Cheap flights from London Heathrow Airport to Costa Rica from £348

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 Heathrow Airport to Costa Rica departing on 2/9. 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 Heathrow Airport 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
£651Multiple Airlines
Fri, 20 Nov - Mon, 30 Nov
Avianca Logo
21:40 - 15:20
LHR
-
SJO
23h 40m
1 stop
Avianca Logo
05:45 - 14:35
SJO
-
LHR
26h 50m
2 stops
£652Avianca
Thu, 19 Nov - Thu, 3 Dec
Avianca Logo
21:40 - 08:50
LHR
-
SJO
17h 10m
1 stop
Avianca Logo
09:45 - 14:35
SJO
-
LHR
22h 50m
1 stop
£653Avianca
Thu, 19 Nov - Thu, 3 Dec
Multiple Airlines Logo
09:30 - 18:55
LHR
-
SJO
15h 25m
1 stop
Multiple Airlines Logo
08:35 - 11:20
SJO
-
LHR
20h 45m
1 stop
£654Multiple Airlines
Fri, 20 Nov - Tue, 24 Nov
SWISS Logo
06:00 - 14:05
LHR
-
SJO
15h 05m
1 stop
SWISS Logo
14:40 - 16:25
SJO
-
LHR
18h 45m
2 stops
£657SWISS
Wed, 1 Jul - Sun, 19 Jul
Air Canada Logo
13:00 - 13:40
LHR
-
LIR
30h 40m
1 stop
Air Canada Logo
14:55 - 06:30
LIR
-
LHR
33h 35m
1 stop
£665Air Canada
Wed, 11 Nov - Wed, 18 Nov
Air Canada Logo
06:00 - 13:40
LHR
-
LIR
37h 40m
2 stops
Air Canada Logo
14:55 - 08:30
LIR
-
LHR
35h 35m
1 stop
£678Air Canada
Wed, 11 Nov - Wed, 18 Nov
United Airlines Logo
12:05 - 11:44
LHR
-
LIR
29h 39m
2 stops
United Airlines Logo
08:35 - 08:25
LIR
-
LHR
17h 50m
2 stops
£697United Airlines
Wed, 11 Nov - Wed, 18 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
£698United Airlines
Wed, 11 Nov - Wed, 25 Nov
American Airlines Logo
09:45 - 12:16
LHR
-
LIR
32h 31m
1 stop
American Airlines Logo
15:10 - 12:15
LIR
-
LHR
15h 05m
1 stop
£715American Airlines
Sun, 15 Nov - Sat, 21 Nov

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Avianca flights from London Heathrow Airport to Costa Rica

Our best Avianca deals on London Heathrow Airport to Costa Rica flight tickets
Avianca
19 Nov
LHR21:40London Heathrow
23h 40m
1 stop
SJO15:20San José Juan Santamaria Intl
3 Dec
SJO05:45San José Juan Santamaria Intl
26h 50m
2 stops
LHR14:35London Heathrow
£652
Avianca
19 Nov
LHR21:40London Heathrow
17h 10m
1 stop
SJO08:50San José Juan Santamaria Intl
3 Dec
SJO09:45San José Juan Santamaria Intl
22h 50m
1 stop
LHR14:35London Heathrow
£653
Avianca
19 Nov
LHR21:40London Heathrow
23h 40m
1 stop
SJO15:20San José Juan Santamaria Intl
3 Dec
SJO05:45San José Juan Santamaria Intl
26h 50m
2 stops
LHR14:35London Heathrow
£655

KLM flights from London Heathrow Airport to Costa Rica

Our best KLM deals on London Heathrow Airport to Costa Rica flight tickets
KLM
18 Jun
LHR11:45London Heathrow
36h 15m
2 stops
SJO17:00San José Juan Santamaria Intl
2 Jul
SJO18:25San José Juan Santamaria Intl
19h 30m
1 stop
LHR20:55London Heathrow
£677
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
£681
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
£701

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 16 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport 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

£651

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 19/11

21:40-15:20

1 stop23h 40m

San José Juan Santamaria Intl

Thu 3/12

05:45-14:35

2 stops26h 50m

£652

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 19/11

21:40-08:50

1 stop17h 10m

San José Juan Santamaria Intl

Thu 3/12

09:45-14:35

1 stop22h 50m

£653

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 20/11

09:30-18:55

1 stop15h 25m

San José Juan Santamaria Intl

Tue 24/11

08:35-11:20

1 stop20h 45m

£654

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 1/7

06:00-14:05

1 stop15h 05m

San José Juan Santamaria Intl

Sun 19/7

14:40-16:25

2 stops18h 45m

£657

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 11/11

13:00-13:40

1 stop30h 40m

Liberia

Wed 18/11

14:55-06:30

1 stop33h 35m

£665

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 11/11

06:00-13:40

2 stops37h 40m

Liberia

Wed 18/11

14:55-08:30

1 stop35h 35m

£678

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 11/11

12:05-11:44

2 stops29h 39m

Liberia

Wed 18/11

08:35-08:25

2 stops17h 50m

£697

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

£698

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sun 15/11

09:45-12:16

1 stop32h 31m

Liberia

Sat 21/11

15:10-12:15

1 stop15h 05m

£715

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 Heathrow Airport 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 February is, on average, the cheapest month to fly to Costa Rica from London Heathrow Airport, with most prices found around £304. If you are unable to visit Costa Rica during the month of February, then departing from London Heathrow Airport during the month June is also very affordable. Most momondo users find prices during this month for around £354.

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 £927. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Costa Rica for around £1,365.

What is the cheapest London Heathrow to Costa Rica flight route?

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

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

You are more likely to see cheaper flights to Costa Rica from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around £685 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 Heathrow Airport for as low as £600 on momondo.

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

There is only 1 cabin class available to choose from on London Heathrow Airport 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 Heathrow Airport to Costa Rica flights?

You could potentially save up to 27% on your flight if you consider stops on a London Heathrow Airport to Costa Rica flight.

Cheap London Heathrow Airport to Costa Rica flight deals and tips

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

Best price found

£839

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 Heathrow Airport to Costa Rica found on momondo in the last 72 hours is £839
The fastest flight from London Heathrow Airport to Costa Rica takes 11h 30m
Direct flights go from London Heathrow Airport 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 Heathrow Airport there are direct flights to San José Juan Santamaria Intl (SJO).

Frequently asked questions about flying from London Heathrow Airport to Costa Rica

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

    Prices for flights from London Heathrow Airport to Costa Rica refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Costa Rica.

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

    The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London Heathrow Airport to Costa Rica

Compare and see reviews for airlines that fly from London Heathrow Airport to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom £432Free CancellationRating
6.5
2,531 reviews
Search Avianca flights
SWISSPriceFrom £439Free CancellationRating
7.5
1,969 reviews
Search SWISS flights
Air CanadaPriceFrom £441Free CancellationRating
7.1
11,197 reviews
Search Air Canada flights
JetBluePriceFrom £473Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
LufthansaPriceFrom £494Free CancellationRating
6.8
8,066 reviews
Search Lufthansa flights
FinnairPriceFrom £502Free CancellationRating
7.7
1,410 reviews
Search Finnair flights
United AirlinesPriceFrom £509Free CancellationRating
7.4
9,843 reviews
Search United Airlines flights
American AirlinesPriceFrom £514Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
Air FrancePriceFrom £543Free CancellationRating
7.4
1,606 reviews
Search Air France flights
KLMPriceFrom £605Free CancellationRating
7.8
1,528 reviews
Search KLM flights

Why use momondo?

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

Finding the right flight to Costa Rica from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Costa Rica quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Costa Rica from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from London.

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

Of course. momondo tracks the price of London to Costa Rica flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 16/7
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