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Cheap flights from the United Kingdom to Costa Rica from £326

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJO
30 Jun — 7 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Costa Rica
Explore the most affordable flight options available from United Kingdom to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 May 2026.

Tue 16/613:40
LTN
-
SJO
2 stops34h 20m
Multiple Airlines
Tue 30/618:25
SJO
-
LTN
2 stops22h 20m
Multiple Airlines
Deal found 26/5£585
Tue 16/612:30
STN
-
SJO
2 stops35h 30m
Multiple Airlines
Tue 30/618:25
SJO
-
STN
2 stops19h 35m
Multiple Airlines
Deal found 26/5£589
Thu 28/522:05
LHR
-
SJO
1 stop17h 45m
Avianca
Tue 2/616:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 26/5£608
Tue 16/622:05
LHR
-
SJO
1 stop17h 45m
Avianca
Tue 30/616:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 26/5£628
Thu 24/922:05
LHR
-
SJO
2 stops32h 10m
Avianca
Tue 6/1005:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 26/5£631
Sat 14/1121:40
LHR
-
SJO
2 stops55h 35m
Avianca
Mon 16/1101:45
SJO
-
LHR
1 stop30h 50m
Avianca
Deal found 29/5£642
Tue 6/1022:05
LHR
-
SJO
1 stop17h 45m
Avianca
Thu 15/1016:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 29/5£643
Wed 3/622:05
LHR
-
SJO
1 stop24h 20m
Avianca
Fri 5/609:25
SJO
-
LHR
1 stop23h 10m
Avianca
Deal found 30/5£644
Tue 3/1121:40
LHR
-
SJO
1 stop23h 40m
Avianca
Tue 10/1105:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 29/5£645
Thu 4/622:05
LHR
-
SJO
1 stop17h 45m
Avianca
Wed 10/616:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 30/5£646
Tue 2/622:05
LHR
-
SJO
1 stop17h 45m
Avianca
Wed 10/616:00
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 31/5£646
Sat 20/618:35
LGW
-
SJO
1 stop25h 20m
SWISS
Sun 28/614:40
SJO
-
LGW
2 stops20h 10m
SWISS
Deal found 29/5£656

Find flight deals from United Kingdom to Costa Rica

Keep the following information in mind while searching for United Kingdom to Costa Rica flight deals. Data was last updated 31 May 2026.

Round-trip from

£585

One-way from

£326

Popular in

December

Cheapest in

October

Average price

£636

Good round-trip deal

£692 or less
16/6-30/6
  • 16/6-30/6
  • 4 total stops
  • 56h 40m total
  • United Kingdom to Costa Rica
Search Deals
6/9
  • 6/9
  • 1 total stop
  • 25h 20m total
  • United Kingdom to Costa Rica
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£26 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 May 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Costa Rica.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 31 May 2026.
Use the filters below to find and compare flights from the United Kingdom 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

Thu 25/6

18:35-14:05

1 stop26h 30m

San José Juan Santamaria Intl

Wed 1/7

15:50-17:50

1 stop19h 00m

£667

LondonLiberia

LGW - LIR

LGWLIR

London Gatwick

Sat 10/10

15:40-12:25

2 stops27h 45m

Liberia

Sat 17/10

13:15-14:40

2 stops18h 25m

£675

LondonSan José

LCY - SJO

LCYSJO

London City

Thu 25/6

19:15-14:05

1 stop25h 50m

San José Juan Santamaria Intl

Wed 1/7

15:50-12:35

1 stop13h 45m

£686

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 10/10

09:30-12:10

2 stops33h 40m

Liberia

Sat 17/10

16:30-06:45

2 stops31h 15m

£702

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 13/10

09:30-12:10

2 stops33h 40m

Liberia

Mon 19/10

13:20-11:35

1 stop15h 15m

£704

ManchesterSan José

MAN - SJO

MANSJO

Manchester

Thu 26/11

13:30-13:05

1 stop29h 35m

San José Juan Santamaria Intl

Tue 8/12

07:00-07:00

2 stops18h 00m

£709

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sat 4/7

09:30-10:44

1 stop32h 14m

Liberia

Tue 14/7

11:10-11:35

1 stop17h 25m

£725

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 25/6

18:00-10:44

1 stop23h 44m

Liberia

Thu 2/7

16:30-05:55

1 stop30h 25m

£725

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sun 9/8

10:00-09:50

1 stop30h 50m

Liberia

Thu 20/8

13:20-06:45

2 stops34h 25m

£725

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 3/7

18:00-14:25

2 stops27h 25m

Liberia

Mon 3/8

13:20-11:35

1 stop15h 15m

£726

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from United Kingdom to Costa Rica

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

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

Currently, May is the cheapest month in which you can book a flight from United Kingdom to Costa Rica (average of £380). Flying from United Kingdom to Costa Rica in June is currently the most expensive (average of £1,215). 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 the United Kingdom to Costa Rica delayed?

About 22% of weekly flights between United Kingdom 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 the United Kingdom 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 the United Kingdom 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 United Kingdom to Costa Rica?

To ensure you get the cheapest price possible for a flight from United Kingdom to Costa Rica, you should look to book at least 51 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 31 May 2026.
Read reviews from past customers who have flown with KLM,United Airlines, andAir Canada from the United Kingdom 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
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,524 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,768 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air Canada
7.1
Good
11,107 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,031 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,013 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom to Costa Rica?

    For as low as £667, SWISS can have you in Costa Rica from United Kingdom in 26h 30m. The distance from United Kingdom to Costa Rica is about 5420 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as £267. Users have also found prices from £329 and £434 on JetBlue and KLM, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Costa Rica?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to Costa Rica (average of £380). Flying from United Kingdom to Costa Rica in June is currently the most expensive (average of £1,215). 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.

Top 10 airlines flying from United Kingdom to Costa Rica

Discover the top 10 airlines that operate flights from United Kingdom 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 31 May 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£431Average£608FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£438Average£671FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£442Average£642FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£472Average£518FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£501Average£646FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£508Average£688FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£510Average£766FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£513Average£675FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£537Average£880FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£542Average£851FlexibilityNo cancel feeOn-time77%
Search Air France 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 United Kingdom to Costa Rica?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Costa Rica from United Kingdom today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Costa Rica by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from United Kingdom 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 United Kingdom 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 United Kingdom to Costa Rica become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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