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Cheap flights from London Heathrow Airport to Costa Rica from £278

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
23 Apr — 30 Apr1
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 24 March 2026.

Wed 6/508:15
LHR
-
LIR
1 stop35h 25m
JetBlue
Wed 13/514:00
LIR
-
LHR
1 stop23h 45m
JetBlue
Deal found 22/3£581
Fri 24/422:05
LHR
-
SJO
1 stop17h 45m
Avianca
Mon 4/516:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 23/3£602
Sat 19/922:05
LHR
-
SJO
1 stop17h 45m
Avianca
Sat 3/1016:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 23/3£605
Wed 22/422:05
LHR
-
SJO
1 stop17h 45m
Avianca
Sat 2/516:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 23/3£606
Fri 17/422:05
LHR
-
SJO
1 stop17h 45m
Avianca
Fri 8/516:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 19/3£607
Thu 28/522:05
LHR
-
SJO
1 stop17h 45m
Avianca
Fri 5/616:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 23/3£607
Fri 5/622:05
LHR
-
SJO
1 stop17h 45m
Avianca
Wed 24/616:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 20/3£609
Thu 16/422:05
LHR
-
SJO
2 stops32h 10m
Avianca
Sat 25/405:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 20/3£610
Sun 19/422:05
LHR
-
SJO
1 stop24h 20m
Avianca
Mon 27/405:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 23/3£610
Thu 18/622:05
LHR
-
SJO
2 stops41h 25m
Avianca
Thu 23/716:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 22/3£611
Sat 25/422:05
LHR
-
SJO
1 stop17h 45m
Avianca
Sat 9/509:25
SJO
-
LHR
1 stop23h 10m
Avianca
Deal found 22/3£613
Thu 15/1020:25
LHR
-
LIR
2 stops46h 25m
Multiple Airlines
Sun 25/1013:55
LIR
-
LHR
1 stop34h 35m
Multiple Airlines
Deal found 20/3£661

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 24 March 2026.

Round-trip from

£581

One-way from

£278

Popular in

December

Cheapest in

September

Average price

£696
JetBlue
  • JetBlue
  • 6/5-13/5
  • 2 total stops
  • 59h 10m total
  • London to Costa Rica
Search Deals
21/4
  • 21/4
  • 2 total stops
  • 19h 50m 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 (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 24 March 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

Fri 24/4

22:05-15:25

1 stop24h 20m

San José Juan Santamaria Intl

Sun 3/5

09:25-15:35

1 stop23h 10m

£610

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 4/5

07:30-12:10

2 stops35h 40m

Liberia

Mon 11/5

11:49-12:25

1 stop17h 36m

£681

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 4/6

09:30-07:15

2 stops28h 45m

San José Juan Santamaria Intl

Sun 7/6

00:30-10:40

2 stops27h 10m

£690

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 9/4

07:30-20:19

2 stops19h 49m

San José Juan Santamaria Intl

Thu 16/4

07:55-12:25

2 stops21h 30m

£690

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 24/4

07:30-21:15

2 stops20h 45m

San José Juan Santamaria Intl

Sun 26/4

12:44-16:25

2 stops20h 41m

£691

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 6/6

07:30-07:15

2 stops30h 45m

San José Juan Santamaria Intl

Fri 19/6

00:30-07:15

2 stops23h 45m

£697

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 13/4

10:00-12:10

1 stop33h 10m

Liberia

Tue 28/4

13:20-11:35

1 stop15h 15m

£705

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 24/6

13:40-14:25

1 stop31h 45m

Liberia

Wed 8/7

11:10-11:35

1 stop17h 25m

£705

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 11/4

14:10-12:10

2 stops29h 00m

Liberia

Wed 29/4

13:20-11:35

1 stop15h 15m

£705

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 21/4

11:25-12:10

2 stops31h 45m

Liberia

Tue 5/5

13:20-11:35

1 stop15h 15m

£705

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 38 resultsSorted by cheapest first
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3
4

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 £462). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £597). 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 24 March 2026.
See what other customers who have flown with KLM,United Airlines, andAmerican 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
7.8
Good
1,477 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

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
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

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
9,467 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

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
American Airlines
7.1
Good
11,492 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

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
10,836 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

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
7,864 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

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 24h 20m. Avianca provides one of the quickest options available for as low as £610. 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 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 £494. Users have also found prices from £516 and £681 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 £462). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £597). 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£434Average£621FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£441Average£641FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£456Average£606FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£458Average£654FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£470Average£532FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£476Average£550FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest£517Average£652FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£547Average£636FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£548Average£797FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£555Average£746FlexibilityNo 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 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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