HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$403+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Costa Rica to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 22, 2026.

This KLM deal was found by Cheapflights users on 2/20. 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 2/267:00 am
SJO
-
LHR
1 stop17h 25m
Multiple Airlines
Thu 3/56:20 am
LHR
-
SJO
1 stop14h 40m
Multiple Airlines
Deal found 2/20$687
This KLM deal was found by Cheapflights users on 2/19. 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.
Mon 3/91:20 pm
SJO
-
LHR
1 stop16h 20m
Multiple Airlines
Tue 3/176:20 am
LHR
-
SJO
1 stop17h 30m
Multiple Airlines
Deal found 2/19$688
This KLM deal was found by Cheapflights users on 2/21. 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.
Sat 2/283:46 pm
SJO
-
LHR
1 stop13h 54m
Multiple Airlines
Sun 3/87:20 pm
LHR
-
SJO
1 stop25h 40m
Multiple Airlines
Deal found 2/21$699
This KLM deal was found by Cheapflights users on 2/19. 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.
Thu 6/186:25 pm
SJO
-
LHR
1 stop16h 10m
Multiple Airlines
Mon 6/226:15 am
LHR
-
SJO
1 stop17h 45m
Multiple Airlines
Deal found 2/19$701
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 2/18. 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.
Sat 5/92:30 pm
SJO
-
LHR
1 stop15h 45m
Multiple Airlines
Sat 5/306:15 am
LHR
-
SJO
1 stop17h 30m
Multiple Airlines
Deal found 2/18$713
This KLM deal was found by Cheapflights users on 2/21. 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 3/317:00 am
SJO
-
LHR
1 stop16h 25m
Multiple Airlines
Tue 4/286:15 am
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 2/21$714
This KLM deal was found by Cheapflights users on 2/19. 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.
Fri 5/11:21 pm
SJO
-
LHR
1 stop34h 04m
Multiple Airlines
Fri 5/156:15 am
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 2/19$715
This Orbitz deal was found by Cheapflights users on 2/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:15 pm
SJO
-
LGW
1 stop18h 45m
Iberia
Tue 3/177:40 pm
LGW
-
SJO
1 stop26h 55m
Iberia
Deal found 2/19$715
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.
Sat 5/92:30 pm
SJO
-
LHR
1 stop15h 45m
Multiple Airlines
Fri 6/56:15 am
LHR
-
SJO
1 stop17h 45m
Multiple Airlines
Deal found 2/18$716
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.
Fri 4/241:21 pm
SJO
-
LHR
1 stop16h 54m
Multiple Airlines
Fri 5/86:15 am
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 2/18$721
This KLM deal was found by Cheapflights users on 2/21. 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 stop16h 54m
Multiple Airlines
Sat 5/168:55 am
LHR
-
SJO
1 stop15h 15m
Multiple Airlines
Deal found 2/21$723

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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688
(KLM)

One-way from

$403
(Kiwi.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 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. 11% potential increase in price ($114 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 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 February 22, 2026.
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

Wed 3/18

2:05 pm-11:40 am

1 stop15h 35m

London Heathrow

Wed 3/25

3:50 pm-12:50 pm

1 stop27h 00m

$735

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 5/3

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Mon 5/18

6:15 am-4:20 pm

2 stops17h 05m

$736

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Thu 5/7

1:25 pm-11:20 am

1 stop14h 55m

London Heathrow

Fri 5/22

11:15 am-1:15 pm

1 stop33h 00m

$749

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 5/13

1:20 pm-6:25 am

1 stop34h 05m

London Heathrow

Wed 5/20

7:15 pm-4:20 pm

1 stop28h 05m

$761

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 4/22

1:21 pm-7:15 am

1 stop34h 54m

London Heathrow

Wed 5/13

6:15 am-5:10 pm

1 stop17h 55m

$769

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 4/6

1:20 pm-11:20 am

1 stop15h 00m

London Heathrow

Fri 4/24

3:15 pm-11:56 am

1 stop27h 41m

$772

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 3/28

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Wed 4/8

9:20 am-9:15 pm

1 stop18h 55m

$776

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Sun 3/22

1:05 pm-9:00 am

1 stop13h 55m

London Heathrow

Thu 4/9

1:25 pm-11:50 am

1 stop29h 25m

$801

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Sun 3/29

1:45 pm-1:05 pm

1 stop16h 20m

London Heathrow

Wed 4/8

3:15 pm-12:50 pm

1 stop28h 35m

$802

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

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 56 results
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from Costa Rica to London (average of $551). 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 February 22, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Costa Rica to London as you normally would.

How often are flights from Costa Rica to London delayed?

About 23% of weekly flights between Costa Rica 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 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?

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 Costa Rica 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 22, 2026.
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
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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

Overall

7.7

Crew

8.4

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
1,536 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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
10,736 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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
3,118 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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
7,757 reviews
KLM
7.7
Good
1,457 reviews

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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 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 15h 35m. Fly via KLM or Air Europa to get the fastest option. The distance between Costa Rica and London is about 5433 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, March is the cheapest month in which you can book a flight from Costa Rica to London (average of $551). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Eastbourne
Sutton
Slough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Philip S.W.Goldson to Heathrow flights
San José to Edinburgh 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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$741FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$702Average$1,056FlexibilityNo cancel feeOn-time77%
IberiaCheapest$727Average$1,018FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$861FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$935Average$991FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.