Cheap flights from London Heathrow Airport to Costa Rica from £372

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Costa Rica
Explore the most affordable flight options available from Heathrow to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2026.

Sun 24/512:05
LHR
-
SJO
1 stop15h 30m
Air Canada
Sun 31/507:10
SJO
-
LHR
1 stop18h 25m
Air Canada
Deal found 25/4£576
Thu 21/522:05
LHR
-
SJO
2 stops32h 10m
Avianca
Sat 23/516:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 24/4£584
Mon 8/622:05
LHR
-
SJO
2 stops32h 10m
Avianca
Wed 10/616:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 26/4£585
Sun 24/512:05
LHR
-
SJO
1 stop15h 30m
Air Canada
Wed 3/607:10
SJO
-
LHR
1 stop16h 25m
Air Canada
Deal found 25/4£595
Tue 19/522:05
LHR
-
SJO
1 stop17h 45m
Avianca
Sat 23/509:25
SJO
-
LHR
1 stop23h 10m
Avianca
Deal found 25/4£604
Wed 17/622:05
LHR
-
SJO
1 stop17h 45m
Avianca
Mon 22/609:25
SJO
-
LHR
1 stop23h 10m
Avianca
Deal found 22/4£605
Sat 6/622:05
LHR
-
SJO
1 stop17h 45m
Avianca
Wed 10/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 24/4£606
Sun 31/522:05
LHR
-
SJO
2 stops32h 10m
Avianca
Tue 9/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 24/4£607
Thu 28/522:05
LHR
-
SJO
2 stops32h 10m
Avianca
Fri 5/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 25/4£608
Thu 12/1121:40
LHR
-
SJO
2 stops31h 35m
Avianca
Sat 28/1106:00
SJO
-
LHR
2 stops26h 35m
Avianca
Deal found 22/4£609
Tue 17/1109:30
LHR
-
LIR
2 stops34h 25m
Multiple Airlines
Tue 8/1214:40
LIR
-
LHR
1 stop34h 30m
Multiple Airlines
Deal found 22/4£670
Tue 17/1118:00
LHR
-
LIR
1 stop25h 55m
Air Canada
Tue 8/1214:40
LIR
-
LHR
1 stop34h 30m
Air Canada
Deal found 22/4£694

Find flight deals from Heathrow to Costa Rica

Keep the following information in mind while searching for Heathrow to Costa Rica flight deals. Data was last updated 27 April 2026.

Round-trip from

£576

One-way from

£372

Popular in

December

Cheapest in

October

Average price

£664

Good round-trip deal

£1,063 or less
Air Canada
  • Air Canada
  • 24/5-31/5
  • 2 total stops
  • 33h 55m total
  • London to Costa Rica
Avianca
  • Avianca
  • 15/6
  • 1 total stop
  • 24h 20m total
  • London to Costa Rica
Highest demand for flights based on searches. 5% potential increase in price (£31 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from London Heathrow to Costa Rica.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Costa Rica 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 27 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/6

22:05-08:50

1 stop17h 45m

San José Juan Santamaria Intl

Thu 18/6

09:25-15:35

1 stop23h 10m

£644

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 8/6

16:40-09:50

2 stops24h 10m

Liberia

Mon 15/6

11:49-12:25

1 stop17h 36m

£723

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sun 24/5

11:25-15:19

1 stop34h 54m

Liberia

Sun 31/5

08:30-14:10

1 stop22h 40m

£723

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 24/9

14:10-12:10

2 stops29h 00m

Liberia

Mon 28/9

13:20-05:55

2 stops33h 35m

£723

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 6/6

10:00-09:50

1 stop30h 50m

Liberia

Sat 13/6

11:10-11:35

1 stop17h 25m

£724

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 23/7

15:20-10:44

1 stop26h 24m

Liberia

Tue 4/8

13:20-11:35

1 stop15h 15m

£725

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 3/7

10:00-19:37

1 stop16h 37m

San José Juan Santamaria Intl

Mon 20/7

07:55-11:35

1 stop20h 40m

£732

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 14/6

07:45-11:38

1 stop34h 53m

San José Juan Santamaria Intl

Sun 28/6

11:13-11:35

1 stop17h 22m

£732

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 19/8

16:15-07:15

1 stop22h 00m

San José Juan Santamaria Intl

Sat 29/8

08:45-14:10

1 stop22h 25m

£732

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 24/7

08:00-10:11

2 stops33h 11m

San José Juan Santamaria Intl

Thu 6/8

00:30-05:55

2 stops22h 25m

£733

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 27 resultsSorted by cheapest first
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2
3

Best time to book a flight from Heathrow to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Heathrow 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 London Heathrow Airport to Costa Rica

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

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Costa Rica. 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 London Heathrow Airport to Costa Rica?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £301). Flying from London Heathrow Airport to Costa Rica in August is currently the most expensive (average of £538). 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.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated 27 April 2026.
See what other customers who have flown with United Airlines,American Airlines, andAir Canada from London Heathrow Airport to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Costa Rica. 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 London Heathrow Airport to Costa Rica?

    A quick flight from London Heathrow Airport to Costa Rica can take about 17h 45m. Avianca provides one of the quickest options available for as low as £644. London Heathrow Airport and Costa Rica are separated by a distance of 5407 mi. This flight may include one or multiple stops.

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

    The cheapest flight price from London Heathrow Airport to Costa Rica is £734. On average you can expect to pay £1,197. The most popular route, (London Heathrow - San José Juan Santamaria Intl), can usually be booked for £632.

  • Can I find deals for flights from Heathrow to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Heathrow to Costa Rica flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Costa Rica.

  • Can I find deals for business class flights from Heathrow to Costa Rica?

    Yes. Cheapflights offers flight deals from Heathrow to Costa Rica 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 London Heathrow Airport to Costa Rica?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £301). Flying from London Heathrow Airport to Costa Rica in August is currently the most expensive (average of £538). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Heathrow to Costa Rica

Discover the top 10 airlines that operate flights from Heathrow to Costa Rica. 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 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£429Average£599FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£436Average£639FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£444Average£602FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£470Average£536FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£498Average£644FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£505Average£689FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£511Average£645FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£531Average£631FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£539Average£737FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£546Average£812FlexibilityNo cancel feeOn-time75%
Search KLM 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 Heathrow to Costa Rica?

Deals for Heathrow to Costa Rica flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Costa Rica by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Heathrow to Costa Rica with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Heathrow to Costa Rica flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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