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$22 Cheap Flights to San Francisco International

Compare San Francisco International Airport flights across hundreds of providers

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Flight deals to San Francisco International

Looking for a cheap last-minute deal or the best round-trip flight to San Francisco International? Find the lowest prices on one-way and round-trip tickets right here.
San Francisco.$46 per passenger.Departing Wed, Jan 21, returning Wed, Jan 21.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Harry Reid on Wed, Jan 21, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Jan 21, arriving in Harry Reid.Price includes taxes and charges.From $46, select.
San Francisco.$46 per passenger.Departing Fri, Feb 6, returning Sun, Feb 8.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Harry Reid on Fri, Feb 6, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Sun, Feb 8, arriving in Harry Reid.Price includes taxes and charges.From $46, select.
San Francisco.$47 per passenger.Departing Thu, Dec 11, returning Wed, Jan 28.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Harry Reid on Thu, Dec 11, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Jan 28, arriving in Harry Reid.Price includes taxes and charges.From $47, select.
San Francisco.$47 per passenger.Departing Wed, Jan 28, returning Sun, Feb 1.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Harry Reid on Wed, Jan 28, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Sun, Feb 1, arriving in Harry Reid.Price includes taxes and charges.From $47, select.
San Francisco.$48 per passenger.Departing Tue, Feb 24, returning Tue, Mar 3.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Tue, Feb 24, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Tue, Mar 3, arriving in Denver International.Price includes taxes and charges.From $48, select.
San Francisco.$49 per passenger.Departing Tue, Mar 3, returning Wed, Mar 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Tue, Mar 3, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Mar 4, arriving in Denver International.Price includes taxes and charges.From $49, select.
San Francisco.$53 per passenger.Departing Wed, Jan 28, returning Sun, Mar 1.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Harry Reid on Wed, Jan 28, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Sun, Mar 1, arriving in Harry Reid.Price includes taxes and charges.From $53, select.
San Francisco.$63 per passenger.Departing Sat, Feb 28, returning Wed, Apr 1.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Sat, Feb 28, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Apr 1, arriving in Los Angeles International.Price includes taxes and charges.From $63, select.

Find the cheapest time to fly to San Francisco International

Flexible on travel dates? Find the cheapest month – or even day – to fly to San Francisco International.
Dec
from $77
Jan
from $46
Feb
from $46
Mar
from $49
Apr
from $84
May
from $114
Jun
from $120
Jul
from $134
Aug
from $133
Sep
from $134
Oct
from $133
Nov
from $788

Airports near San Francisco

Compare routes to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier.

Direct flights to San Francisco International

Frequently asked questions

The average flight time to San Francisco International is 6 hours and 9 minutes. We've calculated this based on journeys from Washington, D.C..
United, SkyWest Airlines, American Airlines, Alaska Airlines, Air New Zealand, Hawaiian Airlines, Virgin Australia and Qatar Airways all fly non-stop to San Francisco International.
The cheapest month to fly to San Francisco International is usually January.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
Yes – the average flight time is 3 hours and 36 minutes.
The best price we found for a round-trip flight to San Francisco International is $46. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to San Francisco International Airport is Wednesday, January 21, 2026.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to San Francisco International.

Discover San Francisco International

How to find cheap flights to San Francisco International Airport (SFO)

  • Currently, $22 is the cheapest price for a one-way flight to San Francisco International Airport. Or you can book a return plane ticket to SFO for $46.

  • Book when the time is right with Price Alerts. You'll receive an email or a push notification on the app if the price of tickets to SFO changes.

  • Avoid leaving things to the last minute. You're more likely to get the lowest price on tickets to San Francisco, where San Francisco International Airport is located, if you book early. Airlines often have some awesome early bird deals.

  • Click on 'Add nearby airports' during your search for a better chance of finding cheap flights to San Francisco. Doing this will give you more choices for where you take off and touch down, as well as different prices.

  • Think about taking a flight with a stop since indirect routes often cost less. Just uncheck the 'Direct flights' box when searching for your plane tickets to San Francisco International Airport.

Best time to go to San Francisco

  • The cheapest month to hop on a flight to San Francisco is usually May.

  • To find the cheapest month for flights to SFO, use the 'Whole month' tool. If you're flexible with your dates, search for the green prices on the calendar — they highlight the lowest available fares.

  • If you'd like to experience San Francisco at its busiest, lock in your flights to SFO for August. Going on vacation during peak periods typically means more to see and do compared to other times of the year.

  • The quietest time of the year to travel is February. Lock in your plane tickets to San Francisco then and enjoy the top attractions at a more relaxed pace.

  • With averages of between 54ºF and 72ºF, September is when San Francisco is at its warmest. Organize your visit around your weather preferences to make the most of your time here.

  • January brings the lowest temperatures, ranging from around 43ºF to 61ºF.

  • July is the driest month in San Francisco. Leave the umbrella at home and enjoy clearer skies ahead.

  • March brings the wettest conditions. You can expect around seven days of rainfall if you visit during this time.

Traveling to San Francisco International Airport (SFO): What you need to know

  • Offering direct flights to San Francisco International Airport, these top airlines make reaching San Francisco a breeze:

  • If you want to jet off with the most consistently on-time carrier, book your SFO plane ticket with Cathay Pacific. Up to 93% of its flights to this airport land when expected.

  • The timezone at SFO is UTC-7.

  • Curl up in bed shortly after your flight to SFO. Choose one of these stays near San Francisco International Airport and you'll be fast asleep in no time:

  • Fast-track your adventure by picking up a car rental in SFO. Find your ideal ride with Dollar, Thrifty or Hertz and experience parts of San Francisco that most visitors tend to miss.

  • San Francisco International Airport has an on-time performance of 77%. This figure is a measure of how reliably flights from SFO touch down when expected.

  • San Francisco International Airport is located in San Francisco, California, the United States.

Getting to central San Francisco from San Francisco International Airport (SFO)

San Francisco highlights

  • These popular sights should be on your itinerary after stepping off your flight to San Francisco:

    • Golden Gate Bridge: An impressive preview of the city's highlights, this landmark is around 4 miles north-west of the center.

    • Japanese Tea Garden: Head to this park when you need a change of pace in San Francisco. It's roughly 3 miles west of the center in Golden Gate Park.

    • Alcatraz Island: This will be another highlight of your trip. A top landmark, it's around 4 miles north of the heart of San Francisco.

How to get to San Jose from San Francisco International Airport (SFO)

  • Going straight to San Jose? From SFO, it'll take around 40 minutes to drive there. The city is about 35 miles from the airport.

  • If you're catching public transport, it'll take roughly 1 hour 35 minutes to get where you're going.

Traveling from San Francisco International Airport (SFO) to Fremont

  • Fremont is around 20 miles from San Francisco International Airport. If that's your destination, the ride by public transport takes about 2 hours 5 minutes.

  • It'll take you 40 minutes or so to drive to Fremont.

Explore more of the United States

  • The United States has plenty more surprises in store. Venture on to San Jose, located about 35 miles south-east of San Francisco. Japantown (San Jose), Winchester Mystery House and The Tech Museum of Innovation have to be on your to-do list. Norman Y. Mineta San Jose International Airport (SJC) is the city's nearest major airport.

  • Fresno fits right into any adventure through the United States. You'll find it around 160 miles east of San Francisco. African American Museum, Forestiere Underground Gardens and Shinzen Japanese Garden are visitor favorites. The main point of arrival is Fresno Yosemite International Airport (FAT).

  • Roughly 80 miles north-east of San Francisco, Sacramento brings even more to your adventure. Good reasons to visit include Old Sacramento Waterfront, Redwood Park and Fright Planet - America's Haunted Theme Park. Sacramento International Airport (SMF) is the easiest way to get here.

More travel options

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.