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Cheap flights from San Francisco to San José from £128

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
24 May — 31 May1
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 24 April 2026.

Mon 17/819:25
SFO
-
SJO
2 stops16h 20m
Southwest
Wed 26/809:00
SJO
-
SFO
2 stops13h 10m
Southwest
Deal found 22/4£371
Tue 29/905:50
SFO
-
SJO
2 stops11h 50m
Southwest
Tue 6/1013:00
SJO
-
SFO
2 stops10h 55m
Southwest
Deal found 19/4£383
Mon 14/919:25
SFO
-
SJO
2 stops16h 20m
Southwest
Mon 21/909:00
SJO
-
SFO
2 stops14h 05m
Southwest
Deal found 20/4£394
Tue 19/507:40
SFO
-
SJO
2 stops14h 53m
Alaska Airlines
Tue 26/500:53
SJO
-
SFO
2 stops16h 55m
Alaska Airlines
Deal found 22/4£417
Wed 5/815:45
SFO
-
SJO
2 stops20h 00m
Southwest
Wed 19/809:00
SJO
-
SFO
2 stops13h 10m
Southwest
Deal found 19/4£417
Tue 6/1019:45
SFO
-
SJO
2 stops14h 55m
Southwest
Sat 17/1013:00
SJO
-
SFO
2 stops19h 35m
Southwest
Deal found 19/4£418
Tue 19/507:40
SFO
-
SJO
2 stops14h 53m
Alaska Airlines
Wed 27/500:53
SJO
-
SFO
2 stops16h 55m
Alaska Airlines
Deal found 22/4£419
Mon 7/915:00
SFO
-
SJO
2 stops20h 45m
Southwest
Thu 10/909:00
SJO
-
SFO
2 stops14h 05m
Southwest
Deal found 24/4£423
Wed 19/806:00
SFO
-
SJO
2 stops11h 40m
Southwest
Sun 23/812:35
SJO
-
SFO
2 stops20h 15m
Southwest
Deal found 23/4£429
Tue 12/519:44
SFO
-
SJO
2 stops50h 49m
Alaska Airlines
Tue 19/500:53
SJO
-
SFO
2 stops16h 55m
Alaska Airlines
Deal found 22/4£431
Wed 13/510:57
SFO
-
SJO
1 stop11h 36m
Alaska Airlines
Tue 19/500:53
SJO
-
SFO
2 stops20h 03m
Alaska Airlines
Deal found 23/4£433

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 24 April 2026.

Round-trip from

£371

One-way from

£128

Popular in

December

Cheapest in

May

Average price

£466
Southwest
  • Southwest
  • 15/9-22/9
  • 4 total stops
  • 24h 50m total
  • San Francisco to San José
Search Deals
Frontier
  • Frontier
  • 30/8
  • 1 total stop
  • 10h 29m 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. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 24 April 2026.
Use the filters below to find and compare flights from San Francisco to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Wed 6/5

15:55-12:10

2 stops19h 15m

San José Juan Santamaria Intl

Tue 12/5

09:00-22:10

2 stops14h 10m

£485

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 4/5

19:44-23:45

2 stops27h 01m

San José Juan Santamaria Intl

Sun 31/5

00:53-12:41

2 stops36h 48m

£501

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 15/6

23:55-08:45

1 stop7h 50m

San José Juan Santamaria Intl

Tue 23/6

05:05-12:50

1 stop8h 45m

£539

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Thu 4/6

13:56-23:33

1 stop8h 37m

San José Juan Santamaria Intl

Wed 10/6

01:06-17:47

1 stop17h 41m

£540

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Thu 21/5

16:45-23:33

1 stop29h 48m

San José Juan Santamaria Intl

Wed 27/5

00:53-09:18

2 stops33h 25m

£554
Fastest return journey

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 7/7

23:36-07:15

Nonstop6h 39m

San José Juan Santamaria Intl

Wed 15/7

08:45-14:30

Nonstop6h 45m

£626

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Thu 21/5

05:05-19:00

2 stops12h 55m

San José Juan Santamaria Intl

Wed 27/5

09:00-22:45

2 stops14h 45m

£628

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 26/7

23:59-10:11

1 stop9h 12m

San José Juan Santamaria Intl

Fri 7/8

08:45-14:30

Nonstop6h 45m

£629

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Wed 15/7

23:36-07:15

Nonstop6h 39m

San José Juan Santamaria Intl

Tue 21/7

00:30-15:03

1 stop15h 33m

£633

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 6/7

23:36-07:15

Nonstop6h 39m

San José Juan Santamaria Intl

Sun 19/7

08:45-14:30

Nonstop6h 45m

£644

Flights are sorted by cheapest return flights first.

Deals found on 20/4

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

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 79 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, May is the cheapest month in which you can book a flight from San Francisco to San José (average of £375). Flying from San Francisco to San José in December is currently the most expensive (average of £646). 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 24 April 2026.

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.

How much does it cost for a return flight from San Francisco to San José?

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 Alaska Airlines and United Airlines fly from San Francisco to San José in about 14h 17m. The time it takes to get you to your destination can typically vary by up to 12h 44m. 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, May is the cheapest month in which you can book a flight from San Francisco to San José (average of £375). Flying from San Francisco to San José in December is currently the most expensive (average of £646). 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

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Alternative routes for San Francisco to San José

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Los Angeles to San José flights

Fly with Cheapflights

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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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