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Cheap flights from London Heathrow Airport to San José from $498

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 6/15. 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.
Avianca Logo
9:40 pm - 8:50 am
LHR
-
SJO
17h 10m
1 stop
Avianca Logo
4:15 pm - 2:35 pm
SJO
-
LHR
16h 20m
1 stop
$808Avianca
Thu, Nov 19 - Thu, Dec 3
Avianca Logo
9:40 pm - 3:20 pm
LHR
-
SJO
23h 40m
1 stop
Avianca Logo
9:45 am - 2:35 pm
SJO
-
LHR
22h 50m
1 stop
$811Avianca
Thu, Nov 19 - Thu, Dec 3
Avianca Logo
9:40 pm - 3:20 pm
LHR
-
SJO
23h 40m
1 stop
Avianca Logo
9:45 am - 2:35 pm
SJO
-
LHR
22h 50m
1 stop
$814Avianca
Thu, Nov 19 - Thu, Dec 3
Avianca Logo
9:40 pm - 3:20 pm
LHR
-
SJO
23h 40m
1 stop
Avianca Logo
6:00 am - 2:35 pm
SJO
-
LHR
26h 35m
2 stops
$817Avianca
Thu, Nov 12 - Wed, Nov 25
Avianca Logo
9:40 pm - 7:45 am
LHR
-
SJO
40h 05m
2 stops
Avianca Logo
6:00 am - 2:35 pm
SJO
-
LHR
26h 35m
2 stops
$819Avianca
Sun, Nov 15 - Sun, Nov 29
Avianca Logo
9:40 pm - 3:20 pm
LHR
-
SJO
23h 40m
1 stop
Avianca Logo
6:00 am - 2:35 pm
SJO
-
LHR
26h 35m
2 stops
$822Avianca
Thu, Nov 19 - Thu, Dec 3
Avianca Logo
9:40 pm - 8:50 am
LHR
-
SJO
17h 10m
1 stop
Avianca Logo
4:15 pm - 2:35 pm
SJO
-
LHR
16h 20m
1 stop
$827Avianca
Thu, Nov 19 - Thu, Dec 3
Avianca Logo
9:40 pm - 3:20 pm
LHR
-
SJO
23h 40m
1 stop
Avianca Logo
6:00 am - 2:35 pm
SJO
-
LHR
26h 35m
2 stops
$830Avianca
Thu, Nov 19 - Thu, Dec 3
Avianca Logo
9:40 pm - 11:15 pm
LHR
-
SJO
31h 35m
2 stops
Avianca Logo
6:00 am - 2:35 pm
SJO
-
LHR
26h 35m
2 stops
$839Avianca
Thu, Nov 19 - Thu, Dec 3
Avianca Logo
9:40 pm - 11:15 pm
LHR
-
SJO
31h 35m
2 stops
Avianca Logo
6:00 am - 2:35 pm
SJO
-
LHR
26h 35m
2 stops
$842Avianca
Thu, Nov 12 - Wed, Nov 25

KLM flights from London Heathrow Airport to San José

Our best KLM deals on London Heathrow Airport to San José flight tickets
KLM
Jun 6
LHR6:30 amLondon Heathrow
16h 50m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
Jun 20
SJO6:25 pmSan José Juan Santamaria Intl
14h 50m
1 stop
LHR4:15 pmLondon Heathrow
$876
KLM
Jun 20
LHR8:40 amLondon Heathrow
14h 40m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
Jul 2
SJO6:25 pmSan José Juan Santamaria Intl
19h 30m
1 stop
LHR8:55 pmLondon Heathrow
$901
KLM
Jun 6
LHR6:30 amLondon Heathrow
16h 50m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
Jun 20
SJO6:25 pmSan José Juan Santamaria Intl
14h 50m
1 stop
LHR4:15 pmLondon Heathrow
$902

Lufthansa flights from London Heathrow Airport to San José

Our best Lufthansa deals on London Heathrow Airport to San José flight tickets
Lufthansa
Oct 30
LHR9:30 amLondon Heathrow
15h 25m
1 stop
SJO6:55 pmSan José Juan Santamaria Intl
Nov 8
SJO8:40 pmSan José Juan Santamaria Intl
15h 05m
1 stop
LHR5:45 pmLondon Heathrow
$910
Lufthansa
Sep 9
LHR8:25 pmLondon Heathrow
28h 10m
2 stops
SJO5:35 pmSan José Juan Santamaria Intl
Oct 20
SJO7:25 pmSan José Juan Santamaria Intl
14h 15m
1 stop
LHR4:40 pmLondon Heathrow
$930

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 May 24, 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
Quickest round-trip

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/19

9:40 pm-8:50 am

1 stop17h 10m

San José Juan Santamaria Intl

Thu 12/3

4:15 pm-2:35 pm

1 stop16h 20m

$808

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/19

9:40 pm-3:20 pm

1 stop23h 40m

San José Juan Santamaria Intl

Thu 12/3

9:45 am-2:35 pm

1 stop22h 50m

$811

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/19

9:40 pm-3:20 pm

1 stop23h 40m

San José Juan Santamaria Intl

Thu 12/3

9:45 am-2:35 pm

1 stop22h 50m

$814

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/12

9:40 pm-3:20 pm

1 stop23h 40m

San José Juan Santamaria Intl

Wed 11/25

6:00 am-2:35 pm

2 stops26h 35m

$817

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 11/15

9:40 pm-7:45 am

2 stops40h 05m

San José Juan Santamaria Intl

Sun 11/29

6:00 am-2:35 pm

2 stops26h 35m

$819

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/19

9:40 pm-3:20 pm

1 stop23h 40m

San José Juan Santamaria Intl

Thu 12/3

6:00 am-2:35 pm

2 stops26h 35m

$822

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/19

9:40 pm-8:50 am

1 stop17h 10m

San José Juan Santamaria Intl

Thu 12/3

4:15 pm-2:35 pm

1 stop16h 20m

$827

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/19

9:40 pm-3:20 pm

1 stop23h 40m

San José Juan Santamaria Intl

Thu 12/3

6:00 am-2:35 pm

2 stops26h 35m

$830

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/19

9:40 pm-11:15 pm

2 stops31h 35m

San José Juan Santamaria Intl

Thu 12/3

6:00 am-2:35 pm

2 stops26h 35m

$839

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 11/12

9:40 pm-11:15 pm

2 stops31h 35m

San José Juan Santamaria Intl

Wed 11/25

6:00 am-2:35 pm

2 stops26h 35m

$842

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 $770. If you don’t want to visit San José in November, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $811.

How far in advance should I book a flight from London Heathrow Airport 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 $910 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 $807 on momondo.

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

As of May 2026, prices for London Heathrow Airport to San José flights are approximately 16% 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

11h 30m

Direct flights

Mon, Wed, Thu, Sat and Sun

Airports in San José

1 airport
The fastest flight from London Heathrow Airport to San José takes 11h 30m
Direct flights go from London Heathrow Airport to San José on Monday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San José. From London Heathrow Airport there are direct flights to San José Juan Santamaria Intl (SJO).
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to San José

  • 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 11h 30m.

  • 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 plane model from London Heathrow Airport to San José?

  • 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
AviancaPriceFrom $665Free CancellationRating
6.5
2,528 reviews
Search Avianca flights
United AirlinesPriceFrom $728Free CancellationRating
7.4
9,750 reviews
Search United Airlines flights
Air CanadaPriceFrom $811Free CancellationRating
7.1
11,083 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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