Cheap flights from London to San José from £289

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to San José Juan Santamaria Intl are usually found in September or October, booked 81 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from London to San José

Enter your travel dates to find the best prices.

Cheapest flights from London to San José
Explore the most affordable flight options available from London to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Mon 15/622:05
LHR
-
SJO
1 stop24h 20m
Avianca
Mon 29/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 8/6£650
Thu 11/622:05
LHR
-
SJO
2 stops32h 10m
Avianca
Sun 14/605:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 6/6£651
Tue 3/1121:40
LHR
-
SJO
2 stops31h 35m
Avianca
Tue 10/1105:45
SJO
-
LHR
2 stops26h 50m
Avianca
Deal found 7/6£652
Thu 5/1118:40
LHR
-
SJO
2 stops34h 35m
Multiple Airlines
Thu 19/1108:35
SJO
-
LHR
2 stops18h 45m
Multiple Airlines
Deal found 6/6£653
Sat 20/618:35
LGW
-
SJO
1 stop25h 20m
SWISS
Sun 5/714:40
SJO
-
LGW
2 stops20h 10m
SWISS
Deal found 6/6£653
Sat 7/1121:40
LHR
-
SJO
1 stop32h 35m
Avianca
Sat 21/1109:45
SJO
-
LHR
1 stop22h 50m
Avianca
Deal found 6/6£655
Sat 20/609:30
LHR
-
SJO
1 stop15h 05m
Lufthansa
Tue 23/619:25
SJO
-
LHR
1 stop15h 15m
Lufthansa
Deal found 6/6£656
Sat 5/909:30
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Sat 19/907:15
SJO
-
LHR
1 stop16h 15m
Multiple Airlines
Deal found 8/6£657
Tue 10/1121:40
LHR
-
SJO
1 stop17h 10m
Avianca
Mon 23/1101:45
SJO
-
LHR
1 stop30h 50m
Avianca
Deal found 9/6£657
Mon 31/822:05
LHR
-
SJO
1 stop17h 45m
Avianca
Sat 1/509:25
SJO
-
LHR
1 stop23h 10m
Avianca
Deal found 10/6£658
Fri 26/606:00
LHR
-
SJO
1 stop15h 05m
SWISS
Wed 1/715:50
SJO
-
LHR
1 stop19h 00m
SWISS
Deal found 10/6£659
Sat 20/618:35
LGW
-
SJO
1 stop25h 20m
SWISS
Fri 3/715:50
SJO
-
LGW
1 stop19h 00m
SWISS
Deal found 6/6£659

Find flight deals from London to San José

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San José (SJO). 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 11 June 2026.

Round-trip from

£650

One-way from

£289

Popular in

December

Cheapest in

September

Average price

£686

Good round-trip deal

£696 or less
Avianca
  • Avianca
  • 24/6-9/7
  • 2 total stops
  • 40h 55m total
  • London to San José
1/9
  • 1/9
  • 1 total stop
  • 32h 11m total
  • London to San José
Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from London (LON) to San José Juan Santamaria Intl.

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to San José 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 11 June 2026.
Use the filters below to find and compare flights from London to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

Sat 20/6

18:35-12:55

1 stop25h 20m

San José Juan Santamaria Intl

Fri 3/7

15:50-17:50

1 stop19h 00m

£659

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 24/6

20:25-17:35

2 stops28h 10m

San José Juan Santamaria Intl

Tue 14/7

19:25-20:45

2 stops18h 20m

£697

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 9/7

10:00-19:37

1 stop16h 37m

San José Juan Santamaria Intl

Thu 16/7

08:45-11:10

1 stop19h 25m

£733

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 4/8

08:00-10:11

2 stops33h 11m

San José Juan Santamaria Intl

Sun 9/8

00:30-06:55

2 stops23h 25m

£733

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 26/11

20:15-18:55

2 stops28h 40m

San José Juan Santamaria Intl

Fri 18/12

20:40-21:00

2 stops18h 20m

£734

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 6/7

07:30-22:39

2 stops22h 09m

San José Juan Santamaria Intl

Sat 22/8

08:45-14:10

1 stop22h 25m

£734

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 4/8

07:45-20:19

1 stop19h 34m

San José Juan Santamaria Intl

Thu 27/8

13:25-06:55

2 stops34h 30m

£736

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 6/8

16:40-10:11

2 stops24h 31m

San José Juan Santamaria Intl

Sun 23/8

08:45-14:10

1 stop22h 25m

£736

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Thu 6/8

16:40-10:11

2 stops24h 31m

San José Juan Santamaria Intl

Mon 24/8

08:45-11:10

1 stop19h 25m

£736

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Sun 16/8

10:00-19:37

1 stop16h 37m

San José Juan Santamaria Intl

Sat 29/8

07:55-11:55

2 stops21h 00m

£736

Flights are sorted by cheapest return flights first.

Deals found on 10/6

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

Best time to book a flight from London to San José

Have a flexible travel schedule? Discover the best time to fly to San José from London 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 London to San José

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

Currently, June is the cheapest month in which you can book a flight from London to San José (average of £355). Flying from London to San José in November is currently the most expensive (average of £1,407). 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 London to San José?

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

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

Houston (IAH) – chosen by Cheapflights users on 23% of one-stop itineraries from London to San José on Cheapflights.

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

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

New York (JFK) is the most affordable one-stop option, with an average return flight price of £539.

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

Shortest average travel time for one-stop one-way flights from London to San José, 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 45m.

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

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

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 31m.

How often are flights from London to San José delayed?

About 22% of weekly flights between London and San José have experienced delays in the past year, with the average delay time being 146 minutes.

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

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

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

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

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

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

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

The best time to book flights from London to San José is 89 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 San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated 11 June 2026.
Read through reviews of airlines operating flights from London to San José, such as United Airlines,Air Canada, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from London to San José. 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 into for flights to San José from London?

    San José Juan Santamaria Intl (SJO) is the airport you will fly into if you book a flight from London to San José. You should not have trouble finding flights to Juan Santamaria Intl from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 12 airlines have flights to the San José airport from London. It is only a 8.8 mi journey from Juan Santamaria Intl (SJO) to San José’s city center.

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

    There are many flights that can get you from London to San José in 16h 37m. Fly via SWISS, Lufthansa, or United Airlines to get the fastest option. The distance between London and San José is about 5407 mi. This flight may include one or multiple stops.

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

    According to our current data, Avianca (£433), SWISS (£441), and Air Canada (£446) offers the cheapest pricing from London to San José. Avianca is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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

  • What are the cheapest flights from London to San José?

    Looking at all options, your cheapest flight can be booked for £841. While the most popular route (London Heathrow - San José Juan Santamaria Intl) can be booked for £529 on average, our data indicates £981 when flying from London to San José.

  • Where are the most common stopover locations when flying from London to San José?

  • What are some popular points of interest to see during a stopover in Paris?

    Most Paris visitors opt to spend their time at Eiffel Tower, Champs-Elysées, and Opéra Garnier. Travellers on a stopover in Paris can visit Eiffel Tower, Champs-Elysées, and Opéra Garnier, by travelling 15.8 mi, 14.7 mi, and 13.9 mi, respectively after landing at Paris Charles de Gaulle. Those landing in Paris looking to spend some time exploring during their stopover can hire a car for about £37 per day.

  • Where are the least popular stopover locations for London to San José flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to San José 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 London to San José?

    Currently, June is the cheapest month in which you can book a flight from London to San José (average of £355). Flying from London to San José in November is currently the most expensive (average of £1,407). 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

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.

Fly from London to San José on these airlines

Choose from the following airlines for your flight from London to San José. Flights are based on user searches made on Cheapflights and were last updated on 11 June 2026.

Top 10 airlines flying from London to San José

Discover the top 10 airlines that operate flights from London to San José. 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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£433Average£612FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£441Average£668FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£446Average£629FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£475Average£521FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£496Average£681FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£504Average£650FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£516Average£654FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£545Average£874FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£589Average£761FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£591Average£805FlexibilityNo cancel feeOn-time70%
Search British Airways 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 London to San José?

Deals for London to San José flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to San José for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from London to San José with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.