Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San José to London from £247

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
19 Jul — 26 Jul1
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 78 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 19 June 2026.

Mon 5/1019:05
SJO
-
LCY
2 stops17h 40m
KLM
Wed 28/1007:45
LCY
-
SJO
1 stop15h 45m
KLM
Deal found 16/6£623
Wed 16/913:25
SJO
-
LHR
1 stop16h 50m
KLM
Wed 23/920:55
LHR
-
SJO
1 stop26h 25m
KLM
Deal found 16/6£624
Wed 28/1013:23
SJO
-
LHR
2 stops18h 22m
Multiple Airlines
Sat 14/1108:55
LHR
-
SJO
1 stop19h 20m
Multiple Airlines
Deal found 15/6£625
Sun 2/813:16
SJO
-
LHR
1 stop16h 59m
Multiple Airlines
Sun 13/913:25
LHR
-
SJO
1 stop29h 29m
Multiple Airlines
Deal found 15/6£626
Mon 2/1119:30
SJO
-
LHR
2 stops16h 50m
Multiple Airlines
Wed 18/1108:55
LHR
-
SJO
1 stop19h 20m
Multiple Airlines
Deal found 15/6£627
Thu 17/913:25
SJO
-
LHR
1 stop16h 50m
KLM
Thu 8/1006:30
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 16/6£628
Fri 6/1114:23
SJO
-
LHR
1 stop15h 17m
Multiple Airlines
Sat 21/1112:30
LHR
-
SJO
1 stop15h 45m
Multiple Airlines
Deal found 15/6£629
Wed 18/1107:00
SJO
-
LHR
1 stop18h 50m
Multiple Airlines
Wed 2/1206:20
LHR
-
SJO
2 stops17h 10m
Multiple Airlines
Deal found 16/6£631
Wed 5/813:14
SJO
-
LHR
1 stop17h 01m
KLM
Wed 26/806:30
LHR
-
SJO
2 stops22h 15m
KLM
Deal found 15/6£632
Tue 29/913:25
SJO
-
LHR
1 stop16h 50m
KLM
Tue 13/1008:40
LHR
-
SJO
2 stops16h 44m
KLM
Deal found 16/6£632
Mon 14/913:25
SJO
-
LHR
1 stop14h 55m
KLM
Mon 28/919:15
LHR
-
SJO
1 stop28h 05m
KLM
Deal found 16/6£633
Wed 18/1119:30
SJO
-
LCY
1 stop15h 50m
KLM
Wed 2/1208:40
LCY
-
SJO
1 stop14h 50m
KLM
Deal found 15/6£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 19 June 2026.

Round-trip from

£623

One-way from

£247

Popular in

July

Cheapest in

February

Average price

£805
KLM
  • KLM
  • 5/10-28/10
  • 3 total stops
  • 33h 25m total
  • San José to London
Search Deals
17/10
  • 17/10
  • 1 total stop
  • 33h 30m total
  • San José to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 19 June 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 - LTN

SJOLTN

San José Juan Santamaria Intl

Tue 13/10

19:40-23:45

1 stop21h 05m

London Luton

Tue 20/10

08:00-17:10

1 stop16h 10m

£676

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 30/9

13:25-13:15

1 stop16h 50m

London Heathrow

Wed 7/10

08:40-18:24

2 stops16h 44m

£686

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 2/12

14:30-11:40

1 stop15h 10m

London Heathrow

Tue 15/12

10:45-22:15

1 stop17h 30m

£691

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 6/11

18:20-17:00

2 stops16h 40m

London Heathrow

Sat 14/11

15:50-13:05

1 stop27h 15m

£717

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Tue 3/11

21:00-20:20

1 stop17h 20m

London Luton

Tue 10/11

07:45-19:00

1 stop17h 15m

£723

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Sat 21/11

21:00-23:00

1 stop20h 00m

London Luton

Sat 5/12

07:45-19:00

1 stop17h 15m

£725

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 17/7

17:55-18:35

2 stops17h 40m

London Heathrow

Sun 16/8

06:15-17:00

1 stop17h 45m

£731

San JoséLondon

SJO - LCY

SJOLCY

San José Juan Santamaria Intl

Wed 21/10

19:05-19:45

2 stops17h 40m

London City

Wed 4/11

09:20-17:30

1 stop14h 10m

£736

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 5/10

14:48-13:50

2 stops16h 02m

London Heathrow

Wed 28/10

11:30-21:51

2 stops16h 21m

£741

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 11/9

17:55-18:35

2 stops17h 40m

London Heathrow

Wed 30/9

20:55-16:20

1 stop26h 25m

£750

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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

Currently, September is the cheapest month in which you can book a flight from San José to London (average of £205). Flying from San José to London in December is currently the most expensive (average of £1,015). 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.

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.

Paris (CDG) – chosen by Cheapflights users on 29% 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 £599.

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 Paris (CDG) have the shortest average one-way travel time for one-stop routes: 13h 55m.

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 Paris (CDG) offer the fastest connection on this route, with an average stopover time of 1h 35m.

How often are flights from San José to London delayed?

About 17% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 189 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 17% of flights being delayed.

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

The best time to book flights from San José to London is 57 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.

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 19 June 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
1,530 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.4
Good
1,609 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Iberia
7.0
Good
3,238 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,055 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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. 3 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, Air France, and Air Europa 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 1h 47m. 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 £516 on this airline. Additional options worth looking into are KLM and Air France, starting at £570 and £576 round-trip. British Airways is priced at 24% 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 £399. American Airlines flights start at £422 while deals on Air Canada start at £456 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, September is the cheapest month in which you can book a flight from San José to London (average of £205). Flying from San José to London in December is currently the most expensive (average of £1,015). 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
Southall

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from San José to London

Discover the top 3 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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£516Average£659FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£570Average£673FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£576Average£688FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.