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Cheap flights from London Heathrow Airport to Costa Rica from £364

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
12 Feb — 19 Feb1
1 adult

Cheap flight deals from Heathrow to Costa Rica

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Costa Rica (CR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 February 2025.

Round-trip from

£595

One-way from

£364

Popular in

December

Cheapest in

May

Average price

£664
Air Canada
  • Air Canada
  • 12/4-24/4
  • 3 total stops
  • 68h 15m total
  • London to Costa Rica
8/4
  • 8/4
  • 3 total stops
  • 43h 59m total
  • London to Costa Rica
Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Heathrow to Costa Rica

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 7 February 2025.

Sat 12/415:50LHR - SJO
1 stop36h 30mAir Canada
Thu 24/406:15SJO - LHR
1 stop20h 45mAir Canada
Deal found 6/2£595
Tue 18/320:05LHR - LIR
2 stops26h 55mMultiple Airlines
Tue 8/416:35LIR - LHR
1 stop21h 05mMultiple Airlines
Deal found 6/2£598
Mon 1/919:45LHR - SJO
1 stop28h 40mMultiple Airlines
Thu 11/913:18SJO - LHR
1 stop34h 57mMultiple Airlines
Deal found 6/2£599
Tue 18/221:40LHR - SJO
1 stop22h 30mAvianca
Tue 20/510:10SJO - LHR
1 stop22h 25mAvianca
Deal found 6/2£604
Tue 25/213:30LHR - SJO
2 stops29h 12mLufthansa
Tue 11/311:35SJO - LHR
2 stops17h 15mLufthansa
Deal found 6/2£606
Fri 14/1114:30LHR - LIR
1 stop29h 10mAir Canada
Wed 26/1114:55LIR - LHR
1 stop33h 35mAir Canada
Deal found 6/2£607
Sun 9/316:10LHR - LIR
1 stop27h 10mKLM
Sun 16/314:45LIR - LHR
1 stop13h 50mKLM
Deal found 6/2£610
Tue 11/212:30LHR - SJO
1 stop30h 24mKLM
Tue 18/207:00SJO - LHR
1 stop18h 55mKLM
Deal found 6/2£613
Wed 26/207:30LHR - SJO
2 stops18h 23mUnited Airlines
Mon 17/305:30SJO - LHR
1 stop20h 00mUnited Airlines
Deal found 6/2£623
Tue 8/414:05LHR - LIR
2 stops29h 05mUnited Airlines
Mon 21/415:25LIR - LHR
2 stops31h 55mUnited Airlines
Deal found 6/2£636
Mon 16/606:15LHR - SJO
1 stop18h 10mAir France
Sun 22/613:11SJO - LHR
1 stop17h 19mAir France
Deal found 6/2£644
Tue 8/410:00LHR - LIR
1 stop33h 10mLufthansa
Mon 21/415:25LIR - LHR
1 stop33h 15mLufthansa
Deal found 6/2£668

Find flights from Heathrow to Costa Rica within your budget

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 7 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 12/4

15:50-21:20

1 stop36h 30m

San José Juan Santamaria Intl

Sat 31/5

07:55-21:00

2 stops30h 05m

£595

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 18/3

20:05-17:00

2 stops26h 55m

Liberia

Tue 8/4

16:35-20:40

1 stop21h 05m

£598

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 20/3

06:50-18:53

2 stops18h 03m

San José Juan Santamaria Intl

Thu 3/4

06:15-06:30

2 stops17h 15m

£603

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 18/2

21:40-14:10

1 stop22h 30m

San José Juan Santamaria Intl

Tue 20/5

10:10-15:35

1 stop22h 25m

£604

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 25/2

13:30-12:42

2 stops29h 12m

San José Juan Santamaria Intl

Tue 11/3

11:35-10:50

2 stops17h 15m

£606

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 27/4

19:45-17:25

1 stop28h 40m

San José Juan Santamaria Intl

Thu 8/5

13:11-07:15

1 stop35h 04m

£606

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sun 9/3

16:10-13:20

1 stop27h 10m

Liberia

Sun 16/3

14:45-10:35

1 stop13h 50m

£610

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 26/2

07:30-19:53

2 stops18h 23m

San José Juan Santamaria Intl

Mon 17/3

05:30-07:30

1 stop20h 00m

£623

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 8/3

16:10-11:56

1 stop25h 46m

San José Juan Santamaria Intl

Sat 15/3

07:00-06:20

1 stop17h 20m

£632

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 8/4

14:05-12:10

2 stops29h 05m

Liberia

Tue 22/4

13:20-11:35

1 stop15h 15m

£636

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 30 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.

Travel insights for flights from Heathrow to Costa Rica

Get recent, data-driven insights about flights from Heathrow to Costa Rica including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Costa Rica (average of £769). Flying from London Heathrow Airport to Costa Rica in December is currently the most expensive (average of £1,101). 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 7 February 2025.

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.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 300.0 inches per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 mm.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

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 7 February 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from London to Costa Rica by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

8.0
Very Good

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Boarding

8.2

Crew

8.5