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Cheap flights from London Heathrow Airport to Costa Rica from £338

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
25 Jul — 1 Aug1
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 25 June 2026.

Mon 31/822:05
LHR
-
SJO
1 stop24h 20m
Avianca
Fri 30/401:50
SJO
-
LHR
1 stop30h 45m
Avianca
Deal found 23/6£666
Fri 3/706:00
LHR
-
SJO
1 stop15h 05m
SWISS
Fri 17/715:50
SJO
-
LHR
1 stop19h 00m
SWISS
Deal found 22/6£667
Sat 19/922:05
LHR
-
SJO
1 stop24h 20m
Avianca
Sat 3/1017:25
SJO
-
LHR
2 stops39h 10m
Avianca
Deal found 22/6£668
Sat 12/922:05
LHR
-
SJO
1 stop32h 50m
Avianca
Wed 23/916:35
SJO
-
LHR
2 stops40h 00m
Avianca
Deal found 23/6£669
Tue 15/922:05
LHR
-
SJO
1 stop32h 50m
Avianca
Sat 26/917:25
SJO
-
LHR
2 stops39h 10m
Avianca
Deal found 22/6£671
Thu 1/1017:15
LHR
-
SJO
1 stop27h 50m
Multiple Airlines
Wed 7/1007:10
SJO
-
LHR
1 stop21h 40m
Multiple Airlines
Deal found 24/6£672
Sat 27/620:05
LHR
-
SJO
1 stop23h 50m
Multiple Airlines
Sat 11/707:15
SJO
-
LHR
1 stop19h 45m
Multiple Airlines
Deal found 20/6£673
Fri 3/706:00
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Sat 11/707:15
SJO
-
LHR
1 stop19h 45m
Multiple Airlines
Deal found 22/6£674
Wed 9/919:30
LHR
-
SJO
1 stop29h 05m
Multiple Airlines
Tue 15/907:10
SJO
-
LHR
1 stop16h 25m
Multiple Airlines
Deal found 20/6£675
Wed 9/917:30
LHR
-
SJO
1 stop31h 05m
Multiple Airlines
Wed 23/907:10
SJO
-
LHR
1 stop16h 25m
Multiple Airlines
Deal found 21/6£675
Fri 27/1106:00
LHR
-
SJO
2 stops23h 15m
Air Canada
Sat 12/1209:50
SJO
-
LHR
1 stop15h 20m
Air Canada
Deal found 20/6£676
Sat 12/1215:00
LHR
-
LIR
1 stop28h 55m
Multiple Airlines
Wed 30/1214:55
LIR
-
LHR
1 stop35h 35m
Multiple Airlines
Deal found 22/6£685

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 25 June 2026.

Round-trip from

£666

One-way from

£338

Popular in

December

Cheapest in

September

Average price

£715

Good round-trip deal

£807 or less
Avianca
  • Avianca
  • 31/8-30/4
  • 2 total stops
  • 55h 05m total
  • London to Costa Rica
Search Deals
25/8
  • 25/8
  • 3 total stops
  • 59h 45m total
  • London to Costa Rica
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Costa Rica.
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 25 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 10/9

16:25-13:47

1 stop28h 22m

Liberia

Tue 15/9

14:47-21:40

2 stops23h 53m

£705

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 10/9

07:30-12:10

2 stops35h 40m

Liberia

Tue 15/9

13:20-11:35

1 stop15h 15m

£706

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 9/9

09:30-12:10

2 stops33h 40m

Liberia

Tue 15/9

13:20-11:35

1 stop15h 15m

£706

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 22/8

06:55-12:10

2 stops36h 15m

Liberia

Mon 31/8

13:20-11:35

1 stop15h 15m

£706

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 8/8

18:00-10:44

1 stop23h 44m

Liberia

Sun 30/8

13:20-09:40

2 stops37h 20m

£729

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 23/7

07:45-10:44

1 stop33h 59m

Liberia

Thu 6/8

11:49-20:40

2 stops25h 51m

£730

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 4/7

13:40-09:50

1 stop27h 10m

Liberia

Sat 18/7

13:20-21:20

2 stops25h 00m

£730

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 27/6

07:45-20:19

1 stop19h 34m

San José Juan Santamaria Intl

Mon 29/6

00:30-06:45

2 stops23h 15m

£738

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 4/7

10:00-19:37

1 stop16h 37m

San José Juan Santamaria Intl

Wed 8/7

00:30-05:55

2 stops22h 25m

£739
Fastest return journey

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 7/7

10:00-22:39

1 stop19h 39m

San José Juan Santamaria Intl

Tue 4/8

12:44-10:25

1 stop14h 41m

£744

Flights are sorted by cheapest return flights first.

Deals found on 21/6

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

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 £310). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £600). 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 25 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.
United Airlines
7.4
Good
9,888 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,888 reviews
United Airlines
7.4
Good
9,888 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.1
Good
11,757 reviews
United Airlines
7.4
Good
9,888 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Air Canada
7.1
Good
11,254 reviews
United Airlines
7.4
Good
9,888 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Lufthansa
6.8
Okay
8,092 reviews
United Airlines
7.4
Good
9,888 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Avianca
6.5
Okay
2,535 reviews
United Airlines
7.4
Good
9,888 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 28h 22m. British Airways provides one of the quickest options available for as low as £705. 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 flights from London Heathrow Airport to Costa Rica?

    The cheapest flight price from London Heathrow Airport to Costa Rica is £652. On average you can expect to pay £855. The most popular route, (London Heathrow - San José Juan Santamaria Intl), can usually be booked for £644.

  • 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 £310). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £600). 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 25 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£440Average£622FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£448Average£688FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£450Average£638FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£483Average£529FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£504Average£704FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£512Average£660FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£519Average£756FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£524Average£665FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£571Average£773FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£616Average£912FlexibilityNo 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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