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San José

$353+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This Air Canada deal was found by Cheapflights users on 12/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amLHR - SJO
2 stops23h 15mMultiple Airlines
Sat 1/108:50 amSJO - LHR
1 stop16h 20mMultiple Airlines
Deal found 12/27$912
This Air Canada deal was found by Cheapflights users on 12/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:00 pmLHR - SJO
1 stop15h 55mAir Canada
Sat 1/108:35 amSJO - LHR
1 stop20h 45mAir Canada
Deal found 12/27$950
This United Airlines deal was found by Cheapflights users on 12/27. 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 12/2810:00 amLHR - SJO
1 stop18h 32mUnited Airlines
Sat 1/106:30 amSJO - LHR
1 stop19h 00mUnited Airlines
Deal found 12/27$994
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Sat 12/271:35 pmLHR - SJO
2 stops37h 04mUnited Airlines
Sat 2/288:45 amSJO - LHR
1 stop16h 45mUnited Airlines
Deal found 12/27$995
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Sat 12/2710:00 amLHR - SJO
1 stop16h 39mUnited Airlines
Tue 1/66:30 amSJO - LHR
1 stop19h 00mUnited Airlines
Deal found 12/26$996
This United Airlines deal was found by Cheapflights users on 12/27. 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 12/317:40 amLHR - SJO
2 stops20h 52mUnited Airlines
Tue 1/62:20 pmSJO - LHR
2 stops33h 35mUnited Airlines
Deal found 12/27$998
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Sat 12/271:35 pmLHR - SJO
2 stops37h 04mUnited Airlines
Sat 1/106:30 amSJO - LHR
2 stops24h 20mUnited Airlines
Deal found 12/27$1,001
This Air Canada deal was found by Cheapflights users on 12/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:00 pmLHR - SJO
1 stop15h 55mAir Canada
Wed 1/78:50 amSJO - LHR
1 stop16h 20mAir Canada
Deal found 12/26$1,009
This Air Europa deal was found by Cheapflights users on 12/26. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:00 amLGW - SJO
2 stops17h 56mAir Europa
Wed 1/72:20 pmSJO - LGW
2 stops20h 05mAir Europa
Deal found 12/26$2,320
This Air Europa deal was found by Cheapflights users on 12/27. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:00 amLGW - SJO
2 stops17h 56mMultiple Airlines
Wed 1/72:20 pmSJO - LGW
2 stops20h 05mMultiple Airlines
Deal found 12/27$2,342
This Air Europa deal was found by Cheapflights users on 12/27. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:00 amLGW - SJO
2 stops28h 21mMultiple Airlines
Tue 1/62:54 pmSJO - LGW
2 stops36h 06mMultiple Airlines
Deal found 12/27$2,433
This British Airways deal was found by Cheapflights users on 12/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:00 amLGW - SJO
Nonstop11h 40mBritish Airways
Wed 1/286:15 pmSJO - LGW
1 stop18h 45mBritish Airways
Deal found 12/27$2,639

Find 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$716
(Norse)

One-way from

$353
(Norse)

Popular in

December

Cheapest in

September

Average price

$1,175
Provider with most accurate pricing for London (LON)-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-San José Juan Santamaria Intl flights.
Search Deals
From London (LON) to San José Juan Santamaria Intl
Search Deals
One-way flight from London (LON) to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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

Thu 5/28

6:30 am-4:20 pm

1 stop16h 50m

San José Juan Santamaria Intl

Mon 6/15

7:05 pm-6:35 pm

1 stop16h 30m

$796

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 5/28

10:05 pm-3:50 pm

1 stop24h 45m

San José Juan Santamaria Intl

Mon 6/15

1:55 am-3:35 pm

1 stop30h 40m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 2/21

10:25 am-6:25 am

2 stops26h 00m

San José Juan Santamaria Intl

Sat 3/7

6:40 am-1:30 pm

1 stop24h 50m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 5/29

10:05 pm-9:20 am

1 stop18h 15m

San José Juan Santamaria Intl

Wed 6/10

1:55 am-3:35 pm

1 stop30h 40m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 5/27

10:05 pm-11:30 pm

1 stop32h 25m

San José Juan Santamaria Intl

Mon 6/15

4:45 pm-3:35 pm

1 stop15h 50m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 5/31

10:05 pm-2:05 pm

1 stop23h 00m

San José Juan Santamaria Intl

Wed 6/17

4:45 pm-3:35 pm

1 stop15h 50m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 5/31

10:05 pm-2:05 pm

1 stop23h 00m

San José Juan Santamaria Intl

Sat 6/13

1:40 am-3:35 pm

1 stop30h 55m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 5/31

10:05 pm-11:30 pm

1 stop32h 25m

San José Juan Santamaria Intl

Sat 6/13

4:45 pm-3:35 pm

1 stop15h 50m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 5/27

10:05 pm-3:50 pm

1 stop24h 45m

San José Juan Santamaria Intl

Thu 6/11

4:45 pm-3:35 pm

1 stop15h 50m

$875

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 6/1

10:05 pm-9:20 am

1 stop18h 15m

San José Juan Santamaria Intl

Thu 6/11

6:10 am-3:35 pm

2 stops26h 25m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 43 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 December.
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 December 26, 2025.

Booking 67 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 $793). 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 December 28, 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.

How often are flights from London to San José delayed?

About 39% of weekly flights between London and San José have experienced delays in the past year, with the average delay time being 153 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Sunday 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 London to San José flights?

Over the last year, British Airways have had the lowest number of delays on this route, with just 39% of flights being delayed.

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 December 28, 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
1,436 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,436 reviews
KLM
7.7
Good
1,436 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,114 reviews
KLM
7.7
Good
1,436 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Air Canada
7.1
Good
10,562 reviews
KLM
7.7
Good
1,436 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 3 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 17h 30m. Fly via Avianca, Air Transat, or Air Europa 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. Search Cheapflights for deals from Air Canada and American Airlines - these airlines can fly you to your destination from $769 and $847, respectively. 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 $793). 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
Manuel Antonio
Alajuela
Monteverde
Jacó
Heredia
Dominical

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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 3 airlines flying from London to San José

Discover the top 3 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$728Average$1,000FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$769Average$870FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$847Average$1,128FlexibilityNo cancel feeOn-time71%

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