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Cheap flights from London Heathrow Airport to San José from $381

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 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
9:00 am - 12:05 am
LHR
-
SJO
21h 05m
2 stops
Air Canada Logo
7:35 am - 6:30 am
SJO
-
LHR
16h 55m
1 stop
$777Air Canada
Wed, Mar 4 - Tue, Mar 10
Air Canada Logo
9:00 am - 12:05 am
LHR
-
SJO
21h 05m
2 stops
Air Canada Logo
8:50 am - 8:05 am
SJO
-
LHR
17h 15m
2 stops
$782Air Canada
Wed, Jan 28 - Mon, Feb 9
Air Canada Logo
9:00 am - 12:05 am
LHR
-
SJO
21h 05m
2 stops
Air Canada Logo
8:50 am - 7:10 am
SJO
-
LHR
16h 20m
1 stop
$783Air Canada
Wed, Jan 28 - Sat, Feb 7
Multiple Airlines Logo
9:00 am - 11:15 pm
LHR
-
SJO
20h 15m
2 stops
Multiple Airlines Logo
8:35 am - 8:30 am
SJO
-
LHR
17h 55m
1 stop
$784Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
JetBlue Logo
12:20 pm - 10:36 pm
LHR
-
SJO
16h 16m
1 stop
JetBlue Logo
11:45 pm - 9:40 pm
SJO
-
LHR
15h 55m
1 stop
$788JetBlue
Tue, Mar 17 - Wed, Mar 25
Air Canada Logo
9:00 am - 12:05 am
LHR
-
SJO
21h 05m
2 stops
Air Canada Logo
8:35 am - 11:20 am
SJO
-
LHR
20h 45m
1 stop
$789Air Canada
Wed, Feb 11 - Thu, Feb 19
Multiple Airlines Logo
6:00 am - 11:15 pm
LHR
-
SJO
23h 15m
2 stops
Multiple Airlines Logo
8:35 am - 9:45 am
SJO
-
LHR
19h 10m
2 stops
$790Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Air Canada Logo
6:50 am - 11:15 pm
LHR
-
SJO
22h 25m
2 stops
Air Canada Logo
7:35 am - 8:30 am
SJO
-
LHR
18h 55m
1 stop
$792Air Canada
Fri, Feb 20 - Sun, Mar 8
Air Canada Logo
9:00 am - 12:05 am
LHR
-
SJO
21h 05m
2 stops
Air Canada Logo
8:50 am - 6:30 am
SJO
-
LHR
39h 40m
2 stops
$793Air Canada
Wed, Feb 11 - Sat, Feb 21
Multiple Airlines Logo
8:30 am - 12:05 am
LHR
-
SJO
21h 35m
2 stops
Multiple Airlines Logo
8:35 am - 11:20 am
SJO
-
LHR
20h 45m
1 stop
$795Multiple Airlines
Wed, Jan 28 - Sun, Feb 8

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
Mar 4
LHR9:00 amLondon Heathrow
21h 05m
2 stops
SJO12:05 amSan José Juan Santamaria Intl
Mar 10
SJO7:35 amSan José Juan Santamaria Intl
16h 55m
1 stop
LHR6:30 amLondon Heathrow
$777
Air Canada
Jan 28
LHR9:00 amLondon Heathrow
21h 05m
2 stops
SJO12:05 amSan José Juan Santamaria Intl
Feb 9
SJO8:50 amSan José Juan Santamaria Intl
17h 15m
2 stops
LHR8:05 amLondon Heathrow
$782
Air Canada
Jan 28
LHR9:00 amLondon Heathrow
21h 05m
2 stops
SJO12:05 amSan José Juan Santamaria Intl
Feb 7
SJO8:50 amSan José Juan Santamaria Intl
16h 20m
1 stop
LHR7:10 amLondon Heathrow
$783

Avianca flights from London Heathrow Airport to San José

Our best Avianca deals on London Heathrow Airport to San José flight tickets
Avianca
Feb 24
LHR9:40 pmLondon Heathrow
23h 40m
1 stop
SJO3:20 pmSan José Juan Santamaria Intl
Mar 3
SJO9:45 amSan José Juan Santamaria Intl
22h 50m
1 stop
LHR2:35 pmLondon Heathrow
$804
Avianca
Mar 4
LHR9:40 pmLondon Heathrow
40h 05m
2 stops
SJO7:45 amSan José Juan Santamaria Intl
Mar 10
SJO6:00 amSan José Juan Santamaria Intl
26h 35m
2 stops
LHR2:35 pmLondon Heathrow
$805
Avianca
Mar 17
LHR9:40 pmLondon Heathrow
17h 10m
1 stop
SJO8:50 amSan José Juan Santamaria Intl
Mar 26
SJO9:45 amSan José Juan Santamaria Intl
22h 50m
1 stop
LHR2:35 pmLondon Heathrow
$814

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 January 15, 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

Wed 3/4

9:00 am-12:05 am

2 stops21h 05m

San José Juan Santamaria Intl

Tue 3/10

7:35 am-6:30 am

1 stop16h 55m

$777

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 1/28

9:00 am-12:05 am

2 stops21h 05m

San José Juan Santamaria Intl

Mon 2/9

8:50 am-8:05 am

2 stops17h 15m

$782

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 1/28

9:00 am-12:05 am

2 stops21h 05m

San José Juan Santamaria Intl

Sat 2/7

8:50 am-7:10 am

1 stop16h 20m

$783

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 2/17

9:00 am-11:15 pm

2 stops20h 15m

San José Juan Santamaria Intl

Tue 2/24

8:35 am-8:30 am

1 stop17h 55m

$784

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 3/17

12:20 pm-10:36 pm

1 stop16h 16m

San José Juan Santamaria Intl

Wed 3/25

11:45 pm-9:40 pm

1 stop15h 55m

$788

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 2/11

9:00 am-12:05 am

2 stops21h 05m

San José Juan Santamaria Intl

Thu 2/19

8:35 am-11:20 am

1 stop20h 45m

$789

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 2/17

6:00 am-11:15 pm

2 stops23h 15m

San José Juan Santamaria Intl

Tue 2/24

8:35 am-9:45 am

2 stops19h 10m

$790

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 2/20

6:50 am-11:15 pm

2 stops22h 25m

San José Juan Santamaria Intl

Sun 3/8

7:35 am-8:30 am

1 stop18h 55m

$792

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 2/11

9:00 am-12:05 am

2 stops21h 05m

San José Juan Santamaria Intl

Sat 2/21

8:50 am-6:30 am

2 stops39h 40m

$793

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 1/28

8:30 am-12:05 am

2 stops21h 35m

San José Juan Santamaria Intl

Sun 2/8

8:35 am-11:20 am

1 stop20h 45m

$795

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 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 $752. 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 $814.

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 $868 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 $820 on momondo.

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

As of January 2026, prices for London Heathrow Airport to San José flights are approximately 41% more expensive 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

21h 05m

Direct flights

None
The fastest flight from London Heathrow Airport to San José takes 21h 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 21h 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
9,164 reviews
Search United Airlines flights
Air CanadaPriceFrom $769Free CancellationRating
7.1
10,622 reviews
Search Air Canada flights
American AirlinesPriceFrom $847Free CancellationRating
7.2
11,132 reviews
Search American Airlines 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
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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