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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
10 Jul — 17 Jul1
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 10 June 2026.

Mon 15/622:05
LHR
-
SJO
1 stop24h 20m
Avianca
Mon 29/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 8/6£650
Thu 11/622:05
LHR
-
SJO
2 stops32h 10m
Avianca
Sun 14/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 6/6£651
Wed 17/622:05
LHR
-
SJO
2 stops32h 10m
Avianca
Tue 14/705:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 6/6£653
Thu 5/1118:40
LHR
-
SJO
2 stops34h 35m
Multiple Airlines
Thu 19/1108:35
SJO
-
LHR
2 stops18h 45m
Multiple Airlines
Deal found 6/6£653
Tue 1/1206:00
LHR
-
SJO
2 stops23h 15m
Multiple Airlines
Tue 15/1208:35
SJO
-
LHR
2 stops30h 00m
Multiple Airlines
Deal found 5/6£656
Sat 20/609:30
LHR
-
SJO
1 stop15h 05m
Lufthansa
Tue 23/619:25
SJO
-
LHR
1 stop15h 15m
Lufthansa
Deal found 6/6£656
Sat 5/909:30
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Sat 19/907:15
SJO
-
LHR
1 stop16h 15m
Multiple Airlines
Deal found 8/6£657
Tue 10/1121:40
LHR
-
SJO
1 stop17h 10m
Avianca
Mon 23/1101:45
SJO
-
LHR
1 stop30h 50m
Avianca
Deal found 9/6£658
Sat 20/620:05
LHR
-
SJO
1 stop23h 50m
SWISS
Fri 3/715:50
SJO
-
LHR
1 stop19h 00m
SWISS
Deal found 9/6£659
Fri 26/606:00
LHR
-
SJO
1 stop15h 05m
SWISS
Wed 1/715:50
SJO
-
LHR
1 stop19h 00m
SWISS
Deal found 10/6£659
Tue 23/620:05
LHR
-
SJO
1 stop25h 00m
SWISS
Fri 3/715:50
SJO
-
LHR
1 stop19h 00m
SWISS
Deal found 9/6£660
Thu 10/1218:00
LHR
-
LIR
1 stop25h 55m
Multiple Airlines
Tue 15/1214:40
LIR
-
LHR
1 stop34h 30m
Multiple Airlines
Deal found 7/6£686

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 10 June 2026.

Round-trip from

£650

One-way from

£372

Popular in

December

Cheapest in

September

Average price

£686

Good round-trip deal

£842 or less
Avianca
  • Avianca
  • 24/6-9/7
  • 2 total stops
  • 40h 55m total
  • London to Costa Rica
Avianca
  • Avianca
  • 18/6
  • 1 total stop
  • 24h 20m total
  • London to Costa Rica
Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in June 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 10 June 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

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 12/11

16:00-11:44

1 stop25h 44m

Liberia

Mon 16/11

08:35-08:25

2 stops17h 50m

£724

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 13/7

16:40-09:50

2 stops24h 10m

Liberia

Thu 30/7

11:49-20:40

2 stops25h 51m

£724

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 10/8

13:40-12:10

1 stop29h 30m

Liberia

Wed 19/8

13:20-06:55

2 stops34h 35m

£724

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 17/7

18:00-12:10

2 stops25h 10m

Liberia

Fri 31/7

11:49-21:25

2 stops26h 36m

£724

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 4/7

16:00-10:44

1 stop25h 44m

Liberia

Mon 13/7

16:30-21:25

1 stop21h 55m

£724

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 18/7

09:30-10:44

1 stop32h 14m

Liberia

Fri 7/8

11:10-11:35

1 stop17h 25m

£729

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 24/7

08:00-10:11

2 stops33h 11m

San José Juan Santamaria Intl

Sat 29/8

08:45-07:25

1 stop39h 40m

£733
Fastest return journey

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 6/8

09:30-20:19

1 stop17h 49m

San José Juan Santamaria Intl

Tue 8/12

08:45-10:25

2 stops19h 40m

£733

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 6/8

16:40-10:11

2 stops24h 31m

San José Juan Santamaria Intl

Sun 23/8

08:45-14:10

1 stop22h 25m

£736

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 6/8

16:40-10:11

2 stops24h 31m

San José Juan Santamaria Intl

Mon 24/8

08:45-11:10

1 stop19h 25m

£736

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
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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

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 £305). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £591). 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 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.

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 10 June 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.

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 25h 44m. United Airlines provides one of the quickest options available for as low as £724. London Heathrow Airport and Costa Rica are separated by a distance of 5433 mi.

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

    The cheapest flight price from London Heathrow Airport to Costa Rica is £841. On average you can expect to pay £981. The most popular route, (London Heathrow - San José Juan Santamaria Intl), can usually be booked for £529.

  • 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 £305). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £591). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£434Average£612FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£441Average£669FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£447Average£624FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£475Average£521FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£496Average£682FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£504Average£650FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£511Average£712FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£517Average£654FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£545Average£758FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£607Average£871FlexibilityNo 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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