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Cheap flights from San José to London from £270

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San José Juan Santamaria Intl to London are usually found in February or November, booked 77 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from San José to London

Enter your travel dates to find the best prices.

Cheapest flights from San José to London
Explore the most affordable flight options available from San José to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Wed 11/307:00
SJO
-
LHR
1 stop18h 50m
KLM
Thu 19/315:50
LHR
-
SJO
1 stop26h 05m
KLM
Deal found 11/3£553
Sat 16/513:20
SJO
-
LHR
1 stop16h 55m
Multiple Airlines
Sun 31/511:30
LHR
-
SJO
1 stop36h 30m
Multiple Airlines
Deal found 11/3£554
Mon 14/913:25
SJO
-
LHR
1 stop16h 50m
Multiple Airlines
Fri 30/1006:20
LHR
-
SJO
1 stop17h 30m
Multiple Airlines
Deal found 11/3£565
Thu 5/1120:05
SJO
-
LHR
1 stop35h 40m
Multiple Airlines
Sun 8/1112:30
LHR
-
SJO
1 stop30h 35m
Multiple Airlines
Deal found 11/3£571
Mon 18/519:15
SJO
-
LGW
1 stop13h 45m
Air France
Sun 24/510:25
LGW
-
SJO
1 stop13h 55m
Air France
Deal found 14/3£573
Mon 18/519:15
SJO
-
LHR
1 stop14h 20m
Multiple Airlines
Thu 28/506:30
LHR
-
SJO
1 stop16h 50m
Multiple Airlines
Deal found 15/3£574
Tue 31/313:20
SJO
-
LHR
1 stop16h 55m
KLM
Tue 7/409:20
LHR
-
SJO
1 stop18h 55m
KLM
Deal found 11/3£574
Wed 13/519:15
SJO
-
LHR
1 stop29h 40m
Multiple Airlines
Wed 20/519:15
LHR
-
SJO
1 stop28h 05m
Multiple Airlines
Deal found 13/3£575
Wed 13/519:15
SJO
-
LGW
1 stop31h 10m
Air France
Wed 20/510:25
LGW
-
SJO
1 stop13h 45m
Air France
Deal found 13/3£575
Mon 4/513:21
SJO
-
LHR
1 stop16h 54m
KLM
Wed 3/620:55
LHR
-
SJO
1 stop26h 25m
KLM
Deal found 15/3£577
Mon 4/513:21
SJO
-
LHR
1 stop16h 54m
Multiple Airlines
Wed 3/608:55
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Deal found 15/3£578
Wed 8/411:38
SJO
-
LGW
1 stop15h 22m
Multiple Airlines
Wed 22/417:05
LGW
-
SJO
2 stops22h 45m
Multiple Airlines
Deal found 11/3£579

Find flight deals from San José to London

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 March 2026.

Round-trip from

£554

One-way from

£270

Popular in

July

Cheapest in

February

Average price

£639

Good round-trip deal

£630 or less
Air France
  • Air France
  • 16/5-31/5
  • 2 total stops
  • 53h 25m total
  • San José to London
Search Deals
20/7
  • 20/7
  • 1 total stop
  • 20h 00m total
  • San José to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from San José Juan Santamaria Intl to London (LON).
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 16 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 - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 25/4

14:31-13:15

1 stop15h 44m

London Heathrow

Mon 11/5

06:15-17:10

1 stop17h 55m

£585

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Tue 5/5

19:40-23:45

1 stop21h 05m

London Luton

Wed 13/5

18:10-08:50

2 stops21h 40m

£723

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Tue 14/4

07:45-13:15

2 stops22h 30m

London Luton

Tue 21/4

13:40-08:50

2 stops26h 10m

£791

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 26/3

07:00-06:25

1 stop17h 25m

London Heathrow

Sat 4/4

11:15-21:15

1 stop17h 00m

£797

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Tue 26/5

19:40-23:45

1 stop21h 05m

London Luton

Tue 30/6

08:00-17:10

1 stop16h 10m

£798

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 29/7

00:30-06:45

2 stops23h 15m

London Heathrow

Wed 5/8

07:45-19:37

2 stops18h 52m

£809

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 20/6

07:55-10:40

2 stops19h 45m

London Heathrow

Wed 8/7

16:00-10:11

2 stops25h 11m

£809

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 26/5

08:45-11:10

1 stop19h 25m

London Heathrow

Wed 1/7

10:00-22:39

1 stop19h 39m

£809

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 28/5

08:45-14:10

1 stop22h 25m

London Heathrow

Fri 3/7

13:40-22:39

1 stop15h 59m

£809

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 21/8

13:25-10:40

2 stops38h 15m

London Heathrow

Sun 6/9

07:45-19:37

2 stops18h 52m

£810

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San José to London

Have a flexible travel schedule? Discover the best time to fly to London from San José with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San José to London

How far ahead should I book a flight from San José to London?

Use this chart to determine the optimal time to book a return flight from San José to London. Price data was last updated on 13 March 2026.

The best time to book flights from San José to London is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San José to London?

Currently, October is the cheapest month in which you can book a flight from San José to London (average of £414). Flying from San José to London in August is currently the most expensive (average of £580). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJO to LON?

Find hourly flight availability from San José to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 March 2026.

When flying from San José to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What’s the top stopover airport for flights from San José to London?

Share of one-stop return flights from San José to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Atlanta (ATL) – chosen by Cheapflights users on 37% of one-stop itineraries from San José to London on Cheapflights.

What’s the cheapest stopover airport for flights from San José to London?

Average return fare for one-stop flights from San José to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £574.

What’s the fastest stopover option from San José to London?

Shortest average travel time for one-stop one-way flights from San José to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 14h 09m.

Which airport typically offers the quickest stopover for flights from San José to London?

Average stopover duration for one-stop one-way flights from San José to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Miami (MIA) offer the fastest connection on this route, with an average stopover time of 2h 08m.

How often are flights from San José to London delayed?

About 22% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 191 minutes.

What is the most punctual flight time for San José to London flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San José to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 22% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 16 March 2026.
Read through reviews of airlines operating flights from San José to London, such as KLM,Air France, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,546 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Iberia
7.0
Good
3,136 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,794 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.6

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from San José to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San José to London?

    For a flight from San José to London, you will be flying from Juan Santamaria Intl. San José Juan Santamaria Intl (SJO) is just 8.8 mi from the center of the city. Juan Santamaria Intl is the only San José airport and it handles 0 outbound flights to London per day. 4 airlines have flights to London from San José Juan Santamaria Intl on a regular basis.

  • How long is the flight from San José to London?

    Airlines like KLM and Air Europa fly from San José to London in about 16h 54m. The time it takes to get you to your destination can typically vary by up to 1h 41m. San José and London are separated by a distance of 5407 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from San José to London round-trip?

    Our cheapest airline available from San José to London is British Airways. Our recent data shows that you can find tickets from as low as £517 on this airline. Additional options worth looking into are KLM and Iberia, starting at £532 and £544 round-trip. British Airways is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from San José to London?

    While some choose either San José Juan Santamaria Intl - London Gatwick or San José Juan Santamaria Intl - London City, San José Juan Santamaria Intl - London Heathrow is the most popular route from San José to London.

  • Can I find deals for flights from San José to London that include hotel bookings?

    Yes. In addition to deals on San José to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San José to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to London.

  • Can I find deals for business class flights from San José to London?

    Yes. Cheapflights offers flight deals from San José to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San José to London?

    Currently, October is the cheapest month in which you can book a flight from San José to London (average of £414). Flying from San José to London in August is currently the most expensive (average of £580). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from San José to London

Discover the top 4 airlines that operate flights from San José to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£517Average£660FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£532Average£604FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£544Average£786FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£563Average£677FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San José to London?

When you search for this flight from San José to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San José to London?

Cheapflights simply makes it quick and affordable to book flights from San José to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San José to London with no change fees?

Need flexible booking options for your flight to London from San José? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San José to London become cheaper?

Yes, Cheapflights offers price alerts on San José to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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