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Cheap flights from London to Costa Rica from £337

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
9 Jul — 16 Jul1
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 9 June 2026.

Mon 15/622:05
LHR
-
SJO
1 stop24h 20m
Avianca
Mon 29/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 8/6£652
Thu 11/622:05
LHR
-
SJO
2 stops32h 10m
Avianca
Sun 14/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 6/6£653
Tue 3/1121:40
LHR
-
SJO
2 stops31h 35m
Avianca
Tue 10/1105:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 7/6£654
Thu 5/1118:40
LHR
-
SJO
2 stops34h 35m
Multiple Airlines
Thu 19/1108:35
SJO
-
LHR
2 stops18h 45m
Multiple Airlines
Deal found 6/6£655
Sat 20/618:35
LGW
-
SJO
1 stop25h 20m
SWISS
Sun 5/714:40
SJO
-
LGW
2 stops20h 10m
SWISS
Deal found 6/6£655
Wed 17/622:05
LHR
-
SJO
2 stops32h 10m
Avianca
Tue 14/705:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 5/6£656
Tue 1/1206:00
LHR
-
SJO
2 stops23h 15m
Multiple Airlines
Tue 15/1208:35
SJO
-
LHR
2 stops30h 00m
Multiple Airlines
Deal found 5/6£657
Sat 20/609:30
LHR
-
SJO
1 stop15h 05m
Lufthansa
Tue 23/619:25
SJO
-
LHR
1 stop15h 15m
Lufthansa
Deal found 6/6£658
Sat 5/909:30
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Sat 19/907:15
SJO
-
LHR
1 stop16h 15m
Multiple Airlines
Deal found 8/6£659
Sat 20/620:05
LHR
-
SJO
1 stop23h 50m
SWISS
Fri 3/715:50
SJO
-
LHR
1 stop19h 00m
SWISS
Deal found 9/6£660
Sat 20/618:35
LGW
-
SJO
1 stop25h 20m
SWISS
Fri 3/715:50
SJO
-
LGW
1 stop19h 00m
SWISS
Deal found 6/6£661
Fri 13/1121:40
LHR
-
SJO
1 stop17h 10m
Avianca
Mon 30/1105:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 6/6£662

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 9 June 2026.

Round-trip from

£652

One-way from

£337

Popular in

December

Cheapest in

September

Average price

£688

Good round-trip deal

£699 or less
Avianca
  • Avianca
  • 24/6-9/7
  • 2 total stops
  • 40h 55m total
  • London to Costa Rica
Search Deals
26/8
  • 26/8
  • 1 total stop
  • 32h 11m total
  • London to Costa Rica
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Costa Rica.
Search Deals

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 9 June 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

Cheapest return flight

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

Sat 20/6

18:35-12:55

1 stop25h 20m

San José Juan Santamaria Intl

Fri 3/7

15:50-17:50

1 stop19h 00m

£661

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 20/6

20:05-12:55

1 stop23h 50m

San José Juan Santamaria Intl

Fri 3/7

15:50-17:50

1 stop19h 00m

£666

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 13/7

16:40-14:25

2 stops28h 45m

Liberia

Thu 30/7

16:30-21:25

1 stop21h 55m

£726

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 12/11

18:00-13:10

2 stops25h 10m

Liberia

Mon 16/11

08:35-10:50

2 stops20h 15m

£726

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 4/7

16:00-10:44

1 stop25h 44m

Liberia

Mon 13/7

16:30-21:25

1 stop21h 55m

£726

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 10/8

13:40-12:10

1 stop29h 30m

Liberia

Wed 19/8

13:20-07:45

1 stop35h 25m

£726

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 17/7

18:00-12:10

2 stops25h 10m

Liberia

Fri 31/7

11:49-21:25

2 stops26h 36m

£726

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 22/8

13:40-12:10

1 stop29h 30m

Liberia

Mon 31/8

13:20-11:35

1 stop15h 15m

£731

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 16/7

16:00-10:44

1 stop25h 44m

Liberia

Tue 21/7

16:30-21:25

1 stop21h 55m

£731

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 24/7

08:00-10:11

2 stops33h 11m

San José Juan Santamaria Intl

Sat 29/8

08:45-07:25

1 stop39h 40m

£735

Flights are sorted by cheapest return flights first.

Deals found on 4/6

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, June is the cheapest month in which you can book a flight from London to Costa Rica (average of £356). Flying from London to Costa Rica in August is currently the most expensive (average of £1,138). 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.

How often are flights from London to Costa Rica delayed?

About 22% of weekly flights between London and Costa Rica have experienced delays in the past year, with the average delay time being 146 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 Tuesday 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 22% of flights being delayed.

How far ahead should I book a flight from London to Costa Rica?

To ensure you get the cheapest price possible for a flight from London to Costa Rica, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 9 June 2026.
Read reviews from past customers who have flown with United Airlines,Air Canada, andLufthansa 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.
United Airlines
7.4
Good
9,801 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,801 reviews
United Airlines
7.4
Good
9,801 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
11,154 reviews
United Airlines
7.4
Good
9,801 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
8,052 reviews
United Airlines
7.4
Good
9,801 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
8,035 reviews
United Airlines
7.4
Good
9,801 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Avianca
6.5
Okay
2,533 reviews
United Airlines
7.4
Good
9,801 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 20m. SWISS provides one of the quickest options available for as low as £746. 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 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.

  • What are the cheapest flights from London to Costa Rica?

    Looking for the cheapest flight from London to Costa Rica? While on average our users pay £984, our data indicates the cheapest price to be £843. The most popular route (London Heathrow - San José Juan Santamaria Intl), is priced around £531.

  • 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, June is the cheapest month in which you can book a flight from London to Costa Rica (average of £356). Flying from London to Costa Rica in August is currently the most expensive (average of £1,138). 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.
Heathrow to San José flights
Gatwick to San José flights
Heathrow to Panama City flights
London City to San José flights
Stansted to Panama City flights
Gatwick to Panama City flights
Stansted to San José flights
London City to Panama City flights
Luton to San José flights
Heathrow to Guatemala City flights
Heathrow to Philip S.W.Goldson flights
Gatwick to Guatemala City flights
Heathrow to San Salvador flights
Manchester to Panama City flights
Stansted to Guatemala City flights
Manchester to San José flights
Luton to Panama City flights
London City to Guatemala City flights
Gatwick to San Salvador flights
Heathrow to Liberia flights
Stansted to San Salvador flights
Heathrow to Managua flights
Gatwick to Managua flights
Gatwick to Liberia flights
London City to San Salvador flights
London City to Managua flights
Stansted to Managua flights
Gatwick to Philip S.W.Goldson flights
Edinburgh to Managua flights
Edinburgh to Panama City flights
London City to Liberia flights
Edinburgh to San José flights
Manchester to San Salvador flights
Birmingham to Panama City flights
Manchester to Philip S.W.Goldson flights
Newcastle upon Tyne to San José flights
Manchester to Managua flights
Manchester to Guatemala City flights
Birmingham to San José flights
Edinburgh to Guatemala City flights
Heathrow to Coxen Hole flights
Southampton to San Salvador flights
London City to San Pedro Sula flights
Manchester to Liberia flights
Gatwick to San Pedro Sula flights
Birmingham to San Salvador flights
Birmingham to Philip S.W.Goldson flights
Leeds to San José flights
Leeds to Panama City flights

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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£435Average£613FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£442Average£671FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£448Average£625FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£477Average£522FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£498Average£684FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£505Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£513Average£714FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£518Average£656FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£547Average£877FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£593Average£807FlexibilityNo 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 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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