Cheap flights from London Heathrow Airport to Costa Rica from £304

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheap 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 15 October 2025.

Round-trip from

£446

One-way from

£304

Popular in

December

Cheapest in

September

Average price

£625
Air Canada
  • Air Canada
  • 8/12-23/12
  • 2 total stops
  • 63h 45m total
  • London to Costa Rica
14/1
  • 14/1
  • 3 total stops
  • 36h 15m total
  • London to Costa Rica
Highest demand for flights based on searches. 7% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find 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 15 October 2025.

Mon 8/1213:25LHR - LIR
1 stop30h 25mAir Canada
Tue 23/1215:50LIR - LHR
1 stop33h 20mAir Canada
Deal found 13/10£446
Mon 8/1206:00LHR - LIR
2 stops21h 05mMultiple Airlines
Tue 23/1215:50LIR - LHR
1 stop33h 20mMultiple Airlines
Deal found 13/10£505
Tue 21/1011:30LHR - LIR
2 stops55h 40mUnited Airlines
Wed 29/1007:35LIR - LHR
2 stops21h 40mUnited Airlines
Deal found 13/10£506
Thu 30/1011:35LHR - LIR
1 stop33h 33mUnited Airlines
Fri 14/1108:35LIR - LHR
1 stop16h 55mUnited Airlines
Deal found 15/10£512
Thu 23/1010:00LHR - LIR
1 stop33h 10mUnited Airlines
Sun 2/1114:20LIR - LHR
1 stop35h 10mUnited Airlines
Deal found 14/10£513
Wed 22/1012:15LHR - LIR
2 stops30h 55mUnited Airlines
Sun 26/1011:50LIR - LHR
1 stop15h 50mUnited Airlines
Deal found 13/10£514
Tue 28/1016:20LHR - LIR
2 stops25h 50mUnited Airlines
Sat 8/1108:35LIR - LHR
1 stop16h 55mUnited Airlines
Deal found 13/10£520
Tue 21/1020:05LHR - LIR
2 stops26h 20mSWISS
Wed 29/1018:00LIR - LHR
1 stop16h 20mSWISS
Deal found 13/10£545
Tue 23/1218:00LHR - SJO
1 stop34h 55mAir Canada
Tue 30/1208:35SJO - LHR
1 stop15h 55mAir Canada
Deal found 13/10£570
Mon 24/1108:05LHR - SJO
1 stop20h 48mJetBlue
Fri 12/1216:15SJO - LHR
1 stop23h 45mJetBlue
Deal found 13/10£572
Sun 28/1213:25LHR - SJO
1 stop15h 50mAir Canada
Wed 21/108:35SJO - LHR
1 stop20h 45mAir Canada
Deal found 13/10£573
Sun 2/1109:20LHR - SJO
2 stops33h 36mIcelandair
Sun 15/314:00SJO - LHR
1 stop24h 45mIcelandair
Deal found 13/10£574

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 15 October 2025.
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 8/12

13:25-13:50

1 stop30h 25m

Liberia

Tue 23/12

15:50-07:10

1 stop33h 20m

£446

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 14/1

13:25-14:55

1 stop31h 30m

Liberia

Wed 21/1

16:00-07:10

1 stop33h 10m

£481

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 14/1

13:25-14:55

1 stop31h 30m

Liberia

Sun 18/1

15:45-06:30

1 stop32h 45m

£485

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 30/10

10:05-12:10

2 stops32h 05m

Liberia

Fri 14/11

08:35-07:30

1 stop16h 55m

£512

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 28/11

15:20-15:51

1 stop30h 31m

Liberia

Fri 5/12

08:35-07:30

1 stop16h 55m

£513

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 27/11

13:25-13:10

2 stops29h 45m

Liberia

Thu 4/12

08:35-07:30

1 stop16h 55m

£514

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 16/1

19:15-18:55

2 stops29h 40m

San José Juan Santamaria Intl

Sat 31/1

20:40-17:45

1 stop15h 05m

£567

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 13/2

10:00-20:39

1 stop16h 39m

San José Juan Santamaria Intl

Fri 20/2

08:45-07:30

1 stop16h 45m

£585

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 23/2

13:45-08:32

1 stop24h 47m

San José Juan Santamaria Intl

Tue 3/3

08:45-11:05

2 stops20h 20m

£587

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 23/1

10:00-20:39

1 stop16h 39m

San José Juan Santamaria Intl

Fri 27/2

08:45-10:15

1 stop19h 30m

£588

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £494). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £596). 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?

Find hourly flight availability from Heathrow to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 October 2025.

It’s typically best to fly out from London Heathrow Airport to Costa Rica in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Costa Rica?

Use this chart to determine the cheapest time to fly return from Heathrow to Costa Rica. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Costa Rica flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 October 2025.
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.

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 29h 40m. Air Canada provides one of the quickest options available for as low as £567. London Heathrow Airport and Costa Rica are separated by a distance of 5407 mi. This flight may include one or multiple stops.

  • 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £494). Flying from London Heathrow Airport to Costa Rica in July is currently the most expensive (average of £596). 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

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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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£451Average£543FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£474Average£551FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£500Average£589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£528Average£680FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£529Average£640FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£564Average£642FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£570Average£644FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£573Average£656FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AviancaCheapest£575Average£629FlexibilityNo cancel feeOn-time71%
Search Avianca flights
British AirwaysCheapest£622Average£912FlexibilityNo cancel feeOn-time70%
Search British Airways 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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