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Cheap flights from San José to London from £279

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
28 Feb — 7 Mar1
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 25 days in advance, depart on a Wednesday or Tuesday 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 29 January 2026.

Fri 27/212:35
SJO
-
LGW
1 stop15h 25m
Multiple Airlines
Fri 6/314:00
LGW
-
SJO
1 stop27h 40m
Multiple Airlines
Deal found 28/1£495
Mon 9/313:20
SJO
-
LHR
1 stop16h 20m
Multiple Airlines
Tue 17/308:55
LHR
-
SJO
1 stop14h 55m
Multiple Airlines
Deal found 28/1£499
Sun 1/314:25
SJO
-
LHR
1 stop15h 15m
Multiple Airlines
Tue 10/308:55
LHR
-
SJO
1 stop14h 55m
Multiple Airlines
Deal found 27/1£500
Tue 10/313:20
SJO
-
LHR
1 stop16h 20m
Multiple Airlines
Tue 17/306:20
LHR
-
SJO
1 stop17h 30m
Multiple Airlines
Deal found 27/1£505
Sat 14/311:38
SJO
-
LGW
2 stops36h 22m
Multiple Airlines
Fri 20/313:00
LGW
-
SJO
2 stops27h 42m
Multiple Airlines
Deal found 28/1£509
Tue 3/314:25
SJO
-
LHR
1 stop15h 15m
Multiple Airlines
Mon 4/506:15
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 28/1£511
Mon 23/311:38
SJO
-
LGW
1 stop16h 22m
Multiple Airlines
Thu 9/408:40
LGW
-
SJO
3 stops37h 45m
Multiple Airlines
Deal found 27/1£511
Mon 9/313:20
SJO
-
LHR
1 stop16h 20m
Multiple Airlines
Mon 16/308:55
LHR
-
SJO
1 stop14h 55m
Multiple Airlines
Deal found 27/1£513
Wed 28/120:05
SJO
-
LHR
1 stop14h 30m
Air France
Tue 3/208:55
LHR
-
SJO
1 stop14h 55m
Air France
Deal found 27/1£513
Wed 3/619:05
SJO
-
LGW
1 stop13h 55m
Air France
Wed 10/610:25
LGW
-
SJO
1 stop13h 35m
Air France
Deal found 28/1£515
Tue 21/413:21
SJO
-
LHR
1 stop16h 54m
Multiple Airlines
Thu 7/517:35
LHR
-
SJO
1 stop30h 35m
Multiple Airlines
Deal found 26/1£516
Fri 1/513:21
SJO
-
LHR
1 stop34h 04m
Multiple Airlines
Wed 6/508:55
LHR
-
SJO
1 stop15h 15m
Multiple Airlines
Deal found 26/1£517

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 29 January 2026.

Round-trip from

£495

One-way from

£279

Popular in

July

Cheapest in

February

Average price

£640

Good round-trip deal

£548 or less

Good one-way deal

£505 or less
27/2-6/3
  • 27/2-6/3
  • 2 total stops
  • 43h 05m total
  • San José to London
Search Deals
9/2
  • 9/2
  • 2 total stops
  • 22h 00m total
  • San José to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£64 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 January 2026
Search Deals
Price to beat on a round-trip flight from San José Juan Santamaria Intl to London (LON).
Search Deals
Price to beat on a one-way 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 29 January 2026.
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 - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 2/3

14:35-11:40

1 stop15h 05m

London Heathrow

Tue 17/3

08:55-17:50

1 stop14h 55m

£499

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 1/3

14:25-11:40

1 stop15h 15m

London Heathrow

Tue 10/3

08:55-17:50

1 stop14h 55m

£500

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 10/3

13:20-11:40

1 stop16h 20m

London Heathrow

Tue 17/3

06:20-17:50

1 stop17h 30m

£505

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/5

13:25-13:15

1 stop16h 50m

London Heathrow

Mon 25/5

19:15-16:20

1 stop28h 05m

£519

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/5

13:25-13:15

1 stop16h 50m

London Heathrow

Wed 20/5

08:55-17:10

1 stop15h 15m

£520

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 9/5

13:25-13:15

1 stop16h 50m

London Heathrow

Sat 30/5

08:55-16:45

1 stop14h 50m

£522

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 2/4

13:20-13:15

1 stop16h 55m

London Heathrow

Tue 26/5

06:30-16:20

1 stop16h 50m

£526

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 2/6

18:25-09:00

1 stop31h 35m

London Heathrow

Tue 16/6

19:45-17:00

1 stop28h 15m

£528

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 7/5

13:25-11:20

1 stop14h 55m

London Heathrow

Thu 14/5

11:30-17:10

1 stop36h 40m

£528

San JoséLondon

SJO - LGW

SJOLGW

San José Juan Santamaria Intl

Thu 5/3

12:35-10:00

1 stop15h 25m

London Gatwick

Thu 12/3

14:00-10:42

1 stop26h 42m

£536

Flights are sorted by cheapest return flights first.

Deals found on 28/1

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 23 January 2026.

The best time to book flights from San José to London is 25 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 £397). Flying from San José to London in August is currently the most expensive (average of £563). 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 29 January 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.

How much does it cost for a return flight from San José to London?

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.

Madrid (MAD) – chosen by Cheapflights users on 33% 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 £463.

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 25% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 204 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?

Thursday 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 25% 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 29 January 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
7.7
Good
1,443 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,528 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Iberia
7.0
Good
3,099 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,705 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 Iberia fly from San José to London in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 2h 18m. 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 KLM. Our recent data shows that you can find tickets from as low as £489 on this airline. Additional options worth looking into are British Airways and Air France, starting at £495 and £525 round-trip. KLM 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 Stansted, 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 £397). Flying from San José to London in August is currently the most expensive (average of £563). 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
Milton Keynes
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
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Watford
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Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£489Average£563FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£495Average£644FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£525Average£728FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£639Average£811FlexibilityNo 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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