Cheap flights from London to San José from £275

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
23 Jul — 30 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 23 June 2026.

Tue 10/1118:40
LHR
-
SJO
1 stop26h 10m
SWISS
Wed 18/1116:45
SJO
-
LHR
1 stop20h 30m
SWISS
Deal found 22/6£663
Mon 31/822:05
LHR
-
SJO
1 stop17h 45m
Avianca
Sat 1/509:25
SJO
-
LHR
1 stop23h 10m
Avianca
Deal found 21/6£663
Thu 10/920:05
LHR
-
SJO
1 stop25h 00m
Multiple Airlines
Sat 26/919:25
SJO
-
LHR
1 stop18h 15m
Multiple Airlines
Deal found 19/6£664
Sat 19/922:05
LHR
-
SJO
1 stop24h 20m
Avianca
Sat 3/1017:25
SJO
-
LHR
2 stops39h 10m
Avianca
Deal found 22/6£665
Thu 26/1121:40
LHR
-
SJO
1 stop17h 10m
Avianca
Thu 10/1209:45
SJO
-
LHR
1 stop22h 50m
Avianca
Deal found 19/6£667
Tue 15/922:05
LHR
-
SJO
1 stop32h 50m
Avianca
Sat 26/917:25
SJO
-
LHR
2 stops39h 10m
Avianca
Deal found 22/6£668
Mon 26/1009:15
LCY
-
SJO
1 stop15h 35m
SWISS
Sat 7/1116:45
SJO
-
LCY
1 stop13h 55m
SWISS
Deal found 19/6£669
Thu 1/1018:40
LHR
-
SJO
1 stop26h 25m
Multiple Airlines
Wed 14/1007:10
SJO
-
LHR
1 stop19h 25m
Multiple Airlines
Deal found 20/6£669
Thu 10/918:35
LGW
-
SJO
1 stop26h 30m
SWISS
Fri 25/915:50
SJO
-
LGW
1 stop19h 00m
SWISS
Deal found 19/6£669
Fri 4/906:00
LHR
-
SJO
1 stop15h 05m
SWISS
Wed 4/1116:45
SJO
-
LHR
1 stop14h 15m
SWISS
Deal found 19/6£669
Wed 23/914:00
LGW
-
SJO
1 stop32h 11m
Multiple Airlines
Thu 1/1007:07
SJO
-
LGW
1 stop19h 53m
Multiple Airlines
Deal found 19/6£669
Sat 27/620:05
LHR
-
SJO
1 stop23h 50m
Multiple Airlines
Sat 11/707:15
SJO
-
LHR
1 stop19h 45m
Multiple Airlines
Deal found 20/6£670

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 23 June 2026.

Round-trip from

£663

One-way from

£275

Popular in

December

Cheapest in

September

Average price

£712

Good round-trip deal

£704 or less
Avianca
  • Avianca
  • 31/8-30/4
  • 2 total stops
  • 55h 05m total
  • London to San José
7/9
  • 7/9
  • 2 total stops
  • 62h 30m total
  • London to San José
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 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 23 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

LCY - SJO

LCYSJO

London City

Tue 15/9

09:15-17:35

1 stop15h 20m

San José Juan Santamaria Intl

Tue 29/9

19:25-17:55

1 stop15h 30m

£694

LondonSan José

LCY - SJO

LCYSJO

London City

Thu 1/10

19:15-14:05

1 stop25h 50m

San José Juan Santamaria Intl

Tue 6/10

19:25-17:55

1 stop15h 30m

£696

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 16/10

09:40-11:58

2 stops33h 18m

San José Juan Santamaria Intl

Mon 2/11

14:23-20:00

2 stops23h 37m

£716

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Fri 14/8

15:20-11:38

1 stop27h 18m

San José Juan Santamaria Intl

Sun 23/8

08:45-14:10

1 stop22h 25m

£735

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 3/8

08:00-10:11

2 stops33h 11m

San José Juan Santamaria Intl

Sat 8/8

00:30-09:00

2 stops25h 30m

£737

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Mon 10/8

08:00-22:39

2 stops21h 39m

San José Juan Santamaria Intl

Sat 12/9

07:55-07:55

1 stop17h 00m

£743

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 7/7

16:40-10:11

2 stops24h 31m

San José Juan Santamaria Intl

Tue 4/8

08:45-14:10

1 stop22h 25m

£753

LondonSan José

LCY - SJO

LCYSJO

London City

Thu 1/10

09:20-16:20

1 stop14h 00m

San José Juan Santamaria Intl

Wed 7/10

19:05-19:45

2 stops17h 40m

£759

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Wed 15/7

11:25-10:11

2 stops29h 46m

San José Juan Santamaria Intl

Sat 25/7

07:55-09:20

2 stops18h 25m

£762

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

Tue 14/7

10:25-20:19

1 stop16h 54m

San José Juan Santamaria Intl

Mon 27/7

00:30-07:55

1 stop24h 25m

£790

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £359). Flying from London to San José in August is currently the most expensive (average of £1,281). 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 22% 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 £545.

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 23 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.

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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.

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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.

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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.

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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.

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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.

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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 15h 20m. Fly via Lufthansa, Delta, or United Airlines to get the fastest option. The distance between London and San José is about 5429 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 (£438), SWISS (£446), and Air Canada (£448) 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 £649. While the most popular route (London Heathrow - San José Juan Santamaria Intl) can be booked for £641 on average, our data indicates £851 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 £36 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 £359). Flying from London to San José in August is currently the most expensive (average of £1,281). 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

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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 23 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 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£438Average£619FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£446Average£685FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£448Average£645FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
JetBlueCheapest£481Average£527FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£502Average£701FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£509Average£657FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£522Average£662FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£569Average£886FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£597Average£778FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£598Average£820FlexibilityNo 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!

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