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Cheap flights from London to Costa Rica from £247

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

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 4 November 2025.

Round-trip from

£480

One-way from

£247

Popular in

December

Cheapest in

September

Average price

£653

Good round-trip deal

£722 or less

Good one-way deal

£667 or less
SWISS
  • SWISS
  • 19/11-3/12
  • 2 total stops
  • 48h 15m total
  • London to Costa Rica
Search Deals
29/1
  • 29/1
  • 1 total stop
  • 27h 27m total
  • London to Costa Rica
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Costa Rica.
Search Deals
Price to beat on a one-way flight from London (LON) to Costa Rica.
Search Deals

Find flight deals from London to Costa Rica

Enter your travel dates to find the best prices.

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 4 November 2025.

Wed 19/1113:25LHR - LIR
1 stop30h 25mMultiple Airlines
Wed 3/1218:00LIR - LHR
1 stop17h 50mMultiple Airlines
Deal found 3/11£480
Thu 11/1210:00LHR - LIR
1 stop33h 10mUnited Airlines
Mon 15/1208:35LIR - LHR
1 stop19h 40mUnited Airlines
Deal found 2/11£514
Mon 1/1218:00LHR - LIR
2 stops30h 37mUnited Airlines
Mon 8/1208:35LIR - LHR
2 stops19h 50mUnited Airlines
Deal found 3/11£518
Fri 14/1113:45LHR - LIR
2 stops29h 25mUnited Airlines
Sat 6/1214:01LIR - LHR
1 stop15h 14mUnited Airlines
Deal found 3/11£521
Mon 24/1109:55LHR - SJO
2 stops17h 10mAmerican Airlines
Thu 27/1107:00SJO - LHR
1 stop17h 50mAmerican Airlines
Deal found 4/11£524
Mon 8/1209:55LHR - SJO
2 stops16h 54mAmerican Airlines
Mon 15/1207:00SJO - LHR
1 stop17h 50mAmerican Airlines
Deal found 3/11£525
Tue 2/1214:55LGW - SJO
2 stops29h 10mMultiple Airlines
Tue 9/1220:40SJO - LGW
2 stops18h 55mMultiple Airlines
Deal found 3/11£530
Tue 11/1118:40LGW - SJO
1 stop25h 25mSWISS
Wed 26/1115:50SJO - LGW
2 stops20h 00mSWISS
Deal found 2/11£537
Tue 2/1210:50LTN - SJO
2 stops33h 15mMultiple Airlines
Tue 9/1220:40SJO - LTN
2 stops18h 35mMultiple Airlines
Deal found 3/11£538
Sat 22/1112:05LHR - SJO
2 stops41h 10mAir Canada
Thu 4/1208:35SJO - LHR
1 stop20h 45mAir Canada
Deal found 3/11£538
Sat 15/1108:00LHR - SJO
1 stop17h 53mMultiple Airlines
Sat 22/1120:40SJO - LHR
1 stop16h 05mMultiple Airlines
Deal found 4/11£539
Sun 9/1113:25LHR - SJO
1 stop15h 50mAir Canada
Sun 16/1108:35SJO - LHR
1 stop15h 55mAir Canada
Deal found 2/11£543

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 4 November 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

Wed 19/11

13:25-13:50

1 stop30h 25m

Liberia

Wed 3/12

18:00-17:50

1 stop17h 50m

£480

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 13/4

09:30-12:10

2 stops33h 40m

Liberia

Wed 22/4

11:49-12:20

1 stop17h 31m

£508

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 11/12

10:00-13:10

1 stop33h 10m

Liberia

Mon 15/12

08:35-10:15

1 stop19h 40m

£514

LondonLiberia

LCY - LIR

LCYLIR

London City

Tue 13/1

09:50-13:10

3 stops33h 20m

Liberia

Wed 28/1

08:35-12:55

3 stops22h 20m

£515

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 13/2

16:00-13:00

2 stops27h 00m

Liberia

Mon 23/2

08:35-07:30

1 stop16h 55m

£520

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 20/1

10:00-13:10

1 stop33h 10m

Liberia

Sat 31/1

08:35-07:30

1 stop16h 55m

£520

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 19/3

12:00-10:24

2 stops28h 24m

Liberia

Tue 31/3

11:49-12:20

1 stop17h 31m

£520

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 26/3

10:00-10:24

1 stop30h 24m

Liberia

Thu 9/4

11:49-12:20

1 stop17h 31m

£520

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 13/1

16:20-13:10

2 stops26h 50m

Liberia

Wed 28/1

08:35-09:40

2 stops19h 05m

£520

LondonSan José

LTN - SJO

LTNSJO

London Luton

Tue 2/12

10:50-14:05

2 stops33h 15m

San José Juan Santamaria Intl

Tue 9/12

20:40-21:15

2 stops18h 35m

£538

Flights are sorted by cheapest return flights first.

Deals found on 2/11

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, November is the cheapest month in which you can book a flight from London to Costa Rica (average of £485). Flying from London to Costa Rica in July is currently the most expensive (average of £604). 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 4 November 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from London to Costa Rica by exploring options for tickets in the afternoon.

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 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 4 November 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.
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.7

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.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.7

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.
United Airlines
7.4
Good
8,998 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.7

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.
Air Canada
7.1
Good
10,400 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.7

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.
Lufthansa
6.8
Okay
7,547 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.7

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.
British Airways
6.7
Okay
7,494 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.7

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 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.

  • How long is the flight from London to Costa Rica?

    A quick flight from London to Costa Rica can take about 15h 10m. United Airlines provides one of the quickest options available for as low as £660. Airlines will cover a distance of 5429 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from London to Costa Rica one-way?

    £344 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Avianca and KLM, with prices starting from £348 and £480, respectively.

  • What are the most popular routes from London to Costa Rica?

    The most popular flight routes from London to Costa Rica are London Heathrow - San José Juan Santamaria Intl, London Gatwick - San José Juan Santamaria Intl and London City - San José Juan Santamaria Intl.

  • 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, November is the cheapest month in which you can book a flight from London to Costa Rica (average of £485). Flying from London to Costa Rica in July is currently the most expensive (average of £604). 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.

Alternative routes for London to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to San José flights
London City to San José flights
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Manchester to Liberia flights
Edinburgh to Guatemala City flights
Birmingham to San Salvador flights
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Birmingham to Philip S.W.Goldson flights
Manchester to San Salvador flights
Heathrow to Coxen Hole flights
Stansted to San Salvador flights
Birmingham to Panama City flights
Newcastle upon Tyne to San José flights
Edinburgh to Panama City flights
Leeds to San José flights
Manchester to Managua flights
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Southampton to San José flights
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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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£453Average£500FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
IcelandairCheapest£457Average£578FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£484Average£576FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£503Average£596FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£535Average£690FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£536Average£647FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£570Average£650FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
AviancaCheapest£573Average£635FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£578Average£650FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£580Average£667FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 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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