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$420+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
Jun 23 — Jun 301
Tue 6/23
Tue 6/30
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 May 24, 2026.

This KLM deal was found by Cheapflights users on 5/21. 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 6/61:25 pm
LIR
-
LHR
1 stop16h 50m
KLM
Wed 6/179:55 am
LHR
-
LIR
2 stops33h 05m
KLM
Deal found 5/21$823
This KLM deal was found by Cheapflights users on 5/21. 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 6/62:40 pm
LIR
-
LHR
1 stop15h 35m
KLM
Tue 6/1611:45 am
LHR
-
LIR
2 stops31h 15m
KLM
Deal found 5/21$824
This KLM deal was found by Cheapflights users on 5/19. 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.
Sun 5/241:20 pm
SJO
-
LHR
1 stop16h 55m
KLM
Sat 5/306:30 am
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 5/19$832
This KLM deal was found by Cheapflights users on 5/20. 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.
Sat 6/62:40 pm
SJO
-
LHR
1 stop15h 35m
KLM
Thu 6/116:30 am
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 5/20$833
This Air Canada deal was found by Cheapflights users on 5/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:50 am
SJO
-
LHR
1 stop15h 20m
Air Canada
Fri 11/206:50 am
LHR
-
SJO
2 stops22h 25m
Air Canada
Deal found 5/20$834
This KLM deal was found by Cheapflights users on 5/20. 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 9/141:25 pm
SJO
-
LHR
1 stop14h 55m
KLM
Wed 9/303:15 pm
LHR
-
SJO
1 stop27h 39m
KLM
Deal found 5/20$841
This KLM deal was found by Cheapflights users on 5/22. 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.
Thu 6/256:25 pm
SJO
-
LHR
1 stop30h 15m
KLM
Sat 7/43:15 pm
LHR
-
SJO
1 stop27h 39m
KLM
Deal found 5/22$843
This KLM deal was found by Cheapflights users on 5/20. 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 8/71:14 pm
SJO
-
LHR
1 stop17h 01m
KLM
Wed 8/267:15 pm
LHR
-
SJO
1 stop28h 05m
KLM
Deal found 5/20$845
This Air France deal was found by Cheapflights users on 5/22. 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.
Wed 5/271:20 pm
SJO
-
LGW
2 stops19h 40m
Air France
Thu 6/45:00 pm
LGW
-
SJO
1 stop31h 00m
Air France
Deal found 5/22$847
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:25 pm
SJO
-
LGW
1 stop19h 35m
Iberia
Sun 11/297:40 pm
LGW
-
SJO
1 stop26h 05m
Iberia
Deal found 5/22$853
This KLM deal was found by Cheapflights users on 5/20. 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 5/271:20 pm
SJO
-
LHR
1 stop16h 55m
Multiple Airlines
Thu 6/43:00 pm
LHR
-
SJO
1 stop33h 00m
Multiple Airlines
Deal found 5/20$854
This Air France deal was found by Cheapflights users on 5/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:25 pm
LIR
-
LHR
2 stops20h 10m
Multiple Airlines
Wed 6/179:55 am
LHR
-
LIR
2 stops33h 05m
Multiple Airlines
Deal found 5/21$857

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 May 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$823
(KLM)

One-way from

$420
(Norse)

Popular in

July

Cheapest in

February

Average price

$926
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. 15% potential increase in price ($165 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 May 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 May 24, 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

Sat 6/6

1:25 pm-11:20 am

1 stop14h 55m

London Heathrow

Tue 6/16

9:20 am-12:00 pm

1 stop33h 40m

$829

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 10/7

1:23 pm-1:15 pm

1 stop16h 52m

London Heathrow

Fri 10/16

3:15 pm-11:58 am

1 stop27h 43m

$841

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 10/5

1:25 pm-11:20 am

1 stop14h 55m

London Heathrow

Wed 10/28

3:50 pm-11:58 am

1 stop26h 08m

$841

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 7/22

1:16 pm-1:15 pm

1 stop16h 59m

London Heathrow

Wed 8/12

7:45 pm-5:00 pm

1 stop28h 15m

$900

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/19

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Sun 10/4

9:20 am-11:54 am

1 stop33h 34m

$931

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/19

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Fri 10/2

11:15 am-11:54 am

1 stop31h 39m

$931

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Thu 6/4

11:10 am-11:35 am

1 stop17h 25m

London Heathrow

Sun 6/7

10:00 am-12:10 pm

1 stop33h 10m

$1,006

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Wed 7/15

1:20 pm-8:40 pm

2 stops24h 20m

London Heathrow

Tue 7/21

7:45 am-10:44 am

1 stop33h 59m

$1,006

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Tue 7/14

3:27 pm-7:15 am

2 stops32h 48m

London Heathrow

Mon 7/20

4:40 pm-9:50 am

2 stops24h 10m

$1,006

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Sat 6/13

11:10 am-11:35 am

1 stop17h 25m

London Heathrow

Mon 6/15

7:45 am-10:44 am

1 stop33h 59m

$1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 57 resultsSorted by cheapest first
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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, 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 $1,260). 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 77 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 May 24, 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
1,521 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

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
1,521 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

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
7.4
Good
1,591 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

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
9,751 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

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
3,220 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

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
7,997 reviews
KLM
7.8
Good
1,521 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

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 France, or United Airlines 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 $1,260). 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
Dorking
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted
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

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 May 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$849FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$702Average$1,141FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$919FlexibilityNo cancel feeOn-time75%
IberiaCheapest$770Average$1,147FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$1,077Average$1,113FlexibilityNo cancel feeOn-time69%

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