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Cheap flights from London Heathrow Airport to San José from $518

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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
4:00 pm - 12:56 pmLHR-SJO
26h 56m2 stops
United Airlines Logo
6:30 am - 6:20 amSJO-LHR
17h 50m2 stops
$685United Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 24
United Airlines Logo
10:00 am - 8:39 pmLHR-SJO
16h 39m1 stop
United Airlines Logo
8:40 am - 12:00 pmSJO-LHR
21h 20m1 stop
$688United Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 10
American Airlines Logo
8:20 am - 10:40 pmLHR-SJO
20h 20m1 stop
American Airlines Logo
3:04 pm - 12:15 pmSJO-LHR
15h 11m1 stop
$694American Airlines
Find Deal
Thu, Feb 19 - Fri, Feb 27
SWISS Logo
8:05 pm - 2:05 pmLHR-SJO
24h 00m1 stop
SWISS Logo
7:20 pm - 7:20 pmSJO-LHR
17h 00m2 stops
$702SWISS
Find Deal
Tue, Mar 10 - Wed, Apr 8
United Airlines Logo
9:30 am - 8:32 amLHR-SJO
29h 02m2 stops
United Airlines Logo
9:40 am - 7:25 amSJO-LHR
39h 45m1 stop
$703United Airlines
Find Deal
Thu, Feb 19 - Fri, Feb 27
United Airlines Logo
4:15 pm - 10:11 amLHR-SJO
24h 56m2 stops
United Airlines Logo
7:55 am - 7:40 pmSJO-LHR
28h 45m2 stops
$705United Airlines
Find Deal
Mon, Apr 6 - Thu, Apr 16
SWISS Logo
8:05 pm - 6:25 pmLHR-SJO
28h 20m1 stop
SWISS Logo
7:20 pm - 7:20 pmSJO-LHR
17h 00m2 stops
$706SWISS
Find Deal
Sun, Mar 22 - Wed, Apr 8
American Airlines Logo
8:20 am - 9:55 pmLHR-SJO
20h 35m1 stop
American Airlines Logo
1:45 pm - 12:10 pmSJO-LHR
15h 25m1 stop
$707American Airlines
Find Deal
Sat, Apr 11 - Fri, May 1
American Airlines Logo
10:05 am - 9:55 pmLHR-SJO
18h 50m1 stop
American Airlines Logo
7:10 am - 6:55 amSJO-LHR
16h 45m1 stop
$710American Airlines
Find Deal
Sat, Apr 11 - Fri, May 1
American Airlines Logo
9:15 am - 6:25 pmLHR-SJO
16h 10m2 stops
American Airlines Logo
2:35 pm - 12:30 pmSJO-LHR
14h 55m1 stop
$711American Airlines
Find Deal
Thu, Apr 16 - Sat, Apr 25

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
Jan 7
LHR4:00 pmLondon Heathrow
26h 56m
2 stops
SJO12:56 pmSan José Juan Santamaria Intl
Jan 24
SJO6:30 amSan José Juan Santamaria Intl
17h 50m
2 stops
LHR6:20 amLondon Heathrow
$685
Find similar
United Airlines
Mar 1
LHR10:00 amLondon Heathrow
16h 39m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Mar 10
SJO8:40 amSan José Juan Santamaria Intl
21h 20m
1 stop
LHR12:00 pmLondon Heathrow
$688
Find similar
United Airlines
Feb 19
LHR9:30 amLondon Heathrow
29h 02m
2 stops
SJO8:32 amSan José Juan Santamaria Intl
Feb 27
SJO9:40 amSan José Juan Santamaria Intl
39h 45m
1 stop
LHR7:25 amLondon Heathrow
$703
Find similar

American Airlines flights from London Heathrow Airport to San José

Our best American Airlines deals on London Heathrow Airport to San José flight tickets
American Airlines
Feb 19
LHR8:20 amLondon Heathrow
20h 20m
1 stop
SJO10:40 pmSan José Juan Santamaria Intl
Feb 27
SJO3:04 pmSan José Juan Santamaria Intl
15h 11m
1 stop
LHR12:15 pmLondon Heathrow
$694
Find similar
American Airlines
Apr 11
LHR8:20 amLondon Heathrow
20h 35m
1 stop
SJO9:55 pmSan José Juan Santamaria Intl
May 1
SJO1:45 pmSan José Juan Santamaria Intl
15h 25m
1 stop
LHR12:10 pmLondon Heathrow
$707
Find similar
American Airlines
Apr 11
LHR10:05 amLondon Heathrow
18h 50m
1 stop
SJO9:55 pmSan José Juan Santamaria Intl
May 1
SJO7:10 amSan José Juan Santamaria Intl
16h 45m
1 stop
LHR6:55 amLondon Heathrow
$710
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 November 12, 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

Wed 1/7

4:00 pm-12:56 pm

2 stops26h 56m

San José Juan Santamaria Intl

Sat 1/24

6:30 am-6:20 am

2 stops17h 50m

$685

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 3/1

10:00 am-8:39 pm

1 stop16h 39m

San José Juan Santamaria Intl

Tue 3/10

8:40 am-12:00 pm

1 stop21h 20m

$688

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 2/19

8:20 am-10:40 pm

1 stop20h 20m

San José Juan Santamaria Intl

Fri 2/27

3:04 pm-12:15 pm

1 stop15h 11m

$694

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 3/10

8:05 pm-2:05 pm

1 stop24h 00m

San José Juan Santamaria Intl

Wed 4/8

7:20 pm-7:20 pm

2 stops17h 00m

$702

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 2/19

9:30 am-8:32 am

2 stops29h 02m

San José Juan Santamaria Intl

Fri 2/27

9:40 am-7:25 am

1 stop39h 45m

$703

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 4/6

4:15 pm-10:11 am

2 stops24h 56m

San José Juan Santamaria Intl

Thu 4/16

7:55 am-7:40 pm

2 stops28h 45m

$705

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 3/22

8:05 pm-6:25 pm

1 stop28h 20m

San José Juan Santamaria Intl

Wed 4/8

7:20 pm-7:20 pm

2 stops17h 00m

$706

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 4/11

8:20 am-9:55 pm

1 stop20h 35m

San José Juan Santamaria Intl

Fri 5/1

1:45 pm-12:10 pm

1 stop15h 25m

$707

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 4/11

10:05 am-9:55 pm

1 stop18h 50m

San José Juan Santamaria Intl

Fri 5/1

7:10 am-6:55 am

1 stop16h 45m

$710

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 4/16

9:15 am-6:25 pm

2 stops16h 10m

San José Juan Santamaria Intl

Sat 4/25

2:35 pm-12:30 pm

1 stop14h 55m

$711

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 $812.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $1,309. 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 $1,334.

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 $814 on momondo.

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

As of November 2025, prices for London Heathrow Airport to San José flights are approximately 6% 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 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
9,015 reviews
Search United Airlines flights
Air CanadaPriceFrom $754Free CancellationRating
7.1
10,444 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
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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