Cheap flights from London Heathrow Airport to Costa Rica from £308

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 13/1. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London Heathrow Airport to Costa Rica

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
13:30 - 12:55LHR-LIR
29h 25m2 stops
United Airlines Logo
11:49 - 12:20LIR-LHR
17h 31m1 stop
£495United Airlines
Find Deal
Sun, 1 Mar - Tue, 31 Mar
Air Canada Logo
11:10 - 14:45LHR-LIR
33h 35m1 stop
Air Canada Logo
13:30 - 10:00LIR-LHR
13h 30m1 stop
£511Air Canada
Find Deal
Sun, 1 Mar - Tue, 31 Mar
United Airlines Logo
15:10 - 13:10LHR-LIR
28h 00m2 stops
United Airlines Logo
08:35 - 07:30LIR-LHR
16h 55m1 stop
£522United Airlines
Find Deal
Fri, 14 Nov - Sat, 6 Dec
American Airlines Logo
15:00 - 14:18LHR-LIR
29h 18m1 stop
American Airlines Logo
13:34 - 12:00LIR-LHR
16h 26m1 stop
£524American Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Avianca Logo
21:40 - 08:50LHR-SJO
17h 10m1 stop
Avianca Logo
16:15 - 14:35SJO-LHR
16h 20m1 stop
£532Avianca
Find Deal
Wed, 25 Feb - Wed, 11 Mar
Air Canada Logo
17:10 - 22:10LHR-SJO
36h 00m2 stops
Air Canada Logo
08:00 - 10:00SJO-LHR
19h 00m2 stops
£538Air Canada
Find Deal
Wed, 22 Apr - Wed, 6 May
Finnair Logo
12:15 - 20:30LHR-SJO
15h 15m1 stop
Finnair Logo
23:59 - 10:45SJO-LHR
27h 46m1 stop
£540Finnair
Find Deal
Mon, 6 Apr - Sat, 18 Apr
Avianca Logo
21:40 - 08:50LHR-SJO
17h 10m1 stop
Avianca Logo
16:15 - 14:35SJO-LHR
16h 20m1 stop
£541Avianca
Find Deal
Mon, 9 Feb - Tue, 24 Feb
British Airways Logo
11:15 - 14:13LHR-LIR
32h 58m2 stops
British Airways Logo
15:20 - 22:10LIR-LHR
24h 50m2 stops
£623British Airways
Find Deal
Thu, 27 Nov - Thu, 4 Dec
British Airways Logo
09:55 - 12:37LHR-LIR
32h 42m1 stop
British Airways Logo
13:28 - 11:40LIR-LHR
16h 12m1 stop
£645British Airways
Find Deal
Mon, 19 Jan - Sat, 24 Jan

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
1 Mar
LHR11:10London Heathrow
33h 35m
1 stop
LIR14:45Liberia
31 Mar
LIR13:30Liberia
13h 30m
1 stop
LHR10:00London Heathrow
Air Canada
22 Apr
LHR17:10London Heathrow
36h 00m
2 stops
SJO22:10San José Juan Santamaria Intl
6 May
SJO08:00San José Juan Santamaria Intl
19h 00m
2 stops
LHR10:00London Heathrow
Air Canada
15 Apr
LHR12:05London Heathrow
32h 25m
1 stop
LIR13:30Liberia
29 Apr
LIR14:45Liberia
14h 05m
1 stop
LHR11:50London Heathrow

Avianca flights from London Heathrow Airport to Costa Rica

Our best Avianca deals on London Heathrow Airport to Costa Rica flight tickets
Avianca
25 Feb
LHR21:40London Heathrow
17h 10m
1 stop
SJO08:50San José Juan Santamaria Intl
11 Mar
SJO16:15San José Juan Santamaria Intl
16h 20m
1 stop
LHR14:35London Heathrow
Avianca
9 Feb
LHR21:40London Heathrow
17h 10m
1 stop
SJO08:50San José Juan Santamaria Intl
24 Feb
SJO16:15San José Juan Santamaria Intl
16h 20m
1 stop
LHR14:35London Heathrow
Avianca
15 Apr
LHR22:05London Heathrow
18h 15m
1 stop
SJO09:20San José Juan Santamaria Intl
29 Apr
SJO15:00San José Juan Santamaria Intl
17h 35m
1 stop
LHR15:35London Heathrow

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 October 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

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sun 1/3

13:30-12:55

2 stops29h 25m

Liberia

Tue 31/3

11:49-12:20

1 stop17h 31m

£495

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Sun 1/3

11:10-14:45

1 stop33h 35m

Liberia

Tue 31/3

13:30-10:00

1 stop13h 30m

£511

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Fri 14/11

15:10-13:10

2 stops28h 00m

Liberia

Sat 6/12

08:35-07:30

1 stop16h 55m

£522

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 27/11

15:00-14:18

1 stop29h 18m

Liberia

Thu 4/12

13:34-12:00

1 stop16h 26m

£524

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 25/2

21:40-08:50

1 stop17h 10m

San José Juan Santamaria Intl

Wed 11/3

16:15-14:35

1 stop16h 20m

£532

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 22/4

17:10-22:10

2 stops36h 00m

San José Juan Santamaria Intl

Wed 6/5

08:00-10:00

2 stops19h 00m

£538

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 6/4

12:15-20:30

1 stop15h 15m

San José Juan Santamaria Intl

Sat 18/4

23:59-10:45

1 stop27h 46m

£540

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 9/2

21:40-08:50

1 stop17h 10m

San José Juan Santamaria Intl

Tue 24/2

16:15-14:35

1 stop16h 20m

£541

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Thu 27/11

11:15-14:13

2 stops32h 58m

Liberia

Thu 4/12

15:20-22:10

2 stops24h 50m

£623

LondonLiberia

LHR - LIR

LHRLIR

London Heathrow

Mon 19/1

09:55-12:37

1 stop32h 42m

Liberia

Sat 24/1

13:28-11:40

1 stop16h 12m

£645

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £570. 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 £616.

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 £633. 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 £700.

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 £606. 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 £836.

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 £660 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 £615 on momondo.

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

You could potentially save up to 6% 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

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.
  • 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 £454Free CancellationRating
7.1
562 reviews
Search Icelandair flights
JetBluePriceFrom £481Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
Air CanadaPriceFrom £504Free CancellationRating
7.1
10,378 reviews
Search Air Canada flights
Air FrancePriceFrom £531Free CancellationRating
7.4
1,482 reviews
Search Air France flights
KLMPriceFrom £533Free CancellationRating
7.7
1,406 reviews
Search KLM flights
LufthansaPriceFrom £568Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights
SWISSPriceFrom £574Free CancellationRating
7.5
1,775 reviews
Search SWISS flights
United AirlinesPriceFrom £577Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
AviancaPriceFrom £579Free CancellationRating
6.6
2,467 reviews
Search Avianca flights
British AirwaysPriceFrom £626Free CancellationRating
6.7
7,487 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.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 29/11
Sat 6/12

Find better results for your trip to Costa Rica

Popular Cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo