Cheap flights from London Heathrow Airport to Costa Rica from £383

LHR — SJO
12 Dec — 19 Dec1
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

Mon 23/1112:40 -
1 stop15h 35m
Sun 29/1119:30 -
1 stop15h 30m
Deal found 10/11£661
Sun 15/1110:50 -
1 stop17h 25m
Wed 18/1118:10 -
2 stops16h 25m
Deal found 11/11£662
Mon 23/1121:35 -
1 stop17h 15m
Tue 8/1201:55 -
1 stop30h 40m
Deal found 7/11£663
Mon 23/1121:35 -
1 stop17h 15m
Thu 10/1217:15 -
1 stop15h 20m
Deal found 7/11£663
Wed 18/1121:35 -
2 stops46h 20m
Wed 9/1210:00 -
2 stops22h 35m
Deal found 7/11£664
Sun 15/1116:00 -
1 stop36h 15m
Tue 15/1217:53 -
2 stops16h 12m
Deal found 9/11£665
Tue 17/1121:35 -
1 stop17h 15m
Sat 28/1117:15 -
1 stop15h 20m
Deal found 9/11£666
Sat 21/1121:35 -
1 stop17h 15m
Mon 23/1109:30 -
1 stop23h 05m
Deal found 8/11£666
Mon 16/1121:35 -
1 stop17h 15m
Wed 9/1217:15 -
1 stop15h 20m
Deal found 7/11£667
Wed 18/1121:35 -
1 stop17h 15m
Mon 30/1117:15 -
1 stop15h 20m
Deal found 10/11£668
Mon 16/1120:25 -
1 stop27h 05m
Tue 1/1219:30 -
1 stop14h 35m
Deal found 11/11£669
Sat 21/1118:00 -
1 stop26h 10m
Wed 2/1215:20 -
1 stop33h 50m
Deal found 9/11£714

Find flight deals from Heathrow to Costa Rica

Round-trip from

£661

One-way from

£383

Popular in

December

Cheapest in

May

Average price

£732

Good round-trip deal

£767 or less
KLM
  • KLM
  • 23/11-29/11
  • 2 total stops
  • 31h 05m total
  • London to Costa Rica
6/2-31/12
  • 6/2-31/12
  • 3 total stops
  • 49h 30m total
  • London to Costa Rica
Highest demand for flights based on searches. 4% potential increase in price (£29 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London Heathrow to Costa Rica.

Cheapflights Fare Finder

 
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 London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Mon 11/1

12:20-22:35

1 stop16h 15m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£476

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Fri 5/2

08:05-22:35

1 stop20h 30m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£480

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Thu 3/12

09:15-16:10

2 stops36h 55m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£538

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Tue 1/12

21:35-13:55

2 stops46h 20m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£545

LondonLiberia

LHR London Heathrow - LIR Liberia

LHRLIR

London Heathrow

Sun 15/11

08:30-13:37

2 stops35h 07m

Liberia

Wed 31/12

00:00-07:00

Nonstop0h 00m

£559

LondonLiberia

LHR London Heathrow - LIR Liberia

LHRLIR

London Heathrow

Fri 20/11

19:25-15:07

3 stops49h 42m

Liberia

Wed 31/12

00:00-07:00

Nonstop0h 00m

£566

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Sun 15/11

21:35-08:50

1 stop17h 15m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£587

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Wed 6/1

06:35-14:15

2 stops37h 40m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£630

LondonLiberia

LHR London Heathrow - LIR Liberia

LHRLIR

London Heathrow

Tue 29/12

20:45-07:12

2 stops40h 27m

Liberia

Wed 31/12

00:00-07:00

Nonstop0h 00m

£653

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Sun 10/1

12:20-22:35

1 stop16h 15m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£662

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 41 resultsSorted by cheapest first
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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

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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £642). Flying from London Heathrow Airport to Costa Rica in December is currently the most expensive (average of £914). 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 LHR to CR?

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

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

Booking 50 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

See what other customers who have flown with United Airlines,Air Canada, andLufthansa 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.

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

Overall

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

Overall

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

Overall

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

Overall

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

Overall

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

Overall

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Related info for your journey

  • 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 27m. KLM provides one of the quickest options available for as low as £754. 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 £661. On average you can expect to pay £866. The most popular route, (London Heathrow - San José Juan Santamaria Intl), can usually be booked for £579.

  • 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £642). Flying from London Heathrow Airport to Costa Rica in December is currently the most expensive (average of £914). 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

Top 10 airlines flying from Heathrow to Costa Rica

AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£436Average£619FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£443Average£765FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£458Average£664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£519Average£671FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£565Average£770FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£603Average£742FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£607Average£780FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£610Average£949FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£644Average£826FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£686Average£917FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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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