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Cheap flights from London Heathrow Airport to San José from $367

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 4/29. 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
1 adult, Economy, 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.
Avianca Logo
10:05 pm - 11:15 pm
LHR
-
SJO
32h 10m
2 stops
Avianca Logo
9:25 am - 3:35 pm
SJO
-
LHR
23h 10m
1 stop
$786Avianca
Fri, Jun 5 - Thu, Jun 11
Avianca Logo
10:05 pm - 8:30 am
LHR
-
SJO
41h 25m
2 stops
Avianca Logo
5:25 pm - 3:35 pm
SJO
-
LHR
39h 10m
2 stops
$799Avianca
Sun, May 3 - Mon, May 11
Avianca Logo
10:05 pm - 11:15 pm
LHR
-
SJO
32h 10m
2 stops
Avianca Logo
4:35 pm - 3:35 pm
SJO
-
LHR
40h 00m
2 stops
$800Avianca
Fri, Jun 5 - Sat, Jun 13
Avianca Logo
10:05 pm - 8:50 am
LHR
-
SJO
17h 45m
1 stop
Avianca Logo
5:25 pm - 3:35 pm
SJO
-
LHR
39h 10m
2 stops
$806Avianca
Thu, May 7 - Sat, May 16
Avianca Logo
10:05 pm - 3:25 pm
LHR
-
SJO
24h 20m
1 stop
Avianca Logo
4:00 pm - 3:35 pm
SJO
-
LHR
16h 35m
1 stop
$809Avianca
Mon, Sep 14 - Mon, Sep 28
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
$810Avianca
Wed, Apr 22 - Sat, May 2
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
$811Avianca
Sat, Apr 18 - Mon, May 4
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
$812Avianca
Mon, Sep 14 - Mon, Sep 28
Avianca Logo
10:05 pm - 11:15 pm
LHR
-
SJO
32h 10m
2 stops
Avianca Logo
4:00 pm - 3:35 pm
SJO
-
LHR
16h 35m
1 stop
$813Avianca
Wed, Apr 22 - Sat, May 2
Avianca Logo
10:05 pm - 3:25 pm
LHR
-
SJO
24h 20m
1 stop
Avianca Logo
5:45 am - 3:35 pm
SJO
-
LHR
26h 50m
2 stops
$814Avianca
Mon, Sep 14 - Mon, Sep 28

Avianca flights from London Heathrow Airport to San José

Our best Avianca deals on London Heathrow Airport to San José flight tickets
Avianca
Jun 5
LHR10:05 pmLondon Heathrow
32h 10m
2 stops
SJO11:15 pmSan José Juan Santamaria Intl
Jun 11
SJO9:25 amSan José Juan Santamaria Intl
23h 10m
1 stop
LHR3:35 pmLondon Heathrow
$786
Avianca
May 3
LHR10:05 pmLondon Heathrow
41h 25m
2 stops
SJO8:30 amSan José Juan Santamaria Intl
May 11
SJO5:25 pmSan José Juan Santamaria Intl
39h 10m
2 stops
LHR3:35 pmLondon Heathrow
$799
Avianca
Jun 5
LHR10:05 pmLondon Heathrow
32h 10m
2 stops
SJO11:15 pmSan José Juan Santamaria Intl
Jun 13
SJO4:35 pmSan José Juan Santamaria Intl
40h 00m
2 stops
LHR3:35 pmLondon Heathrow
$800

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
Apr 10
LHR7:30 amLondon Heathrow
20h 45m
2 stops
SJO9:15 pmSan José Juan Santamaria Intl
Apr 18
SJO6:00 amSan José Juan Santamaria Intl
23h 25m
2 stops
LHR12:25 pmLondon Heathrow
$924
United Airlines
Apr 9
LHR7:30 amLondon Heathrow
19h 49m
2 stops
SJO8:19 pmSan José Juan Santamaria Intl
Apr 17
SJO1:25 pmSan José Juan Santamaria Intl
34h 20m
2 stops
LHR6:45 amLondon Heathrow
$925
United Airlines
Apr 10
LHR7:30 amLondon Heathrow
20h 45m
2 stops
SJO9:15 pmSan José Juan Santamaria Intl
Apr 19
SJO1:25 pmSan José Juan Santamaria Intl
34h 20m
2 stops
LHR6:45 amLondon Heathrow
$927

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 March 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

Cheapest round-trip

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 6/5

10:05 pm-11:15 pm

2 stops32h 10m

San José Juan Santamaria Intl

Thu 6/11

9:25 am-3:35 pm

1 stop23h 10m

$786

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 5/3

10:05 pm-8:30 am

2 stops41h 25m

San José Juan Santamaria Intl

Mon 5/11

5:25 pm-3:35 pm

2 stops39h 10m

$799

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 6/5

10:05 pm-11:15 pm

2 stops32h 10m

San José Juan Santamaria Intl

Sat 6/13

4:35 pm-3:35 pm

2 stops40h 00m

$800

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 5/7

10:05 pm-8:50 am

1 stop17h 45m

San José Juan Santamaria Intl

Sat 5/16

5:25 pm-3:35 pm

2 stops39h 10m

$806

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 9/14

10:05 pm-3:25 pm

1 stop24h 20m

San José Juan Santamaria Intl

Mon 9/28

4:00 pm-3:35 pm

1 stop16h 35m

$809
Quickest round-trip

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 4/22

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

$810

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 4/18

10:05 pm-8:50 am

1 stop17h 45m

San José Juan Santamaria Intl

Mon 5/4

4:00 pm-3:35 pm

1 stop16h 35m

$811

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 9/14

10:05 pm-8:50 am

1 stop17h 45m

San José Juan Santamaria Intl

Mon 9/28

4:00 pm-3:35 pm

1 stop16h 35m

$812

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 4/22

10:05 pm-11:15 pm

2 stops32h 10m

San José Juan Santamaria Intl

Sat 5/2

4:00 pm-3:35 pm

1 stop16h 35m

$813

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 9/14

10:05 pm-3:25 pm

1 stop24h 20m

San José Juan Santamaria Intl

Mon 9/28

5:45 am-3:35 pm

2 stops26h 50m

$814

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 $828.

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 $886 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 March 2026, prices for London Heathrow Airport to San José flights are approximately 23% 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 50m

Direct flights

None
The fastest flight from London Heathrow Airport to San José takes 15h 50m
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 50m.

  • 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
9,491 reviews
Search United Airlines flights
Air CanadaPriceFrom $792Free CancellationRating
7.1
10,844 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
Santa Elena
Dominical
San Gerardo de Dota
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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