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Cheap flights from San José to London from $436

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José to London departing on 3/15. 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 San José to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:35 pm - 11:40 am
SJO
-
LHR
15h 05m
1 stop
Multiple Airlines Logo
6:20 am - 5:50 pm
LHR
-
SJO
17h 30m
1 stop
$689Multiple Airlines
Mon, Mar 2 - Tue, Mar 17
Multiple Airlines Logo
2:35 pm - 11:40 am
SJO
-
LHR
15h 05m
1 stop
Multiple Airlines Logo
6:20 am - 5:50 pm
LHR
-
SJO
17h 30m
1 stop
$691Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
1:20 pm - 11:40 am
SJO
-
LHR
16h 20m
1 stop
Multiple Airlines Logo
6:20 am - 5:50 pm
LHR
-
SJO
17h 30m
1 stop
$698Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Multiple Airlines Logo
1:20 pm - 11:40 am
SJO
-
LHR
16h 20m
1 stop
Multiple Airlines Logo
8:55 am - 5:50 pm
LHR
-
SJO
14h 55m
1 stop
$699Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
2:25 pm - 11:40 am
SJO
-
LHR
15h 15m
1 stop
Multiple Airlines Logo
8:55 am - 5:10 pm
LHR
-
SJO
15h 15m
1 stop
$706Multiple Airlines
Tue, Mar 3 - Mon, May 4
KLM Logo
1:25 pm - 1:15 pm
SJO
-
LHR
16h 50m
1 stop
KLM Logo
8:40 am - 4:20 pm
LHR
-
SJO
14h 40m
1 stop
$714KLM
Sat, May 9 - Sat, May 30
Multiple Airlines Logo
1:21 pm - 1:15 pm
SJO
-
LHR
16h 54m
1 stop
Multiple Airlines Logo
8:55 am - 5:10 pm
LHR
-
SJO
15h 15m
1 stop
$717Multiple Airlines
Mon, May 4 - Wed, May 20
Multiple Airlines Logo
1:21 pm - 1:15 pm
SJO
-
LHR
16h 54m
1 stop
Multiple Airlines Logo
6:15 am - 5:10 pm
LHR
-
SJO
17h 55m
1 stop
$719Multiple Airlines
Mon, May 4 - Mon, May 11
KLM Logo
1:25 pm - 1:15 pm
SJO
-
LHR
16h 50m
1 stop
KLM Logo
8:40 am - 4:20 pm
LHR
-
SJO
14h 40m
1 stop
$721KLM
Sat, May 9 - Sat, May 30
Multiple Airlines Logo
1:21 pm - 1:15 pm
SJO
-
LHR
16h 54m
1 stop
Multiple Airlines Logo
8:55 am - 5:20 pm
LHR
-
SJO
15h 25m
1 stop
$725Multiple Airlines
Wed, Apr 29 - Sun, May 10

KLM flights from San José to London Heathrow Airport

Our best KLM deals on San José to London Heathrow Airport flight tickets
KLM
May 9
SJO1:25 pmSan José Juan Santamaria Intl
16h 50m
1 stop
LHR1:15 pmLondon Heathrow
May 30
LHR8:40 amLondon Heathrow
14h 40m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
$721
KLM
Feb 10
SJO8:30 pmSan José Juan Santamaria Intl
13h 35m
1 stop
LHR4:05 pmLondon Heathrow
Feb 24
LHR12:30 pmLondon Heathrow
15h 32m
1 stop
SJO10:02 pmSan José Juan Santamaria Intl
$727
KLM
Feb 9
SJO8:30 pmSan José Juan Santamaria Intl
16h 45m
1 stop
LHR7:15 pmLondon Heathrow
Feb 15
LHR12:30 pmLondon Heathrow
15h 32m
1 stop
SJO10:02 pmSan José Juan Santamaria Intl
$729

Air France flights from San José to London Heathrow Airport

Our best Air France deals on San José to London Heathrow Airport flight tickets
Air France
May 29
SJO7:15 pmSan José Juan Santamaria Intl
32h 15m
1 stop
LHR10:30 amLondon Heathrow
Jun 6
LHR6:15 amLondon Heathrow
17h 45m
1 stop
SJO5:00 pmSan José Juan Santamaria Intl
$806
Air France
May 29
SJO7:15 pmSan José Juan Santamaria Intl
32h 15m
1 stop
LHR10:30 amLondon Heathrow
Jun 6
LHR6:15 amLondon Heathrow
17h 45m
1 stop
SJO5:00 pmSan José Juan Santamaria Intl
$815

momondo Fare Finder

 
Customize your flight search to find flights from San José to London Heathrow Airport 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 February 4, 2026.
Use the filters below to find and compare flights from San José to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 3/2

2:35 pm-11:40 am

1 stop15h 05m

London Heathrow

Tue 3/17

6:20 am-5:50 pm

1 stop17h 30m

$689

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 3/2

2:35 pm-11:40 am

1 stop15h 05m

London Heathrow

Mon 3/9

6:20 am-5:50 pm

1 stop17h 30m

$691

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 3/9

1:20 pm-11:40 am

1 stop16h 20m

London Heathrow

Thu 3/12

6:20 am-5:50 pm

1 stop17h 30m

$698

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/10

1:20 pm-11:40 am

1 stop16h 20m

London Heathrow

Tue 3/17

8:55 am-5:50 pm

1 stop14h 55m

$699

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/3

2:25 pm-11:40 am

1 stop15h 15m

London Heathrow

Mon 5/4

8:55 am-5:10 pm

1 stop15h 15m

$706

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 5/9

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Sat 5/30

8:40 am-4:20 pm

1 stop14h 40m

$714

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 5/4

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Wed 5/20

8:55 am-5:10 pm

1 stop15h 15m

$717

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 5/4

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Mon 5/11

6:15 am-5:10 pm

1 stop17h 55m

$719

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 5/9

1:25 pm-1:15 pm

1 stop16h 50m

London Heathrow

Sat 5/30

8:40 am-4:20 pm

1 stop14h 40m

$721

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 4/29

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Sun 5/10

8:55 am-5:20 pm

1 stop15h 25m

$725

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 London from

How to get the cheapest flight ticket from San José to London Heathrow Airport

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 San José and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from San José, with most prices found around $775. If you’re not able to fly to London Heathrow Airport in October, then November is your next best option. Flight prices from San José to London Heathrow Airport during November average around $778.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San José when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $880 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San José for as low as $805 on momondo.

Can stopping save me money on San José to London Heathrow Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a San José to London Heathrow Airport flight.

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

As of February 2026, prices for San José to London Heathrow Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from San José to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San José to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San José to London Heathrow Airport (SJO to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San José to London Heathrow Airport

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from San José to London Heathrow Airport takes 13h 35m
There are no direct flights from San José to London Heathrow Airport. There are no popular flight routes from San José to London Heathrow Airport.
Search flight deals

  • How far is San José Juan Santamaria Intl to London Heathrow by plane?

    There are 5405.7 mi between San José Juan Santamaria Intl and London Heathrow. A reasonable flight in good conditions will take 13h 35m.

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to London Heathrow Airport?

    Prices for flights from San José Juan Santamaria Intl Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from San José Juan Santamaria Intl Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San José to London Heathrow Airport?

Best airlines flying from San José to London Heathrow Airport

Compare and see reviews for airlines that fly from San José to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $626Free CancellationRating
7.1
10,685 reviews
Search Air Canada flights
Air FrancePriceFrom $702Free CancellationRating
7.4
1,531 reviews
Search Air France flights
KLMPriceFrom $717Free CancellationRating
7.7
1,448 reviews
Search KLM flights
IberiaPriceFrom $728Free CancellationRating
7.0
3,103 reviews
Search Iberia flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Stratford-upon-Avon
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from San José to London?

Finding the right flight to London from San José is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from San José to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from San José with this policy.

How can momondo help me find flights from San José to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San José.

I’m not ready to book a flight from San José to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from San José. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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