$21 Cheap Flights to San Francisco International

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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 Airport? If you want to travel to San Francisco International Airport next month, round-trip fares start from $52. Find the lowest prices on one-way and round-trip tickets right here.

San Francisco.$42 per passenger.Departing Tue, Aug 11, returning Wed, Aug 19.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Tue, Aug 11, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Aug 19, arriving in Los Angeles International.Price includes taxes and charges.From $42, select.

San Francisco.$42 per passenger.Departing Tue, Oct 6, returning Wed, Oct 7.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Tue, Oct 6, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Oct 7, arriving in Los Angeles International.Price includes taxes and charges.From $42, select.

San Francisco.$42 per passenger.Departing Tue, Jul 21, returning Wed, Aug 5.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Tue, Jul 21, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Aug 5, arriving in Los Angeles International.Price includes taxes and charges.From $42, select.

San Francisco.$42 per passenger.Departing Tue, Sep 29, returning Tue, Oct 6.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Tue, Sep 29, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Tue, Oct 6, arriving in Los Angeles International.Price includes taxes and charges.From $42, select.

San Francisco.$42 per passenger.Departing Tue, Nov 3, returning Tue, Nov 10.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Tue, Nov 3, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Tue, Nov 10, arriving in Los Angeles International.Price includes taxes and charges.From $42, select.

San Francisco.$42 per passenger.Departing Tue, Oct 20, returning Tue, Nov 3.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Tue, Oct 20, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Tue, Nov 3, arriving in Los Angeles International.Price includes taxes and charges.From $42, select.

San Francisco.$52 per passenger.Departing Tue, Jul 21, returning Tue, Jul 28.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Harry Reid on Tue, Jul 21, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Tue, Jul 28, arriving in Harry Reid.Price includes taxes and charges.From $52, select.

San Francisco.$55 per passenger.Departing Tue, Jun 23, returning Wed, Jun 24.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Ontario International on Tue, Jun 23, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Jun 24, arriving in Ontario International.Price includes taxes and charges.From $55, select.

San Francisco.$55 per passenger.Departing Tue, Jun 30, returning Wed, Jul 8.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Ontario International on Tue, Jun 30, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Jul 8, arriving in Ontario International.Price includes taxes and charges.From $55, select.

San Francisco.$56 per passenger.Departing Thu, Sep 17, returning Mon, Sep 21.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Thu, Sep 17, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Mon, Sep 21, arriving in Los Angeles International.Price includes taxes and charges.From $56, select.

San Francisco.$56 per passenger.Departing Wed, Aug 12, returning Tue, Sep 8.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Ontario International on Wed, Aug 12, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Tue, Sep 8, arriving in Ontario International.Price includes taxes and charges.From $56, select.

San Francisco.$61 per passenger.Departing Wed, Aug 19, returning Sun, Oct 11.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Wed, Aug 19, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Sun, Oct 11, arriving in Los Angeles International.Price includes taxes and charges.From $61, select.

San Francisco.$74 per passenger.Departing Tue, Jun 23, returning Tue, Aug 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Tue, Jun 23, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Tue, Aug 4, arriving in Los Angeles International.Price includes taxes and charges.From $74, select.

San Francisco.$88 per passenger.Departing Wed, Jul 29, returning Wed, Sep 2.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Wed, Jul 29, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Sep 2, arriving in Los Angeles International.Price includes taxes and charges.From $88, select.

San Francisco.$89 per passenger.Departing Fri, Jul 3, returning Wed, Oct 14.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Fri, Jul 3, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Wed, Oct 14, arriving in Los Angeles International.Price includes taxes and charges.From $89, select.

San Francisco.$92 per passenger.Departing Mon, Sep 28, returning Mon, Nov 16.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Mon, Sep 28, arriving in San Francisco International.Inbound direct flight with Frontier Airlines departing from San Francisco International on Mon, Nov 16, arriving in Los Angeles International.Price includes taxes and charges.From $92, 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.

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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

How long is the flight to San Francisco International?

The average flight time to San Francisco International is 5 hours and 53 minutes. We've calculated this based on journeys from Washington, D.C..

Which airlines offer direct flights to San Francisco International?

United, SkyWest Airlines, Air New Zealand, Alaska Airlines, Qatar Airways, American Airlines, Virgin Australia and Air Canada all fly non-stop to San Francisco International.

When is the cheapest time to fly to San Francisco International?

The cheapest month to fly to San Francisco International is usually July.

How can I find the best flight deal to San Francisco International?

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.

Can I get a direct flight to San Francisco International Airport?

Yes – the average flight time is 3 hours and 31 minutes.

How much are round-trip flights to San Francisco International?

The best price we found for a round-trip flight to San Francisco International is $42. 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.

Which upcoming date is cheapest to fly to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to San Francisco International Airport is Tuesday, July 21, 2026.

When is the best time to book flights to San Francisco?

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.

Which is the cheapest airline to fly with to San Francisco?

Currently, Frontier Airlines offers the cheapest flight tickets to San Francisco International.

Flying to San Francisco International

The things to know before you go.

Cheapest flight found	$42
Cheapest month to fly	July
Average flight time	3 hrs, 32 mins
Most popular airline	United
Average flights per week	14,724

Discover San Francisco International

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

The cheapest price currently available for a one-way flight to San Francisco International Airport is $21. A round-trip plane ticket to SFO right now is $42.
Let the deals come to you by setting up a Price Alert for tickets to SFO. We'll keep an eye on it for you, sending notifications when fares go down.
Book as early as possible. You might even be able to pick up some awesome early bird deals on tickets to San Francisco, where San Francisco International Airport is located.
Select 'Add nearby airports' when searching for a better chance of scoring cheap flights to San Francisco. This will give you more choices for where you begin and end your journey, along with different prices.
If there's no rush to travel to San Francisco, consider making a pit stop along the way. You might find cheaper plane tickets to San Francisco International Airport if you book a flight with one or more stops.

Best time to go to San Francisco

The cheapest month to get on a flight to San Francisco is usually May.
Use the 'Whole month' tool if you're flexible with your dates. Browse fares for the entire month and find a flight to SFO that suits your budget and schedule.
Head to San Francisco in July if you want to go when it's busy. This is the most popular month for flights to SFO, but also when fares are likely to be more expensive.
December is the least busy time of year to visit if you prefer a more laid-back vibe. There's also a good chance you'll find cheaper prices on plane tickets to San Francisco then.
The weather can make or break a trip, so consider the type of conditions you want to get away in. San Francisco is warmest in September, averaging between 54ºF and 75ºF.
January sees the lowest temperatures, ranging from about 41ºF to 61ºF.
July gives you the best chance of sunshine. This is the driest month in San Francisco.
March brings the wettest weather. You can expect around seven days of rainfall if you visit during this time.

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

Skip the layovers and travel to San Francisco in one easy hop. Lock in a direct flight to San Francisco International Airport with one of these popular airlines:
If you want to jet away with the carrier with the fewest delays, book your SFO plane ticket with Cathay Pacific. Up to 93% of its flights into this hub arrive as planned.
When you hop off the plane at SFO, you'll be in the UTC-8 timezone.
Eager to get a good night's sleep after your flight to SFO? These hotels near San Francisco International Airport offer the perfect place to relax and recharge:
San Francisco International Airport has an on-time rating of 78%, which is based on the arrival performance of departing flights. This can be useful to know if you're catching a tight connecting flight or need to be somewhere soon after you land.
San Francisco International Airport is located in San Francisco, California, the United States.

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

The distance from SFO to central San Francisco is about 13 miles.
If you're taking a cab or ride-sharing after your flight to SFO, it'll take around 25 minutes to reach the center.
Public transport will get you there in roughly 35 minutes.
The right hotel can upgrade your whole experience. Settle in at one of these guest-approved stays in San Francisco:

San Francisco highlights

Hop off your flight to San Francisco and head directly for these well-known attractions:
- Golden Gate Bridge: Located around 4 miles northwest of the city center, this landmark is a classic place to start your sightseeing in the city.
- Japanese Tea Garden: You'll find this park roughly 3 miles west of the center in Golden Gate Park. Take a little breather and slow things down in this corner of San Francisco.
- Alcatraz Island: Want more reasons to visit San Francisco? This landmark brings in the crowds and is about 4 miles north of the city center.

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

The nearby city of San Jose is about 35 miles from SFO. Heading into the center by cab or ride-share will take around 40 minutes.
Expect a journey time of 1 hour 35 minutes or so when making your way to San Jose on public transport.

Traveling from San Francisco International Airport (SFO) to Fremont

About 20 miles away, Fremont is another city that's easy to reach from San Francisco International Airport. It'll take you around 2 hours 5 minutes to make the journey by public transport from SFO.
It'll take you 40 minutes or so to drive to Fremont.

Explore more of the United States

There's loads more to see and do in the United States, starting with San Jose. Winchester Mystery House, The Tech Interactive and Santa Clara Valley are must-do's in this city, which is around 35 miles southeast of San Francisco. San Jose Mineta International Airport (SJC) is the major airport in San Jose.
Fresno fits right into any adventure through the United States. You'll find it around 160 miles east of San Francisco. Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo are among the highlights. The main airport serving this city is Fresno Yosemite International Airport (FAT).
About 80 miles northeast of San Francisco, Sacramento is worth a detour. Big reasons to visit include California State Railroad Museum, Old Sacramento State Historic Park and Crocker Art Museum. Sacramento International Airport (SMF) is the easiest way to arrive here.