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Cheap flights from Costa Rica to London from £300

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
13 Jun — 20 Jun1
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 14 May 2026.

Tue 2/618:25
SJO
-
LHR
1 stop31h 35m
KLM
Thu 11/608:40
LHR
-
SJO
1 stop14h 40m
KLM
Deal found 11/5£607
Mon 8/616:30
SJO
-
LHR
1 stop19h 25m
Iberia
Mon 15/606:15
LHR
-
SJO
1 stop15h 50m
Iberia
Deal found 10/5£608
Mon 25/516:30
SJO
-
LGW
1 stop35h 20m
Iberia
Sat 30/520:40
LGW
-
SJO
1 stop25h 25m
Iberia
Deal found 12/5£611
Fri 15/516:30
SJO
-
LHR
1 stop19h 25m
Multiple Airlines
Sat 30/507:00
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Deal found 10/5£612
Tue 16/616:10
SJO
-
LHR
1 stop20h 35m
Multiple Airlines
Fri 19/606:15
LHR
-
SJO
1 stop15h 20m
Multiple Airlines
Deal found 10/5£613
Fri 22/516:30
SJO
-
LGW
1 stop20h 30m
Iberia
Sun 24/520:40
LGW
-
SJO
1 stop25h 25m
Iberia
Deal found 13/5£613
Mon 11/516:30
SJO
-
LHR
1 stop17h 45m
Iberia
Sun 24/515:50
LHR
-
SJO
1 stop30h 15m
Iberia
Deal found 10/5£614
Thu 28/506:00
SJO
-
LHR
1 stop20h 25m
Iberia
Tue 2/620:00
LHR
-
SJO
1 stop26h 05m
Iberia
Deal found 10/5£614
Thu 4/616:30
SJO
-
STN
1 stop15h 30m
Multiple Airlines
Thu 18/606:00
STN
-
SJO
1 stop15h 35m
Multiple Airlines
Deal found 9/5£615
Tue 2/618:25
SJO
-
LHR
1 stop19h 30m
Multiple Airlines
Tue 9/619:45
LHR
-
SJO
1 stop28h 15m
Multiple Airlines
Deal found 9/5£617
Wed 13/513:20
SJO
-
LHR
1 stop16h 55m
KLM
Wed 20/519:15
LHR
-
SJO
1 stop28h 05m
KLM
Deal found 13/5£618
Tue 9/619:40
SJO
-
STN
1 stop18h 20m
Multiple Airlines
Thu 18/606:00
STN
-
SJO
1 stop22h 20m
Multiple Airlines
Deal found 9/5£618

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 14 May 2026.

Round-trip from

£606

One-way from

£300

Popular in

July

Cheapest in

February

Average price

£691

Good one-way deal

£532 or less
Iberia
  • Iberia
  • 7/6-14/6
  • 2 total stops
  • 36h 05m total
  • Costa Rica to London
Search Deals
12/7
  • 12/7
  • 1 total stop
  • 17h 25m total
  • Costa Rica to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£88 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 May 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 14 May 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

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 7/11

14:23-06:25

1 stop34h 02m

London Heathrow

Sun 15/11

15:50-13:05

1 stop27h 15m

£666

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 8/11

14:23-11:40

1 stop15h 17m

London Heathrow

Mon 23/11

08:55-22:15

1 stop19h 20m

£666

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Thu 28/5

13:25-11:20

1 stop14h 55m

London Heathrow

Thu 4/6

11:45-12:00

2 stops31h 15m

£678

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Tue 2/6

19:40-23:45

1 stop21h 05m

London Luton

Tue 16/6

08:00-17:10

1 stop16h 10m

£679

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Sat 6/6

21:10-13:45

1 stop33h 35m

London Luton

Thu 18/6

08:00-21:20

1 stop20h 20m

£708

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Mon 22/6

11:10-11:35

1 stop17h 25m

London Heathrow

Wed 8/7

09:30-10:44

1 stop32h 14m

£746

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Sat 30/5

15:27-05:55

2 stops31h 28m

London Heathrow

Sat 6/6

18:00-10:44

1 stop23h 44m

£746

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 29/5

08:45-14:10

1 stop22h 25m

London Heathrow

Sat 6/6

07:25-22:39

2 stops22h 14m

£746

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Thu 1/10

13:20-11:35

1 stop15h 15m

London Heathrow

Mon 5/10

11:25-12:10

2 stops31h 45m

£753

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 3/7

00:30-11:35

1 stop28h 05m

London Heathrow

Wed 22/7

16:40-10:11

2 stops24h 31m

£755

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 60 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 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

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

Booking 76 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.

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 £201). Flying from Costa Rica to London in December is currently the most expensive (average of £855). 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.

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 14 May 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
1,517 reviews
Check prices

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

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
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

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
7.4
Good
1,589 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

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
3,216 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

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
7,979 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Food

7.3

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, United Airlines, and WestJet can get you from Costa Rica to London in just under 17h 25m. Your travel time can differ by up to 19h 45m. Costa Rica and London are separated by a distance of 5433 mi. This flight may include one or multiple stops.

  • 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 Stansted 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 £503. On average you can expect to pay £547. The most popular route, (San José Juan Santamaria Intl - London Heathrow), can usually be booked for £605.

  • 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 £201). Flying from Costa Rica to London in December is currently the most expensive (average of £855). 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
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Southall
Chelmsford

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.

Top 4 airlines flying from Costa Rica to London

Discover the top 4 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 14 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£505Average£645FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£532Average£832FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£540Average£637FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£565Average£675FlexibilityNo 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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