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Cheap flights from London Heathrow Airport to San José from $440

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 4/15. 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.
JetBlue Logo
8:05 am - 10:48 pmLHR-SJO
20h 43m1 stop
JetBlue Logo
11:45 pm - 9:40 pmSJO-LHR
15h 55m1 stop
$720JetBlue
Find Deal
Mon, Feb 23 - Mon, Mar 16
Multiple Airlines Logo
6:30 am - 10:55 pmLHR-SJO
22h 25m2 stops
Multiple Airlines Logo
8:35 am - 11:20 amSJO-LHR
20h 45m1 stop
$751Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Jan 15
JetBlue Logo
8:05 am - 10:48 pmLHR-SJO
20h 43m1 stop
JetBlue Logo
11:45 pm - 8:45 pmSJO-LHR
15h 00m1 stop
$763JetBlue
Find Deal
Mon, Feb 23 - Sat, Mar 21
Avianca Logo
9:40 pm - 3:20 pmLHR-SJO
23h 40m1 stop
Avianca Logo
9:45 am - 2:35 pmSJO-LHR
22h 50m1 stop
$780Avianca
Find Deal
Sun, Feb 15 - Wed, Feb 25
Avianca Logo
9:40 pm - 8:50 amLHR-SJO
17h 10m1 stop
Avianca Logo
4:15 pm - 2:35 pmSJO-LHR
16h 20m1 stop
$781Avianca
Find Deal
Sat, Mar 7 - Fri, Mar 13
Air Canada Logo
6:50 am - 9:35 pmLHR-SJO
21h 45m2 stops
Air Canada Logo
6:15 am - 10:00 amSJO-LHR
20h 45m1 stop
$782Air Canada
Find Deal
Sat, Apr 18 - Mon, May 4
Avianca Logo
9:40 pm - 7:45 amLHR-SJO
40h 05m2 stops
Avianca Logo
4:15 pm - 2:35 pmSJO-LHR
16h 20m1 stop
$783Avianca
Find Deal
Sun, Feb 15 - Wed, Feb 25
Avianca Logo
9:40 pm - 11:15 pmLHR-SJO
31h 35m2 stops
Avianca Logo
4:15 pm - 2:35 pmSJO-LHR
16h 20m1 stop
$784Avianca
Find Deal
Sat, Mar 7 - Fri, Mar 13
Avianca Logo
9:40 pm - 7:45 amLHR-SJO
40h 05m2 stops
Avianca Logo
6:00 am - 2:35 pmSJO-LHR
26h 35m2 stops
$786Avianca
Find Deal
Sun, Feb 15 - Wed, Feb 25
Avianca Logo
9:40 pm - 11:15 pmLHR-SJO
31h 35m2 stops
Avianca Logo
9:45 am - 2:35 pmSJO-LHR
22h 50m1 stop
$787Avianca
Find Deal
Sat, Mar 7 - Fri, Mar 13

JetBlue flights from London Heathrow Airport to San José

Our best JetBlue deals on London Heathrow Airport to San José flight tickets
JetBlue
Feb 23
LHR8:05 amLondon Heathrow
20h 43m
1 stop
SJO10:48 pmSan José Juan Santamaria Intl
Mar 16
SJO11:45 pmSan José Juan Santamaria Intl
15h 55m
1 stop
LHR9:40 pmLondon Heathrow
$720
Find similar
JetBlue
Feb 23
LHR8:05 amLondon Heathrow
20h 43m
1 stop
SJO10:48 pmSan José Juan Santamaria Intl
Mar 21
SJO11:45 pmSan José Juan Santamaria Intl
15h 00m
1 stop
LHR8:45 pmLondon Heathrow
$763
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
Jan 26
LHR7:30 amLondon Heathrow
18h 23m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Apr 28
SJO8:45 amSan José Juan Santamaria Intl
19h 25m
1 stop
LHR11:10 amLondon Heathrow
$811
Find similar
United Airlines
Mar 2
LHR7:30 amLondon Heathrow
18h 23m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Mar 22
SJO5:40 amSan José Juan Santamaria Intl
25h 50m
1 stop
LHR1:30 pmLondon Heathrow
$812
Find similar
United Airlines
Mar 1
LHR6:50 amLondon Heathrow
19h 03m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Mar 12
SJO5:30 amSan José Juan Santamaria Intl
20h 00m
1 stop
LHR7:30 amLondon Heathrow
$814
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 26, 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 2/23

8:05 am-10:48 pm

1 stop20h 43m

San José Juan Santamaria Intl

Mon 3/16

11:45 pm-9:40 pm

1 stop15h 55m

$720

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 12/11

6:30 am-10:55 pm

2 stops22h 25m

San José Juan Santamaria Intl

Thu 1/15

8:35 am-11:20 am

1 stop20h 45m

$751

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 2/23

8:05 am-10:48 pm

1 stop20h 43m

San José Juan Santamaria Intl

Sat 3/21

11:45 pm-8:45 pm

1 stop15h 00m

$763

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 2/15

9:40 pm-3:20 pm

1 stop23h 40m

San José Juan Santamaria Intl

Wed 2/25

9:45 am-2:35 pm

1 stop22h 50m

$780

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 3/7

9:40 pm-8:50 am

1 stop17h 10m

San José Juan Santamaria Intl

Fri 3/13

4:15 pm-2:35 pm

1 stop16h 20m

$781

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 4/18

6:50 am-9:35 pm

2 stops21h 45m

San José Juan Santamaria Intl

Mon 5/4

6:15 am-10:00 am

1 stop20h 45m

$782

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 2/15

9:40 pm-7:45 am

2 stops40h 05m

San José Juan Santamaria Intl

Wed 2/25

4:15 pm-2:35 pm

1 stop16h 20m

$783

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 3/7

9:40 pm-11:15 pm

2 stops31h 35m

San José Juan Santamaria Intl

Fri 3/13

4:15 pm-2:35 pm

1 stop16h 20m

$784

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 2/15

9:40 pm-7:45 am

2 stops40h 05m

San José Juan Santamaria Intl

Wed 2/25

6:00 am-2:35 pm

2 stops26h 35m

$786

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 3/7

9:40 pm-11:15 pm

2 stops31h 35m

San José Juan Santamaria Intl

Fri 3/13

9:45 am-2:35 pm

1 stop22h 50m

$787

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 $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 $814.

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 $1,258.

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 $820 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

Fastest flight time

16h 37m

Direct flights

None
The fastest flight from London Heathrow Airport to San José takes 16h 37m
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 14h 55m.

  • 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
9,050 reviews
Search United Airlines flights
Air CanadaPriceFrom $754Free CancellationRating
7.1
10,481 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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