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$262+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 81 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$681
(Kiwi.com)

One-way from

$262
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$747

Good round-trip deal

$744 or less

Good one-way deal

$623 or less
Provider with most accurate pricing for San José Juan Santamaria Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-London (LON) flights.
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From San José Juan Santamaria Intl to London (LON)
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One-way flight from San José Juan Santamaria Intl to London (LON)
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Highest demand for flights based on searches. 13% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from San José Juan Santamaria Intl to London (LON).
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Price to beat on a one-way flight from San José Juan Santamaria Intl to London (LON).
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Find 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 November 26, 2025.

This KLM deal was found by Cheapflights users on 11/24. 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.
Sat 12/137:00 amSJO - LHR
1 stop17h 25mKLM
Sat 1/178:55 amLHR - SJO
1 stop19h 20mKLM
Deal found 11/24$746
This KLM deal was found by Cheapflights users on 11/24. 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.
Sat 11/297:00 amSJO - LHR
1 stop18h 50mKLM
Thu 12/1112:30 pmLHR - SJO
1 stop15h 50mKLM
Deal found 11/24$747
This KLM deal was found by Cheapflights users on 11/24. 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.
Thu 11/272:31 pmSJO - LHR
1 stop15h 09mKLM
Mon 12/812:30 pmLHR - SJO
1 stop15h 50mKLM
Deal found 11/24$751
This KLM deal was found by Cheapflights users on 11/25. 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.
Mon 12/18:30 pmSJO - LHR
1 stop13h 35mKLM
Sun 12/712:30 pmLHR - SJO
1 stop15h 50mKLM
Deal found 11/25$755
This KLM deal was found by Cheapflights users on 11/24. 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.
Tue 11/252:31 pmSJO - LHR
1 stop15h 09mKLM
Wed 4/81:05 pmLHR - SJO
1 stop15h 10mKLM
Deal found 11/24$762
This British Airways deal was found by Cheapflights users on 11/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:30 pmSJO - LGW
Nonstop10h 25mBritish Airways
Tue 12/911:00 amLGW - SJO
Nonstop11h 40mBritish Airways
Deal found 11/24$775
This KLM deal was found by Cheapflights users on 11/24. 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.
Thu 12/42:31 pmSJO - LHR
1 stop15h 09mKLM
Mon 12/86:30 amLHR - SJO
2 stops21h 50mKLM
Deal found 11/24$802
This KLM deal was found by Cheapflights users on 11/24. 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.
Tue 12/97:00 amSJO - LHR
1 stop17h 25mKLM
Thu 12/258:55 amLHR - SJO
1 stop19h 00mKLM
Deal found 11/24$827
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:39 pmSJO - LGW
1 stop15h 21mMultiple Airlines
Thu 1/82:00 pmLGW - SJO
1 stop27h 37mMultiple Airlines
Deal found 11/25$992
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:31 pmSJO - LGW
2 stops38h 29mMultiple Airlines
Thu 1/82:00 pmLGW - SJO
1 stop27h 37mMultiple Airlines
Deal found 11/25$1,050
This British Airways deal was found by Cheapflights users on 11/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:15 pmSJO - LGW
1 stop18h 45mBritish Airways
Thu 1/111:00 amLGW - SJO
Nonstop11h 40mBritish Airways
Deal found 11/25$1,052
This British Airways deal was found by Cheapflights users on 11/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:15 pmSJO - LGW
1 stop18h 45mBritish Airways
Tue 12/3011:00 amLGW - SJO
Nonstop11h 40mBritish Airways
Deal found 11/25$1,124

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 November 26, 2025.
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 - LGW

SJOLGW

San José Juan Santamaria Intl

Thu 2/5

6:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Thu 2/19

11:00 am-4:40 pm

Nonstop11h 40m

$684

San JoséLondon

SJO - LGW

SJOLGW

San José Juan Santamaria Intl

Tue 2/10

6:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Tue 2/24

11:00 am-4:40 pm

Nonstop11h 40m

$726

San JoséLondon

SJO - LGW

SJOLGW

San José Juan Santamaria Intl

Tue 2/10

6:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Thu 2/19

11:00 am-4:40 pm

Nonstop11h 40m

$727

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 2/13

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Fri 2/27

9:00 am-5:50 pm

1 stop14h 50m

$744

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 1/18

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Fri 1/30

10:45 am-10:15 pm

1 stop17h 30m

$746

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 1/12

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Wed 1/28

10:45 am-10:15 pm

1 stop17h 30m

$746

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 11/29

7:00 am-7:50 am

1 stop18h 50m

London Heathrow

Thu 12/11

3:50 pm-1:06 pm

1 stop27h 16m

$747

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 1/22

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Thu 1/29

8:55 am-10:15 pm

1 stop19h 20m

$750

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 12/2

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Sat 12/6

8:55 am-10:20 pm

1 stop19h 25m

$751

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 1/17

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Sat 1/31

12:30 pm-10:15 pm

1 stop15h 45m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 37 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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-London flight deals on Cheapflights vs. eDreams >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 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 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 November 21, 2025.

The best time to book flights from San José to London is 81 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 May is currently the most expensive (average of $784). 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 November 26, 2025.

When flying from San José to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 33% versus a flight in the evening.

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

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

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

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

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

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

Miami (MIA) – chosen by Cheapflights users on 50% of 1-stop itineraries from San José to London on Cheapflights.

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

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

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $781.

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

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

Flights via Miami (MIA) have the shortest average one-way travel time for 1-stop routes: 13h 59m.

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

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

Flights via Miami (MIA) offer the fastest connection on this route, with an average layover time of 2h 37m.

How often are flights from San José to London delayed?

About 38% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 190 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?

Saturday 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 San José to London flights?

Over the last year, British Airways have had the lowest number of delays on this route, with just 38% 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 November 26, 2025.
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
1,422 reviews

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

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
1,422 reviews
KLM
7.7
Good
1,422 reviews

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

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 France
7.4
Good
1,497 reviews
KLM
7.7
Good
1,422 reviews

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

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
10,476 reviews
KLM
7.7
Good
1,422 reviews

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

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.
Iberia
7.0
Good
3,034 reviews
KLM
7.7
Good
1,422 reviews

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

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
7,539 reviews
KLM
7.7
Good
1,422 reviews

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

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 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 ($633), and Iberia ($682) offers the cheapest pricing from San José to London. British Airways is 30% 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 May is currently the most expensive (average of $784). 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

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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$714FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$633Average$732FlexibilityNo cancel feeOn-time67%
IberiaCheapest$682Average$891FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$683Average$1,017FlexibilityNo cancel feeOn-time77%
KLMCheapest$714Average$796FlexibilityNo cancel feeOn-time75%

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