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Cheap flights from London to San José from £226

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to San José Juan Santamaria Intl are usually found in September or October, booked 60 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from London to San José

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 14 November 2025.

Round-trip from

£518

One-way from

£226

Popular in

December

Cheapest in

September

Average price

£648

Good round-trip deal

£721 or less

Good one-way deal

£666 or less
United Airlines
  • United Airlines
  • 8/1-23/1
  • 4 total stops
  • 44h 01m total
  • London to San José
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17/1
  • 17/1
  • 1 total stop
  • 27h 37m total
  • London to San José
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£40 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to San José Juan Santamaria Intl.
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Price to beat on a one-way flight from London (LON) to San José Juan Santamaria Intl.
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Find flight deals from London to San José

Enter your travel dates to find the best prices.

Cheapest flights from London to San José
Explore the most affordable flight options available from London to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Thu 27/1114:00LGW - SJO
1 stop26h 19mMultiple Airlines
Thu 11/1212:39SJO - LGW
1 stop15h 21mMultiple Airlines
Deal found 13/11£520
Sun 23/1110:00LHR - SJO
1 stop16h 39mUnited Airlines
Tue 27/108:45SJO - LHR
2 stops17h 10mUnited Airlines
Deal found 13/11£521
Fri 21/1114:00LGW - SJO
1 stop26h 19mMultiple Airlines
Sat 6/1212:39SJO - LGW
1 stop15h 26mMultiple Airlines
Deal found 13/11£527
Wed 10/1211:10LHR - SJO
1 stop17h 45mMultiple Airlines
Tue 16/1220:40SJO - LHR
1 stop15h 05mMultiple Airlines
Deal found 13/11£536
Mon 1/1213:45LHR - SJO
2 stops39h 10mAir Canada
Mon 15/1208:50SJO - LHR
2 stops29h 45mAir Canada
Deal found 13/11£536
Tue 9/1211:20LGW - SJO
2 stops32h 36mAmerican Airlines
Sat 13/1206:00SJO - LGW
2 stops21h 00mAmerican Airlines
Deal found 11/11£538
Sun 7/1206:50LHR - SJO
2 stops22h 25mMultiple Airlines
Mon 22/1220:10SJO - LHR
2 stops15h 40mMultiple Airlines
Deal found 13/11£539
Thu 20/1114:00LGW - SJO
1 stop26h 19mMultiple Airlines
Wed 26/1113:20SJO - LGW
2 stops58h 40mMultiple Airlines
Deal found 11/11£539
Sat 29/1113:25LHR - SJO
1 stop15h 50mAir Canada
Fri 12/1208:35SJO - LHR
1 stop20h 45mAir Canada
Deal found 13/11£542
Tue 2/1220:00LTN - SJO
3 stops32h 55mMultiple Airlines
Tue 9/1208:35SJO - LTN
2 stops22h 45mMultiple Airlines
Deal found 12/11£543
Mon 8/1213:00LHR - SJO
1 stop15h 55mMultiple Airlines
Mon 22/1220:10SJO - LHR
2 stops15h 40mMultiple Airlines
Deal found 13/11£544
Tue 2/1206:15LGW - SJO
2 stops22h 40mMultiple Airlines
Tue 9/1208:35SJO - LGW
2 stops31h 00mMultiple Airlines
Deal found 12/11£552

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 14 November 2025.
Use the filters below to find and compare flights from London to San José that are best for you.

Fly from

London

Fly to

San José

Route

Depart

Return

Price

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 16/1

10:00-20:39

1 stop16h 39m

San José Juan Santamaria Intl

Mon 19/1

06:30-07:30

1 stop19h 00m

£518

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 17/1

16:20-13:15

2 stops26h 55m

San José Juan Santamaria Intl

Sat 31/1

06:30-06:20

2 stops17h 50m

£518

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 15/2

12:05-18:16

1 stop36h 11m

San José Juan Santamaria Intl

Thu 26/2

14:05-11:15

1 stop15h 10m

£518

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 11/3

08:00-18:53

1 stop16h 53m

San José Juan Santamaria Intl

Tue 7/4

11:13-11:35

1 stop17h 22m

£518

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 3/2

10:05-08:32

1 stop28h 27m

San José Juan Santamaria Intl

Wed 18/2

23:28-20:35

1 stop15h 07m

£518

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 14/1

07:40-12:56

1 stop35h 16m

San José Juan Santamaria Intl

Sat 24/1

08:45-07:30

1 stop16h 45m

£520

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 11/1

07:40-12:56

1 stop35h 16m

San José Juan Santamaria Intl

Mon 26/1

14:05-11:15

1 stop15h 10m

£520

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 1/2

10:00-20:39

1 stop16h 39m

San José Juan Santamaria Intl

Wed 18/2

23:28-20:35

1 stop15h 07m

£520

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 11/1

07:40-12:56

1 stop35h 16m

San José Juan Santamaria Intl

Tue 27/1

09:40-12:00

1 stop20h 20m

£520

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

Thu 12/3

18:40-14:50

1 stop26h 10m

San José Juan Santamaria Intl

Wed 25/3

15:50-17:50

2 stops20h 00m

£525

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 60 results
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Best time to book a flight from London to San José

Have a flexible travel schedule? Discover the best time to fly to San José from London 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 London to San José

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

Use this chart to determine the optimal time to book a return flight from London to San José. Price data was last updated on 7 November 2025.

The best time to book flights from London to San José is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from London to San José (average of £484). Flying from London to San José in July is currently the most expensive (average of £603). 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 LON to SJO?

Find hourly flight availability from London 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 14 November 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 26% on flights from London to San José by exploring options for tickets in the afternoon.

What is the cheapest day to fly from London to San José?

Use this chart to determine the cheapest time to fly return from London to San José. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to San José flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top stopover airport for flights from London to San José?

Share of one-stop return flights from London to San José chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Atlanta (ATL) – chosen by Cheapflights users on 25% of one-stop itineraries from London to San José on Cheapflights.

What’s the cheapest stopover airport for flights from London to San José?

Average return fare for one-stop flights from London to San José, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Mexico City (MEX) is the most affordable one-stop option, with an average return flight price of £457.

What’s the fastest stopover option from London to San José?

Shortest average travel time for one-stop one-way flights from London to San José, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 14h 28m.

Which airport typically offers the quickest stopover for flights from London to San José?

Average stopover duration for one-stop one-way flights from London to San José, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 1h 32m.

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 14 November 2025.
Read through reviews of airlines operating flights from London to San José, such as KLM, United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,017 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air Canada
7.1
Good
10,450 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,572 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,521 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from London 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 airport do you fly into for flights to San José from London?

    San José Juan Santamaria Intl (SJO) is the airport you will fly into if you book a flight from London to San José. You should not have trouble finding flights to Juan Santamaria Intl from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 14 airlines have flights to the San José airport from London. It is only a 8.8 mi journey from Juan Santamaria Intl (SJO) to San José’s city center.

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

    There are many flights that can get you from London to San José in 11h 40m. Fly via United Airlines, SWISS, or British Airways to get the fastest option. The distance between London and San José is about 5420 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London to San José round-trip?

    According to our current data, Icelandair (£456), JetBlue (£483), and Air Canada (£502) offers the cheapest pricing from London to San José. Icelandair is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from London to San José?

    The most popular route from London to San José is London Heathrow - San José Juan Santamaria Intl. You may also consider London Gatwick - San José Juan Santamaria Intl or London City - San José Juan Santamaria Intl.

  • Where are the most common stopover locations when flying from London to San José?

    London to San José flights have a stopover in Bogotá most often. Paris is the second most popular location for stopovers on flights from London to San José. Houston sees the third most stopovers on flights from London to San José.

  • What are some popular points of interest to see during a stopover in Paris?

    Most Paris visitors opt to spend their time at Eiffel Tower, Champs-Elysées, and Notre Dame. Travellers on a stopover in Paris can visit Eiffel Tower, Champs-Elysées, and Notre Dame, by travelling 15.8 mi, 14.7 mi, and 14.3 mi, respectively after landing at Paris Charles de Gaulle. Those landing in Paris looking to spend some time exploring during their stopover can hire a car for about £37 per day.

  • Where are the least popular stopover locations for London to San José flights?

    Of the flights from London to San José that have stopovers, the fewest flights stop in Newark. Atlanta sees the next fewest stopovers on London to San José flights. Toronto sees the third fewest flights with stopovers for the London to San José route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 London to San José?

    Currently, November is the cheapest month in which you can book a flight from London to San José (average of £484). Flying from London to San José in July is currently the most expensive (average of £603). 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

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Fly from London to San José on these airlines

Choose from the following airlines for your flight from London to San José. Flights are based on user searches made on Cheapflights and were last updated on 14 November 2025.
Air Canada flights from London to San José Juan Santamaria Intl
United Airlines flights from London to San José Juan Santamaria Intl
British Airways flights from London to San José Juan Santamaria Intl

Top 10 airlines flying from London to San José

Discover the top 10 airlines that operate flights from London to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£456Average£577FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£483Average£575FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£502Average£578FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£534Average£689FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£544Average£656FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£569Average£649FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
AviancaCheapest£572Average£634FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£577Average£649FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£593Average£688FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£608Average£875FlexibilityNo cancel feeOn-time77%
Search Iberia 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 London to San José?

Deals for London to San José flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to San José for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from London 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 London to San José become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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