Cheap flights from London to Costa Rica from £327

LON — SJO
10 Dec — 17 Dec1
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

Mon 23/1117:50 -
1 stop29h 40m
Thu 26/1118:20 -
2 stops17h 00m
Deal found 6/11£656
Mon 23/1112:40 -
1 stop15h 35m
Sun 29/1119:30 -
1 stop15h 30m
Deal found 10/11£656
Mon 23/1121:35 -
1 stop32h 55m
Tue 8/1217:15 -
1 stop15h 20m
Deal found 7/11£658
Mon 23/1121:35 -
1 stop17h 15m
Thu 10/1217:15 -
1 stop15h 20m
Deal found 7/11£659
Wed 18/1121:35 -
2 stops46h 20m
Wed 9/1210:00 -
2 stops22h 35m
Deal found 7/11£659
Sun 15/1116:00 -
1 stop36h 15m
Tue 15/1217:53 -
2 stops16h 12m
Deal found 9/11£660
Tue 17/1121:35 -
1 stop17h 15m
Sat 28/1117:15 -
1 stop15h 20m
Deal found 9/11£661
Sat 21/1121:35 -
1 stop17h 15m
Mon 23/1109:30 -
1 stop23h 05m
Deal found 8/11£662
Mon 16/1121:35 -
1 stop17h 15m
Wed 9/1217:15 -
1 stop15h 20m
Deal found 7/11£662
Wed 18/1121:35 -
1 stop17h 15m
Mon 30/1117:15 -
1 stop15h 20m
Deal found 10/11£663
Wed 25/1121:35 -
1 stop17h 15m
Fri 4/1217:15 -
1 stop15h 20m
Deal found 10/11£664
Thu 26/1121:35 -
2 stops41h 00m
Wed 2/1210:00 -
2 stops22h 35m
Deal found 9/11£665

Find flight deals from London to Costa Rica

Round-trip from

£656

One-way from

£327

Popular in

December

Cheapest in

May

Average price

£726

Good round-trip deal

£695 or less
KLM
  • KLM
  • 23/11-26/11
  • 3 total stops
  • 46h 40m total
  • London to Costa Rica
8/3-31/12
  • 8/3-31/12
  • 2 total stops
  • 20h 05m total
  • London to Costa Rica
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London (LON) to Costa Rica.

Cheapflights Fare Finder

 
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

LondonLiberia

LTN London Luton - LIR Liberia

LTNLIR

London Luton

Sun 28/2

07:45-09:05

3 stops55h 20m

Liberia

Wed 31/12

00:00-07:00

Nonstop0h 00m

£390

LondonSan José

LGW London Gatwick - SJO San José Juan Santamaria Intl

LGWSJO

London Gatwick

Thu 21/1

16:50-00:30

2 stops37h 40m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£391

LondonLiberia

LTN London Luton - LIR Liberia

LTNLIR

London Luton

Sat 6/3

07:35-14:20

2 stops36h 45m

Liberia

Wed 31/12

00:00-07:00

Nonstop0h 00m

£419

LondonSan José

STN London Stansted - SJO San José Juan Santamaria Intl

STNSJO

London Stansted

Sat 23/1

18:50-00:30

3 stops35h 40m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£421

LondonSan José

LTN London Luton - SJO San José Juan Santamaria Intl

LTNSJO

London Luton

Sun 24/1

06:00-00:30

2 stops24h 30m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£422

LondonLiberia

LTN London Luton - LIR Liberia

LTNLIR

London Luton

Sun 7/3

21:45-14:20

3 stops46h 35m

Liberia

Wed 31/12

00:00-07:00

Nonstop0h 00m

£425

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Sun 21/3

20:25-17:30

1 stop27h 05m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£441

LondonSan José

LHR London Heathrow - SJO San José Juan Santamaria Intl

LHRSJO

London Heathrow

Tue 20/4

08:40-18:34

2 stops16h 54m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£442

LondonSan José

LGW London Gatwick - SJO San José Juan Santamaria Intl

LGWSJO

London Gatwick

Thu 14/1

21:00-08:50

2 stops41h 50m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£450

LondonLiberia

LTN London Luton - LIR Liberia

LTNLIR

London Luton

Mon 1/3

07:45-09:05

3 stops31h 20m

Liberia

Wed 31/12

00:00-07:00

Nonstop0h 00m

£462

Flights are sorted by cheapest return flights first.

Deals found on 10/11

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

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, May is the cheapest month in which you can book a flight from London to Costa Rica (average of £653). Flying from London to Costa Rica in December is currently the most expensive (average of £894). 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?

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 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 64 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

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.

Food

6.7

Boarding

7.7

Overall

7.3

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Food

6.7

Boarding

7.7

Overall

7.3

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Food

6.7

Boarding

7.7

Overall

7.3

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Food

6.7

Boarding

7.7

Overall

7.3

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Food

6.7

Boarding

7.7

Overall

7.3

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Food

6.7

Boarding

7.7

Overall

7.3

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

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

    A quick flight from London to Costa Rica can take about 17h 15m. KLM provides one of the quickest options available for as low as £679. Airlines will cover a distance of 5407 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?

  • 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 £860, our data indicates the cheapest price to be £656. The most popular route (London Heathrow - San José Juan Santamaria Intl), is priced around £606.

  • 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, May is the cheapest month in which you can book a flight from London to Costa Rica (average of £653). Flying from London to Costa Rica in December is currently the most expensive (average of £894). 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

Alternative routes for London to Costa Rica

Top 10 airlines flying from London to Costa Rica

AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£433Average£614FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£440Average£759FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£455Average£659FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£515Average£666FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£561Average£877FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£598Average£736FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£603Average£775FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£606Average£942FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£618Average£852FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£681Average£910FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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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