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Cheap flights from London Heathrow Airport to San José from $520

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 2/4. 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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Find the cheapest flights from London Heathrow Airport to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
7:30 pm - 2:05 pmLHR-SJO
48h 35m2 stops
SWISS Logo
8:10 pm - 9:25 pmSJO-LHR
19h 15m3 stops
$767SWISS
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Mon, Nov 3 - Mon, Nov 10
United Airlines Logo
7:55 am - 12:56 pmLHR-SJO
35h 01m1 stop
United Airlines Logo
8:45 am - 7:30 amSJO-LHR
16h 45m1 stop
$775United Airlines
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Mon, Dec 29 - Sat, Jan 31
United Airlines Logo
2:10 pm - 12:26 pmLHR-SJO
29h 16m2 stops
United Airlines Logo
7:45 am - 11:15 amSJO-LHR
21h 30m2 stops
$777United Airlines
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Tue, Oct 21 - Wed, Oct 29
Air Canada Logo
6:00 pm - 10:55 pmLHR-SJO
34h 55m1 stop
Air Canada Logo
8:35 am - 6:30 amSJO-LHR
15h 55m1 stop
$791Air Canada
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Sat, Dec 27 - Wed, Jan 28
Air Canada Logo
6:00 pm - 10:55 pmLHR-SJO
34h 55m1 stop
Air Canada Logo
8:35 am - 8:35 pmSJO-LHR
30h 00m2 stops
$824Air Canada
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Tue, Dec 23 - Wed, Jan 7
Multiple Airlines Logo
7:40 am - 6:25 amLHR-SJO
28h 45m2 stops
Multiple Airlines Logo
8:35 am - 11:20 amSJO-LHR
20h 45m1 stop
$847Multiple Airlines
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Sat, Dec 13 - Tue, Dec 30
KLM Logo
1:05 pm - 11:58 amLHR-SJO
29h 53m1 stop
KLM Logo
8:30 pm - 5:00 pmSJO-LHR
14h 30m1 stop
$848KLM
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Tue, Oct 21 - Fri, Oct 31
Multiple Airlines Logo
6:40 pm - 2:05 pmLHR-SJO
25h 25m1 stop
Multiple Airlines Logo
8:40 pm - 8:50 pmSJO-LHR
18h 10m1 stop
$850Multiple Airlines
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Tue, Jan 6 - Sat, Feb 7
Delta Logo
1:00 pm - 12:50 pmLHR-SJO
29h 50m2 stops
Delta Logo
7:00 am - 6:50 amSJO-LHR
17h 50m2 stops
$905Delta
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Mon, Nov 3 - Sun, Nov 16
Delta Logo
4:10 pm - 1:05 pmLHR-SJO
26h 55m2 stops
Delta Logo
2:31 pm - 6:50 amSJO-LHR
34h 19m2 stops
$906Delta
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Mon, Nov 10 - Sun, Nov 16

SWISS flights from London Heathrow Airport to San José

Our best SWISS deals on London Heathrow Airport to San José flight tickets
SWISS
Nov 3
LHR7:30 pmLondon Heathrow
48h 35m
2 stops
SJO2:05 pmSan José Juan Santamaria Intl
Nov 10
SJO8:10 pmSan José Juan Santamaria Intl
19h 15m
3 stops
LHR9:25 pmLondon Heathrow
$767
Find similar
SWISS
Oct 24
LHR6:00 amLondon Heathrow
14h 45m
1 stop
SJO1:45 pmSan José Juan Santamaria Intl
Oct 31
SJO4:45 pmSan José Juan Santamaria Intl
17h 35m
1 stop
LHR4:20 pmLondon Heathrow
$790
Find similar
SWISS
Nov 12
LHR9:00 amLondon Heathrow
59h 50m
2 stops
SJO2:50 pmSan José Juan Santamaria Intl
Nov 26
SJO3:50 pmSan José Juan Santamaria Intl
23h 35m
3 stops
LHR9:25 pmLondon Heathrow
$815
Find similar

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
Dec 29
LHR7:55 amLondon Heathrow
35h 01m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
Jan 31
SJO8:45 amSan José Juan Santamaria Intl
16h 45m
1 stop
LHR7:30 amLondon Heathrow
$775
Find similar
United Airlines
Oct 21
LHR2:10 pmLondon Heathrow
29h 16m
2 stops
SJO12:26 pmSan José Juan Santamaria Intl
Oct 29
SJO7:45 amSan José Juan Santamaria Intl
21h 30m
2 stops
LHR11:15 amLondon Heathrow
$777
Find similar
United Airlines
Dec 11
LHR6:30 amLondon Heathrow
19h 23m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Dec 31
SJO7:30 amSan José Juan Santamaria Intl
20h 10m
1 stop
LHR9:40 amLondon Heathrow
$780
Find similar

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 October 14, 2025.
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

Mon 11/3

7:30 pm-2:05 pm

2 stops48h 35m

San José Juan Santamaria Intl

Mon 11/10

8:10 pm-9:25 pm

3 stops19h 15m

$767

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 12/29

7:55 am-12:56 pm

1 stop35h 01m

San José Juan Santamaria Intl

Sat 1/31

8:45 am-7:30 am

1 stop16h 45m

$775

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 10/21

2:10 pm-12:26 pm

2 stops29h 16m

San José Juan Santamaria Intl

Wed 10/29

7:45 am-11:15 am

2 stops21h 30m

$777

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 12/27

6:00 pm-10:55 pm

1 stop34h 55m

San José Juan Santamaria Intl

Wed 1/28

8:35 am-6:30 am

1 stop15h 55m

$791

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 12/23

6:00 pm-10:55 pm

1 stop34h 55m

San José Juan Santamaria Intl

Wed 1/7

8:35 am-8:35 pm

2 stops30h 00m

$824

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 12/13

7:40 am-6:25 am

2 stops28h 45m

San José Juan Santamaria Intl

Tue 12/30

8:35 am-11:20 am

1 stop20h 45m

$847

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 10/21

1:05 pm-11:58 am

1 stop29h 53m

San José Juan Santamaria Intl

Fri 10/31

8:30 pm-5:00 pm

1 stop14h 30m

$848

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 1/6

6:40 pm-2:05 pm

1 stop25h 25m

San José Juan Santamaria Intl

Sat 2/7

8:40 pm-8:50 pm

1 stop18h 10m

$850

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 11/3

1:00 pm-12:50 pm

2 stops29h 50m

San José Juan Santamaria Intl

Sun 11/16

7:00 am-6:50 am

2 stops17h 50m

$905

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 11/10

4:10 pm-1:05 pm

2 stops26h 55m

San José Juan Santamaria Intl

Sun 11/16

2:31 pm-6:50 am

2 stops34h 19m

$906

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 $756. 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.

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 Friday. momondo users have found tickets for Friday departures for as low as $839. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to San José on a Saturday will generally be more expensive and average around $2,595. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest London Heathrow Airport to San José flights are usually those with departure times in the afternoon. Our users have found flights to San José in the afternoon for as low as $897. Flights in the morning are often more expensive with an average ticket price of $1,361.

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 $875 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 $827 on momondo.

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

As of October 2025, prices for London Heathrow Airport to San José flights are approximately 21% 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

Direct flights

None
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.
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  • 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 14h 45m.

  • 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
8,973 reviews
Search United Airlines flights
Air CanadaPriceFrom $754Free CancellationRating
7.1
10,288 reviews
Search Air Canada flights
American AirlinesPriceFrom $880Free CancellationRating
7.2
11,043 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
Alajuela
Monteverde
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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