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Cheap flights from San José to London from £197

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
11 Jan — 18 Jan1
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 October, booked 77 days in advance, depart on a Wednesday or Monday 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 12 December 2025.

Sat 13/1207:00SJO - LHR
1 stop17h 25mKLM
Sat 17/110:45LHR - SJO
1 stop17h 30mKLM
Deal found 10/12£559
Fri 12/1207:00SJO - LHR
1 stop22h 40mKLM
Sun 14/1208:55LHR - SJO
1 stop19h 25mKLM
Deal found 10/12£560
Wed 10/1214:31SJO - LHR
1 stop15h 09mMultiple Airlines
Wed 4/312:30LHR - SJO
1 stop15h 32mMultiple Airlines
Deal found 10/12£563
Mon 22/1218:15SJO - LHR
1 stop32h 10mBritish Airways
Fri 16/110:45LHR - SJO
1 stop35h 50mBritish Airways
Deal found 12/12£565
Sat 20/1218:15SJO - LHR
1 stop17h 00mBritish Airways
Fri 16/109:15LHR - SJO
1 stop37h 20mBritish Airways
Deal found 12/12£583
Thu 25/1218:15SJO - LHR
1 stop32h 10mBritish Airways
Tue 13/110:45LHR - SJO
1 stop35h 50mBritish Airways
Deal found 12/12£588
Tue 23/1218:15SJO - LGW
1 stop18h 45mBritish Airways
Tue 13/111:45LGW - SJO
1 stop34h 50mBritish Airways
Deal found 12/12£588
Tue 16/1218:15SJO - LHR
1 stop18h 00mBritish Airways
Fri 30/107:30LHR - SJO
1 stop15h 05mBritish Airways
Deal found 11/12£608
Sat 20/1218:15SJO - LHR
1 stop17h 00mBritish Airways
Thu 1/107:30LHR - SJO
1 stop15h 05mBritish Airways
Deal found 11/12£617
Tue 23/1218:15SJO - LGW
1 stop18h 45mBritish Airways
Sun 11/111:45LGW - SJO
1 stop34h 50mBritish Airways
Deal found 12/12£622
Sat 20/1218:15SJO - LHR
1 stop16h 20mBritish Airways
Sat 24/118:45LHR - SJO
1 stop27h 50mBritish Airways
Deal found 12/12£625
Tue 30/1218:15SJO - LHR
1 stop21h 55mBritish Airways
Mon 12/118:45LHR - SJO
1 stop27h 50mBritish Airways
Deal found 11/12£634

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 12 December 2025.

Round-trip from

£531

One-way from

£197

Popular in

July

Cheapest in

February

Average price

£686

Good round-trip deal

£596 or less
24/2-3/3
  • 24/2-3/3
  • 2 total stops
  • 34h 40m total
  • San José to London
Search Deals
5/2
  • 5/2
  • 1 total stop
  • 15h 27m total
  • San José to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
Use the filters below to find and compare flights from San José to London that are best for you.

Fly from

San José

Fly to

London

Route

Depart

Return

Price

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Tue 24/2

22:00-20:20

1 stop16h 20m

London Luton

Tue 3/3

06:20-19:00

1 stop18h 40m

£535

San JoséLondon

SJO - LGW

SJOLGW

San José Juan Santamaria Intl

Tue 10/2

18:30-10:55

Nonstop10h 25m

London Gatwick

Tue 24/2

11:00-16:40

Nonstop11h 40m

£544

San JoséLondon

SJO - STN

SJOSTN

San José Juan Santamaria Intl

Tue 10/2

22:00-20:15

1 stop16h 15m

London Stansted

Sat 21/2

08:50-19:00

1 stop16h 10m

£544

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 4/5

13:25-13:30

1 stop17h 05m

London Heathrow

Mon 11/5

06:30-16:20

1 stop16h 50m

£549

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 18/5

13:25-13:30

1 stop17h 05m

London Heathrow

Fri 29/5

20:55-16:20

1 stop26h 25m

£549

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 13/1

14:31-11:40

1 stop15h 09m

London Heathrow

Tue 20/1

08:55-22:15

1 stop19h 20m

£559

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 5/5

13:25-13:30

1 stop17h 05m

London Heathrow

Tue 19/5

15:25-17:10

1 stop32h 45m

£559

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 13/2

07:00-07:50

1 stop18h 50m

London Heathrow

Fri 20/2

10:45-22:02

1 stop17h 17m

£559

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 25/4

13:25-11:10

1 stop14h 45m

London Heathrow

Sat 2/5

19:45-17:10

1 stop28h 25m

£559

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 12/1

07:00-07:50

1 stop18h 50m

London Heathrow

Wed 28/1

08:55-22:15

1 stop19h 20m

£559

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 60 results
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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 5 December 2025.

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 £410). 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 12 December 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 9% on flights from San José to London by exploring options for tickets in the morning.

What is the cheapest day to fly from San José to London?

Use this chart to determine the cheapest time to fly return from San José to London. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their San José to London flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 42% 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.

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £477.

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 23m.

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 26m.

How often are flights from San José to London delayed?

About 37% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 187 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?

Saturday tends to have the lowest number of delays on this route, whereas Thursday 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 37% 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 12 December 2025.
Read through reviews of airlines operating flights from San José to London, such as KLM, Air France, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Air France
7.4
Good
1,504 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Air Canada
7.1
Good
10,517 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Iberia
7.0
Good
3,045 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,571 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 British Airways and KLM fly from San José to London in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 6h 40m. San José and London are separated by a distance of 5420 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 Air France. Our recent data shows that you can find tickets from as low as £437 on this airline. Additional options worth looking into are KLM and British Airways, starting at £519 and £528 round-trip. Air France is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San José to London one-way?

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at £356. Iberia flights start at £362 while deals on British Airways start at £465 one-way.

  • 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 £410). 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?

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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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£437Average£606FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£519Average£580FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£528Average£684FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£579Average£777FlexibilityNo cancel feeOn-time77%
Search Iberia 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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