Cheap flights from London to Costa Rica from £295

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Costa Rica departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from London to Costa Rica

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:30 - 18:55
LHR
-
SJO
15h 25m
1 stop
Multiple Airlines Logo
09:50 - 07:10
SJO
-
LHR
15h 20m
1 stop
£660Multiple Airlines
Fri, 20 Nov - Mon, 30 Nov
Avianca Logo
21:40 - 00:15
LHR
-
SJO
32h 35m
1 stop
Avianca Logo
09:45 - 14:35
SJO
-
LHR
22h 50m
1 stop
£661Avianca
Thu, 12 Nov - Sat, 28 Nov
Avianca Logo
22:05 - 08:50
LHR
-
SJO
17h 45m
1 stop
Avianca Logo
16:00 - 15:35
SJO
-
LHR
16h 35m
1 stop
£663Avianca
Wed, 9 Sep - Wed, 16 Sep
SWISS Logo
06:00 - 14:05
LHR
-
SJO
15h 05m
1 stop
SWISS Logo
15:50 - 17:50
SJO
-
LHR
19h 00m
1 stop
£664SWISS
Wed, 1 Jul - Fri, 17 Jul
American Airlines Logo
11:15 - 12:09
LGW
-
SJO
30h 54m
2 stops
American Airlines Logo
15:11 - 07:30
SJO
-
LGW
34h 19m
2 stops
£702American Airlines
Tue, 10 Nov - Wed, 25 Nov
Air Canada Logo
18:00 - 12:55
LHR
-
LIR
24h 55m
1 stop
Air Canada Logo
14:40 - 07:10
LIR
-
LHR
34h 30m
1 stop
£704Air Canada
Fri, 30 Oct - Tue, 3 Nov
United Airlines Logo
12:05 - 11:44
LHR
-
LIR
29h 39m
2 stops
United Airlines Logo
17:15 - 11:05
LIR
-
LHR
35h 50m
1 stop
£707United Airlines
Wed, 11 Nov - Wed, 25 Nov
Lufthansa Logo
09:15 - 17:35
LCY
-
SJO
15h 20m
1 stop
Lufthansa Logo
19:25 - 17:55
SJO
-
LCY
15h 30m
1 stop
£721Lufthansa
Tue, 8 Sep - Tue, 15 Sep
American Airlines Logo
11:15 - 12:16
LHR
-
LIR
31h 01m
1 stop
American Airlines Logo
15:13 - 12:05
LIR
-
LHR
14h 52m
1 stop
£725American Airlines
Mon, 9 Nov - Fri, 13 Nov
United Airlines Logo
16:40 - 12:10
LHR
-
LIR
26h 30m
2 stops
United Airlines Logo
13:20 - 11:35
LIR
-
LHR
15h 15m
1 stop
£735United Airlines
Wed, 1 Jul - Wed, 15 Jul

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Air Canada flights from London to Costa Rica

Our best Air Canada deals on London to Costa Rica flight tickets
Air Canada
2 Jul
LHR14:05London Heathrow
37h 15m
1 stop
SJO20:20San José Juan Santamaria Intl
9 Jul
SJO07:15San José Juan Santamaria Intl
19h 45m
1 stop
LHR10:00London Heathrow
£679
Air Canada
1 Oct
LHR06:50London Heathrow
22h 10m
2 stops
SJO22:00San José Juan Santamaria Intl
7 Oct
SJO07:10San José Juan Santamaria Intl
18h 25m
2 stops
LHR08:35London Heathrow
£681
Air Canada
13 Nov
LHR06:00London Heathrow
23h 15m
2 stops
SJO23:15San José Juan Santamaria Intl
21 Nov
SJO09:50San José Juan Santamaria Intl
15h 20m
1 stop
LHR07:10London Heathrow
£682

KLM flights from London to Costa Rica

Our best KLM deals on London to Costa Rica flight tickets
KLM
20 Jun
LHR06:30London Heathrow
16h 50m
1 stop
SJO16:20San José Juan Santamaria Intl
2 Jul
SJO18:25San José Juan Santamaria Intl
18h 00m
1 stop
LHR19:25London Heathrow
£710
KLM
21 Jun
LCY20:45London City
27h 15m
2 stops
SJO17:00San José Juan Santamaria Intl
5 Jul
SJO19:05San José Juan Santamaria Intl
17h 40m
2 stops
LCY19:45London City
£725
KLM
29 Sept
LCY10:00London City
13h 20m
1 stop
SJO16:20San José Juan Santamaria Intl
6 Oct
SJO18:25San José Juan Santamaria Intl
15h 15m
1 stop
LCY16:40London City
£727

momondo 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, momondo users made 279,928 searches. Data last updated 19 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
Fastest return journey

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 20/11

09:30-18:55

1 stop15h 25m

San José Juan Santamaria Intl

Mon 30/11

09:50-07:10

1 stop15h 20m

£660

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 12/11

21:40-00:15

1 stop32h 35m

San José Juan Santamaria Intl

Sat 28/11

09:45-14:35

1 stop22h 50m

£661

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 9/9

22:05-08:50

1 stop17h 45m

San José Juan Santamaria Intl

Wed 16/9

16:00-15:35

1 stop16h 35m

£663

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 1/7

06:00-14:05

1 stop15h 05m

San José Juan Santamaria Intl

Fri 17/7

15:50-17:50

1 stop19h 00m

£664

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

Tue 10/11

11:15-12:09

2 stops30h 54m

San José Juan Santamaria Intl

Wed 25/11

15:11-07:30

2 stops34h 19m

£702

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 30/10

18:00-12:55

1 stop24h 55m

Liberia

Tue 3/11

14:40-07:10

1 stop34h 30m

£704

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 11/11

12:05-11:44

2 stops29h 39m

Liberia

Wed 25/11

17:15-11:05

1 stop35h 50m

£707

LondonSan José

LCY - SJO

LCYSJO

London City

Tue 8/9

09:15-17:35

1 stop15h 20m

San José Juan Santamaria Intl

Tue 15/9

19:25-17:55

1 stop15h 30m

£721

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 9/11

11:15-12:16

1 stop31h 01m

Liberia

Fri 13/11

15:13-12:05

1 stop14h 52m

£725

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 1/7

16:40-12:10

2 stops26h 30m

Liberia

Wed 15/7

13:20-11:35

1 stop15h 15m

£735

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from London to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The month of June is, on average, the cheapest month to fly to Costa Rica from London, with most prices found around £358. If you are unable to visit Costa Rica during the month of June, then departing from London during the month May is also very affordable. Most momondo users find prices during this month for around £386.

What is the cheapest day to depart on your flight to Costa Rica?

Our data shows that Sunday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as £940. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from London to Costa Rica for around £1,383.

What is the cheapest London to Costa Rica flight route?

Fly from London Gatwick to San José Juan Santamaria Intl for the best London - Costa Rica flight prices

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

You are more likely to see cheaper flights to Costa Rica from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around £695 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from London for as low as £607 on momondo.

What cabin class options are available on London to Costa Rica flights?

There is only 1 cabin class available to choose from on London to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Costa Rica flights?

You could potentially save up to 4% on your flight if you consider stops on a London to Costa Rica flight.

Cheap London to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Costa Rica

Best price found

£703

Fastest flight time

11h 30m

Direct flights

Mon, Wed, Thu, Sat and Sun

Airports in Costa Rica

40 airports
The best flight deal from London to Costa Rica found on momondo in the last 72 hours is £703
The fastest flight from London to Costa Rica takes 11h 30m
Direct flights go from London to Costa Rica on Monday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
There are 40 airports in Costa Rica. From London there are direct flights to San José Juan Santamaria Intl (SJO).

Frequently asked questions about flying from London to Costa Rica

  • When did momondo last update prices for flights from London to Costa Rica?

    Prices for flights from London to Costa Rica refresh daily.

  • How many operators does momondo search for flights from London to Costa Rica?

  • How old do you have to be to fly from London to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Costa Rica?

Best airlines flying from London to Costa Rica

Compare and see reviews for airlines that fly from London to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom £438Free CancellationRating
6.5
2,530 reviews
Search Avianca flights
SWISSPriceFrom £445Free CancellationRating
7.5
1,971 reviews
Search SWISS flights
Air CanadaPriceFrom £447Free CancellationRating
7.1
11,221 reviews
Search Air Canada flights
JetBluePriceFrom £480Free CancellationRating
7.1
2,987 reviews
Search JetBlue flights
LufthansaPriceFrom £501Free CancellationRating
6.8
8,077 reviews
Search Lufthansa flights
FinnairPriceFrom £509Free CancellationRating
7.6
1,412 reviews
Search Finnair flights
United AirlinesPriceFrom £516Free CancellationRating
7.4
9,860 reviews
Search United Airlines flights
American AirlinesPriceFrom £521Free CancellationRating
7.1
11,705 reviews
Search American Airlines flights
Air FrancePriceFrom £550Free CancellationRating
7.4
1,610 reviews
Search Air France flights
British AirwaysPriceFrom £597Free CancellationRating
6.7
8,055 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Costa Rica?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Costa Rica. momondo saves you time and could save you money on your trip.

Can I find flights from London to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Costa Rica?

momondo provides multiple filters to help you find the best flight to Costa Rica from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Sun 19/7
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