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$446+ Cheap flights from San José (SJO) to London (LON)

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
May 26 — Jun 21
Tue 5/26
Tue 6/2
1 adult, Economy
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Cheap flight deals from San José to London

Cheapest flights from San José to London
Explore the most affordable flight options available from San José to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 26, 2026.

This Air France deal was found by Cheapflights users on 4/26. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 pm
SJO
-
LHR
1 stop19h 10m
Air France
Wed 6/36:15 am
LHR
-
SJO
1 stop17h 45m
Air France
Deal found 4/26$821
This Air France deal was found by Cheapflights users on 4/23. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 pm
SJO
-
LHR
1 stop16h 20m
Multiple Airlines
Wed 6/38:55 pm
LHR
-
SJO
1 stop26h 25m
Multiple Airlines
Deal found 4/23$822
This KLM deal was found by Cheapflights users on 4/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:21 pm
SJO
-
LHR
1 stop16h 54m
KLM
Wed 6/37:15 pm
LHR
-
SJO
1 stop28h 05m
KLM
Deal found 4/24$833
This Air France deal was found by Cheapflights users on 4/26. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 pm
SJO
-
LGW
1 stop13h 45m
Air France
Tue 5/195:00 pm
LGW
-
SJO
1 stop31h 10m
Air France
Deal found 4/26$833
This Air France deal was found by Cheapflights users on 4/26. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 pm
SJO
-
LHR
1 stop14h 20m
Air France
Tue 5/197:45 pm
LHR
-
SJO
1 stop28h 25m
Air France
Deal found 4/26$834
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:21 pm
SJO
-
LHR
1 stop14h 59m
KLM
Wed 5/138:55 pm
LHR
-
SJO
1 stop26h 25m
KLM
Deal found 4/22$835
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:40 pm
SJO
-
LHR
1 stop15h 35m
Multiple Airlines
Sat 5/166:15 am
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 4/22$836
This Air France deal was found by Cheapflights users on 4/22. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:05 pm
SJO
-
LHR
1 stop19h 20m
Air France
Sat 6/138:55 am
LHR
-
SJO
1 stop15h 05m
Air France
Deal found 4/22$838
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:21 pm
SJO
-
LHR
1 stop16h 54m
KLM
Sat 5/96:30 am
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 4/23$843
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:21 pm
SJO
-
LHR
1 stop16h 54m
Multiple Airlines
Wed 4/296:15 am
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 4/21$844
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:19 pm
SJO
-
LHR
1 stop16h 56m
Multiple Airlines
Thu 6/115:35 pm
LHR
-
SJO
1 stop30h 25m
Multiple Airlines
Deal found 4/23$848
This KLM deal was found by Cheapflights users on 4/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:20 pm
SJO
-
LHR
1 stop34h 05m
Multiple Airlines
Sun 6/78:55 am
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Deal found 4/25$853

Find flight deals from San José to London

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to London (LON). 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 April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(Air France)

One-way from

$446
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$826

Good round-trip deal

$1,238 or less
Provider with most accurate pricing for San José Juan Santamaria Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-London (LON) flights.
Search Deals
From San José Juan Santamaria Intl to London (LON)
Search Deals
One-way flight from San José Juan Santamaria Intl to London (LON)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from San José Juan Santamaria Intl to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to London 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 April 26, 2026.
Use the filters below to find and compare flights from San José to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/19

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Sun 10/4

1:25 pm-11:54 am

1 stop29h 29m

$933

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/19

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Fri 10/2

11:15 am-11:54 am

1 stop31h 39m

$933

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/19

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Sun 10/11

3:15 pm-11:58 am

1 stop27h 43m

$934

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 6/2

6:25 pm-10:45 am

1 stop33h 20m

London Heathrow

Thu 6/11

3:00 pm-5:00 pm

1 stop33h 00m

$1,002

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 6/3

8:45 am-11:10 am

1 stop19h 25m

London Heathrow

Tue 6/16

1:00 pm-7:15 am

1 stop25h 15m

$1,024

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 10/5

1:25 pm-9:25 pm

2 stops25h 00m

London Heathrow

Wed 10/28

4:00 pm-11:42 am

1 stop25h 42m

$1,028

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 9/16

1:25 pm-11:35 am

1 stop15h 10m

London Heathrow

Mon 9/21

4:40 pm-12:21 pm

2 stops26h 41m

$1,028

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 7/14

12:30 am-10:40 am

2 stops27h 10m

London Heathrow

Thu 7/30

8:00 am-10:11 am

2 stops33h 11m

$1,033

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 6/2

6:25 pm-5:35 pm

1 stop16h 10m

London Heathrow

Sat 6/13

6:15 am-5:00 pm

1 stop17h 45m

$1,052

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 8/24

8:45 am-11:10 am

1 stop19h 25m

London Heathrow

Sat 9/5

12:15 pm-11:38 am

2 stops30h 23m

$1,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 43 resultsSorted by cheapest first
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Compare providers for flights from San José to London

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 San José to London in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*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 San José-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-London flights, Cheapflights users trust FlightHub the most. FlightHub 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 San José-London 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 San José to London

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

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

The best time to book flights from San José to London is 76 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 San José to London?

Currently, September is the cheapest month in which you can book a flight from San José to London (average of $272). Flying from San José to London in December is currently the most expensive (average of $1,163). 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.

How much does it cost to fly round-trip from San José to London?

How often are flights from San José to London delayed?

About 18% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 203 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the evening 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 Saturday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, British Airways have had the lowest number of delays on this route, with just 18% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated April 26, 2026.
Read reviews from past customers who have flown KLM,Air France, andUnited Airlines from San José to London. 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
7.8
Good
1,508 reviews

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,508 reviews
KLM
7.8
Good
1,508 reviews

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,579 reviews
KLM
7.8
Good
1,508 reviews

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,664 reviews
KLM
7.8
Good
1,508 reviews

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Iberia
7.0
Good
3,199 reviews
KLM
7.8
Good
1,508 reviews

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,917 reviews
KLM
7.8
Good
1,508 reviews

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from San José to London. 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 from for flights from San José to London?

    Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to London. On average, Juan Santamaria Intl has 0 outbound flights to London per day from 5 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

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

    Departing from San José to London will take you 16h 50m. The distance from San José to London is about 5407 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, British Airways ($592), Air France ($702), and Iberia ($726) offers the cheapest pricing from San José to London. British Airways is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from San José to London?

    On average you can expect to pay $1,238 for a flight from San José to London. The cheapest flight overall is $982 while the most popular route, (San José Juan Santamaria Intl - London Heathrow) is currently priced at $822.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San José to London (average of $272). Flying from San José to London in December is currently the most expensive (average of $1,163). 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 London?

Book flights to London if you plan to visit one of these locations
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Harrow
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Alternative routes for San José to London

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

Top 5 airlines flying from San José to London

Discover the top 5 airlines that operate flights from San José to London. 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 April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$849FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$702Average$1,147FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$885FlexibilityNo cancel feeOn-time75%
IberiaCheapest$762Average$1,025FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$935Average$995FlexibilityNo cancel feeOn-time67%

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