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$389+ Cheap flights from San José (SJO) to London (LON)

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LON
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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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 Wednesday or Monday and return on a Monday

Cheap flight deals from San José to London

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 July 23, 2026.

This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:14 pm
SJO
-
LHR
1 stop17h 01m
Multiple Airlines
Sat 8/226:15 am
LHR
-
SJO
2 stops17h 05m
Multiple Airlines
Deal found 7/21$787
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:00 am
SJO
-
LHR
1 stop18h 50m
Multiple Airlines
Wed 12/26:20 am
LHR
-
SJO
2 stops17h 10m
Multiple Airlines
Deal found 7/20$788
This Expedia deal was found by Cheapflights users on 7/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:40 pm
SJO
-
LHR
Nonstop10h 10m
British Airways
Mon 1/116:15 am
LHR
-
SJO
1 stop15h 30m
British Airways
Deal found 7/18$792
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:23 pm
SJO
-
LHR
1 stop14h 57m
Multiple Airlines
Sun 11/86:20 am
LHR
-
SJO
1 stop15h 50m
Multiple Airlines
Deal found 7/21$793
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:16 pm
SJO
-
LHR
1 stop16h 59m
KLM
Tue 8/188:40 am
LHR
-
SJO
1 stop14h 40m
KLM
Deal found 7/19$794
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:23 pm
SJO
-
LHR
1 stop15h 17m
KLM
Thu 11/268:55 am
LHR
-
SJO
1 stop19h 20m
KLM
Deal found 7/21$795
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:23 pm
SJO
-
LHR
1 stop16h 52m
KLM
Tue 2/910:45 am
LHR
-
SJO
1 stop17h 20m
KLM
Deal found 7/20$796
This Air France deal was found by Cheapflights users on 7/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:05 pm
SJO
-
LGW
1 stop13h 55m
Air France
Sat 8/2910:25 am
LGW
-
SJO
1 stop13h 35m
Air France
Deal found 7/22$796
This KLM deal was found by Cheapflights users on 7/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:14 pm
SJO
-
LHR
1 stop17h 01m
KLM
Wed 8/266:30 am
LHR
-
SJO
2 stops17h 30m
KLM
Deal found 7/22$797
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:19 pm
SJO
-
LHR
1 stop15h 01m
KLM
Mon 9/216:30 am
LHR
-
SJO
2 stops17h 30m
KLM
Deal found 7/20$798
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:00 am
SJO
-
LHR
1 stop18h 50m
KLM
Mon 11/2312:30 pm
LHR
-
SJO
1 stop15h 45m
KLM
Deal found 7/21$800
This Air France deal was found by Cheapflights users on 7/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:05 pm
SJO
-
LGW
1 stop13h 55m
Air France
Wed 8/2610:25 am
LGW
-
SJO
1 stop13h 35m
Air France
Deal found 7/22$815

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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$787
(KLM)

One-way from

$389
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,133
Provider with most accurate pricing for San José Juan Santamaria Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-London (LON) flights.
Search Deals
From San José Juan Santamaria Intl to London (LON)
Search Deals
One-way flight from San José Juan Santamaria Intl to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 23, 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 round-trip

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 9/14

1:19 pm-11:20 am

1 stop15h 01m

London Heathrow

Mon 9/21

6:30 am-5:00 pm

2 stops17h 30m

$798

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 11/16

7:00 am-7:50 am

1 stop18h 50m

London Heathrow

Mon 11/23

12:30 pm-10:15 pm

1 stop15h 45m

$801

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 10/5

7:05 pm-7:25 pm

2 stops17h 20m

London Heathrow

Wed 10/28

6:30 am-5:30 pm

1 stop17h 00m

$833

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 9/23

1:19 pm-1:15 pm

1 stop16h 56m

London Heathrow

Mon 10/12

8:40 am-6:24 pm

2 stops16h 44m

$861

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 10/21

1:23 pm-11:20 am

1 stop14h 57m

London Heathrow

Wed 11/4

6:20 am-5:30 pm

2 stops17h 10m

$940

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 9/23

1:19 pm-1:15 pm

1 stop16h 56m

London Heathrow

Sun 10/4

8:40 am-6:59 pm

2 stops17h 19m

$959
Quickest round-trip

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 10/21

4:10 pm-1:30 pm

1 stop14h 20m

London Heathrow

Wed 11/4

11:10 am-4:40 pm

Nonstop11h 30m

$1,072

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 9/21

1:25 pm-11:35 am

1 stop15h 10m

London Heathrow

Fri 10/2

4:15 pm-7:15 am

1 stop22h 00m

$1,100

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 9/17

6:00 am-6:55 am

1 stop17h 55m

London Heathrow

Mon 10/5

9:55 am-8:05 pm

1 stop17h 10m

$1,100

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 9/21

8:45 am-11:10 am

1 stop19h 25m

London Heathrow

Fri 10/9

6:00 pm-11:38 am

1 stop24h 38m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 36 resultsSorted by cheapest first
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Compare providers for flights from San José to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to London in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San José-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-London 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 San José-London 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 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 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 San José to London

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

Currently, February is the cheapest month in which you can book a flight from San José to London (average of $764). Flying from San José to London in July is currently the most expensive (average of $1,167). 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 to fly round-trip from San José to London?

Airfare is below average for this route at the moment.
San José to London flights typically cost between $974 and $1,247 in August.
The cheapest round-trip price found within the last 5 days was $787 on Multiple Airlines (Aug 8-Aug 22).

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 last 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 July 23, 2026.
Read reviews from past customers who have flown KLM,Air France, andUnited Airlines from San José to London. 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.
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.8
Good
1,544 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,628 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
10,025 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Iberia
7.0
Good
3,257 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
8,129 reviews
KLM
7.8
Good
1,544 reviews

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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?

    Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to London. On average, Juan Santamaria Intl has 0 outbound flights to London per day from 6 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

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

    Departing from San José to London will take you 15h 01m. The distance from San José to London is about 5407 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, British Airways ($592), Iberia ($726), and KLM ($733) offers the cheapest pricing from San José to London. British Airways is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from San José to London (average of $764). Flying from San José to London in July is currently the most expensive (average of $1,167). 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 London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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Alternative routes for San José to London

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

Top 6 airlines flying from San José to London

Discover the top 6 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 2,558,603 searches. Data last updated July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$592Average$967FlexibilityNo cancel feeOn-time70%
IberiaCheapest$726Average$1,295FlexibilityNo cancel feeOn-time77%
KLMCheapest$733Average$930FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$775Average$1,153FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$1,020Average$1,098FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,077Average$1,113FlexibilityNo cancel feeOn-time69%

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