What is the most punctual flight time for San Francisco to San José flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How often are flights from San Francisco to San José delayed?

About 12% of weekly flights between San Francisco and San José have experienced delays in the past year, with the average delay time being 97 minutes.

Which airline has the best punctuality record on San Francisco to San José flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

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

Airlines like Southwest, Alaska Airlines, and United Airlines fly from San Francisco to San José in about 8h 40m. The time it takes to get you to your destination can typically vary by up to 3h 35m. Airlines will cover a distance of 3039 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in San José 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 when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San José, 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).

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.

£168+ Cheap Flights from San Francisco to San José

Cheap flight deals from San Francisco to San José

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

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One-way

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 10 September 2026.

Mon 28/917:05 -

2 stops18h 40m

Mon 5/1013:30 -

2 stops12h 15m

Deal found 7/9£528

Thu 12/1119:20 -

1 stop25h 45m

Tue 17/1101:46 -

1 stop19h 24m

Deal found 7/9£530

Fri 6/1123:15 -

1 stop10h 10m

Mon 16/1109:40 -

Nonstop7h 02m

Deal found 6/9£531

Wed 9/1223:59 -

1 stop20h 18m

Thu 24/1208:30 -

1 stop9h 48m

Deal found 7/9£534

Tue 13/1019:11 -

2 stops47h 19m

Thu 5/1101:46 -

1 stop10h 42m

Deal found 7/9£535

Fri 16/1008:47 -

1 stop9h 43m

Fri 6/1101:46 -

2 stops18h 15m

Deal found 7/9£536

Wed 9/1206:00 -

1 stop14h 17m

Tue 19/114:10 -

2 stops22h 30m

Deal found 9/9£538

Fri 11/1200:45 -

1 stop10h 37m

Fri 25/1209:40 -

Nonstop7h 02m

Deal found 7/9£541

Wed 23/915:45 -

2 stops20h 00m

Tue 29/909:00 -

2 stops13h 10m

Deal found 6/9£543

Sat 17/1016:51 -

1 stop25h 39m

Fri 6/1101:46 -

2 stops21h 01m

Deal found 7/9£544

Wed 21/1023:35 -

Nonstop6h 40m

Wed 28/1008:40 -

Nonstop7h 02m

Deal found 7/9£546

Find flight deals from San Francisco to San José

Round-trip from	£528
One-way from	£168
Popular in	December
Cheapest in	February
Average price	£581

Southwest
28/9-5/10
4 total stops
30h 55m total
San Francisco to San José

Search Deals

Southwest
25/2-31/12
2 total stops
14h 35m total
San Francisco to San José

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Mon 9/11

20:50-12:20

2 stops13h 30m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£168

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Fri 26/2

21:10-11:30

2 stops12h 20m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£208

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Mon 9/11

23:25-13:59

1 stop12h 34m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£211

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Sat 27/2

16:25-13:45

2 stops19h 20m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£212

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Sun 15/11

23:25-13:59

1 stop12h 34m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£223

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Thu 25/2

11:00-23:57

1 stop10h 57m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£247

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Mon 28/12

10:15-00:44

1 stop12h 29m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£260

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Sat 31/10

08:47-20:31

1 stop10h 44m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£267

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Tue 6/10

17:45-19:30

2 stops48h 45m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£354

Fastest return journey

San FranciscoSan José

SFO San Francisco - SJO San José Juan Santamaria Intl

SFOSJO

San Francisco

Sun 11/10

23:35-07:15

Nonstop6h 40m

San José Juan Santamaria Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£508

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 22 resultsSorted by cheapest first

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.

SFO-SJO

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

Prices

Delays

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 59 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, February is the cheapest month in which you can book a flight from San Francisco to San José (average of £422). Flying from San Francisco to San José in December is currently the most expensive (average of £686). 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?

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?

Airfare is typical for this route at the moment.

San Francisco to San José flights typically cost between £504 and £663 in September.
The cheapest return price found within the last 5 days was £528 on Southwest (28 Sept–5 Oct).

Related info for your journey

How long is the flight from San Francisco to San José?
Airlines like Southwest, Alaska Airlines, and United Airlines fly from San Francisco to San José in about 8h 40m. The time it takes to get you to your destination can typically vary by up to 3h 35m. 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, February is the cheapest month in which you can book a flight from San Francisco to San José (average of £422). Flying from San Francisco to San José in December is currently the most expensive (average of £686). 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

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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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Cheap flights from San Francisco to San José from £168

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to San José

Cheapest flights from San Francisco to San JoséExplore 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 10 September 2026.

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 10 September 2026.

Best flights from San Francisco to San JoséDiscover carefully curated flight deals from San Francisco to San José that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from San Francisco to San José that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from San Francisco to San JoséExplore direct flight options from San Francisco to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Explore direct flight options from San Francisco to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from San Francisco to San JoséDiscover last-minute flight deals from San Francisco to San José. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to San José. Data last updated 10 September 2026 and is based on user searches.

One-way flights from San Francisco to San JoséSearch for one-way flight options from San Francisco to San José. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from San Francisco to San José. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from San Francisco to San José

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Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to San José that are best for you.

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.

Cheapflights Insights

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 59 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?

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

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?

Airfare is typical for this route at the moment.

San Francisco to San José flights typically cost between £504 and £663 in September.The cheapest return price found within the last 5 days was £528 on Southwest (28 Sept–5 Oct).

How often are flights from San Francisco to San José delayed?

About 12% of weekly flights between San Francisco and San José have experienced delays in the past year, with the average delay time being 97 minutes.

What is the most punctual flight time for San Francisco to San José flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to San José flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

Related info for your journey

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to San José

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Complete your trip

Complete your trip to San José by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Costa Rica

Book a non-stop flight to one of these other cities located in Costa Rica.

Search flights from San Francisco to San José by cabin class

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San Francisco and San José flights

Browse other San Francisco and San José flight options. Last updated on 10 September 2026.

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

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

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

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

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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 10 September 2026.

Best flights from San Francisco to San José
Discover carefully curated flight deals from San Francisco to San José that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from San Francisco to San José
Explore direct flight options from San Francisco to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from San Francisco to San José
Discover last-minute flight deals from San Francisco to San José. Data last updated 10 September 2026 and is based on user searches.

One-way flights from San Francisco to San José
Search for one-way flight options from San Francisco to San José. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

San Francisco to San José flights typically cost between £504 and £663 in September.
The cheapest return price found within the last 5 days was £528 on Southwest (28 Sept–5 Oct).