Cheap flights from London to Costa Rica from £334

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
19 aug. — 26 aug.1
1 adult

Cheap flight deals from London to Costa Rica

Keep the following information in mind while searching for London to Costa Rica flight deals. Data was last updated 14 august 2025.

Round-trip from

£503

One-way from

£334

Popular in

December

Cheapest in

October

Average price

£710

Good round-trip deal

£702 or less

Good one-way deal

£616 or less
Air Canada
  • Air Canada
  • 15/11-3/12
  • 2 total stops
  • 59h 30m total
  • London to Costa Rica
9/2
  • 9/2
  • 3 total stops
  • 41h 10m total
  • London to Costa Rica
Highest demand for flights based on searches. 8% potential increase in price (£45 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London (LON) to Costa Rica.
Price to beat on a one-way flight from London (LON) to Costa Rica.

Find flight deals from London to Costa Rica

Cheapest flights from London to Costa Rica
Explore the most affordable flight options available from London to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 august 2025.

lør. 15/1118:00LHR - LIR
1 stop26h 45mAir Canada
ons. 3/1215:45LIR - LHR
1 stop32h 45mAir Canada
Deal found 13/8£503
lør. 29/1109:00LHR - SJO
2 stops20h 15mAir Canada
fre. 12/1208:35SJO - LHR
2 stops16h 35mAir Canada
Deal found 13/8£573
tor. 4/1214:00LGW - SJO
1 stop27h 27mMultiple Airlines
fre. 12/1201:16SJO - LGW
2 stops26h 49mMultiple Airlines
Deal found 13/8£573
lør. 15/1109:00LHR - LIR
2 stops35h 45mMultiple Airlines
ons. 3/1215:45LIR - LHR
1 stop34h 45mMultiple Airlines
Deal found 13/8£573
søn. 30/1106:50LHR - SJO
2 stops22h 25mAir Canada
man. 8/1208:50SJO - LHR
1 stop16h 20mAir Canada
Deal found 13/8£573
man. 8/917:40LHR - SJO
1 stop36h 15mAir Canada
ons. 17/908:00SJO - LHR
1 stop20h 50mAir Canada
Deal found 13/8£574
tor. 4/912:10LGW - SJO
2 stops31h 50mIcelandair
man. 15/913:00SJO - LGW
2 stops37h 35mIcelandair
Deal found 14/8£574
lør. 13/908:30LHR - SJO
1 stop21h 25mAir Canada
lør. 27/908:00SJO - LHR
1 stop15h 35mAir Canada
Deal found 12/8£575
tir. 11/1107:25LHR - SJO
2 stops35h 31mIcelandair
tor. 20/1117:28SJO - LHR
2 stops45h 17mIcelandair
Deal found 13/8£576
lør. 6/1206:50LHR - SJO
2 stops22h 25mAir Canada
tor. 11/1208:35SJO - LHR
2 stops16h 35mAir Canada
Deal found 12/8£577
søn. 7/1213:00LGW - SJO
2 stops33h 10mMultiple Airlines
man. 15/1205:00SJO - LGW
2 stops19h 00mMultiple Airlines
Deal found 13/8£577
man. 8/908:45LCY - SJO
2 stops45h 10mMultiple Airlines
ons. 17/908:00SJO - LCY
2 stops27h 35mMultiple Airlines
Deal found 12/8£578

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 14 august 2025.
Use the filters below to find and compare flights from London to Costa Rica that are best for you.

Fly from

London

Fly to

Costa Rica

Route

Depart

Return

Price

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

lør. 15/11

18:00-14:45

1 stop26h 45m

Liberia

ons. 3/12

15:45-06:30

1 stop32h 45m

£503

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

søn. 18/1

11:05-14:55

2 stops57h 50m

Liberia

ons. 28/1

15:55-07:10

1 stop33h 15m

£556

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

lør. 15/11

09:00-14:45

2 stops35h 45m

Liberia

ons. 3/12

15:45-08:30

1 stop34h 45m

£573

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

tor. 6/11

18:00-22:55

1 stop34h 55m

San José Juan Santamaria Intl

tor. 20/11

08:35-08:30

1 stop17h 55m

£574

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

tor. 5/2

14:00-11:27

1 stop27h 27m

San José Juan Santamaria Intl

tor. 19/2

12:22-10:00

1 stop15h 38m

£576

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

lør. 6/12

06:50-23:15

2 stops22h 25m

San José Juan Santamaria Intl

ons. 24/12

08:50-07:10

1 stop16h 20m

£576

LondonSan José

LCY - SJO

LCYSJO

London City

man. 8/9

08:45-22:55

2 stops45h 10m

San José Juan Santamaria Intl

ons. 17/9

08:00-18:35

2 stops27h 35m

£578

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

tor. 27/11

14:00-11:27

1 stop27h 27m

San José Juan Santamaria Intl

fre. 12/12

12:22-10:00

1 stop15h 38m

£578

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

man. 8/12

14:00-11:27

1 stop27h 27m

San José Juan Santamaria Intl

man. 15/12

12:22-10:00

1 stop15h 38m

£578

LondonSan José

LCY - SJO

LCYSJO

London City

tor. 11/9

08:45-17:35

1 stop15h 50m

San José Juan Santamaria Intl

ons. 24/9

14:40-18:45

2 stops21h 05m

£581

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 60 results
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Best time to book a flight from London to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from London 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 to Costa Rica

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

Currently, October is the cheapest month in which you can book a flight from London to Costa Rica (average of £769). Flying from London 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 LON to CR?

Find hourly flight availability from London 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 14 august 2025.

When flying from London 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.

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

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

Travellers seeking maximum savings on their London to Costa Rica flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings 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 14 august 2025.
Read reviews from past customers who have flown with KLM, United Airlines, andAir Canada from London to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from London to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from London to Costa Rica?

  • Can I find deals for flights from London to Costa Rica that include hotel bookings?

    Yes. In addition to deals on London to Costa Rica flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Costa Rica.

  • Can I find deals for business class flights from London to Costa Rica?

    Yes. Cheapflights offers flight deals from London 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 to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from London to Costa Rica (average of £769). Flying from London 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to Costa Rica

Discover the top 10 airlines that operate flights from London 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 14 august 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£443Average£554FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TUI AirwaysCheapest£448Average£570FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
JetBlueCheapest£454Average£561FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£504Average£576FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£518Average£668FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£520Average£732FlexibilityNo cancel feeOn-time75%
Search KLM flights
AviancaCheapest£543Average£661FlexibilityNo cancel feeOn-time71%
Search Avianca flights
LufthansaCheapest£555Average£633FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£560Average£630FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£563Average£640FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Costa Rica?

When you search for this flight from London to Costa Rica, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Costa Rica?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Costa Rica from London.

Can Cheapflights find flights from London to Costa Rica with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Costa Rica, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Costa Rica become cheaper?

Of course! You can now track prices for flights from London to Costa Rica and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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