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Cheap flights from San José to London from $410

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 12/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San José to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air France Logo
1:23 pm - 1:15 pm
SJO
-
LHR
16h 52m
1 stop
Air France Logo
6:20 am - 5:30 pm
LHR
-
SJO
17h 10m
2 stops
$809Air France
Tue, Oct 13 - Tue, Oct 27
KLM Logo
1:14 pm - 11:20 am
SJO
-
LHR
15h 06m
1 stop
KLM Logo
6:30 am - 5:00 pm
LHR
-
SJO
17h 30m
2 stops
$819KLM
Sun, Aug 9 - Tue, Aug 18
KLM Logo
7:05 pm - 7:25 pm
SJO
-
LHR
17h 20m
2 stops
KLM Logo
6:30 am - 5:30 pm
LHR
-
SJO
17h 00m
1 stop
$824KLM
Mon, Oct 5 - Wed, Oct 28
Multiple Airlines Logo
7:05 pm - 7:25 pm
SJO
-
LHR
17h 20m
2 stops
Multiple Airlines Logo
6:20 am - 5:30 pm
LHR
-
SJO
17h 10m
2 stops
$845Multiple Airlines
Sun, Oct 18 - Tue, Oct 27
KLM Logo
1:19 pm - 6:25 am
SJO
-
LHR
34h 06m
1 stop
KLM Logo
3:15 pm - 11:58 am
LHR
-
SJO
27h 43m
1 stop
$846KLM
Fri, Sep 18 - Mon, Oct 5
Multiple Airlines Logo
7:00 am - 7:50 am
SJO
-
LHR
18h 50m
1 stop
Multiple Airlines Logo
6:20 am - 5:30 pm
LHR
-
SJO
17h 10m
2 stops
$848Multiple Airlines
Sat, Nov 14 - Wed, Dec 2
KLM Logo
1:19 pm - 11:20 am
SJO
-
LHR
15h 01m
1 stop
KLM Logo
6:30 am - 5:00 pm
LHR
-
SJO
17h 30m
2 stops
$852KLM
Mon, Sep 21 - Mon, Oct 5
KLM Logo
6:20 pm - 5:00 pm
SJO
-
LHR
16h 40m
2 stops
KLM Logo
6:30 am - 5:30 pm
LHR
-
SJO
17h 00m
1 stop
$853KLM
Sat, Nov 14 - Wed, Dec 2
Multiple Airlines Logo
1:19 pm - 1:15 pm
SJO
-
LHR
16h 56m
1 stop
Multiple Airlines Logo
11:30 am - 9:48 pm
LHR
-
SJO
17h 18m
2 stops
$855Multiple Airlines
Tue, Sep 22 - Sun, Sep 27
Multiple Airlines Logo
2:30 pm - 11:40 am
SJO
-
LHR
15h 10m
1 stop
Multiple Airlines Logo
6:20 am - 4:10 pm
LHR
-
SJO
15h 50m
1 stop
$858Multiple Airlines
Sat, Nov 14 - Tue, Nov 24

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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
Oct 13
SJO1:23 pmSan José Juan Santamaria Intl
16h 52m
1 stop
LHR1:15 pmLondon Heathrow
Oct 27
LHR6:20 amLondon Heathrow
17h 10m
2 stops
SJO5:30 pmSan José Juan Santamaria Intl
$809
Air France
Oct 12
SJO1:23 pmSan José Juan Santamaria Intl
14h 57m
1 stop
LHR11:20 amLondon Heathrow
Oct 31
LHR7:20 pmLondon Heathrow
26h 50m
1 stop
SJO4:10 pmSan José Juan Santamaria Intl
$864
Air France
Sep 12
SJO1:19 pmSan José Juan Santamaria Intl
16h 56m
1 stop
LHR1:15 pmLondon Heathrow
Oct 3
LHR6:15 amLondon Heathrow
17h 45m
1 stop
SJO5:00 pmSan José Juan Santamaria Intl
$870

KLM flights from San José to London Heathrow Airport

Our best KLM deals on San José to London Heathrow Airport flight tickets
KLM
Aug 9
SJO1:14 pmSan José Juan Santamaria Intl
15h 06m
1 stop
LHR11:20 amLondon Heathrow
Aug 18
LHR6:30 amLondon Heathrow
17h 30m
2 stops
SJO5:00 pmSan José Juan Santamaria Intl
$819
KLM
Oct 5
SJO7:05 pmSan José Juan Santamaria Intl
17h 20m
2 stops
LHR7:25 pmLondon Heathrow
Oct 28
LHR6:30 amLondon Heathrow
17h 00m
1 stop
SJO5:30 pmSan José Juan Santamaria Intl
$824
KLM
Oct 23
SJO7:05 pmSan José Juan Santamaria Intl
18h 50m
2 stops
LHR8:55 pmLondon Heathrow
Oct 28
LHR6:30 amLondon Heathrow
17h 00m
1 stop
SJO5:30 pmSan José Juan Santamaria Intl
$841

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 July 14, 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

Cheapest round-trip

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 10/13

1:23 pm-1:15 pm

1 stop16h 52m

London Heathrow

Tue 10/27

6:20 am-5:30 pm

2 stops17h 10m

$809

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 8/9

1:14 pm-11:20 am

1 stop15h 06m

London Heathrow

Tue 8/18

6:30 am-5:00 pm

2 stops17h 30m

$819

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 10/5

7:05 pm-7:25 pm

2 stops17h 20m

London Heathrow

Wed 10/28

6:30 am-5:30 pm

1 stop17h 00m

$824

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 10/18

7:05 pm-7:25 pm

2 stops17h 20m

London Heathrow

Tue 10/27

6:20 am-5:30 pm

2 stops17h 10m

$845

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 9/18

1:19 pm-6:25 am

1 stop34h 06m

London Heathrow

Mon 10/5

3:15 pm-11:58 am

1 stop27h 43m

$846

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 11/14

7:00 am-7:50 am

1 stop18h 50m

London Heathrow

Wed 12/2

6:20 am-5:30 pm

2 stops17h 10m

$848

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 9/21

1:19 pm-11:20 am

1 stop15h 01m

London Heathrow

Mon 10/5

6:30 am-5:00 pm

2 stops17h 30m

$852

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 11/14

6:20 pm-5:00 pm

2 stops16h 40m

London Heathrow

Wed 12/2

6:30 am-5:30 pm

1 stop17h 00m

$853

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 9/22

1:19 pm-1:15 pm

1 stop16h 56m

London Heathrow

Sun 9/27

11:30 am-9:48 pm

2 stops17h 18m

$855
Quickest round-trip

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 11/14

2:30 pm-11:40 am

1 stop15h 10m

London Heathrow

Tue 11/24

6:20 am-4:10 pm

1 stop15h 50m

$858

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 April is, on average, the cheapest month to fly to London Heathrow Airport from San José, with most prices found around $827. If you’re not able to fly to London Heathrow Airport in April, then October is your next best option. Flight prices from San José to London Heathrow Airport during October average around $846.

What is the cheapest San José Juan Santamaria Intl to London Heathrow flight route?

Fly from San José Juan Santamaria Intl to London Heathrow for the best San José Juan Santamaria Intl - London Heathrow flight prices

How far in advance should I book a flight from San José 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 $979 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 $837 on momondo.

What cabin class options are available on San José to London Heathrow Airport flights?

There is only 1 cabin class available to choose from on San José to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 5% 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 July 2026, prices for San José to London Heathrow Airport flights are approximately 18% more expensive 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

10h 10m

Direct flights

Mon, Wed, Thu, Sat and Sun
The fastest flight from San José to London Heathrow Airport takes 10h 10m
Direct flights go from San José to London Heathrow Airport on Monday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

Frequently asked questions about flying from San José to London Heathrow Airport

  • 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 10h 10m.

  • 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 plane model from San José to London Heathrow Airport?

  • 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 FrancePriceFrom $703Free CancellationRating
7.5
1,627 reviews
Search Air France flights
British AirwaysPriceFrom $719Free CancellationRating
6.7
8,113 reviews
Search British Airways flights
IberiaPriceFrom $726Free CancellationRating
7.0
3,253 reviews
Search Iberia flights
KLMPriceFrom $733Free CancellationRating
7.8
1,538 reviews
Search KLM flights
American AirlinesPriceFrom $1,020Free CancellationRating
7.1
11,808 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,077Free CancellationRating
7.4
9,988 reviews
Search United Airlines flights

Traveling to a place near London?

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Watford
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Guildford

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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