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Cheap flights from San José to London from £291

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
4 Jun — 11 Jun1
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 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 5 May 2026.

Thu 4/623:20
SJO
-
STN
1 stop17h 35m
Multiple Airlines
Thu 11/606:00
STN
-
SJO
1 stop22h 20m
Multiple Airlines
Deal found 3/5£594
Mon 2/1117:25
SJO
-
LHR
1 stop17h 50m
Iberia
Mon 16/1106:15
LHR
-
SJO
1 stop15h 30m
Iberia
Deal found 3/5£604
Tue 2/618:25
SJO
-
LHR
1 stop18h 00m
KLM
Thu 11/606:30
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 5/5£610
Thu 4/623:20
SJO
-
STN
1 stop17h 35m
Multiple Airlines
Sat 6/608:45
STN
-
SJO
1 stop16h 30m
Multiple Airlines
Deal found 3/5£612
Sat 6/621:10
SJO
-
STN
1 stop31h 10m
Multiple Airlines
Thu 11/606:00
STN
-
SJO
1 stop22h 20m
Multiple Airlines
Deal found 1/5£613
Wed 6/513:21
SJO
-
LHR
1 stop14h 59m
KLM
Tue 26/506:30
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 1/5£616
Sat 9/514:40
SJO
-
LHR
1 stop15h 35m
KLM
Thu 11/606:30
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 5/5£617
Sat 9/514:40
SJO
-
LHR
1 stop15h 35m
KLM
Sat 16/506:30
LHR
-
SJO
1 stop16h 50m
KLM
Deal found 3/5£617
Thu 7/513:20
SJO
-
LHR
1 stop16h 55m
Multiple Airlines
Thu 21/506:30
LHR
-
SJO
1 stop16h 50m
Multiple Airlines
Deal found 5/5£618
Tue 26/519:40
SJO
-
STN
1 stop18h 20m
Multiple Airlines
Thu 11/606:00
STN
-
SJO
1 stop22h 20m
Multiple Airlines
Deal found 3/5£620
Tue 15/907:10
SJO
-
LHR
1 stop16h 25m
Air Canada
Thu 17/906:00
LHR
-
SJO
2 stops23h 00m
Air Canada
Deal found 3/5£621
Tue 12/513:20
SJO
-
LHR
1 stop16h 55m
Multiple Airlines
Sun 17/506:15
LHR
-
SJO
1 stop17h 55m
Multiple Airlines
Deal found 30/4£622

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 5 May 2026.

Round-trip from

£569

One-way from

£291

Popular in

July

Cheapest in

February

Average price

£669
2/6-11/6
  • 2/6-11/6
  • 2 total stops
  • 40h 40m total
  • San José to London
Search Deals
4/6
  • 4/6
  • 1 total stop
  • 17h 35m total
  • San José to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£79 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 May 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 5 May 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

Wed 30/9

13:25-13:15

1 stop16h 50m

London Heathrow

Wed 7/10

11:15-11:58

1 stop31h 43m

£651

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 6/6

14:40-13:15

1 stop15h 35m

London Heathrow

Sat 13/6

06:30-16:20

1 stop16h 50m

£682

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 19/9

13:25-13:15

1 stop16h 50m

London Heathrow

Fri 2/10

15:15-11:54

1 stop27h 39m

£689

San JoséLondon

SJO - LTN

SJOLTN

San José Juan Santamaria Intl

Thu 1/10

18:50-18:10

1 stop16h 20m

London Luton

Sat 10/10

06:20-18:15

1 stop18h 55m

£738

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 16/5

06:00-09:40

2 stops44h 40m

London Heathrow

Sun 24/5

10:50-22:39

2 stops42h 49m

£751

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 10/9

07:55-11:35

1 stop20h 40m

London Heathrow

Mon 21/9

10:00-19:37

1 stop16h 37m

£752

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 5/7

00:30-07:15

2 stops23h 45m

London Heathrow

Thu 23/7

08:00-10:11

2 stops33h 11m

£752

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 17/5

08:45-14:10

1 stop22h 25m

London Heathrow

Fri 29/5

07:45-19:37

2 stops18h 52m

£752

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 6/7

13:25-11:35

1 stop15h 10m

London Heathrow

Wed 15/7

14:10-12:21

2 stops29h 11m

£752

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 27/8

13:25-10:40

2 stops38h 15m

London Heathrow

Sat 19/9

13:40-12:21

1 stop29h 41m

£752

Flights are sorted by cheapest return flights first.

Deals found on 4/5

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?

The best time to book flights from San José to London is 76 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, September is the cheapest month in which you can book a flight from San José to London (average of £201). Flying from San José to London in December is currently the most expensive (average of £858). 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.

Atlanta (ATL) – 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.

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £586.

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 Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 55m.

How often are flights from San José to London delayed?

About 18% of weekly flights between San José and London have experienced delays in the past year, with the average delay time being 203 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 18% 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 5 May 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
1,511 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

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
1,511 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

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
1,585 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

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
3,208 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

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
7,945 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Overall

7.8

Comfort

7.7

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. 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, United Airlines, and Lufthansa fly from San José to London in about 15h 30m. The time it takes to get you to your destination can typically vary by up to 29h 10m. San José and London are separated by a distance of 5429 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 £504 on this airline. Additional options worth looking into are Iberia and KLM, starting at £530 and £539 round-trip. British Airways is priced at 22% 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, September is the cheapest month in which you can book a flight from San José to London (average of £201). Flying from San José to London in December is currently the most expensive (average of £858). 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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Wembley
Croydon
Hounslow
Luton
Gatwick
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Hayes
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Watford
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Guildford
Bishop's Stortford
Chelmsford

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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£504Average£644FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£530Average£830FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£539Average£636FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£550Average£673FlexibilityNo 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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