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Cheap flights from San Francisco to San José from £155

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to San José

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to San José
Explore the most affordable flight options available from San Francisco to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Sat 27/1223:59SFO - SJO
1 stop11h 02mJetBlue
Sun 4/110:00SJO - SFO
1 stop15h 30mJetBlue
Deal found 9/12£385
Wed 31/1205:50SFO - SJO
2 stops12h 40mSouthwest
Wed 21/109:40SJO - SFO
2 stops14h 10mSouthwest
Deal found 10/12£394
Sat 13/1221:44SFO - SJO
1 stop9h 08mJetBlue
Sat 20/1217:31SJO - SFO
1 stop17h 58mJetBlue
Deal found 11/12£444
Sat 13/1221:44SFO - SJO
1 stop9h 08mJetBlue
Thu 18/1217:31SJO - SFO
1 stop17h 58mJetBlue
Deal found 11/12£464
Fri 12/1200:36SFO - SJO
1 stop14h 17mCopa Airlines
Wed 24/1205:49SJO - SFO
1 stop19h 28mCopa Airlines
Deal found 11/12£465
Thu 11/1221:44SFO - SJO
1 stop13h 12mJetBlue
Thu 18/1214:06SJO - SFO
1 stop11h 24mJetBlue
Deal found 10/12£476
Thu 11/1221:44SFO - SJO
1 stop13h 12mJetBlue
Wed 17/1210:00SJO - SFO
1 stop15h 35mJetBlue
Deal found 10/12£480
Sat 13/1221:44SFO - SJO
1 stop9h 08mJetBlue
Sun 21/1217:31SJO - SFO
1 stop17h 58mJetBlue
Deal found 11/12£482
Mon 15/1209:08SFO - SJO
1 stop12h 40mAlaska Airlines
Sun 1/201:16SJO - SFO
1 stop17h 20mAlaska Airlines
Deal found 10/12£508
Wed 10/1221:44SFO - SJO
1 stop9h 08mJetBlue
Wed 17/1210:00SJO - SFO
1 stop15h 35mJetBlue
Deal found 10/12£512
Tue 16/1211:40SFO - SJO
1 stop10h 08mAlaska Airlines
Tue 23/1201:30SJO - SFO
1 stop11h 04mAlaska Airlines
Deal found 10/12£514
Thu 11/1221:44SFO - SJO
1 stop13h 12mJetBlue
Fri 19/1210:00SJO - SFO
1 stop15h 30mJetBlue
Deal found 10/12£515

Find flight deals from San Francisco to San José

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

£323

One-way from

£155

Popular in

December

Cheapest in

September

Average price

£719
Alaska Airlines
  • Alaska Airlines
  • 2/3-5/3
  • 3 total stops
  • 49h 54m total
  • San Francisco to San José
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 25/2
  • 1 total stop
  • 9h 20m total
  • San Francisco to San José
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to San José 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, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from San Francisco to San José that are best for you.

Fly from

San Francisco

Fly to

San José

Route

Depart

Return

Price

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 2/3

12:47-00:07

1 stop9h 20m

San José Juan Santamaria Intl

Thu 5/3

01:27-09:14

2 stops33h 47m

£323

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Wed 4/2

05:30-19:30

2 stops12h 00m

San José Juan Santamaria Intl

Tue 10/2

09:40-21:15

2 stops13h 35m

£354

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 19/1

07:30-23:59

1 stop14h 29m

San José Juan Santamaria Intl

Tue 27/1

01:16-23:03

2 stops23h 47m

£361

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 1/2

17:45-12:50

2 stops17h 05m

San José Juan Santamaria Intl

Tue 10/2

09:40-21:20

2 stops13h 40m

£362

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 24/2

12:30-12:50

2 stops22h 20m

San José Juan Santamaria Intl

Tue 3/3

09:40-21:50

2 stops14h 10m

£362

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Fri 6/3

06:00-00:07

1 stop16h 07m

San José Juan Santamaria Intl

Sun 15/3

01:28-23:59

2 stops23h 31m

£368

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Fri 23/1

07:30-23:59

1 stop14h 29m

San José Juan Santamaria Intl

Mon 16/2

01:27-10:37

2 stops35h 10m

£369

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Wed 25/3

20:42-16:46

2 stops19h 04m

San José Juan Santamaria Intl

Tue 31/3

04:09-23:40

1 stop20h 31m

£371

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Wed 11/3

10:35-00:08

1 stop12h 33m

San José Juan Santamaria Intl

Tue 24/3

00:20-15:51

2 stops16h 31m

£392

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 8/3

21:24-00:08

1 stop25h 44m

San José Juan Santamaria Intl

Mon 16/3

01:28-10:15

2 stops33h 47m

£394

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 22 results
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Best time to book a flight from San Francisco to San José

Have a flexible travel schedule? Discover the best time to fly to San José from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to San José

How far ahead should I book a flight from San Francisco to San José?

Use this chart to determine the optimal time to book a return flight from San Francisco to San José. Price data was last updated on 5 December 2025.

The price you pay for your flight from San Francisco to San José may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to San José (average of £164). Flying from San Francisco to San José in June is currently the most expensive (average of £300). 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.

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

Find hourly flight availability from San Francisco to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

When flying from San Francisco to San José, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to San José?

    Airlines like Southwest, Alaska Airlines, and Copa Airlines fly from San Francisco to San José in about 12h. The time it takes to get you to your destination can typically vary by up to 7h 04m. Airlines will cover a distance of 3039 mi. This flight may include one or multiple stops.

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

    Yes. In addition to deals on San Francisco to San José flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to San José.

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

    Yes. Cheapflights offers flight deals from San Francisco to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, November is the cheapest month in which you can book a flight from San Francisco to San José (average of £164). Flying from San Francisco to San José in June is currently the most expensive (average of £300). 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.

See more FAQs

Travelling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Jacó
Manuel Antonio

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to San José

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to San José flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to San José?

Cheapflights helps you search for flights from San Francisco to San José via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to San José?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to San José.

Can Cheapflights find flights from San Francisco to San José with no change fees?

Yes, we can. To see specific flights from San Francisco to San José with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Francisco to San José become cheaper?

Yes! Start tracking prices for San Francisco to San José flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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