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Cheap flights from Costa Rica to London from £279

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
4 Apr — 11 Apr1
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 5 March 2026.

Wed 18/313:05
LIR
-
LHR
1 stop35h 20m
KLM
Wed 25/315:50
LHR
-
LIR
1 stop27h 00m
KLM
Deal found 1/3£549
Mon 16/318:15
SJO
-
LHR
1 stop17h 00m
Iberia
Mon 20/406:15
LHR
-
SJO
1 stop15h 50m
Iberia
Deal found 4/3£549
Wed 3/619:05
SJO
-
LGW
1 stop13h 55m
Air France
Tue 16/617:00
LGW
-
SJO
1 stop31h 00m
Air France
Deal found 4/3£549
Mon 16/318:15
SJO
-
LHR
1 stop17h 00m
Multiple Airlines
Tue 31/306:15
LHR
-
SJO
1 stop15h 50m
Multiple Airlines
Deal found 4/3£550
Wed 22/416:30
SJO
-
LHR
1 stop18h 45m
Iberia
Mon 27/406:15
LHR
-
SJO
1 stop15h 50m
Iberia
Deal found 2/3£551
Sat 16/513:20
SJO
-
LHR
1 stop15h 00m
Multiple Airlines
Sun 31/519:45
LHR
-
SJO
1 stop28h 15m
Multiple Airlines
Deal found 3/3£551
Fri 6/318:15
SJO
-
LHR
1 stop14h 40m
Multiple Airlines
Mon 13/406:15
LHR
-
SJO
1 stop15h 45m
Multiple Airlines
Deal found 3/3£552
Fri 6/318:15
SJO
-
LHR
1 stop14h 05m
Multiple Airlines
Sun 8/307:30
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Deal found 2/3£553
Tue 10/320:05
SJO
-
LHR
1 stop16h 15m
Multiple Airlines
Tue 14/415:15
LHR
-
SJO
1 stop27h 41m
Multiple Airlines
Deal found 5/3£554
Sat 18/416:40
SJO
-
LGW
1 stop20h 20m
Iberia
Sat 25/420:40
LGW
-
SJO
1 stop25h 25m
Iberia
Deal found 4/3£554
Tue 28/419:40
SJO
-
STN
1 stop14h 45m
Multiple Airlines
Tue 12/509:10
STN
-
SJO
1 stop15h 00m
Multiple Airlines
Deal found 2/3£554
Wed 4/320:30
SJO
-
LHR
1 stop16h 45m
KLM
Wed 15/413:25
LHR
-
SJO
1 stop29h 31m
KLM
Deal found 1/3£555

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 5 March 2026.

Round-trip from

£549

One-way from

£279

Popular in

July

Cheapest in

February

Average price

£629

Good round-trip deal

£624 or less
KLM
  • KLM
  • 18/3-25/3
  • 2 total stops
  • 62h 20m total
  • Costa Rica to London
Search Deals
31/3
  • 31/3
  • 1 total stop
  • 15h 22m total
  • Costa Rica to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip 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 5 March 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

Wed 18/3

13:05-06:25

1 stop35h 20m

London Heathrow

Wed 25/3

15:50-12:50

1 stop27h 00m

£549

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Sat 18/4

14:55-06:25

1 stop32h 30m

London Heathrow

Sat 25/4

11:15-12:00

1 stop31h 45m

£557

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Fri 3/4

14:05-07:15

1 stop34h 10m

London Heathrow

Fri 10/4

09:20-09:55

1 stop31h 35m

£566

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 4/6

18:25-10:45

1 stop33h 20m

London Heathrow

Wed 10/6

19:15-16:20

1 stop28h 05m

£590

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Wed 6/5

13:25-13:15

1 stop16h 50m

London Heathrow

Fri 22/5

11:15-12:00

1 stop31h 45m

£597

San JoséLondon

SJO - LCY

SJOLCY

San José Juan Santamaria Intl

Thu 4/6

18:25-07:55

1 stop30h 30m

London City

Wed 10/6

17:10-16:20

1 stop30h 10m

£608

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Wed 1/4

13:05-13:15

1 stop17h 10m

London Heathrow

Wed 8/4

09:20-12:50

1 stop34h 30m

£635
Fastest return journey

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Sat 18/4

16:40-13:45

1 stop14h 05m

London Luton

Sat 25/4

06:20-15:00

1 stop15h 40m

£658

LiberiaLondon

LIR - LHR

LIRLHR

Liberia

Sun 5/4

13:05-13:15

1 stop17h 10m

London Heathrow

Thu 16/4

13:25-12:00

1 stop29h 35m

£666

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 16/5

14:40-13:15

1 stop15h 35m

London Heathrow

Fri 22/5

06:15-17:10

1 stop17h 55m

£668

Flights are sorted by cheapest return flights first.

Deals found on 3/3

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, March is the cheapest month in which you can book a flight from Costa Rica to London (average of £413). Flying from Costa Rica to London in August is currently the most expensive (average of £582). 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.

What is the cheapest time of day to fly from CR to LON?

Find hourly flight availability from Costa Rica to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 March 2026.

When flying from Costa Rica to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Costa Rica to London delayed?

About 22% of weekly flights between Costa Rica and London have experienced delays in the past year, with the average delay time being 191 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 22% 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 5 March 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
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,467 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,542 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Iberia
7.0
Good
3,133 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,778 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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, Iberia, and United Airlines can get you from Costa Rica to London in just under 13h 50m. Your travel time can differ by up to 21h 30m. Costa Rica and London are separated by a distance of 5429 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.

  • 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, March is the cheapest month in which you can book a flight from Costa Rica to London (average of £413). Flying from Costa Rica to London in August is currently the most expensive (average of £582). 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
Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Bedford
Romford
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 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£512Average£654FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£527Average£584FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£539Average£838FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£543Average£790FlexibilityNo 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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