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$380+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
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 July 9, 2026.

This Air France deal was found by Cheapflights users on 7/6. 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 8/41:25 pm
LIR
-
LHR
1 stop16h 50m
Multiple Airlines
Fri 8/2111:45 am
LHR
-
LIR
2 stops31h 15m
Multiple Airlines
Deal found 7/6$822
This KLM deal was found by Cheapflights users on 7/5. 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 11/182:30 pm
SJO
-
LHR
1 stop15h 10m
KLM
Wed 12/210:45 am
LHR
-
SJO
1 stop17h 30m
KLM
Deal found 7/5$849
This Air France deal was found by Cheapflights users on 7/9. 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 10/57:05 pm
SJO
-
LGW
1 stop13h 55m
Air France
Wed 10/2810:00 am
LGW
-
SJO
2 stops17h 51m
Air France
Deal found 7/9$850
This KLM deal was found by Cheapflights users on 7/9. 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 11/182:30 pm
SJO
-
LHR
1 stop15h 10m
Multiple Airlines
Wed 12/26:20 am
LHR
-
SJO
1 stop15h 50m
Multiple Airlines
Deal found 7/9$852
This KLM deal was found by Cheapflights users on 7/6. 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 9/191:19 pm
SJO
-
LHR
1 stop15h 01m
Multiple Airlines
Fri 10/28:55 am
LHR
-
SJO
2 stops19h 53m
Multiple Airlines
Deal found 7/6$854
This Mytrip deal was found by Cheapflights users on 7/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:07 am
SJO
-
LGW
1 stop19h 53m
Multiple Airlines
Mon 8/315:00 pm
LGW
-
SJO
2 stops22h 45m
Multiple Airlines
Deal found 7/6$856
This KLM deal was found by Cheapflights users on 7/7. 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 11/147:00 am
SJO
-
LHR
2 stops18h 40m
KLM
Wed 12/28:55 am
LHR
-
SJO
1 stop19h 20m
KLM
Deal found 7/7$861
This British Airways deal was found by Cheapflights users on 7/9. 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.
Sat 10/316:55 pm
SJO
-
LHR
Nonstop10h 10m
British Airways
Tue 11/106:45 pm
LHR
-
SJO
1 stop27h 00m
British Airways
Deal found 7/9$863
This Air France deal was found by Cheapflights users on 7/7. 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 10/121:23 pm
SJO
-
LHR
1 stop14h 57m
Air France
Sat 10/317:20 pm
LHR
-
SJO
1 stop26h 50m
Air France
Deal found 7/7$864
This KLM deal was found by Cheapflights users on 7/5. 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 11/147:00 am
SJO
-
LHR
1 stop18h 50m
Multiple Airlines
Wed 12/26:20 am
LHR
-
SJO
2 stops17h 10m
Multiple Airlines
Deal found 7/5$865
This KLM deal was found by Cheapflights users on 7/7. 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 10/192:48 pm
SJO
-
LHR
2 stops16h 02m
KLM
Tue 10/276:30 am
LHR
-
SJO
1 stop17h 00m
KLM
Deal found 7/7$866
This KLM deal was found by Cheapflights users on 7/7. 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 11/62:23 pm
SJO
-
LHR
1 stop15h 17m
KLM
Sat 11/218:55 am
LHR
-
SJO
1 stop19h 20m
KLM
Deal found 7/7$868

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 July 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(Air France)

One-way from

$380
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,122
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. 14% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 9, 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

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Tue 8/4

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Fri 8/21

11:45 am-12:00 pm

2 stops31h 15m

$822

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 9/23

1:19 pm-1:15 pm

1 stop16h 56m

London Heathrow

Mon 10/12

11:30 am-9:48 pm

2 stops17h 18m

$854

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 10/11

1:23 pm-1:15 pm

1 stop16h 52m

London Heathrow

Thu 10/29

6:20 am-4:10 pm

1 stop15h 50m

$873

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 10/21

1:23 pm-1:15 pm

1 stop16h 52m

London Heathrow

Wed 11/4

6:30 am-5:30 pm

1 stop17h 00m

$902

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Wed 8/19

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Wed 8/26

9:55 am-12:00 pm

2 stops33h 05m

$948

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Tue 8/18

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Tue 8/25

9:55 am-12:00 pm

2 stops33h 05m

$989

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 10/12

7:05 pm-7:25 pm

2 stops17h 20m

London Heathrow

Tue 10/20

6:15 am-4:20 pm

2 stops17h 05m

$989

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 9/17

1:19 pm-1:15 pm

1 stop16h 56m

London Heathrow

Tue 9/29

8:55 am-9:48 pm

2 stops19h 53m

$991

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Tue 8/18

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Tue 8/25

9:20 am-12:00 pm

1 stop33h 40m

$994

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 10/5

1:19 pm-11:20 am

1 stop15h 01m

London Heathrow

Fri 10/23

8:55 am-5:00 pm

1 stop15h 05m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 48 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 $1,402). 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 17% of weekly flights between Costa Rica and London have experienced delays in the past year, with the average delay time being 189 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 17% of flights being delayed.

How far ahead should I book a flight from Costa Rica to London?

The best time to book flights from Costa Rica to London is 57 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.

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 July 9, 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.
KLM
7.8
Good
1,534 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,534 reviews
KLM
7.8
Good
1,534 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.5
Good
1,625 reviews
KLM
7.8
Good
1,534 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,955 reviews
KLM
7.8
Good
1,534 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Iberia
7.0
Good
3,252 reviews
KLM
7.8
Good
1,534 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,105 reviews
KLM
7.8
Good
1,534 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 13h 55m. Fly via KLM, Air Transat, or Air France 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, 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 $1,402). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Watford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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

Top 6 airlines flying from Costa Rica to London

Discover the top 6 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 July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$997FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$703Average$1,147FlexibilityNo cancel feeOn-time77%
IberiaCheapest$726Average$1,295FlexibilityNo cancel feeOn-time77%
KLMCheapest$742Average$932FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,020Average$1,098FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,077Average$1,113FlexibilityNo cancel feeOn-time69%

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