Cheap flights from San José to London from £289

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 3/4. 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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Cheap return flights

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Multiple Airlines Logo
19:40 - 21:00
SJO
-
STN
18h 20m
1 stop
Multiple Airlines Logo
16:25 - 15:25
STN
-
SJO
30h 00m
2 stops
£546Multiple Airlines
Tue, 2 Jun - Wed, 10 Jun
Iberia Logo
16:30 - 15:15
SJO
-
LCY
15h 45m
1 stop
Iberia Logo
19:15 - 15:05
LCY
-
SJO
26h 50m
1 stop
£550Iberia
Sun, 17 May - Tue, 26 May
Iberia Logo
16:30 - 19:45
SJO
-
LHR
20h 15m
1 stop
Iberia Logo
18:45 - 15:05
LHR
-
SJO
27h 20m
1 stop
£552Iberia
Thu, 14 May - Thu, 21 May
Air France Logo
19:15 - 18:35
SJO
-
LHR
16h 20m
1 stop
Air France Logo
08:55 - 17:10
LHR
-
SJO
15h 15m
1 stop
£565Air France
Mon, 18 May - Fri, 29 May
Air France Logo
19:15 - 18:35
SJO
-
LHR
16h 20m
1 stop
Air France Logo
06:15 - 17:10
LHR
-
SJO
17h 55m
1 stop
£566Air France
Mon, 18 May - Fri, 29 May
Air France Logo
19:05 - 18:35
SJO
-
LHR
16h 30m
1 stop
Air France Logo
08:55 - 17:00
LHR
-
SJO
15h 05m
1 stop
£569Air France
Sun, 7 Jun - Sat, 13 Jun
Air France Logo
19:05 - 18:35
SJO
-
LHR
16h 30m
1 stop
Air France Logo
08:55 - 17:00
LHR
-
SJO
15h 05m
1 stop
£570Air France
Sun, 7 Jun - Sat, 13 Jun
KLM Logo
13:21 - 06:25
SJO
-
LHR
34h 04m
1 stop
KLM Logo
08:40 - 16:20
LHR
-
SJO
14h 40m
1 stop
£570KLM
Thu, 30 Apr - Thu, 7 May
KLM Logo
13:21 - 13:15
SJO
-
LHR
16h 54m
1 stop
KLM Logo
20:55 - 16:20
LHR
-
SJO
26h 25m
1 stop
£574KLM
Sat, 25 Apr - Wed, 6 May
KLM Logo
14:31 - 13:15
SJO
-
LHR
15h 44m
1 stop
KLM Logo
20:55 - 16:20
LHR
-
SJO
26h 25m
1 stop
£575KLM
Sat, 25 Apr - Wed, 6 May

KLM flights from San José to London

Our best KLM deals on San José to London flight tickets
KLM
30 Apr
SJO13:21San José Juan Santamaria Intl
34h 04m
1 stop
LHR06:25London Heathrow
7 May
LHR08:40London Heathrow
14h 40m
1 stop
SJO16:20San José Juan Santamaria Intl
£570
KLM
25 Apr
SJO13:21San José Juan Santamaria Intl
16h 54m
1 stop
LHR13:15London Heathrow
6 May
LHR20:55London Heathrow
26h 25m
1 stop
SJO16:20San José Juan Santamaria Intl
£574
KLM
25 Apr
SJO14:31San José Juan Santamaria Intl
15h 44m
1 stop
LHR13:15London Heathrow
6 May
LHR20:55London Heathrow
26h 25m
1 stop
SJO16:20San José Juan Santamaria Intl
£575

Air France flights from San José to London

Our best Air France deals on San José to London flight tickets
Air France
18 May
SJO19:15San José Juan Santamaria Intl
16h 20m
1 stop
LHR18:35London Heathrow
29 May
LHR08:55London Heathrow
15h 15m
1 stop
SJO17:10San José Juan Santamaria Intl
£565
Air France
18 May
SJO19:15San José Juan Santamaria Intl
16h 20m
1 stop
LHR18:35London Heathrow
29 May
LHR06:15London Heathrow
17h 55m
1 stop
SJO17:10San José Juan Santamaria Intl
£566
Air France
7 Jun
SJO19:05San José Juan Santamaria Intl
16h 30m
1 stop
LHR18:35London Heathrow
13 Jun
LHR08:55London Heathrow
15h 05m
1 stop
SJO17:00San José Juan Santamaria Intl
£569

momondo Fare Finder

 
Customise your flight search to find flights from San José to London 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 21 March 2026.
Use the filters below to find and compare flights from San José to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoséLondon

SJO - STN

SJOSTN

San José Juan Santamaria Intl

Tue 2/6

19:40-21:00

1 stop18h 20m

London Stansted

Wed 10/6

16:25-15:25

2 stops30h 00m

£546

San JoséLondon

SJO - LCY

SJOLCY

San José Juan Santamaria Intl

Sun 17/5

16:30-15:15

1 stop15h 45m

London City

Tue 26/5

19:15-15:05

1 stop26h 50m

£550

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 14/5

16:30-19:45

1 stop20h 15m

London Heathrow

Thu 21/5

18:45-15:05

1 stop27h 20m

£552
Fastest return journey

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 18/5

19:15-18:35

1 stop16h 20m

London Heathrow

Fri 29/5

08:55-17:10

1 stop15h 15m

£565

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 18/5

19:15-18:35

1 stop16h 20m

London Heathrow

Fri 29/5

06:15-17:10

1 stop17h 55m

£566

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 7/6

19:05-18:35

1 stop16h 30m

London Heathrow

Sat 13/6

08:55-17:00

1 stop15h 05m

£569

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 7/6

19:05-18:35

1 stop16h 30m

London Heathrow

Sat 13/6

08:55-17:00

1 stop15h 05m

£570

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 30/4

13:21-06:25

1 stop34h 04m

London Heathrow

Thu 7/5

08:40-16:20

1 stop14h 40m

£570

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 25/4

13:21-13:15

1 stop16h 54m

London Heathrow

Wed 6/5

20:55-16:20

1 stop26h 25m

£574

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 25/4

14:31-13:15

1 stop15h 44m

London Heathrow

Wed 6/5

20:55-16:20

1 stop26h 25m

£575

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 London from

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

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?

What is the cheapest month to fly to London?

The cheapest month to fly to London from San José is in February. Flight prices, which tend to average around £547, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from San José averaging around £559.

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

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £602. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from San José to London for around £1,192.

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

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

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

You are more likely to see cheaper flights to London from San José when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £672 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San José for as low as £600 on momondo.

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

There are 3 cabin classes available to choose from on San José Juan Santamaria Intl to London 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 flights?

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

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

As of March 2026, prices for San José to London flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from San José to London

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

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

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

Best price found

£495

Fastest flight time

10h 25m

Direct flights

Fri and Sun

Airports in London

6 airports
The best one-way flight to London from San José in the past 72 hours is £495. The best return flight deal from San José to London found on momondo in the last 72 hours is £623.
The fastest flight from San José to London takes 10h 25m
Direct flights go from San José to London on Friday and Sunday. There are no airlines offering direct flights..
There are 6 airports in London. From San José there are direct flights to London Gatwick (LGW).
  • How far is San José Juan Santamaria Intl to London by plane?

    London is 5419.9 mi away from San José Juan Santamaria Intl. Typically, this will take 10h 25m by plane in normal conditions.

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

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

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

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

    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 San José Juan Santamaria Intl Airport to London.

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

    The travel and health documents you'll need for your trip to London 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. 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?

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

Best airlines flying from San José to London

Compare and see reviews for airlines that fly from San José to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £511Free CancellationRating
6.7
7,807 reviews
Search British Airways flights
KLMPriceFrom £526Free CancellationRating
7.8
1,475 reviews
Search KLM flights
IberiaPriceFrom £538Free CancellationRating
7.0
3,147 reviews
Search Iberia flights
Air FrancePriceFrom £557Free CancellationRating
7.4
1,547 reviews
Search Air France flights
  • British Airways Flights From San José to London

    Across 3 British Airways flights from San José to London this week, the average price was £653, with the best British Airways deals starting from £511 round-trip. 7,806 users have rated British Airways on momondo, with an average score of 6.7/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Ipswich
Canterbury
Wembley
Ilford
Chelmsford
Guildford
Hayes
Dover
Folkestone
Ramsgate
Worthing
Colchester
Bedford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San José to London for you.

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

Yes. momondo allows you to filter the results for San José to London flights to just show those with flexible booking policies.

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

Once all potential San José to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for San José to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Mon 20/4
Mon 27/4

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London