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Cheap flights from San José to London from $358

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 3/10. 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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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.
KLM Logo
7:00 am - 6:25 am
SJO
-
LHR
17h 25m1 stop
KLM Logo
6:30 am - 6:25 pm
LHR
-
SJO
17h 55m1 stop
$721KLM
Mon, Mar 2 - Tue, Mar 17
Multiple Airlines Logo
2:25 pm - 11:40 am
SJO
-
LHR
15h 15m1 stop
Multiple Airlines Logo
7:20 pm - 5:50 pm
LHR
-
SJO
28h 30m1 stop
$734Multiple Airlines
Thu, Feb 12 - Thu, Feb 26
Multiple Airlines Logo
7:00 am - 7:50 am
SJO
-
LHR
18h 50m1 stop
Multiple Airlines Logo
6:20 am - 5:50 pm
LHR
-
SJO
17h 30m1 stop
$736Multiple Airlines
Thu, Mar 5 - Thu, Mar 19
KLM Logo
1:25 pm - 11:10 am
SJO
-
LHR
14h 45m1 stop
KLM Logo
8:55 pm - 4:20 pm
LHR
-
SJO
26h 25m1 stop
$737KLM
Tue, Apr 21 - Wed, Apr 29
KLM Logo
6:25 pm - 8:55 pm
SJO
-
LHR
19h 30m1 stop
KLM Logo
6:30 am - 4:20 pm
LHR
-
SJO
16h 50m1 stop
$741KLM
Thu, May 21 - Sat, Jun 6
KLM Logo
7:00 am - 9:00 am
SJO
-
LHR
20h 00m1 stop
KLM Logo
8:55 am - 10:15 pm
LHR
-
SJO
19h 20m1 stop
$750KLM
Sun, Jan 18 - Fri, Jan 30
KLM Logo
7:00 am - 6:25 am
SJO
-
LHR
17h 25m1 stop
KLM Logo
10:45 am - 10:15 pm
LHR
-
SJO
17h 30m1 stop
$751KLM
Sat, Jan 31 - Sat, Feb 7
KLM Logo
7:00 am - 6:25 am
SJO
-
LHR
17h 25m1 stop
KLM Logo
12:30 pm - 10:02 pm
LHR
-
SJO
15h 32m1 stop
$754KLM
Tue, Jan 20 - Tue, Feb 17
KLM Logo
7:00 am - 6:25 am
SJO
-
LHR
17h 25m1 stop
KLM Logo
12:30 pm - 10:02 pm
LHR
-
SJO
15h 32m1 stop
$755KLM
Tue, Jan 20 - Thu, Feb 19
Air France Logo
7:15 pm - 8:00 am
SJO
-
LHR
29h 45m1 stop
Air France Logo
9:00 am - 5:10 pm
LHR
-
SJO
15h 10m1 stop
$764Air France
Wed, May 13 - Wed, May 20

Iberia flights from San José to London Heathrow Airport

Our best Iberia deals on San José to London Heathrow Airport flight tickets
Iberia
Mar 13
SJO6:15 pmSan José Juan Santamaria Intl
13h 15m
1 stop
LHR1:30 pmLondon Heathrow
Mar 23
LHR6:15 amLondon Heathrow
16h 20m
1 stop
SJO4:35 pmSan José Juan Santamaria Intl
$812
Find similar
Iberia
May 20
SJO4:30 pmSan José Juan Santamaria Intl
15h 25m
1 stop
LHR2:55 pmLondon Heathrow
May 26
LHR7:10 pmLondon Heathrow
26h 55m
1 stop
SJO3:05 pmSan José Juan Santamaria Intl
$855
Find similar
Iberia
Feb 10
SJO6:15 pmSan José Juan Santamaria Intl
18h 00m
1 stop
LHR6:15 pmLondon Heathrow
Feb 21
LHR6:15 amLondon Heathrow
16h 20m
1 stop
SJO4:35 pmSan José Juan Santamaria Intl
$857
Find similar

JetBlue flights from San José to London Heathrow Airport

Our best JetBlue deals on San José to London Heathrow Airport flight tickets
JetBlue
Feb 5
SJO3:08 pmSan José Juan Santamaria Intl
23h 37m
1 stop
LHR8:45 pmLondon Heathrow
Feb 19
LHR12:20 pmLondon Heathrow
16h 28m
1 stop
SJO10:48 pmSan José Juan Santamaria Intl
$840
Find similar
JetBlue
Feb 5
SJO3:08 pmSan José Juan Santamaria Intl
23h 37m
1 stop
LHR8:45 pmLondon Heathrow
Feb 19
LHR7:25 amLondon Heathrow
21h 23m
1 stop
SJO10:48 pmSan José Juan Santamaria Intl
$841
Find similar

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 December 18, 2025.
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

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Tue 3/17

6:30 am-6:25 pm

1 stop17h 55m

$721

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 2/12

2:25 pm-11:40 am

1 stop15h 15m

London Heathrow

Thu 2/26

7:20 pm-5:50 pm

1 stop28h 30m

$734

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 3/5

7:00 am-7:50 am

1 stop18h 50m

London Heathrow

Thu 3/19

6:20 am-5:50 pm

1 stop17h 30m

$736

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 4/21

1:25 pm-11:10 am

1 stop14h 45m

London Heathrow

Wed 4/29

8:55 pm-4:20 pm

1 stop26h 25m

$737

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 5/21

6:25 pm-8:55 pm

1 stop19h 30m

London Heathrow

Sat 6/6

6:30 am-4:20 pm

1 stop16h 50m

$741

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 1/18

7:00 am-9:00 am

1 stop20h 00m

London Heathrow

Fri 1/30

8:55 am-10:15 pm

1 stop19h 20m

$750

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 1/31

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Sat 2/7

10:45 am-10:15 pm

1 stop17h 30m

$751

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 1/20

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Tue 2/17

12:30 pm-10:02 pm

1 stop15h 32m

$754

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 1/20

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Thu 2/19

12:30 pm-10:02 pm

1 stop15h 32m

$755

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 5/13

7:15 pm-8:00 am

1 stop29h 45m

London Heathrow

Wed 5/20

9:00 am-5:10 pm

1 stop15h 10m

$764

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 February is, on average, the cheapest month to fly to London Heathrow Airport from San José, with most prices found around $771. If you’re not able to fly to London Heathrow Airport in February, then October is your next best option. Flight prices from San José to London Heathrow Airport during October average around $780.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $711. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $945.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from San José to London Heathrow Airport in the morning for as low as $766. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $992.

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 $871 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 $793 on momondo.

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

You could potentially save up to 26% 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 December 2025, prices for San José to London Heathrow Airport flights are approximately 10% 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

14h 30m

Direct flights

None
The fastest flight from San José to London Heathrow Airport takes 14h 30m
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 14h 30m.

  • 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 $633Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
Air FrancePriceFrom $683Free CancellationRating
7.4
1,508 reviews
Search Air France flights
KLMPriceFrom $714Free CancellationRating
7.7
1,430 reviews
Search KLM flights
IberiaPriceFrom $735Free CancellationRating
7.0
3,050 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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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