Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Costa Rica to London from £297

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
28 Jun — 5 Jul1
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 29 May 2026.

Tue 29/913:25
LIR
-
LHR
1 stop16h 50m
KLM
Mon 12/1011:45
LHR
-
LIR
2 stops31h 15m
KLM
Deal found 27/5£576
Sun 6/1214:05
LIR
-
LHR
1 stop15h 35m
KLM
Sun 13/1215:50
LHR
-
LIR
1 stop26h 50m
KLM
Deal found 28/5£580
Tue 29/913:25
LIR
-
LHR
1 stop16h 50m
Multiple Airlines
Mon 12/1015:15
LHR
-
LIR
1 stop27h 45m
Multiple Airlines
Deal found 27/5£581
Wed 7/1013:25
LIR
-
LHR
2 stops21h 10m
KLM
Wed 25/1115:50
LHR
-
LIR
1 stop26h 50m
KLM
Deal found 24/5£604
Tue 29/913:25
LIR
-
LHR
2 stops21h 10m
KLM
Wed 14/1013:25
LHR
-
LIR
1 stop29h 35m
KLM
Deal found 27/5£604
Sun 6/1214:05
LIR
-
LHR
2 stops17h 40m
Multiple Airlines
Sun 13/1210:45
LHR
-
LIR
1 stop31h 55m
Multiple Airlines
Deal found 28/5£605
Tue 4/814:11
SJO
-
LHR
1 stop15h 39m
American Airlines
Thu 27/812:15
LHR
-
SJO
1 stop14h 38m
American Airlines
Deal found 27/5£608
Sun 7/613:19
SJO
-
LHR
1 stop34h 06m
Air France
Tue 16/619:45
LHR
-
SJO
1 stop28h 15m
Air France
Deal found 28/5£612
Tue 2/613:20
SJO
-
LHR
1 stop16h 55m
Multiple Airlines
Thu 11/606:15
LHR
-
SJO
2 stops17h 05m
Multiple Airlines
Deal found 28/5£614
Sat 6/613:25
LIR
-
LHR
1 stop16h 50m
KLM
Tue 16/611:45
LHR
-
LIR
2 stops31h 15m
KLM
Deal found 27/5£615
Mon 26/1013:23
SJO
-
LHR
2 stops18h 22m
Multiple Airlines
Sat 7/1115:50
LHR
-
SJO
1 stop27h 08m
Multiple Airlines
Deal found 27/5£615
Thu 2/718:25
SJO
-
LHR
1 stop18h 00m
KLM
Thu 9/711:15
LHR
-
SJO
1 stop31h 36m
KLM
Deal found 28/5£616

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 29 May 2026.

Round-trip from

£576

One-way from

£297

Popular in

July

Cheapest in

February

Average price

£690

Good one-way deal

£549 or less
KLM
  • KLM
  • 29/9-12/10
  • 3 total stops
  • 48h 05m total
  • Costa Rica to London
Search Deals
29/7
  • 29/7
  • 1 total stop
  • 19h 53m total
  • Costa Rica to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£91 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 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 29 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

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Fri 11/9

13:25-13:15

1 stop16h 50m

London Heathrow

Fri 18/9

09:20-12:00

1 stop33h 40m

£580

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Wed 7/10

13:25-13:15

1 stop16h 50m

London Heathrow

Wed 25/11

12:30-12:40

1 stop30h 10m

£580

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Fri 9/10

13:25-13:15

1 stop16h 50m

London Heathrow

Fri 6/11

08:55-13:00

1 stop34h 05m

£580

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 7/10

13:23-11:20

1 stop14h 57m

London Heathrow

Fri 16/10

15:15-11:58

1 stop27h 43m

£627

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 5/10

13:25-11:20

1 stop14h 55m

London Heathrow

Wed 28/10

12:30-11:58

1 stop29h 28m

£627

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 29/9

13:25-13:15

1 stop16h 50m

London Heathrow

Tue 13/10

15:15-11:58

1 stop27h 43m

£628

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 10/8

13:14-13:15

1 stop17h 01m

London Heathrow

Mon 24/8

20:55-16:20

1 stop26h 25m

£630

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 16/9

13:25-13:15

1 stop16h 50m

London Heathrow

Sun 27/9

06:30-17:00

2 stops17h 30m

£678

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Fri 2/10

13:20-11:35

1 stop15h 15m

London Heathrow

Sun 11/10

10:00-12:10

1 stop33h 10m

£750

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Sat 18/7

11:10-06:55

2 stops36h 45m

London Heathrow

Sat 25/7

07:45-10:44

1 stop33h 59m

£750

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 60 resultsSorted by cheapest first
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 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 £939). 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 77 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 29 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
1,526 reviews
Check prices

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
1,526 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
1,595 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
3,222 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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
8,008 reviews
KLM
7.8
Good
1,526 reviews
Check prices

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Boarding

7.8

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, WestJet, and Air Transat can get you from Costa Rica to London in just under 16h 50m. Your travel time can differ by up to 20h 20m. 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 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 £507. On average you can expect to pay £552. The most popular route, (San José Juan Santamaria Intl - London Heathrow), can usually be booked for £539.

  • 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 £939). 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
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Romford
Guildford
Borehamwood
Southall
Southend-on-Sea

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 29 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£503Average£665FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£509Average£650FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£536Average£839FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£556Average£673FlexibilityNo 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.

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.