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Cheap flights from Costa Rica to London from £284

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
8 Aug — 15 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Costa Rica to London

Enter your travel dates to find the best prices.

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 9 July 2026.

Tue 4/813:25
LIR
-
LHR
1 stop16h 50m
Multiple Airlines
Fri 21/811:45
LHR
-
LIR
2 stops31h 15m
Multiple Airlines
Deal found 6/7£615
Mon 5/1019:05
SJO
-
LCY
2 stops17h 40m
KLM
Wed 28/1007:45
LCY
-
SJO
1 stop15h 45m
KLM
Deal found 6/7£635
Wed 18/1114:30
SJO
-
LHR
1 stop15h 10m
KLM
Wed 2/1210:45
LHR
-
SJO
1 stop17h 30m
KLM
Deal found 5/7£635
Tue 17/1121:00
SJO
-
STN
1 stop16h 20m
Multiple Airlines
Tue 1/1208:20
STN
-
SJO
1 stop16h 40m
Multiple Airlines
Deal found 6/7£637
Wed 18/1114:30
SJO
-
LHR
1 stop15h 10m
Multiple Airlines
Wed 2/1206:20
LHR
-
SJO
1 stop15h 50m
Multiple Airlines
Deal found 9/7£637
Thu 6/807:07
SJO
-
LGW
1 stop19h 53m
Multiple Airlines
Tue 3/1110:10
LGW
-
SJO
1 stop35h 08m
Multiple Airlines
Deal found 8/7£638
Thu 8/1018:50
SJO
-
STN
1 stop34h 40m
Multiple Airlines
Mon 19/1020:45
STN
-
SJO
1 stop27h 25m
Multiple Airlines
Deal found 6/7£638
Sat 19/913:19
SJO
-
LHR
1 stop15h 01m
Multiple Airlines
Fri 2/1008:55
LHR
-
SJO
2 stops19h 53m
Multiple Airlines
Deal found 6/7£639
Thu 8/1018:50
SJO
-
STN
1 stop22h 05m
Multiple Airlines
Thu 22/1006:00
STN
-
SJO
1 stop17h 50m
Multiple Airlines
Deal found 8/7£639
Tue 6/1013:23
SJO
-
LHR
1 stop16h 52m
Multiple Airlines
Sun 25/1011:30
LHR
-
SJO
2 stops16h 21m
Multiple Airlines
Deal found 8/7£640
Mon 3/807:07
SJO
-
LGW
1 stop19h 53m
Multiple Airlines
Mon 31/817:00
LGW
-
SJO
2 stops22h 45m
Multiple Airlines
Deal found 6/7£640
Tue 11/807:07
SJO
-
LGW
1 stop19h 53m
Multiple Airlines
Wed 19/814:00
LGW
-
SJO
1 stop32h 11m
Multiple Airlines
Deal found 5/7£641

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 9 July 2026.

Round-trip from

£615

One-way from

£284

Popular in

June

Cheapest in

February

Average price

£839

Good one-way deal

£495 or less
KLM
  • KLM
  • 4/8-21/8
  • 3 total stops
  • 48h 05m total
  • Costa Rica to London
Search Deals
16/7
  • 16/7
  • 1 total stop
  • 17h 25m total
  • Costa Rica to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Costa Rica to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 9 July 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 return flight

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Tue 4/8

13:25-13:15

1 stop16h 50m

London Heathrow

Fri 21/8

11:45-12:00

2 stops31h 15m

£615

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 9/10

17:55-18:35

2 stops17h 40m

London Heathrow

Sun 25/10

15:50-11:58

1 stop26h 08m

£661

San JoséLondon

SJO - LCY

SJOLCY

San José Juan Santamaria Intl

Tue 6/10

18:25-19:45

1 stop18h 20m

London City

Tue 20/10

10:00-16:20

1 stop13h 20m

£677

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 21/12

14:10-11:40

1 stop15h 30m

London Heathrow

Thu 31/12

10:45-22:15

1 stop17h 30m

£684

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 9/10

17:55-18:35

2 stops17h 40m

London Heathrow

Sun 25/10

11:30-21:51

2 stops16h 21m

£707

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Tue 18/8

13:25-13:15

1 stop16h 50m

London Heathrow

Tue 25/8

09:55-12:00

2 stops33h 05m

£740

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 17/9

13:19-13:15

1 stop16h 56m

London Heathrow

Tue 29/9

08:55-21:48

2 stops19h 53m

£741

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Tue 18/8

13:25-13:15

1 stop16h 50m

London Heathrow

Tue 25/8

09:20-12:00

1 stop33h 40m

£744

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 21/9

13:19-11:20

1 stop15h 01m

London Heathrow

Fri 9/10

08:40-18:24

2 stops16h 44m

£749

San JoséLondon

SJO - LCY

SJOLCY

San José Juan Santamaria Intl

Tue 27/10

19:30-16:35

1 stop15h 05m

London City

Wed 11/11

07:45-18:35

2 stops16h 50m

£766

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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 return 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 £203). Flying from Costa Rica to London in December is currently the most expensive (average of £1,049). 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 past 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?

Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from Costa Rica to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 9 July 2026.
Read reviews from past customers who have flown with KLM,Air France, andIberia from Costa Rica to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,533 reviews
Check prices

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

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
1,533 reviews
KLM
7.8
Good
1,533 reviews
Check prices

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

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
1,533 reviews
Check prices

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

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
1,533 reviews
Check prices

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

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
1,533 reviews
Check prices

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

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?

    KLM, Air France, and Air Europa can get you from Costa Rica to London in just under 17h 40m. Your travel time can differ by up to 57m. Costa Rica and London are separated by a distance of 5407 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Costa Rica to London one-way?

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at £395. American Airlines flights start at £419 while deals on Air Canada start at £452 one-way.

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

    Most travelers choose San José Juan Santamaria Intl - London Heathrow, San José Juan Santamaria Intl - London Gatwick or San José Juan Santamaria Intl - London City when deciding on the best route from Costa Rica to London.

  • What are the cheapest flights from Costa Rica to London?

    The cheapest flight price from Costa Rica to London is £490. On average you can expect to pay £497. The most popular route, (San José Juan Santamaria Intl - London Heathrow), can usually be booked for £569.

  • 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 holiday 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 £203). Flying from Costa Rica to London in December is currently the most expensive (average of £1,049). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Eastbourne
Southall
Aylesbury
Romford
Borehamwood
Southend-on-Sea
Uxbridge

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Costa Rica to London

Discover the top 3 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 858,174 searches. Data last updated 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£511Average£662FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£565Average£668FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£572Average£683FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Costa Rica to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Costa Rica today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Costa Rica to London?

Cheapflights helps you find that perfect flight to London from Costa Rica by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Costa Rica to London with no change fees?

Yes! Cheapflights helps users easily find flights from Costa Rica to London with no change fees.

Can Cheapflights notify me if prices for flights from Costa Rica to London become cheaper?

Not ready to book yet? You can track prices for flights from Costa Rica to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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