Cheap flights from London to San José from £274

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 to San José departing on 2/2. 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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Air Canada Logo
09:00 - 00:05
LHR
-
SJO
21h 05m2 stops
Air Canada Logo
08:35 - 10:50
SJO
-
LHR
20h 15m2 stops
£510Air Canada
Tue, 13 Jan - Thu, 5 Feb
American Airlines Logo
06:05 - 19:44
LHR
-
SJO
19h 39m2 stops
American Airlines Logo
15:04 - 12:15
SJO
-
LHR
15h 11m1 stop
£511American Airlines
Tue, 3 Feb - Wed, 18 Feb
Air Canada Logo
07:25 - 23:15
LHR
-
SJO
21h 50m2 stops
Air Canada Logo
08:35 - 20:35
SJO
-
LHR
30h 00m2 stops
£511Air Canada
Tue, 13 Jan - Tue, 3 Feb
Multiple Airlines Logo
19:40 - 19:44
LGW
-
SJO
30h 04m2 stops
Multiple Airlines Logo
06:00 - 07:30
SJO
-
LGW
19h 30m2 stops
£511Multiple Airlines
Fri, 16 Jan - Fri, 30 Jan
Multiple Airlines Logo
14:10 - 11:37
LGW
-
SJO
27h 27m1 stop
Multiple Airlines Logo
12:33 - 10:00
SJO
-
LGW
15h 27m1 stop
£512Multiple Airlines
Sun, 11 Jan - Mon, 2 Feb
United Airlines Logo
10:00 - 18:16
LHR
-
SJO
38h 16m1 stop
United Airlines Logo
06:30 - 10:15
SJO
-
LHR
21h 45m1 stop
£513United Airlines
Fri, 26 Dec - Sun, 11 Jan
United Airlines Logo
12:05 - 12:56
LHR
-
SJO
30h 51m2 stops
United Airlines Logo
06:30 - 08:25
SJO
-
LHR
19h 55m2 stops
£517United Airlines
Thu, 8 Jan - Mon, 9 Feb
American Airlines Logo
11:00 - 22:30
LHR
-
SJO
17h 30m1 stop
American Airlines Logo
07:00 - 06:55
SJO
-
LHR
17h 55m1 stop
£522American Airlines
Sat, 7 Feb - Thu, 19 Feb
SWISS Logo
09:25 - 17:35
LCY
-
SJO
15h 10m1 stop
SWISS Logo
14:40 - 17:15
SJO
-
LCY
19h 35m2 stops
£646SWISS
Wed, 20 May - Mon, 25 May
SWISS Logo
09:25 - 17:35
LCY
-
SJO
15h 10m1 stop
SWISS Logo
14:40 - 17:15
SJO
-
LCY
19h 35m2 stops
£648SWISS
Wed, 20 May - Mon, 25 May

United Airlines flights from London to San José

Our best United Airlines deals on London to San José flight tickets
United Airlines
26 Dec
LHR10:00London Heathrow
38h 16m
1 stop
SJO18:16San José Juan Santamaria Intl
11 Jan
SJO06:30San José Juan Santamaria Intl
21h 45m
1 stop
LHR10:15London Heathrow
United Airlines
21 Dec
LHR12:05London Heathrow
16h 27m
1 stop
SJO22:32San José Juan Santamaria Intl
15 Jan
SJO06:30San José Juan Santamaria Intl
19h 00m
1 stop
LHR07:30London Heathrow
United Airlines
8 Jan
LHR16:20London Heathrow
35h 40m
2 stops
SJO22:00San José Juan Santamaria Intl
22 Jan
SJO14:05San José Juan Santamaria Intl
15h 10m
1 stop
LHR11:15London Heathrow

Air France flights from London to San José

Our best Air France deals on London to San José flight tickets
Air France
29 May
LHR09:00London Heathrow
15h 10m
1 stop
SJO17:10San José Juan Santamaria Intl
13 Jun
SJO19:05San José Juan Santamaria Intl
16h 30m
1 stop
LHR18:35London Heathrow
Air France
31 May
LGW10:25London Gatwick
13h 45m
1 stop
SJO17:10San José Juan Santamaria Intl
29 Jun
SJO19:05San José Juan Santamaria Intl
31h 20m
1 stop
LGW09:25London Gatwick
Air France
2 Jun
LGW17:05London Gatwick
30h 55m
1 stop
SJO17:00San José Juan Santamaria Intl
29 Jun
SJO19:05San José Juan Santamaria Intl
31h 20m
1 stop
LGW09:25London Gatwick

momondo Fare Finder

 
Customise your flight search to find flights from London 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 279,928 searches. Data last updated 15 December 2025.
Use the filters below to find and compare flights from London to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 13/1

09:00-00:05

2 stops21h 05m

San José Juan Santamaria Intl

Thu 5/2

08:35-10:50

2 stops20h 15m

£510

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 3/2

06:05-19:44

2 stops19h 39m

San José Juan Santamaria Intl

Wed 18/2

15:04-12:15

1 stop15h 11m

£511

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 13/1

07:25-23:15

2 stops21h 50m

San José Juan Santamaria Intl

Tue 3/2

08:35-20:35

2 stops30h 00m

£511

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

Fri 16/1

19:40-19:44

2 stops30h 04m

San José Juan Santamaria Intl

Fri 30/1

06:00-07:30

2 stops19h 30m

£511

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

Sun 11/1

14:10-11:37

1 stop27h 27m

San José Juan Santamaria Intl

Mon 2/2

12:33-10:00

1 stop15h 27m

£512

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 26/12

10:00-18:16

1 stop38h 16m

San José Juan Santamaria Intl

Sun 11/1

06:30-10:15

1 stop21h 45m

£513

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 8/1

12:05-12:56

2 stops30h 51m

San José Juan Santamaria Intl

Mon 9/2

06:30-08:25

2 stops19h 55m

£517

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sat 7/2

11:00-22:30

1 stop17h 30m

San José Juan Santamaria Intl

Thu 19/2

07:00-06:55

1 stop17h 55m

£522

LondonSan José

LCY - SJO

LCYSJO

London City

Wed 20/5

09:25-17:35

1 stop15h 10m

San José Juan Santamaria Intl

Mon 25/5

14:40-17:15

2 stops19h 35m

£646

LondonSan José

LCY - SJO

LCYSJO

London City

Wed 20/5

09:25-17:35

1 stop15h 10m

San José Juan Santamaria Intl

Mon 25/5

14:40-17:15

2 stops19h 35m

£648

Flights are sorted by cheapest return 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 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 typical price of a round-trip flight between London and San José?

What is the cheapest month to fly to San José?

The cheapest month to fly to San José from London is in September. Flight prices, which tend to average around £608, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to San José from London during October instead. Flights to San José in October, while not as cheap as those in September, still average around £618.

What is the cheapest day to depart on your flight to San José?

The cheapest day to depart from London to San José is on a Friday when prices can be found for as low as £757. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £1,082. These prices are subject to change though, so be sure to set up a Price Alert for flights to San José.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest London 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 £602. In the morning is when there is more demand to fly to San José, so prices are often more expensive at around £831 per ticket.

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

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

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around £650 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from London for as low as £602 on momondo.

What cabin class options are available on London to San José Juan Santamaria Intl flights?

There is only 1 cabin class available to choose from on London to San José Juan Santamaria Intl 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 London to San José flights?

You could potentially save up to 41% on your flight if you consider stops on a London to San José flight.

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

As of December 2025, prices for London to San José flights are approximately 30% more expensive when compared to flights at the same time last year.

When to book flights from London to San José

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

Cheap London to San José (LON to SJO) flight deals and tips

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

Best price found

£757

Fastest flight time

11h 40m

Direct flights

Wed, Fri and Sun

Airports in San José

1 airport
The best flight deal from London to San José found on momondo in the last 72 hours is £757
The fastest flight from London to San José takes 11h 40m
Direct flights go from London to San José on Wednesday, Friday and Sunday. There are no airlines offering direct flights..
There is 1 airport in San José. From London there are direct flights to San José Juan Santamaria Intl (SJO).
  • How far is London to San José Juan Santamaria Intl by plane?

    A flight from London to San José Juan Santamaria Intl will travel around 5419.9 mi. 11h 40m is a normal flight duration for this route.

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

    Prices for flights from London to San José Juan Santamaria Intl Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents you'll need for your trip to San José Juan Santamaria Intl 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 San José Juan Santamaria Intl 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 London to San José?

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

Best airlines flying from London to San José

Compare and see reviews for airlines that fly from London to San José with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £470Free CancellationRating
7.0
590 reviews
Search Icelandair flights
JetBluePriceFrom £476Free CancellationRating
7.2
2,894 reviews
Search JetBlue flights
Air CanadaPriceFrom £501Free CancellationRating
7.1
10,527 reviews
Search Air Canada flights
FinnairPriceFrom £504Free CancellationRating
7.6
1,337 reviews
Search Finnair flights
American AirlinesPriceFrom £517Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
Air FrancePriceFrom £525Free CancellationRating
7.4
1,506 reviews
Search Air France flights
AviancaPriceFrom £530Free CancellationRating
6.6
2,485 reviews
Search Avianca flights
KLMPriceFrom £543Free CancellationRating
7.7
1,432 reviews
Search KLM flights
LufthansaPriceFrom £556Free CancellationRating
6.8
7,631 reviews
Search Lufthansa flights
SWISSPriceFrom £568Free CancellationRating
7.5
1,812 reviews
Search SWISS flights

Travelling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Jacó
Alajuela
Monteverde
Manuel Antonio

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San José from London.

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

momondo does allow users to show only those flights to San José from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between London and San José by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to San José flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Wed 14/1
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