Cheap flights from London to Costa Rica from £270

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 March 2026.

Wed 15/408:40
LHR
-
LIR
2 stops18h 25m
SWISS
Wed 22/421:15
LIR
-
LHR
1 stop15h 05m
SWISS
Deal found 1/3£577
Fri 20/1107:40
LHR
-
LIR
2 stops36h 15m
Multiple Airlines
Tue 1/1214:55
LIR
-
LHR
1 stop33h 35m
Multiple Airlines
Deal found 26/2£579
Tue 14/420:05
LHR
-
LIR
2 stops31h 00m
Multiple Airlines
Tue 21/414:45
LIR
-
LHR
1 stop14h 05m
Multiple Airlines
Deal found 28/2£598
Wed 29/409:20
LGW
-
LIR
2 stops17h 45m
SWISS
Mon 25/516:35
LIR
-
LGW
1 stop32h 50m
SWISS
Deal found 26/2£598
Fri 11/906:00
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Wed 30/908:00
SJO
-
LHR
2 stops19h 00m
Multiple Airlines
Deal found 26/2£599
Sat 5/910:25
LGW
-
SJO
1 stop13h 35m
Air France
Sun 27/919:05
SJO
-
LGW
1 stop13h 45m
Air France
Deal found 26/2£599
Fri 20/1113:25
LHR
-
LIR
1 stop30h 15m
Air Canada
Tue 1/1214:55
LIR
-
LHR
1 stop33h 35m
Air Canada
Deal found 26/2£600
Thu 5/321:40
LHR
-
SJO
1 stop17h 10m
Avianca
Mon 16/309:45
SJO
-
LHR
1 stop22h 50m
Avianca
Deal found 26/2£600
Sun 25/1006:00
LHR
-
SJO
2 stops22h 15m
Air Canada
Sat 7/1108:50
SJO
-
LHR
1 stop16h 20m
Air Canada
Deal found 1/3£600
Sun 31/517:00
LGW
-
SJO
1 stop31h 00m
Air France
Sat 20/619:05
SJO
-
LGW
1 stop13h 55m
Air France
Deal found 27/2£600
Wed 15/412:05
LHR
-
LIR
1 stop32h 35m
Air Canada
Wed 22/414:45
LIR
-
LHR
1 stop14h 05m
Air Canada
Deal found 1/3£602
Sun 25/1006:00
LHR
-
SJO
2 stops22h 15m
Multiple Airlines
Mon 9/1108:50
SJO
-
LHR
2 stops17h 15m
Multiple Airlines
Deal found 26/2£603

Find 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 1 March 2026.

Round-trip from

£577

One-way from

£270

Popular in

December

Cheapest in

September

Average price

£666

Good round-trip deal

£871 or less
SWISS
  • SWISS
  • 15/4-22/4
  • 3 total stops
  • 33h 30m total
  • London to Costa Rica
10/4
  • 10/4
  • 1 total stop
  • 26h 01m total
  • London to Costa Rica
Highest demand for flights based on searches. 6% potential increase in price (£32 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from London (LON) to Costa Rica.

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 1 March 2026.
Use the filters below to find and compare flights from London to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLiberia

LGW - LIR

LGWLIR

London Gatwick

Wed 29/4

09:20-20:05

2 stops17h 45m

Liberia

Mon 25/5

16:35-08:25

1 stop32h 50m

£598

LondonSan José

LCY - SJO

LCYSJO

London City

Fri 29/5

20:15-16:20

1 stop27h 05m

San José Juan Santamaria Intl

Thu 11/6

18:25-18:30

1 stop17h 05m

£611

LondonSan José

LCY - SJO

LCYSJO

London City

Thu 28/5

10:00-16:20

1 stop13h 20m

San José Juan Santamaria Intl

Thu 11/6

18:25-18:30

1 stop17h 05m

£611

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 29/4

07:00-20:05

3 stops20h 05m

Liberia

Mon 25/5

16:35-17:50

1 stop18h 15m

£617

LondonSan José

LCY - SJO

LCYSJO

London City

Mon 1/6

17:50-16:20

1 stop29h 30m

San José Juan Santamaria Intl

Sat 20/6

18:25-18:30

1 stop17h 05m

£620

LondonSan José

LCY - SJO

LCYSJO

London City

Wed 27/5

09:15-17:35

1 stop15h 20m

San José Juan Santamaria Intl

Wed 10/6

19:20-18:40

2 stops16h 20m

£626

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 11/3

06:50-18:53

2 stops18h 03m

San José Juan Santamaria Intl

Sat 28/3

00:30-07:40

1 stop24h 10m

£628

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 16/4

07:30-20:19

2 stops19h 49m

San José Juan Santamaria Intl

Sat 2/5

06:00-06:45

2 stops41h 45m

£639

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 17/3

13:35-11:55

1 stop28h 20m

Liberia

Tue 24/3

07:35-07:30

1 stop17h 55m

£642

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 30/3

13:00-07:15

1 stop25h 15m

San José Juan Santamaria Intl

Wed 8/4

07:55-07:40

1 stop16h 45m

£649

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £460). Flying from London to Costa Rica in July is currently the most expensive (average of £591). 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 1 March 2026.

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.

How often are flights from London to Costa Rica delayed?

About 25% of weekly flights between London and Costa Rica have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for London to Costa Rica flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Costa Rica flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 25% of flights being delayed.

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 1 March 2026.
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.

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 17h 45m. SWISS provides one of the quickest options available for as low as £598. Airlines will cover a distance of 5446 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?

    £489 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on KLM and British Airways, with prices starting from £512 and £591, respectively.

  • 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, November is the cheapest month in which you can book a flight from London to Costa Rica (average of £460). Flying from London to Costa Rica in July is currently the most expensive (average of £591). 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 1 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£463Average£581FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£465Average£528FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£472Average£564FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£500Average£740FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£507Average£672FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£512Average£647FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£521Average£701FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£541Average£628FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£543Average£736FlexibilityNo cancel feeOn-time75%
Search KLM flights
AviancaCheapest£545Average£626FlexibilityNo cancel feeOn-time71%
Search Avianca 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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