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$363+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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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 December 23, 2025.

This British Airways deal was found by Cheapflights users on 12/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 pmSJO - LHR
1 stop18h 00mBritish Airways
Sun 12/287:40 pmLHR - SJO
1 stop27h 10mBritish Airways
Deal found 12/22$838
This Iberia deal was found by Cheapflights users on 12/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 pmSJO - LHR
1 stop19h 10mMultiple Airlines
Wed 12/316:15 amLHR - SJO
1 stop16h 35mMultiple Airlines
Deal found 12/22$869
This KLM deal was found by Cheapflights users on 12/22. 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.
Wed 12/317:00 amSJO - LHR
1 stop18h 50mKLM
Tue 1/1310:45 amLHR - SJO
1 stop17h 30mKLM
Deal found 12/22$877
This KLM deal was found by Cheapflights users on 12/23. 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.
Sat 12/273:55 pmSJO - LHR
1 stop13h 45mKLM
Thu 1/810:45 amLHR - SJO
1 stop17h 30mKLM
Deal found 12/23$881
This KLM deal was found by Cheapflights users on 12/23. 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.
Tue 12/308:30 pmSJO - LHR
1 stop16h 45mKLM
Tue 1/1312:30 pmLHR - SJO
1 stop15h 45mKLM
Deal found 12/23$885
This Air France deal was found by Cheapflights users on 12/22. 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.
Tue 12/308:05 pmSJO - LHR
1 stop19h 20mMultiple Airlines
Wed 1/1412:30 pmLHR - SJO
1 stop15h 45mMultiple Airlines
Deal found 12/22$886
This KLM deal was found by Cheapflights users on 12/22. 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 12/298:30 pmSJO - LHR
1 stop16h 45mKLM
Wed 1/1412:30 pmLHR - SJO
1 stop15h 45mKLM
Deal found 12/22$899
This Air France deal was found by Cheapflights users on 12/23. 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.
Wed 12/318:05 pmSJO - LHR
1 stop16h 15mMultiple Airlines
Tue 1/1312:30 pmLHR - SJO
1 stop15h 45mMultiple Airlines
Deal found 12/23$901
This KLM deal was found by Cheapflights users on 12/22. 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 12/277:00 amSJO - LHR
1 stop18h 50mKLM
Sat 1/108:55 amLHR - SJO
1 stop19h 20mKLM
Deal found 12/22$914
This KLM deal was found by Cheapflights users on 12/23. 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 12/298:30 pmSJO - LHR
1 stop13h 35mKLM
Mon 1/1212:30 pmLHR - SJO
1 stop15h 45mKLM
Deal found 12/23$923
This British Airways deal was found by Cheapflights users on 12/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:15 pmSJO - LGW
1 stop34h 35mBritish Airways
Thu 1/1511:00 amLGW - SJO
Nonstop11h 40mBritish Airways
Deal found 12/23$995
This Travelocity deal was found by Cheapflights users on 12/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 pmSJO - LGW
1 stop18h 45mIberia
Mon 1/127:40 pmLGW - SJO
2 stops30h 04mIberia
Deal found 12/23$1,119

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$712
(Kiwi.com)

One-way from

$363
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$919

Good round-trip deal

$764 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 Costa Rica to London (LON)
Search Deals
One-way flight from Costa Rica to London (LON)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($128 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 December 2025
Search Deals
Price to beat on a round-trip flight from Costa Rica to London (LON).
Search Deals

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 December 23, 2025.
Use the filters below to find and compare flights from Costa Rica to London that are best for you.

Fly from

Costa Rica

Fly to

London

Route

Depart

Return

Price

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Mon 2/2

3:05 pm-9:00 am

1 stop35h 55m

London Heathrow

Mon 2/9

11:45 am-12:50 pm

2 stops31h 05m

$744

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 5/1

1:25 pm-6:45 am

1 stop34h 20m

London Heathrow

Fri 5/15

6:15 am-5:10 pm

1 stop17h 55m

$748

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Mon 1/19

3:05 pm-6:25 am

1 stop33h 20m

London Heathrow

Mon 1/26

10:45 am-12:50 pm

1 stop32h 05m

$749

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 4/6

1:20 pm-11:10 am

1 stop14h 50m

London Heathrow

Fri 4/24

6:15 am-4:55 pm

1 stop17h 40m

$749

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Mon 1/26

2:05 pm-7:50 am

1 stop35h 45m

London Heathrow

Mon 2/2

10:45 am-12:50 pm

1 stop32h 05m

$749

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 4/25

1:25 pm-1:30 pm

1 stop17h 05m

London Heathrow

Sat 5/9

8:55 am-5:00 pm

1 stop15h 05m

$749

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 2/5

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Thu 2/19

12:30 pm-10:02 pm

1 stop15h 32m

$750

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 1/21

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Wed 1/28

12:30 pm-10:15 pm

1 stop15h 45m

$750

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 2/10

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Sat 2/21

12:30 pm-10:02 pm

1 stop15h 32m

$750

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 1/31

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Wed 2/4

12:30 pm-10:15 pm

1 stop15h 45m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 46 results
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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, October is the cheapest month in which you can book a flight from Costa Rica to London (average of $549). Flying from Costa Rica 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 CR to LON?

Find hourly flight availability from Costa Rica 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 December 23, 2025.

It’s typically best to fly out from Costa Rica to London at noon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Costa Rica to London?

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

Travelers seeking maximum savings on their Costa Rica to London flight should consider departing on Friday evenings 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 often are flights from Costa Rica to London delayed?

About 37% of weekly flights between Costa Rica and London have experienced delays in the past year, with the average delay time being 187 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?

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 Costa Rica to London flights?

Over the last year, British Airways have had the lowest number of delays on this route, with just 37% 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 December 23, 2025.
See what other customers who have flown with KLM, Air France, and Air Canada 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.
KLM
7.7
Good
1,434 reviews

Overall

7.7

Boarding

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

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
1,434 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Boarding

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Air France
7.4
Good
1,513 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Boarding

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

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
10,554 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Boarding

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Iberia
7.0
Good
3,057 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Boarding

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,609 reviews
KLM
7.7
Good
1,434 reviews

Overall

7.7

Boarding

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.3

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 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 10h 25m. Fly via KLM or British Airways to get the fastest option. The distance between Costa Rica and London is about 5420 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?

    The most popular route from Costa Rica to London is San José Juan Santamaria Intl - London Heathrow. You may also consider San José Juan Santamaria Intl - London Gatwick or Liberia - London Heathrow.

  • 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, October is the cheapest month in which you can book a flight from Costa Rica to London (average of $549). Flying from Costa Rica 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?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone
Eastbourne
Sutton

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.
San José to Heathrow flights
San José to Gatwick flights
Panama City to Heathrow flights
Guatemala City to Heathrow flights
San José to Edinburgh flights
Philip S.W.Goldson to Heathrow flights

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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$714FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$626Average$815FlexibilityNo cancel feeOn-time67%
IberiaCheapest$682Average$895FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$683Average$1,045FlexibilityNo cancel feeOn-time77%
KLMCheapest$714Average$848FlexibilityNo cancel feeOn-time75%

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