London

$379+ Cheap flights from Costa Rica 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
May 21 — May 281
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Cheap flight deals from Costa Rica to London

Cheapest flights from Costa Rica to London
Explore the most affordable flight options available from Costa Rica to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.

This KLM deal was found by Cheapflights users on 4/20. 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 4/241:21 pm
SJO
-
LHR
1 stop14h 59m
Multiple Airlines
Sun 4/268:55 am
LHR
-
SJO
1 stop15h 30m
Multiple Airlines
Deal found 4/20$777
This Air France deal was found by Cheapflights users on 4/20. 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 stop16h 30m
Air France
Sat 6/136:15 am
LHR
-
SJO
1 stop17h 45m
Air France
Deal found 4/20$822
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:20 pm
SJO
-
LGW
1 stop16h 45m
Multiple Airlines
Thu 6/116:00 am
LGW
-
SJO
1 stop22h 20m
Multiple Airlines
Deal found 4/20$825
This KLM deal was found by Cheapflights users on 4/20. 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 6/37:15 pm
LHR
-
SJO
1 stop28h 05m
KLM
Deal found 4/20$834
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.
Mon 5/41:21 pm
SJO
-
LHR
1 stop14h 59m
KLM
Sat 5/166:30 am
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 4/21$835
This KLM deal was found by Cheapflights users on 4/20. 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 5/51:21 pm
SJO
-
LHR
1 stop16h 54m
KLM
Wed 6/38:55 pm
LHR
-
SJO
1 stop26h 25m
KLM
Deal found 4/20$838
This KLM deal was found by Cheapflights users on 4/18. 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.
Mon 5/41:21 pm
SJO
-
LHR
1 stop16h 54m
KLM
Wed 5/208:55 pm
LHR
-
SJO
1 stop26h 25m
KLM
Deal found 4/18$840
This KLM deal was found by Cheapflights users on 4/20. 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
Mon 5/46:15 am
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 4/20$844
This KLM deal was found by Cheapflights users on 4/20. 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
Thu 6/117:45 pm
LHR
-
SJO
1 stop28h 15m
Multiple Airlines
Deal found 4/20$847
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.
Tue 5/51:21 pm
SJO
-
LHR
1 stop16h 54m
Multiple Airlines
Tue 5/195:35 pm
LHR
-
SJO
1 stop30h 35m
Multiple Airlines
Deal found 4/21$848
This KLM deal was found by Cheapflights users on 4/19. 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 9/151:25 pm
LIR
-
LHR
1 stop14h 55m
KLM
Thu 9/249:20 am
LHR
-
LIR
1 stop33h 40m
KLM
Deal found 4/19$869
This KLM deal was found by Cheapflights users on 4/17. 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 5/141:25 pm
LIR
-
LHR
1 stop16h 50m
KLM
Fri 5/2211:15 am
LHR
-
LIR
1 stop31h 45m
KLM
Deal found 4/17$880

Find flight deals from Costa Rica to London

Keep the following information in mind while searching for Costa Rica to London flight deals. Data was last updated April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(Air France)

One-way from

$379
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$823
Provider with most accurate pricing for San José Juan Santamaria Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-London (LON) flights.
From Costa Rica to London (LON)
One-way flight from Costa Rica to London (LON)
Highest demand for flights based on searches. 14% potential increase in price ($142 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Costa Rica 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 21, 2026.
Use the filters below to find and compare flights from Costa Rica to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 5/4

1:21 pm-11:20 am

1 stop14h 59m

London Heathrow

Sat 5/16

8:55 am-5:10 pm

1 stop15h 15m

$836

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 5/5

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Wed 6/3

8:55 pm-4:20 pm

1 stop26h 25m

$844

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 4/24

1:21 pm-11:20 am

1 stop14h 59m

London Heathrow

Sun 5/3

8:55 pm-4:20 pm

1 stop26h 25m

$882

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Wed 9/16

1:25 pm-5:35 pm

2 stops21h 10m

London Heathrow

Tue 9/22

1:25 pm-12:00 pm

1 stop29h 35m

$902

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Wed 9/16

1:25 pm-4:15 pm

2 stops19h 50m

London Heathrow

Thu 9/24

1:25 pm-12:00 pm

1 stop29h 35m

$902

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Mon 5/4

1:25 pm-11:20 am

1 stop14h 55m

London Heathrow

Fri 5/15

1:25 pm-12:00 pm

1 stop29h 35m

$922

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 5/18

1:20 pm-11:20 am

1 stop15h 00m

London Heathrow

Fri 5/29

6:15 am-5:10 pm

1 stop17h 55m

$924

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Thu 6/4

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Thu 6/11

11:15 am-12:00 pm

1 stop31h 45m

$931

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Thu 5/7

1:25 pm-6:25 am

1 stop34h 00m

London Heathrow

Fri 5/22

9:20 am-1:15 pm

1 stop34h 55m

$958

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 6/5

1:20 pm-11:20 am

1 stop15h 00m

London Heathrow

Mon 6/15

7:15 pm-4:20 pm

1 stop28h 05m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from Costa Rica to London

Have a flexible travel schedule? Discover the best time to fly to London from Costa Rica 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 Costa Rica to London

What is the cheapest month to book a flight from Costa Rica to London?

Currently, September is the cheapest month in which you can book a flight from Costa Rica to London (average of $272). Flying from Costa Rica to London in December is currently the most expensive (average of $1,156). 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 often are flights from Costa Rica to London delayed?

About 21% of weekly flights between Costa Rica and London have experienced delays in the past year, with the average delay time being 191 minutes.

What is the most punctual flight time for Costa Rica 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?

Thursday 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 Costa Rica to London flights?

Over the last year, British Airways have had the lowest number of delays on this route, with just 21% 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 21, 2026.
See what other customers who have flown with KLM,Air France, andUnited Airlines from Costa Rica to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

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

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

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

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

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

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

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

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

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

Entertainment

7.1

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

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 Costa Rica to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Costa Rica to London?

    There are many flights that can get you from Costa Rica to London in 16h 54m. Fly via KLM, Air Europa, or British Airways to get the fastest option. The distance between Costa Rica and London is about 5407 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Costa Rica to London?

  • Can I find deals for flights from Costa Rica to London that include hotel bookings?

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

  • How can I find direct flights from Costa Rica to London?

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

  • Can I find deals for business class flights from Costa Rica to London?

    Yes. Cheapflights offers flight deals from Costa Rica 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 Costa Rica to London?

    Currently, September is the cheapest month in which you can book a flight from Costa Rica to London (average of $272). Flying from Costa Rica to London in December is currently the most expensive (average of $1,156). 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
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
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Orpington
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Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Costa Rica to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Costa Rica to London

Discover the top 5 airlines that operate flights from Costa Rica 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$849FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$702Average$1,147FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$909FlexibilityNo cancel feeOn-time75%
IberiaCheapest$762Average$1,025FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$935Average$995FlexibilityNo cancel feeOn-time67%

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