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Cheap flights from London Heathrow Airport to San José from $422

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 San José departing on 3/10. 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 San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:45 am - 10:10 pm
LHR
-
SJO
20h 25m
2 stops
Air Canada Logo
7:55 am - 9:35 am
SJO
-
LHR
18h 40m
1 stop
$814Air Canada
Thu, Apr 16 - Sat, Apr 25
Air Canada Logo
8:45 am - 10:10 pm
LHR
-
SJO
20h 25m
2 stops
Air Canada Logo
7:55 am - 6:35 am
SJO
-
LHR
15h 40m
1 stop
$815Air Canada
Tue, Apr 7 - Mon, Apr 13
Air Canada Logo
7:30 pm - 10:10 pm
LHR
-
SJO
33h 40m
2 stops
Air Canada Logo
7:55 am - 9:00 pm
SJO
-
LHR
30h 05m
2 stops
$817Air Canada
Wed, Apr 8 - Mon, Apr 13
Air Canada Logo
8:45 am - 10:10 pm
LHR
-
SJO
20h 25m
2 stops
Air Canada Logo
7:55 am - 10:00 am
SJO
-
LHR
19h 05m
2 stops
$818Air Canada
Thu, Apr 16 - Sat, Apr 25
Air Canada Logo
8:45 am - 10:10 pm
LHR
-
SJO
20h 25m
2 stops
Air Canada Logo
7:55 am - 10:00 am
SJO
-
LHR
19h 05m
2 stops
$819Air Canada
Thu, Apr 16 - Sat, Apr 25
Air Canada Logo
8:40 am - 9:30 pm
LHR
-
SJO
19h 50m
2 stops
Air Canada Logo
7:55 am - 8:35 am
SJO
-
LHR
17h 40m
1 stop
$821Air Canada
Wed, Apr 15 - Thu, Apr 30
Avianca Logo
10:05 pm - 8:50 am
LHR
-
SJO
17h 45m
1 stop
Avianca Logo
4:00 pm - 3:35 pm
SJO
-
LHR
16h 35m
1 stop
$822Avianca
Thu, Apr 16 - Sat, May 2
Air Canada Logo
8:40 am - 9:30 pm
LHR
-
SJO
19h 50m
2 stops
Air Canada Logo
8:05 am - 11:50 am
SJO
-
LHR
20h 45m
2 stops
$823Air Canada
Mon, Apr 13 - Sun, Apr 26
SWISS Logo
8:05 pm - 5:35 pm
LHR
-
SJO
28h 30m
1 stop
SWISS Logo
3:50 pm - 4:25 pm
SJO
-
LHR
17h 35m
1 stop
$824SWISS
Tue, Jun 9 - Fri, Jun 19
Air France Logo
6:15 am - 5:00 pm
LHR
-
SJO
17h 45m
1 stop
Air France Logo
7:05 pm - 4:35 pm
SJO
-
LHR
14h 30m
1 stop
$825Air France
Sat, Jun 6 - Mon, Jun 15

Air Canada flights from London Heathrow Airport to San José

Our best Air Canada deals on London Heathrow Airport to San José flight tickets
Air Canada
Apr 16
LHR8:45 amLondon Heathrow
20h 25m
2 stops
SJO10:10 pmSan José Juan Santamaria Intl
Apr 25
SJO7:55 amSan José Juan Santamaria Intl
18h 40m
1 stop
LHR9:35 amLondon Heathrow
$814
Air Canada
Apr 7
LHR8:45 amLondon Heathrow
20h 25m
2 stops
SJO10:10 pmSan José Juan Santamaria Intl
Apr 13
SJO7:55 amSan José Juan Santamaria Intl
15h 40m
1 stop
LHR6:35 amLondon Heathrow
$815
Air Canada
Apr 8
LHR7:30 pmLondon Heathrow
33h 40m
2 stops
SJO10:10 pmSan José Juan Santamaria Intl
Apr 13
SJO7:55 amSan José Juan Santamaria Intl
30h 05m
2 stops
LHR9:00 pmLondon Heathrow
$817

United Airlines flights from London Heathrow Airport to San José

Our best United Airlines deals on London Heathrow Airport to San José flight tickets
United Airlines
Mar 6
LHR6:50 amLondon Heathrow
19h 03m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Mar 10
SJO1:00 pmSan José Juan Santamaria Intl
15h 25m
1 stop
LHR10:25 amLondon Heathrow
$835
United Airlines
Mar 12
LHR6:35 amLondon Heathrow
20h 57m
2 stops
SJO9:32 pmSan José Juan Santamaria Intl
Mar 17
SJO7:45 amSan José Juan Santamaria Intl
18h 10m
2 stops
LHR7:55 amLondon Heathrow
$843
United Airlines
Mar 2
LHR6:50 amLondon Heathrow
19h 03m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Mar 26
SJO7:45 amSan José Juan Santamaria Intl
17h 45m
1 stop
LHR7:30 amLondon Heathrow
$846

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to San José 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 832,500 searches. Data last updated February 27, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 4/16

8:45 am-10:10 pm

2 stops20h 25m

San José Juan Santamaria Intl

Sat 4/25

7:55 am-9:35 am

1 stop18h 40m

$814

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 4/7

8:45 am-10:10 pm

2 stops20h 25m

San José Juan Santamaria Intl

Mon 4/13

7:55 am-6:35 am

1 stop15h 40m

$815

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 4/8

7:30 pm-10:10 pm

2 stops33h 40m

San José Juan Santamaria Intl

Mon 4/13

7:55 am-9:00 pm

2 stops30h 05m

$817

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 4/16

8:45 am-10:10 pm

2 stops20h 25m

San José Juan Santamaria Intl

Sat 4/25

7:55 am-10:00 am

2 stops19h 05m

$818

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 4/16

8:45 am-10:10 pm

2 stops20h 25m

San José Juan Santamaria Intl

Sat 4/25

7:55 am-10:00 am

2 stops19h 05m

$819

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 4/15

8:40 am-9:30 pm

2 stops19h 50m

San José Juan Santamaria Intl

Thu 4/30

7:55 am-8:35 am

1 stop17h 40m

$821

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 4/16

10:05 pm-8:50 am

1 stop17h 45m

San José Juan Santamaria Intl

Sat 5/2

4:00 pm-3:35 pm

1 stop16h 35m

$822

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 4/13

8:40 am-9:30 pm

2 stops19h 50m

San José Juan Santamaria Intl

Sun 4/26

8:05 am-11:50 am

2 stops20h 45m

$823

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 6/9

8:05 pm-5:35 pm

1 stop28h 30m

San José Juan Santamaria Intl

Fri 6/19

3:50 pm-4:25 pm

1 stop17h 35m

$824

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 6/6

6:15 am-5:00 pm

1 stop17h 45m

San José Juan Santamaria Intl

Mon 6/15

7:05 pm-4:35 pm

1 stop14h 30m

$825

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San José from

How to get the cheapest flight ticket from London Heathrow Airport to San José

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 typical price of a round-trip flight between London Heathrow Airport and San José?

What is the cheapest month to fly to San José?

In general, November is the cheapest month to fly from London Heathrow Airport to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $753. If you don’t want to visit San José in November, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $820.

What is the cheapest day to depart on your flight to San José?

On average, the least expensive day to fly to San José from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,258. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to San José on a Thursday will generally be more expensive and average around $1,567. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

How far in advance should I book a flight to San José?

You are more likely to see cheaper flights to San José from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $881 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from London Heathrow Airport for as low as $817 on momondo.

How have London Heathrow Airport to San José flight prices changed over time?

As of February 2026, prices for London Heathrow Airport to San José flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San José

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to San José (LHR to SJO) flight deals and tips

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

Fastest flight time

15h 05m

Direct flights

None
The fastest flight from London Heathrow Airport to San José takes 15h 05m
There are no direct flights from London Heathrow Airport to San José. There are no popular flight routes from London Heathrow Airport to San José.
Search flight deals

  • How far is London Heathrow to San José Juan Santamaria Intl by plane?

    There are 5405.7 mi between London Heathrow and San José Juan Santamaria Intl. A reasonable flight in good conditions will take 15h 05m.

  • When did momondo last update prices for flights from London Heathrow Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from London Heathrow Airport to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from London Heathrow Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The necessary travel and health documents for your San José Juan Santamaria Intl Airport 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 airline from London Heathrow Airport to San José?

Best airlines flying from London Heathrow Airport to San José

Compare and see reviews for airlines that fly from London Heathrow Airport to San José with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $728Free CancellationRating
7.4
9,349 reviews
Search United Airlines flights
Air CanadaPriceFrom $769Free CancellationRating
7.1
10,749 reviews
Search Air Canada flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Dominical
San Gerardo de Dota
Santa Elena
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from London to San José?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San José for you.

Can I find flights from London to San José with flexible booking policies on momondo?

Flights from London to San José with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to San José?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San José.

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

Price alerts on flights to San José from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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