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Cheap flights from San Francisco to San José from £125

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£286

One-way from

£125

Popular in

December

Cheapest in

September

Average price

£484
JetBlue
  • JetBlue
  • 18/8-27/8
  • 2 total stops
  • 25h 11m total
  • San Francisco to San José
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JetBlue
  • JetBlue
  • 6/9
  • 1 total stop
  • 12h 40m total
  • San Francisco to San José
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 June 2025.

Mon 18/821:25SFO - SJO
1 stop13h 30mJetBlue
Wed 27/812:55SJO - SFO
1 stop11h 41mJetBlue
Deal found 12/6£286
Wed 8/1009:25SFO - SJO
1 stop8h 35mAlaska Airlines
Thu 16/1006:30SJO - SFO
2 stops16h 36mAlaska Airlines
Deal found 12/6£288
Tue 16/917:25SFO - SJO
2 stops18h 20mSouthwest
Fri 26/908:50SJO - SFO
2 stops15h 30mSouthwest
Deal found 12/6£357
Mon 29/900:05SFO - SJO
1 stop12h 25mAvianca
Mon 15/1209:35SJO - SFO
1 stop14h 20mAvianca
Deal found 10/6£375
Sun 26/1001:45SFO - SJO
1 stop13h 52mCopa Airlines
Wed 5/1108:07SJO - SFO
1 stop17h 33mCopa Airlines
Deal found 13/6£378

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 13 June 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 18/8

21:25-11:55

1 stop13h 30m

San José Juan Santamaria Intl

Wed 27/8

12:55-23:36

1 stop11h 41m

£286

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Wed 8/10

09:25-19:00

1 stop8h 35m

San José Juan Santamaria Intl

Thu 16/10

06:30-22:06

2 stops16h 36m

£288

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 16/9

17:25-12:45

2 stops18h 20m

San José Juan Santamaria Intl

Fri 26/9

08:50-23:20

2 stops15h 30m

£357

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 29/9

00:05-13:30

1 stop12h 25m

San José Juan Santamaria Intl

Mon 15/12

09:35-21:55

1 stop14h 20m

£375

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 26/10

01:45-16:37

1 stop13h 52m

San José Juan Santamaria Intl

Wed 5/11

08:07-23:40

1 stop17h 33m

£378

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sat 6/9

22:15-11:55

1 stop12h 40m

£125

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 11/8

18:40-23:30

2 stops27h 50m

£132

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 9/9

07:50-18:55

2 stops10h 05m

£163

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 8/9

00:05-11:15

1 stop10h 10m

£182

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 10/8

01:28-18:59

1 stop16h 31m

£227

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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

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

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 9 June 2025.

The price you pay for your flight from San Francisco to San José, San José Province may vary depending on when you book. For the best chance of a lower fare, look to book 72 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, 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 13 June 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.

Weekly flight availability from San Francisco to San José, San José Province

Explore weekly flight availability from San Francisco to San José. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from SFO to SJO are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 13 June 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
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very Good
4,287 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,451 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,923 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, JetBlue (£286), Alaska Airlines (£288), and Southwest (£357) offers the cheapest pricing from San Francisco to San José, San José Province. Users have found that JetBlue is 35% 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 £125 on JetBlue. Other airlines that offer cheap prices include Alaska Airlines from £132 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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Los Angeles to San José flights

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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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