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Cheap flights from San Francisco to San José from £148

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
23 Apr — 30 Apr1
1 adult

Cheap 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 18 April 2025.

Round-trip from

£347

One-way from

£148

Popular in

December

Cheapest in

September

Average price

£444
Alaska Airlines
  • Alaska Airlines
  • 3/5-19/5
  • 4 total stops
  • 61h 46m total
  • San Francisco to San José
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JetBlue
  • JetBlue
  • 10/5
  • 1 total stop
  • 11h 56m total
  • San Francisco to San José
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find flight deals from San Francisco to San José

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 18 April 2025.

Sat 3/516:39SFO - SJO
2 stops30h 13mAlaska Airlines
Mon 19/501:06SJO - SFO
2 stops31h 33mAlaska Airlines
Deal found 17/4£347
Mon 12/500:05SFO - SJO
1 stop7h 35mAvianca
Tue 20/515:05SJO - SFO
1 stop8h 40mAvianca
Deal found 17/4£347
Sun 6/721:25SFO - SJO
1 stop13h 30mJetBlue
Thu 24/712:55SJO - SFO
1 stop11h 41mJetBlue
Deal found 16/4£382
Mon 12/500:05SFO - SJO
1 stop7h 35mMultiple Airlines
Mon 19/501:06SJO - SFO
1 stop12h 25mMultiple Airlines
Deal found 17/4£396
Wed 16/401:40SFO - SJO
1 stop19h 14mCopa Airlines
Thu 24/410:05SJO - SFO
1 stop14h 35mCopa Airlines
Deal found 17/4£405
Sun 8/605:15SFO - SJO
2 stops13h 25mSouthwest
Tue 17/608:45SJO - SFO
2 stops15h 25mSouthwest
Deal found 17/4£458
Sun 8/623:34SFO - SJO
Nonstop6h 41mUnited Airlines
Tue 17/608:45SJO - SFO
Nonstop6h 49mUnited Airlines
Deal found 17/4£469

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 18 April 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

Sat 3/5

16:39-23:52

2 stops30h 13m

San José Juan Santamaria Intl

Mon 19/5

01:06-07:39

2 stops31h 33m

£347

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 12/5

00:05-08:40

1 stop7h 35m

San José Juan Santamaria Intl

Tue 20/5

15:05-22:45

1 stop8h 40m

£347

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 6/7

21:25-11:55

1 stop13h 30m

San José Juan Santamaria Intl

Thu 24/7

12:55-23:36

1 stop11h 41m

£382

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 12/5

00:05-08:40

1 stop7h 35m

San José Juan Santamaria Intl

Mon 19/5

01:06-12:31

1 stop12h 25m

£396

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 8/6

05:15-19:40

2 stops13h 25m

San José Juan Santamaria Intl

Tue 17/6

08:45-23:10

2 stops15h 25m

£458

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 8/6

23:34-07:15

Nonstop6h 41m

San José Juan Santamaria Intl

Tue 17/6

08:45-14:34

Nonstop6h 49m

£469

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sat 10/5

22:59-11:55

1 stop11h 56m

£148

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 3/8

18:40-23:30

2 stops27h 50m

£160

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 25/5

19:40-12:10

2 stops15h 30m

£163

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Fri 16/5

01:37-18:59

1 stop16h 22m

£208

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 11 results
1
2

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

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

Currently, October is the cheapest month in which you can book a flight from San Francisco to San José, San José Province (average of £769). Flying from San Francisco to San José, San José Province in December is currently the most expensive (average of £1,101). 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 18 April 2025.

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

Rainfall in San José by month

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

In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 300.0 inches per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 mm.

Temperature in San José by month

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

If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated 18 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Copa Airlines from San Francisco to San José. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,887 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very Good
4,280 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Copa Airlines
7.6
Good
1,409 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,928 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines flying from San Francisco to San José, San José Province round-trip?

    According to our current data, Alaska Airlines (£347), Avianca (£347), and JetBlue (£382) offers the cheapest pricing from San Francisco to San José, San José Province. Users have found that Alaska Airlines is 21% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to San José, San José Province one-way?

    One-way options have recently been found by users for as low as £148 on JetBlue. Other airlines that offer cheap prices include Alaska Airlines from £160 and Southwest from £163 one-way.

  • 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, San José Province?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to San José, San José Province (average of £769). Flying from San Francisco to San José, San José Province in December is currently the most expensive (average of £1,101). 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 Francisco?

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

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Alternative routes for San Francisco to San José

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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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