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Cheap flights from London Heathrow Airport to Costa Rica from £319

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 8/4. 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
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.
Air Canada Logo
19:25 - 00:05
LHR
-
SJO
34h 40m
2 stops
Air Canada Logo
07:35 - 11:20
SJO
-
LHR
21h 45m
1 stop
£557Air Canada
Sat, 28 Feb - Tue, 10 Mar
Multiple Airlines Logo
18:40 - 14:05
LHR
-
SJO
26h 25m
1 stop
Multiple Airlines Logo
07:15 - 10:00
SJO
-
LHR
19h 45m
1 stop
£564Multiple Airlines
Thu, 7 May - Mon, 18 May
Air Canada Logo
09:00 - 00:05
LHR
-
SJO
21h 05m
2 stops
Air Canada Logo
07:35 - 20:35
SJO
-
LHR
55h 00m
2 stops
£565Air Canada
Thu, 5 Mar - Sat, 14 Mar
Multiple Airlines Logo
18:40 - 14:05
LHR
-
SJO
26h 25m
1 stop
Multiple Airlines Logo
07:15 - 10:00
SJO
-
LHR
19h 45m
1 stop
£566Multiple Airlines
Thu, 30 Apr - Sat, 16 May
Multiple Airlines Logo
20:05 - 17:35
LHR
-
SJO
28h 30m
1 stop
Multiple Airlines Logo
08:00 - 09:35
SJO
-
LHR
18h 35m
1 stop
£568Multiple Airlines
Tue, 21 Apr - Tue, 5 May
Avianca Logo
21:40 - 15:20
LHR
-
SJO
23h 40m
1 stop
Avianca Logo
09:45 - 14:35
SJO
-
LHR
22h 50m
1 stop
£568Avianca
Mon, 9 Feb - Mon, 16 Feb
Air Canada Logo
06:00 - 20:35
LHR
-
SJO
21h 35m
2 stops
Air Canada Logo
08:00 - 08:35
SJO
-
LHR
41h 35m
2 stops
£570Air Canada
Fri, 1 May - Fri, 15 May
JetBlue Logo
08:15 - 22:14
LHR
-
SJO
20h 59m
1 stop
JetBlue Logo
14:05 - 20:45
SJO
-
LHR
23h 40m
1 stop
£573JetBlue
Tue, 21 Apr - Tue, 5 May
United Airlines Logo
13:45 - 13:10
LHR
-
LIR
29h 25m
2 stops
United Airlines Logo
07:35 - 10:15
LIR
-
LHR
20h 40m
1 stop
£636United Airlines
Tue, 24 Feb - Wed, 11 Mar
United Airlines Logo
16:20 - 12:55
LHR
-
LIR
26h 35m
2 stops
United Airlines Logo
08:35 - 07:30
LIR
-
LHR
16h 55m
1 stop
£639United Airlines
Wed, 18 Feb - Tue, 24 Feb

Air Canada flights from London Heathrow Airport to Costa Rica

Our best Air Canada deals on London Heathrow Airport to Costa Rica flight tickets
Air Canada
28 Feb
LHR19:25London Heathrow
34h 40m
2 stops
SJO00:05San José Juan Santamaria Intl
10 Mar
SJO07:35San José Juan Santamaria Intl
21h 45m
1 stop
LHR11:20London Heathrow
£557
Air Canada
5 Mar
LHR09:00London Heathrow
21h 05m
2 stops
SJO00:05San José Juan Santamaria Intl
14 Mar
SJO07:35San José Juan Santamaria Intl
55h 00m
2 stops
LHR20:35London Heathrow
£565
Air Canada
10 Mar
LHR09:00London Heathrow
20h 05m
2 stops
SJO23:05San José Juan Santamaria Intl
18 Mar
SJO07:50San José Juan Santamaria Intl
20h 15m
2 stops
LHR10:05London Heathrow
£573

Avianca flights from London Heathrow Airport to Costa Rica

Our best Avianca deals on London Heathrow Airport to Costa Rica flight tickets
Avianca
9 Feb
LHR21:40London Heathrow
23h 40m
1 stop
SJO15:20San José Juan Santamaria Intl
16 Feb
SJO09:45San José Juan Santamaria Intl
22h 50m
1 stop
LHR14:35London Heathrow
£568
Avianca
10 Mar
LHR21:40London Heathrow
17h 10m
1 stop
SJO08:50San José Juan Santamaria Intl
25 Mar
SJO16:15San José Juan Santamaria Intl
16h 20m
1 stop
LHR14:35London Heathrow
£576
Avianca
17 Mar
LHR21:40London Heathrow
23h 40m
1 stop
SJO15:20San José Juan Santamaria Intl
1 Apr
SJO09:25San José Juan Santamaria Intl
23h 10m
1 stop
LHR15:35London Heathrow
£579

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 30 January 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

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 28/2

19:25-00:05

2 stops34h 40m

San José Juan Santamaria Intl

Tue 10/3

07:35-11:20

1 stop21h 45m

£557

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 7/5

18:40-14:05

1 stop26h 25m

San José Juan Santamaria Intl

Mon 18/5

07:15-10:00

1 stop19h 45m

£564

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 5/3

09:00-00:05

2 stops21h 05m

San José Juan Santamaria Intl

Sat 14/3

07:35-20:35

2 stops55h 00m

£565

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 30/4

18:40-14:05

1 stop26h 25m

San José Juan Santamaria Intl

Sat 16/5

07:15-10:00

1 stop19h 45m

£566

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 21/4

20:05-17:35

1 stop28h 30m

San José Juan Santamaria Intl

Tue 5/5

08:00-09:35

1 stop18h 35m

£568

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 9/2

21:40-15:20

1 stop23h 40m

San José Juan Santamaria Intl

Mon 16/2

09:45-14:35

1 stop22h 50m

£568

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 1/5

06:00-20:35

2 stops21h 35m

San José Juan Santamaria Intl

Fri 15/5

08:00-08:35

2 stops41h 35m

£570

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 21/4

08:15-22:14

1 stop20h 59m

San José Juan Santamaria Intl

Tue 5/5

14:05-20:45

1 stop23h 40m

£573

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Tue 24/2

13:45-13:10

2 stops29h 25m

Liberia

Wed 11/3

07:35-10:15

1 stop20h 40m

£636

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Wed 18/2

16:20-12:55

2 stops26h 35m

Liberia

Tue 24/2

08:35-07:30

1 stop16h 55m

£639

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 November is, on average, the cheapest month to fly to Costa Rica from London Heathrow Airport, with most prices found around £544. If you are unable to visit Costa Rica during the month of November, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around £591.

How far in advance should I book a flight 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 £632 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 £591 on momondo.

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

You could potentially save up to 30% 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

Fastest flight time

14h 40m

Direct flights

None
The fastest flight from London Heathrow Airport to Costa Rica takes 14h 40m
There are no direct flights from London Heathrow Airport to Costa Rica. There are no popular flight routes from London Heathrow Airport to Costa Rica.
Search flight deals

  • 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.

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
Air CanadaPriceFrom £452Free CancellationRating
7.1
10,668 reviews
Search Air Canada flights
IcelandairPriceFrom £455Free CancellationRating
7.1
606 reviews
Search Icelandair flights
JetBluePriceFrom £461Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
FinnairPriceFrom £488Free CancellationRating
7.6
1,356 reviews
Search Finnair flights
American AirlinesPriceFrom £502Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
Air FrancePriceFrom £508Free CancellationRating
7.4
1,528 reviews
Search Air France flights
KLMPriceFrom £526Free CancellationRating
7.7
1,444 reviews
Search KLM flights
AviancaPriceFrom £530Free CancellationRating
6.6
2,493 reviews
Search Avianca flights
LufthansaPriceFrom £531Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom £547Free CancellationRating
7.4
9,218 reviews
Search United Airlines 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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