 1/14

7:15 am-3:08 pm

1 stop7h 53m

$127

San FranciscoNew York

SFO - JFK

SFOJFK

San Francisco

Sun 1/11

2:55 pm-11:26 pm

Nonstop5h 31m

New York John F Kennedy Intl

Sun 1/18

7:25 pm-11:04 pm

Nonstop6h 39m

$218

San FranciscoNewark

SFO - EWR

SFOEWR

San Francisco

Wed 1/28

6:00 am-4:30 pm

1 stop7h 30m

Newark

Mon 2/2

4:59 pm-11:12 pm

1 stop9h 13m

$233

San FranciscoMiami

SFO - MIA

SFOMIA

San Francisco

Mon 1/19

8:30 am-5:06 pm

Nonstop5h 36m

Miami

Mon 1/26

6:05 am-9:43 am

Nonstop6h 38m

$259

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

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to United States?

In general, February is the cheapest month to fly from San Francisco to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $313. If you aren’t able to travel during the month of February, then book flights to United States from San Francisco during March instead. Flights to United States in March, while not as cheap as those in February, still average around $323.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from San Francisco. The lowest ticket price found for a Wednesday departure recently was $421. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $547. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $373. Try not to purchase tickets in the morning because they tend to be around $500. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $387 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from San Francisco for as low as $306 on momondo.

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

There are 4 cabin classes available to choose from on San Francisco to United States 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 San Francisco to United States flights?

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

Cheap San Francisco to United States flight deals and tips

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

Best Price Found	$58
Fastest flight time	0h 53m
Direct flights	Every day
Airports in United States	4,296 airports

The best one-way flight to United States from San Francisco in the past 72 hours is $58. The best round-trip flight deal from San Francisco to United States found on momondo in the last 72 hours is $92.

The fastest flight from San Francisco to United States takes 0h 53m

Direct flights go from San Francisco to United States every day.

There are 4,296 airports in United States. From San Francisco there are direct flights to Los Angeles (LAX), Ontario (ONT).

Search flight deals

When did momondo last update prices for flights from San Francisco Airport to United States?
Prices for flights from San Francisco Airport to United States are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to United States?
As of December 2025, there are 11 operators available to choose from for flights from San Francisco Airport to United States.
How old do you have to be to fly from San Francisco Airport to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to United States?
Based on momondo bookings for flights between San Francisco and United States, the leading plane model is Boeing 737 MAX 8, making up 13.13% of the total bookings. Other popular models include Boeing 737-800 with 9.93%, Boeing 737-800 Passenger/BBJ2 (winglets) with 8.56%, and Boeing 737 MAX 9 with 8.42%.

Best airlines flying from San Francisco to United States

Compare and see reviews for airlines that fly from San Francisco to United States with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $32	Free Cancellation	Rating 6.3 8,197 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $47	Free Cancellation	Rating 5.8 3,076 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $68	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $68	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Allegiant Air	PriceFrom $82	Free Cancellation	Rating 7.2 701 reviews	Search Allegiant Air flights
JetBlue	PriceFrom $85	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $97	Free Cancellation	Rating 8.0 11,508 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $97	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
American Airlines	PriceFrom $117	Free Cancellation	Rating 7.2 11,055 reviews	Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to United States. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to United States from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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Flights to New Yorkfrom $50

Flights to Los Angelesfrom $49

Flights to Miamifrom $50

Flights to Chicagofrom $51

Flights to Orlandofrom $50

Flights to San Franciscofrom $53

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $58

Flights to Bostonfrom $50

Flights to Atlantafrom $47

Flights to Dallasfrom $51

Flights to Seattlefrom $55

Cheap flights from San Francisco to the United States from $33

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Find the cheapest flights from San Francisco to the United States

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Alaska Airlines flights from San Francisco to United States

Our best Alaska Airlines deals on San Francisco to United States flight tickets

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Use the filters below to find and compare flights from San Francisco to the United States that are best for you.

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

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $373. Try not to purchase tickets in the morning because they tend to be around $500. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to United States?

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

There are 4 cabin classes available to choose from on San Francisco to United States 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 San Francisco to United States flights?

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

What is the cheapest airline that flies from San Francisco to United States?

Alaska Airlines, Southwest, and Delta are the most popular carriers operating from San Francisco to United States

What airlines fly to United States?

How often are flights from San Francisco to the United States delayed?

Historically, on average around 14% of flights between San Francisco and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

How many flights depart from San Francisco to United States on average per day?

The number of flights available between San Francisco and United States is 489 per day as of December 2025. The most frequent departure time is 7:00AM, with 45% of daily flights leaving at noon.

How many flights depart from San Francisco to United States on average per week?

As of December 2025, there are 3,424 flights per week flying from San Francisco to United States. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

Cheap San Francisco to United States flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in United States

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

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

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

What documentation or ID do you need to fly to United States?

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

Best airlines flying from San Francisco to United States

Compare and see reviews for airlines that fly from San Francisco to United States with momondo

Why use momondo?

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

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

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

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

An easier way to manage your United States 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo