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Cheap flights from London Heathrow Airport to Costa Rica from £277

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 18/11. 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

Icelandair Logo
09:20 - 12:55LHR-SJO
33h 35m2 stops
Icelandair Logo
14:45 - 20:45SJO-LHR
24h 00m1 stop
£565Icelandair
Find Deal
Tue, 6 Jan - Tue, 27 Jan
Air Canada Logo
13:25 - 23:30LHR-SJO
16h 05m1 stop
Air Canada Logo
08:50 - 07:10SJO-LHR
16h 20m1 stop
£567Air Canada
Find Deal
Sat, 22 Nov - Wed, 3 Dec
Icelandair Logo
08:15 - 11:42LHR-SJO
34h 27m2 stops
Icelandair Logo
13:00 - 09:30SJO-LHR
37h 30m2 stops
£568Icelandair
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Logo
11:10 - 00:50LHR-SJO
19h 40m2 stops
Logo
09:00 - 11:20SJO-LHR
20h 20m2 stops
£568
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Avianca Logo
21:40 - 08:50LHR-SJO
17h 10m1 stop
Avianca Logo
09:45 - 14:35SJO-LHR
22h 50m1 stop
£583Avianca
Find Deal
Sat, 14 Mar - Sun, 22 Mar
Avianca Logo
21:40 - 15:20LHR-SJO
23h 40m1 stop
Avianca Logo
01:45 - 14:35SJO-LHR
30h 50m1 stop
£586Avianca
Find Deal
Tue, 4 Nov - Wed, 3 Dec
Lufthansa Logo
08:30 - 17:35LHR-SJO
16h 05m1 stop
Lufthansa Logo
19:25 - 18:40SJO-LHR
16h 15m1 stop
£593Lufthansa
Find Deal
Thu, 2 Oct - Tue, 7 Oct
United Airlines Logo
18:00 - 11:44LHR-LIR
23h 44m1 stop
United Airlines Logo
08:35 - 08:25LIR-LHR
17h 50m2 stops
£631United Airlines
Find Deal
Thu, 5 Feb - Sun, 15 Feb
United Airlines Logo
10:00 - 12:10LHR-LIR
33h 10m1 stop
United Airlines Logo
13:20 - 07:40LIR-LHR
35h 20m1 stop
£634United Airlines
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Fri, 26 Sep - Tue, 30 Sep
British Airways Logo
16:25 - 13:02LHR-LIR
27h 37m1 stop
British Airways Logo
12:45 - 12:30LIR-LHR
16h 45m2 stops
£638British Airways
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Thu, 2 Oct - Thu, 16 Oct

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
22 Nov
LHR13:25London Heathrow
16h 05m
1 stop
SJO23:30San José Juan Santamaria Intl
3 Dec
SJO08:50San José Juan Santamaria Intl
16h 20m
1 stop
LHR07:10London Heathrow
£567
Find similar
Air Canada
3 Feb
LHR09:00London Heathrow
20h 15m
2 stops
SJO23:15San José Juan Santamaria Intl
18 Feb
SJO08:50San José Juan Santamaria Intl
16h 20m
1 stop
LHR07:10London Heathrow
£570
Find similar
Air Canada
26 Jan
LHR13:45London Heathrow
39h 30m
2 stops
SJO23:15San José Juan Santamaria Intl
9 Feb
SJO08:50San José Juan Santamaria Intl
17h 15m
2 stops
LHR08:05London Heathrow
£571
Find similar

SWISS flights from London Heathrow Airport to Costa Rica

Our best SWISS deals on London Heathrow Airport to Costa Rica flight tickets
SWISS
23 Sept
LHR07:00London Heathrow
37h 10m
2 stops
SJO13:10San José Juan Santamaria Intl
1 Oct
SJO14:40San José Juan Santamaria Intl
23h 50m
3 stops
LHR21:30London Heathrow
£649
Find similar
SWISS
24 Sept
LHR19:15London Heathrow
49h 30m
2 stops
SJO13:45San José Juan Santamaria Intl
1 Oct
SJO14:40San José Juan Santamaria Intl
18h 45m
2 stops
LHR16:25London Heathrow
£705
Find similar
SWISS
25 Sept
LHR07:00London Heathrow
37h 45m
2 stops
SJO13:45San José Juan Santamaria Intl
8 Oct
SJO14:40San José Juan Santamaria Intl
20h 50m
3 stops
LHR18:30London Heathrow
£707
Find similar

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 15 September 2025.
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

Tue 6/1

09:20-12:55

2 stops33h 35m

San José Juan Santamaria Intl

Tue 27/1

14:45-20:45

1 stop24h 00m

£565

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 22/11

13:25-23:30

1 stop16h 05m

San José Juan Santamaria Intl

Wed 3/12

08:50-07:10

1 stop16h 20m

£567

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 14/10

08:15-11:42

2 stops34h 27m

San José Juan Santamaria Intl

Tue 21/10

13:00-09:30

2 stops37h 30m

£568

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 29/10

11:10-00:50

2 stops19h 40m

San José Juan Santamaria Intl

Wed 5/11

09:00-11:20

2 stops20h 20m

£568

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 14/3

21:40-08:50

1 stop17h 10m

San José Juan Santamaria Intl

Sun 22/3

09:45-14:35

1 stop22h 50m

£583

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 4/11

21:40-15:20

1 stop23h 40m

San José Juan Santamaria Intl

Wed 3/12

01:45-14:35

1 stop30h 50m

£586

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 2/10

08:30-17:35

1 stop16h 05m

San José Juan Santamaria Intl

Tue 7/10

19:25-18:40

1 stop16h 15m

£593

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 5/2

18:00-11:44

1 stop23h 44m

Liberia

Sun 15/2

08:35-08:25

2 stops17h 50m

£631

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 26/9

10:00-12:10

1 stop33h 10m

Liberia

Tue 30/9

13:20-07:40

1 stop35h 20m

£634

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 2/10

16:25-13:02

1 stop27h 37m

Liberia

Thu 16/10

12:45-12:30

2 stops16h 45m

£638

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 £559. 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 £597.

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

Our data shows that Monday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as £617. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Costa Rica for around £682.

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

According to our data, the cheapest time of day to fly to Costa Rica is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Costa Rica in the afternoon for as low as £591. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive, with an average ticket price of £815.

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 £642 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 £612 on momondo.

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

Direct flights

None
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.
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  • 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
IcelandairPriceFrom £442Free CancellationRating
7.0
544 reviews
Search Icelandair flights
JetBluePriceFrom £454Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
Air CanadaPriceFrom £491Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air FrancePriceFrom £518Free CancellationRating
7.4
1,469 reviews
Search Air France flights
KLMPriceFrom £519Free CancellationRating
7.8
1,385 reviews
Search KLM flights
LufthansaPriceFrom £554Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
AviancaPriceFrom £555Free CancellationRating
6.7
2,435 reviews
Search Avianca flights
SWISSPriceFrom £560Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
United AirlinesPriceFrom £562Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
British AirwaysPriceFrom £610Free CancellationRating
6.6
7,361 reviews
Search British Airways 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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