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Cheap flights from San José to London from $470

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 4/28. 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

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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
1:21 pm - 1:15 pm
SJO
-
LHR
16h 54m
1 stop
KLM Logo
2:45 pm - 4:20 pm
LHR
-
SJO
32h 35m
1 stop
$770KLM
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 - 5:00 pm
LHR
-
SJO
17h 45m
1 stop
$771Multiple Airlines
Fri, May 1 - Sat, May 9
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
$772Multiple Airlines
Mon, May 4 - Sat, May 16
Multiple Airlines Logo
1:21 pm - 11:20 am
SJO
-
LHR
14h 59m
1 stop
Multiple Airlines Logo
8:55 am - 5:00 pm
LHR
-
SJO
15h 05m
1 stop
$773Multiple Airlines
Fri, May 1 - Sat, May 9
Multiple Airlines Logo
1:21 pm - 7:15 am
SJO
-
LHR
34h 54m
1 stop
Multiple Airlines Logo
6:15 am - 5:10 pm
LHR
-
SJO
17h 55m
1 stop
$774Multiple Airlines
Thu, Apr 30 - Sat, May 16
Multiple Airlines Logo
6:25 pm - 7:25 pm
SJO
-
LHR
18h 00m
1 stop
Multiple Airlines Logo
8:55 am - 5:00 pm
LHR
-
SJO
15h 05m
1 stop
$777Multiple Airlines
Tue, Jun 23 - Fri, Sep 18
KLM Logo
1:21 pm - 1:15 pm
SJO
-
LHR
16h 54m
1 stop
KLM Logo
6:30 am - 4:20 pm
LHR
-
SJO
16h 50m
1 stop
$779KLM
Sun, May 3 - Mon, May 18
Multiple Airlines Logo
1:21 pm - 6:25 am
SJO
-
LHR
34h 04m
1 stop
Multiple Airlines Logo
6:15 am - 5:10 pm
LHR
-
SJO
17h 55m
1 stop
$780Multiple Airlines
Wed, Apr 22 - Fri, May 8
Multiple Airlines Logo
2:31 pm - 1:15 pm
SJO
-
LHR
15h 44m
1 stop
Multiple Airlines Logo
7:45 pm - 5:10 pm
LHR
-
SJO
28h 25m
1 stop
$783Multiple Airlines
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
1:21 pm - 1:15 pm
SJO
-
LHR
16h 54m
1 stop
Multiple Airlines Logo
7:45 pm - 5:10 pm
LHR
-
SJO
28h 25m
1 stop
$784Multiple Airlines
Sat, Apr 25 - Sat, May 2

KLM flights from San José to London Heathrow Airport

Our best KLM deals on San José to London Heathrow Airport flight tickets
KLM
Mar 24
SJO1:20 pmSan José Juan Santamaria Intl
16h 20m
1 stop
LHR11:40 amLondon Heathrow
May 26
LHR6:30 amLondon Heathrow
16h 50m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
$770
KLM
Mar 24
SJO7:00 amSan José Juan Santamaria Intl
18h 50m
1 stop
LHR7:50 amLondon Heathrow
May 26
LHR8:40 amLondon Heathrow
14h 40m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
$771
KLM
Mar 24
SJO7:00 amSan José Juan Santamaria Intl
18h 50m
1 stop
LHR7:50 amLondon Heathrow
May 26
LHR6:30 amLondon Heathrow
16h 50m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
$772

Iberia flights from San José to London Heathrow Airport

Our best Iberia deals on San José to London Heathrow Airport flight tickets
Iberia
May 7
SJO4:30 pmSan José Juan Santamaria Intl
20h 15m
1 stop
LHR7:45 pmLondon Heathrow
May 21
LHR6:45 pmLondon Heathrow
27h 20m
1 stop
SJO3:05 pmSan José Juan Santamaria Intl
$826
Iberia
Mar 23
SJO2:59 pmSan José Juan Santamaria Intl
15h 06m
1 stop
LHR12:05 pmLondon Heathrow
Mar 24
LHR6:45 pmLondon Heathrow
27h 50m
1 stop
SJO4:35 pmSan José Juan Santamaria Intl
$868

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 March 21, 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

Mon 5/4

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Wed 5/20

2:45 pm-4:20 pm

1 stop32h 35m

$770

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 5/1

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Sat 5/9

6:15 am-5:00 pm

1 stop17h 45m

$771

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 5/4

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Sat 5/16

6:15 am-5:10 pm

1 stop17h 55m

$772
Quickest round-trip

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 5/1

1:21 pm-11:20 am

1 stop14h 59m

London Heathrow

Sat 5/9

8:55 am-5:00 pm

1 stop15h 05m

$773

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 4/30

1:21 pm-7:15 am

1 stop34h 54m

London Heathrow

Sat 5/16

6:15 am-5:10 pm

1 stop17h 55m

$774

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 6/23

6:25 pm-7:25 pm

1 stop18h 00m

London Heathrow

Fri 9/18

8:55 am-5:00 pm

1 stop15h 05m

$777

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 5/3

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Mon 5/18

6:30 am-4:20 pm

1 stop16h 50m

$779

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 4/22

1:21 pm-6:25 am

1 stop34h 04m

London Heathrow

Fri 5/8

6:15 am-5:10 pm

1 stop17h 55m

$780

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 4/25

2:31 pm-1:15 pm

1 stop15h 44m

London Heathrow

Sat 5/2

7:45 pm-5:10 pm

1 stop28h 25m

$783

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 4/25

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Sat 5/2

7:45 pm-5:10 pm

1 stop28h 25m

$784

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 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 $782. 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 $789.

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 $899 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 $803 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 March 2026, prices for San José to London Heathrow Airport flights are approximately 15% 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

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 FrancePriceFrom $702Free CancellationRating
7.4
1,547 reviews
Search Air France flights
IberiaPriceFrom $726Free CancellationRating
7.0
3,146 reviews
Search Iberia flights
KLMPriceFrom $732Free CancellationRating
7.8
1,475 reviews
Search KLM flights
Air CanadaPriceFrom $935Free CancellationRating
7.1
10,828 reviews
Search Air Canada 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
Crawley
Stratford-upon-Avon
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford

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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