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San José

$298+ Cheap flights from London (LON) to San José (SJO)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 Monday or Tuesday and return on a Tuesday

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$681
(United Airlines)

One-way from

$298
(Norse)

Popular in

December

Cheapest in

September

Average price

$853
Provider with most accurate pricing for London (LON)-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-San José Juan Santamaria Intl flights.
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From London (LON) to San José Juan Santamaria Intl
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One-way flight from London (LON) to San José Juan Santamaria Intl
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Highest demand for flights based on searches. 7% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from London to San José

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 November 13, 2025.

This Norse deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:00 pmLGW - SJO
1 stop26h 19mMultiple Airlines
Thu 12/1112:39 pmSJO - LGW
1 stop15h 21mMultiple Airlines
Deal found 11/13$684
This Norse deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:00 pmLGW - SJO
1 stop26h 19mMultiple Airlines
Sat 12/612:39 pmSJO - LGW
1 stop15h 26mMultiple Airlines
Deal found 11/13$693
This Norse deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:00 pmLGW - SJO
1 stop27h 42mMultiple Airlines
Fri 12/1212:39 pmSJO - LGW
1 stop15h 21mMultiple Airlines
Deal found 11/13$747
This Norse deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:00 pmLGW - SJO
1 stop27h 42mMultiple Airlines
Sat 12/1312:39 pmSJO - LGW
1 stop15h 26mMultiple Airlines
Deal found 11/13$753
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:30 amLHR - SJO
2 stops18h 23mUnited Airlines
Fri 12/58:45 amSJO - LHR
2 stops19h 40mUnited Airlines
Deal found 11/11$760
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:30 amLHR - SJO
2 stops18h 23mUnited Airlines
Tue 12/162:20 pmSJO - LHR
2 stops35h 35mUnited Airlines
Deal found 11/11$773
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:00 pmLGW - SJO
1 stop27h 42mMultiple Airlines
Tue 12/912:39 pmSJO - LGW
2 stops35h 21mMultiple Airlines
Deal found 11/11$786
This Flightnetwork deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:25 pmLHR - SJO
1 stop15h 50mMultiple Airlines
Tue 12/168:40 pmSJO - LHR
1 stop14h 10mMultiple Airlines
Deal found 11/13$787
This United Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:25 amLHR - SJO
2 stops19h 14mUnited Airlines
Sat 12/138:45 amSJO - LHR
2 stops18h 25mUnited Airlines
Deal found 11/12$790
This United Airlines deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:30 amLHR - SJO
2 stops18h 23mUnited Airlines
Tue 12/162:20 pmSJO - LHR
2 stops33h 35mUnited Airlines
Deal found 11/13$792
This Flightnetwork deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:00 pmLHR - SJO
1 stop15h 55mMultiple Airlines
Tue 12/168:40 pmSJO - LHR
1 stop14h 10mMultiple Airlines
Deal found 11/13$794
This United Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:50 amLHR - SJO
2 stops19h 03mUnited Airlines
Sat 1/101:00 pmSJO - LHR
1 stop14h 10mUnited Airlines
Deal found 11/12$795

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 13, 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 1/16

10:00 am-8:39 pm

1 stop16h 39m

San José Juan Santamaria Intl

Mon 1/19

6:30 am-7:30 am

1 stop19h 00m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 1/17

4:20 pm-1:15 pm

2 stops26h 55m

San José Juan Santamaria Intl

Sat 1/31

6:30 am-6:20 am

2 stops17h 50m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 1/8

12:45 pm-12:56 pm

2 stops30h 11m

San José Juan Santamaria Intl

Mon 1/26

2:05 pm-11:15 am

1 stop15h 10m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 1/9

4:20 pm-12:56 pm

2 stops26h 36m

San José Juan Santamaria Intl

Sat 1/24

8:45 am-9:10 am

2 stops18h 25m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 1/8

3:10 pm-12:56 pm

2 stops27h 46m

San José Juan Santamaria Intl

Thu 1/22

6:30 am-5:55 am

2 stops17h 25m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 1/8

4:20 pm-12:56 pm

2 stops26h 36m

San José Juan Santamaria Intl

Fri 1/23

6:30 am-5:55 am

2 stops17h 25m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 1/12

1:45 pm-8:32 am

1 stop24h 47m

San José Juan Santamaria Intl

Sat 1/24

8:45 am-9:10 am

2 stops18h 25m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 1/11

3:10 pm-12:56 pm

2 stops27h 46m

San José Juan Santamaria Intl

Thu 1/22

6:30 am-5:55 am

2 stops17h 25m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 1/18

10:00 am-8:39 pm

1 stop16h 39m

San José Juan Santamaria Intl

Sun 2/1

6:30 am-7:30 am

1 stop19h 00m

$681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 1/8

4:20 pm-12:56 pm

2 stops26h 36m

San José Juan Santamaria Intl

Sat 1/24

8:45 am-11:15 am

2 stops20h 30m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 42 results
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Compare providers for flights from London to San José

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to San José in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London-San José flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-San José flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from London to San José. Price data was last updated on November 7, 2025.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $637). Flying from London to San José in July is currently the most expensive (average of $794). 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 November 13, 2025.

When flying from London 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 to fly round-trip from London to San José?

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

Share of 1-stop round-trip flights from London to San José chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 67% of 1-stop itineraries from London to San José on Cheapflights.

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

Average round-trip fare for 1-stop flights from London to San José, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of $984.

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

Shortest average travel time for 1-stop one-way flights from London to San José, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 15h 05m.

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

Average layover duration for 1-stop one-way flights from London to San José, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 23m.

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 November 13, 2025.
Read reviews from past customers who have flown KLM, United Airlines, and Air Canada from London to San José. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

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

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

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

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

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
10,448 reviews
KLM
7.7
Good
1,411 reviews

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

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
7,520 reviews
KLM
7.7
Good
1,411 reviews

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

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?

    Located just 8.8 mi from the city center, San José Juan Santamaria Intl is the airport most travelers will use when flying to San José from London. Booking flights from London to Juan Santamaria Intl (SJO) should be relatively easy as there are 0 daily inbound flights from London from 2 different airlines.

  • 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, British Airways, or SWISS to get the fastest option. London and San José are separated by a distance of 5420 mi. This flight may include one or multiple stops.

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

    Currently priced at $728, United Airlines will fly you from London to San José and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air Canada for as low as $754. You may be able to fly from London to San José for 18% less than the average price by searching for these airlines.

  • 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 vacation 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 $637). Flying from London to San José in July is currently the most expensive (average of $794). 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

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó
Dominical

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to San José

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to San José flights
Gatwick to San José flights

Top 2 airlines flying from London to San José

Discover the top 2 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 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$728Average$1,000FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$754Average$792FlexibilityNo cancel feeOn-time67%

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