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Cheap flights from London Heathrow Airport to Costa Rica from £284

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
23 Mar — 30 Mar1
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 21 February 2026.

Fri 6/306:50
LHR
-
SJO
2 stops22h 25m
Air Canada
Mon 16/307:50
SJO
-
LHR
1 stop17h 20m
Air Canada
Deal found 17/2£601
Sun 26/420:05
LHR
-
SJO
1 stop23h 50m
Multiple Airlines
Sun 10/508:00
SJO
-
LHR
1 stop17h 35m
Multiple Airlines
Deal found 17/2£601
Sun 8/318:00
LHR
-
SJO
1 stop35h 05m
Air Canada
Mon 16/307:50
SJO
-
LHR
2 stops40h 40m
Air Canada
Deal found 20/2£602
Sat 28/218:00
LHR
-
SJO
1 stop36h 05m
Air Canada
Mon 16/307:50
SJO
-
LHR
2 stops30h 45m
Air Canada
Deal found 17/2£603
Sun 25/1006:00
LHR
-
SJO
2 stops22h 15m
Air Canada
Sat 7/1108:50
SJO
-
LHR
2 stops20h 25m
Air Canada
Deal found 19/2£604
Fri 8/508:40
LHR
-
SJO
2 stops18h 55m
Air Canada
Tue 19/508:00
SJO
-
LHR
2 stops30h 00m
Air Canada
Deal found 20/2£604
Sun 25/1006:00
LHR
-
SJO
2 stops22h 15m
Air Canada
Mon 9/1108:50
SJO
-
LHR
2 stops17h 15m
Air Canada
Deal found 18/2£605
Sat 20/614:45
LHR
-
SJO
1 stop33h 15m
Air France
Thu 2/719:05
SJO
-
LHR
1 stop14h 30m
Air France
Deal found 18/2£606
Tue 7/414:10
LHR
-
LIR
1 stop30h 35m
Air Canada
Tue 14/414:45
LIR
-
LHR
1 stop35h 50m
Air Canada
Deal found 21/2£606
Fri 6/306:50
LHR
-
SJO
2 stops22h 25m
Air Canada
Wed 18/307:50
SJO
-
LHR
2 stops40h 40m
Air Canada
Deal found 17/2£606
Mon 30/320:05
LHR
-
LIR
2 stops47h 10m
Multiple Airlines
Mon 13/414:50
LIR
-
LHR
1 stop14h 00m
Multiple Airlines
Deal found 20/2£608
Sun 25/1006:00
LHR
-
SJO
2 stops22h 15m
Multiple Airlines
Mon 9/1108:50
SJO
-
LHR
2 stops22h 10m
Multiple Airlines
Deal found 17/2£608

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 21 February 2026.

Round-trip from

£592

One-way from

£284

Popular in

December

Cheapest in

September

Average price

£670
Air Canada
  • Air Canada
  • 15/4-21/4
  • 3 total stops
  • 62h 10m total
  • London to Costa Rica
Search Deals
18/4
  • 18/4
  • 3 total stops
  • 38h 45m total
  • London to Costa Rica
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 21 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Costa Rica that are best for you.

Fly from

Heathrow

Fly to

Costa Rica

Route

Depart

Return

Price

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 9/3

09:30-11:55

2 stops32h 25m

Liberia

Mon 16/3

07:35-09:10

2 stops19h 35m

£620

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 5/3

06:50-19:53

2 stops19h 03m

San José Juan Santamaria Intl

Mon 9/3

13:05-11:15

1 stop16h 10m

£623

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 12/3

07:30-11:55

2 stops34h 25m

Liberia

Mon 16/3

07:35-07:30

1 stop17h 55m

£624

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 10/3

10:30-07:32

2 stops27h 02m

San José Juan Santamaria Intl

Tue 24/3

05:30-10:15

1 stop22h 45m

£630

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 18/3

06:50-18:53

2 stops18h 03m

San José Juan Santamaria Intl

Thu 14/5

07:55-07:25

2 stops40h 30m

£631

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 9/3

06:50-18:53

2 stops18h 03m

San José Juan Santamaria Intl

Thu 26/3

05:30-10:15

1 stop22h 45m

£633

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 30/3

17:40-13:40

1 stop27h 00m

Liberia

Mon 13/4

14:50-08:35

1 stop34h 45m

£639

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 17/3

10:00-12:10

1 stop32h 10m

Liberia

Tue 24/3

07:35-10:15

1 stop20h 40m

£641

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 30/3

16:40-12:10

2 stops26h 30m

Liberia

Wed 15/4

11:49-12:20

1 stop17h 31m

£644

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 4/3

09:10-19:53

1 stop16h 43m

San José Juan Santamaria Intl

Tue 10/3

05:30-06:40

2 stops19h 10m

£644

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 32 results
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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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £460). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £592). 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 21 February 2026.
See what other customers who have flown with KLM, Air France, andUnited Airlines 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.
KLM
7.7
Good
1,457 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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
7.7
Good
1,457 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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
1,533 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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
United Airlines
7.4
Good
9,336 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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 Canada
7.1
Good
10,734 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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
Lufthansa
6.8
Okay
7,794 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Crew

8.4

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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 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 27h. United Airlines provides one of the quickest options available for as low as £639. London Heathrow Airport and Costa Rica are separated by a distance of 5433 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Costa Rica one-way?

    For one-way options, check prices for Air France. According to our data, you can fly for as low as £490. Users have also found prices from £512 and £676 on KLM and Aeromexico, respectively.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £460). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £592). 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 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£463Average£582FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£466Average£528FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£473Average£565FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£500Average£741FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£508Average£673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£513Average£648FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£522Average£702FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£541Average£629FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£543Average£737FlexibilityNo cancel feeOn-time75%
Search KLM flights
AviancaCheapest£546Average£627FlexibilityNo cancel feeOn-time71%
Search Avianca 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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