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$406+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheapflights Tip: The best prices from San José Juan Santamaria Intl to London are usually found in February or October, booked 77 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 February 18, 2026.

This KLM deal was found by Cheapflights users on 2/15. 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 2/188:30 pm
SJO
-
LHR
1 stop14h 30m
Multiple Airlines
Thu 3/56:20 am
LHR
-
SJO
1 stop14h 40m
Multiple Airlines
Deal found 2/15$683
This KLM deal was found by Cheapflights users on 2/16. 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 2/168:30 pm
SJO
-
LHR
1 stop14h 30m
KLM
Tue 2/2410:00 am
LHR
-
SJO
1 stop14h 25m
KLM
Deal found 2/16$684
This KLM deal was found by Cheapflights users on 2/14. 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.
Tue 2/178:30 pm
SJO
-
LHR
1 stop18h 20m
Multiple Airlines
Sun 3/17:20 pm
LHR
-
SJO
1 stop25h 40m
Multiple Airlines
Deal found 2/14$687
This KLM deal was found by Cheapflights users on 2/16. 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.
Tue 2/242:25 pm
SJO
-
LHR
1 stop15h 15m
Multiple Airlines
Wed 3/46:20 am
LHR
-
SJO
1 stop17h 30m
Multiple Airlines
Deal found 2/16$688
This KLM deal was found by Cheapflights users on 2/16. 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 3/22:35 pm
SJO
-
LHR
1 stop15h 05m
KLM
Wed 3/116:30 am
LHR
-
SJO
1 stop17h 55m
KLM
Deal found 2/16$689
This KLM deal was found by Cheapflights users on 2/15. 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 2/197:00 am
SJO
-
LHR
1 stop17h 25m
Multiple Airlines
Thu 3/56:20 am
LHR
-
SJO
1 stop14h 40m
Multiple Airlines
Deal found 2/15$697
This KLM deal was found by Cheapflights users on 2/15. 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 2/287:00 am
SJO
-
LHR
1 stop17h 25m
Multiple Airlines
Sun 3/87:20 pm
LHR
-
SJO
1 stop25h 40m
Multiple Airlines
Deal found 2/15$701
This KLM deal was found by Cheapflights users on 2/15. 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.
Fri 2/207:00 am
SJO
-
LHR
1 stop17h 25m
Multiple Airlines
Thu 3/56:20 am
LHR
-
SJO
1 stop14h 40m
Multiple Airlines
Deal found 2/15$706
This KLM deal was found by Cheapflights users on 2/18. 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.
Sun 2/227:00 am
SJO
-
LHR
1 stop20h 00m
KLM
Tue 2/248:40 am
LHR
-
SJO
1 stop15h 45m
KLM
Deal found 2/18$707
This KLM deal was found by Cheapflights users on 2/17. 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 6/186:25 pm
SJO
-
LHR
1 stop19h 30m
Multiple Airlines
Mon 6/228:55 am
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Deal found 2/17$713
This Air France deal was found by Cheapflights users on 2/15. 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.
Mon 6/157:05 pm
SJO
-
LGW
1 stop13h 55m
Air France
Mon 6/2210:25 am
LGW
-
SJO
1 stop13h 35m
Air France
Deal found 2/15$713
This Air France deal was found by Cheapflights users on 2/15. 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.
Mon 6/157:05 pm
SJO
-
LHR
1 stop14h 30m
Air France
Mon 6/228:55 am
LHR
-
SJO
1 stop15h 05m
Air France
Deal found 2/15$714

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688
(KLM)

One-way from

$406
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$732

Good round-trip deal

$714 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. 11% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 18, 2026.
Use the filters below to find and compare flights from San José to London that are best for you.

Fly from

San José

Fly to

London

Route

Depart

Return

Price

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/3

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Tue 3/10

8:55 am-5:50 pm

1 stop14h 55m

$688

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/3

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Mon 3/9

6:20 am-3:00 pm

1 stop14h 40m

$688

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 3/2

2:35 pm-11:40 am

1 stop15h 05m

London Heathrow

Wed 3/11

6:30 am-6:25 pm

1 stop17h 55m

$689

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 4/21

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Sat 5/2

7:45 pm-5:10 pm

1 stop28h 25m

$729

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 4/21

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Wed 4/29

6:15 am-5:10 pm

1 stop17h 55m

$738

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/17

1:20 pm-11:40 am

1 stop16h 20m

London Heathrow

Tue 3/24

8:55 am-9:15 pm

1 stop18h 20m

$747

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 3/28

2:40 pm-12:15 pm

1 stop15h 35m

London Heathrow

Wed 4/8

9:20 am-9:15 pm

1 stop18h 55m

$768

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 4/25

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Sat 5/2

7:45 pm-5:10 pm

1 stop28h 25m

$776

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/3

7:00 am-9:00 am

1 stop20h 00m

London Heathrow

Mon 3/23

8:55 am-9:15 pm

1 stop18h 20m

$783

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 5/1

1:21 pm-6:25 am

1 stop34h 04m

London Heathrow

Fri 5/15

6:15 am-5:10 pm

1 stop17h 55m

$805

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 38 results
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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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice 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?

Use this chart to determine the optimal time to book a round-trip flight from San José to London. Price data was last updated on February 13, 2026.

The best time to book flights from San José to London is 77 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, October is the cheapest month in which you can book a flight from San José to London (average of $549). Flying from San José to London in August is currently the most expensive (average of $777). 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 SJO to LON?

Find hourly flight availability from San José to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 18, 2026.

When flying from San José to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from San José to London delayed?

About 23% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 211 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 23% 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 February 18, 2026.
Read reviews from past customers who have flown KLM, Air France, and Air Canada 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
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
7.7
Good
1,457 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
1,533 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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 Canada
7.1
Good
10,732 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
3,117 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
7,751 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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 10h 25m. The distance from San José to London is about 5420 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 Canada ($626), and Iberia ($682) offers the cheapest pricing from San José to London. British Airways is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, October is the cheapest month in which you can book a flight from San José to London (average of $549). Flying from San José to London in August is currently the most expensive (average of $777). 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?

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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
San José to Edinburgh 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$741FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$626Average$935FlexibilityNo cancel feeOn-time67%
IberiaCheapest$682Average$896FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$702Average$1,141FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$861FlexibilityNo cancel feeOn-time75%

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