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San José

$363+ Cheap flights from London (LON) to San José (SJO)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJO
kwi 25 — maj 21
sob. 4/25
sob. 5/2
1 adult, Economy
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Cheap flight deals from London to San José

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 Marzec 26, 2026.

This Avianca deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/510:05 pm
LHR
-
SJO
2 stops32h 10m
Avianca
czw. 6/119:25 am
SJO
-
LHR
1 stop23h 10m
Avianca
Deal found 3/26$786
This Avianca deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 10/259:40 pm
LHR
-
SJO
1 stop23h 40m
Avianca
sob. 11/76:00 am
SJO
-
LHR
2 stops26h 35m
Avianca
Deal found 3/26$791
This Avianca deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 5/310:05 pm
LHR
-
SJO
2 stops41h 25m
Avianca
pon. 5/115:25 pm
SJO
-
LHR
2 stops39h 10m
Avianca
Deal found 3/25$799
This Avianca deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/510:05 pm
LHR
-
SJO
2 stops32h 10m
Avianca
sob. 6/134:35 pm
SJO
-
LHR
2 stops40h 00m
Avianca
Deal found 3/26$800
This Avianca deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 5/710:05 pm
LHR
-
SJO
1 stop17h 45m
Avianca
sob. 5/165:25 pm
SJO
-
LHR
2 stops39h 10m
Avianca
Deal found 3/25$806
This Avianca deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 9/1410:05 pm
LHR
-
SJO
1 stop24h 20m
Avianca
pon. 9/284:00 pm
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 3/24$809
This Avianca deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 4/2210:05 pm
LHR
-
SJO
1 stop17h 45m
Avianca
sob. 5/24:00 pm
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 3/23$810
This Avianca deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 4/1810:05 pm
LHR
-
SJO
1 stop17h 45m
Avianca
pon. 5/44:00 pm
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 3/23$811
This Avianca deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 4/1110:05 pm
LHR
-
SJO
2 stops41h 25m
Avianca
sob. 4/254:00 pm
SJO
-
LHR
1 stop16h 35m
Avianca
Deal found 3/23$814
This Lufthansa deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 5/286:35 pm
LGW
-
SJO
1 stop26h 30m
SWISS
pt. 6/193:50 pm
SJO
-
LGW
1 stop19h 00m
SWISS
Deal found 3/25$857
This Lufthansa deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 5/279:20 am
LGW
-
SJO
1 stop15h 15m
SWISS
pt. 6/123:50 pm
SJO
-
LGW
1 stop19h 00m
SWISS
Deal found 3/22$864
This Lufthansa deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 5/279:25 am
LGW
-
SJO
1 stop15h 10m
SWISS
śr. 6/173:50 pm
SJO
-
LGW
1 stop19h 05m
SWISS
Deal found 3/25$867

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 Marzec 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$786
(Avianca)

One-way from

$363
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$931
Provider with most accurate pricing for London (LON)-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-San José Juan Santamaria Intl flights.
Search Deals
From London (LON) to San José Juan Santamaria Intl
Search Deals
One-way flight from London (LON) to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated Marzec 26, 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 round-trip

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

czw. 6/18

7:30 am-10:39 pm

2 stops22h 09m

San José Juan Santamaria Intl

czw. 7/23

7:55 am-10:40 am

2 stops19h 45m

$924
Quickest round-trip

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

śr. 6/24

6:00 am-2:05 pm

1 stop15h 05m

San José Juan Santamaria Intl

czw. 7/9

7:25 pm-5:40 pm

1 stop15h 15m

$931

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

sob. 6/6

7:30 am-7:15 am

2 stops30h 45m

San José Juan Santamaria Intl

pt. 6/19

12:30 am-7:15 am

2 stops23h 45m

$932

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

czw. 4/16

7:30 am-8:19 pm

2 stops19h 49m

San José Juan Santamaria Intl

sob. 4/25

1:25 pm-6:45 am

2 stops34h 20m

$936

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

ndz. 5/24

11:25 am-10:39 pm

2 stops18h 14m

San José Juan Santamaria Intl

sob. 5/30

12:30 am-7:15 am

2 stops23h 45m

$956

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

pon. 8/17

10:00 am-7:37 pm

1 stop16h 37m

San José Juan Santamaria Intl

pon. 8/24

8:45 am-2:10 pm

1 stop22h 25m

$961

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

sob. 4/11

8:00 am-7:37 pm

2 stops18h 37m

San José Juan Santamaria Intl

wt. 4/28

7:55 am-10:40 am

2 stops19h 45m

$998

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

pon. 6/15

8:00 am-10:39 pm

2 stops21h 39m

San José Juan Santamaria Intl

pon. 6/29

7:15 am-10:15 am

2 stops20h 00m

$1,036

LondonSan José

LGW - SJO

LGWSJO

London Gatwick

pt. 5/29

11:35 am-10:05 pm

1 stop17h 30m

San José Juan Santamaria Intl

pt. 6/12

11:25 pm-9:50 am

1 stop27h 25m

$1,081

LondonSan José

LHR - SJO

LHRSJO

London Heathrow

śr. 8/5

1:40 pm-10:39 pm

1 stop15h 59m

San José Juan Santamaria Intl

śr. 8/19

7:55 am-7:40 am

1 stop16h 45m

$1,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 37 resultsSorted by cheapest first
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2
3
4
  • Most accurate provider: When it comes to deals on London-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-San José flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-San José flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

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

Use this chart to determine the optimal time to book a round-trip flight from London to San José. Price data was last updated on March 13, 2026.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from London to San José (average of $637). Flying from London to San José in July is currently the most expensive (average of $798). 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 LON to SJO?

Find hourly flight availability from London to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Marzec 26, 2026.

When flying from London to San José, 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 to fly round-trip from London to San José?

How often are flights from London to San José delayed?

About 24% of weekly flights between London and San José have experienced delays in the past year, with the average delay time being 145 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 Saturday 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 last year, British Airways have had the lowest number of delays on this route, with just 24% of flights being delayed.

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 Marzec 26, 2026.
Read reviews from past customers who have flown United Airlines and Air Canada from London to San José. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,484 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,484 reviews
United Airlines
7.4
Good
9,484 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Air Canada
7.1
Good
10,842 reviews
United Airlines
7.4
Good
9,484 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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?

    Located just 8.8 mi from the city center, San José Juan Santamaria Intl is the airport most travelers will use when flying to San José from London. Booking flights from London to Juan Santamaria Intl (SJO) should be relatively easy as there are 0 daily inbound flights from London from 2 different airlines.

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

    There are many flights that can get you from London to San José in 22h 09m. Fly via United Airlines to get the fastest option. London and San José are separated by a distance of 5407 mi.

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

    Currently priced at $728, United Airlines will fly you from London to San José and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air Canada for as low as $792. You may be able to fly from London to San José for 20% less than the average price by searching for these airlines.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from London to San José (average of $637). Flying from London to San José in July is currently the most expensive (average of $798). 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

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to San José

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to San José flights
Gatwick to San José flights

Top 2 airlines flying from London to San José

Discover the top 2 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 2,558,603 searches. Data last updated Marzec 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$728Average$975FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$792Average$830FlexibilityNo cancel feeOn-time67%

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