How popular is this USA to San Francisco flight route?

Within the past month, 444 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 United Airlines, with whom users have recently found tickets for as low as $39. However, be on the lookout for offers from Frontier and Hawaiian Airlines, as they are both options that can get you from USA to San Francisco for a low price.

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 $364). 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.

Weekly flight availability from USA to San Francisco

The most flights from US0 to SFO are scheduled on a Thursday (172 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (93 on average).

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.

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).

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, Los Angeles - San Francisco and Newark - 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 $1,014, our data indicates the cheapest price to be $57. The most popular route (New York John F Kennedy Intl - San Francisco), is priced around $217.

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

Consider Air China (94%), Emirates (90%) or Aer Lingus (89%) when booking your flight. These represent the most reliable airlines when flying from USA to San Francisco.

What are the most popular airlines that fly from USA to San Francisco?

Before booking your flight from USA to San Francisco check out the most popular airlines for this route: American Airlines, Alaska Airlines or JetBlue.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 38 days in advance, which can save you up to 72% on flights from USA to San Francisco compared to booking the week you need them. Waiting 38 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $474. For sooner than that we have options available in the next 3 days from $736.

What is the cheapest month to fly from USA to San Francisco?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to San Francisco. Flights to San Francisco from USA in February are about $419 on average during February, but can be found for as low as $169.

What is the cheapest time of day to fly from US to SFO?

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.

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.

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.

$132+ Flights from the United States to San Francisco

Round-trip from	$52 (United Airlines)
One-way from	$39 (United Airlines)
Popular in	December
Cheapest in	February
Average price	$486
Good round-trip deal	$93 or less
Good one-way deal	$47 or less

American Airlines' Main Cabin Extra offers 34-35” legroom, enhancing comfort on longer flights.

American Airlines' Flagship Business class provides 6’ 7” lay-flat beds and 16” HD screens.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$30	Average$191	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$37	Average$189	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$45	Average$308	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$48	Average$278	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$90	Average$316	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$97	Average$284	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$97	Average$337	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$101	Average$312	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$103	Average$355	FlexibilityNo cancel fee	On-time71%
Sun Country Air	Cheapest$150	Average$361	FlexibilityNo cancel fee	On-time83%

$39+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to San Francisco

Keep the following information in mind while searching for USA to San Francisco flight deals. Data was last updated June 12, 2025.

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Find flight deals from USA to San Francisco

Cheapest flights from USA to San FranciscoExplore 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 June 12, 2025.

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 June 12, 2025.

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

The best insider tips for theUnited States to San Francisco flights

Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to San Francisco trip

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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.

Cheapflights Insights

Everything you need to know about your flight from the United States to San Francisco

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

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 June 12, 2025.

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 June 12, 2025.

Rainfall in San Francisco by month

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

Temperature in San Francisco by month

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

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown Breeze Airways, Alaska Airlines and Southwest from USA to San Francisco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

How popular is this USA to San Francisco flight route?

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

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

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

What are the cheapest flights from USA to San Francisco?

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

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

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

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

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Alternative routes for 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 June 12, 2025.