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$428+ Cheap flights from San José (SJO) to Heathrow (LHR)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — LHR
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from San José to Heathrow

Cheapest flights from San José to Heathrow
Explore the most affordable flight options available from San José to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This KLM deal was found by Cheapflights users on 2/15. 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 2/188:30 pm
SJO
-
LHR
1 stop14h 30m
Multiple Airlines
Thu 3/56:20 am
LHR
-
SJO
1 stop14h 40m
Multiple Airlines
Deal found 2/15$683
This KLM deal was found by Cheapflights users on 2/16. 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 2/168:30 pm
SJO
-
LHR
1 stop14h 30m
KLM
Tue 2/2410:00 am
LHR
-
SJO
1 stop14h 25m
KLM
Deal found 2/16$684
This KLM deal was found by Cheapflights users on 2/14. 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.
Tue 2/178:30 pm
SJO
-
LHR
1 stop18h 20m
Multiple Airlines
Sun 3/17:20 pm
LHR
-
SJO
1 stop25h 40m
Multiple Airlines
Deal found 2/14$687
This KLM deal was found by Cheapflights users on 2/16. 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.
Tue 2/242:25 pm
SJO
-
LHR
1 stop15h 15m
Multiple Airlines
Wed 3/48:55 am
LHR
-
SJO
1 stop14h 55m
Multiple Airlines
Deal found 2/16$688
This KLM deal was found by Cheapflights users on 2/16. 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 3/22:35 pm
SJO
-
LHR
1 stop15h 05m
KLM
Wed 3/116:30 am
LHR
-
SJO
1 stop17h 55m
KLM
Deal found 2/16$689
This KLM deal was found by Cheapflights users on 2/15. 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.
Thu 2/197:00 am
SJO
-
LHR
1 stop17h 25m
Multiple Airlines
Thu 3/56:20 am
LHR
-
SJO
1 stop14h 40m
Multiple Airlines
Deal found 2/15$697
This KLM deal was found by Cheapflights users on 2/15. 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 2/287:00 am
SJO
-
LHR
1 stop17h 25m
Multiple Airlines
Sun 3/87:20 pm
LHR
-
SJO
1 stop25h 40m
Multiple Airlines
Deal found 2/15$701
This KLM deal was found by Cheapflights users on 2/15. 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 2/207:00 am
SJO
-
LHR
1 stop17h 25m
Multiple Airlines
Thu 3/56:20 am
LHR
-
SJO
1 stop14h 40m
Multiple Airlines
Deal found 2/15$706
This KLM deal was found by Cheapflights users on 2/15. 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.
Thu 6/186:25 pm
SJO
-
LHR
1 stop14h 50m
Multiple Airlines
Mon 6/226:15 am
LHR
-
SJO
1 stop17h 45m
Multiple Airlines
Deal found 2/15$713
This Air France deal was found by Cheapflights users on 2/15. 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.
Mon 6/157:05 pm
SJO
-
LHR
1 stop14h 30m
Air France
Mon 6/228:55 am
LHR
-
SJO
1 stop15h 05m
Air France
Deal found 2/15$714
This KLM deal was found by Cheapflights users on 2/15. 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.
Tue 7/76:25 pm
SJO
-
LHR
1 stop18h 00m
Multiple Airlines
Sun 9/68:55 am
LHR
-
SJO
1 stop15h 05m
Multiple Airlines
Deal found 2/15$715

Find flight deals from San José to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Heathrow (LHR). 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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688
(KLM)

One-way from

$428
(FlightHub)

Popular in

July

Cheapest in

October

Average price

$852
Provider with most accurate pricing for San José Juan Santamaria Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-London Heathrow flights.
Search Deals
From San José Juan Santamaria Intl to London Heathrow
Search Deals
One-way flight from San José Juan Santamaria Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to Heathrow 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 February 18, 2026.
Use the filters below to find and compare flights from San José to London Heathrow Airport that are best for you.

Fly from

San José

Fly to

Heathrow

Route

Depart

Return

Price

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/3

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Mon 3/9

6:20 am-3:00 pm

1 stop14h 40m

$688

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 3/2

2:35 pm-11:40 am

1 stop15h 05m

London Heathrow

Wed 3/11

6:30 am-6:25 pm

1 stop17h 55m

$689

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sun 5/3

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Mon 5/18

6:15 am-5:10 pm

1 stop17h 55m

$716

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 4/28

1:21 pm-1:15 pm

1 stop16h 54m

London Heathrow

Tue 5/12

7:45 pm-5:10 pm

1 stop28h 25m

$729

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/17

1:20 pm-11:40 am

1 stop16h 20m

London Heathrow

Tue 3/24

8:55 am-9:15 pm

1 stop18h 20m

$747

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 4/6

7:00 am-6:25 am

1 stop16h 25m

London Heathrow

Fri 4/24

3:15 pm-1:06 pm

1 stop28h 51m

$763

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 5/13

1:25 pm-6:25 am

1 stop34h 00m

London Heathrow

Wed 5/20

8:55 am-5:10 pm

1 stop15h 15m

$763

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Wed 4/22

1:21 pm-7:15 am

1 stop34h 54m

London Heathrow

Fri 5/8

8:55 am-5:10 pm

1 stop15h 15m

$763

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Mon 3/23

1:20 pm-11:40 am

1 stop16h 20m

London Heathrow

Thu 4/9

9:20 am-9:15 pm

1 stop18h 55m

$768

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Sat 3/28

2:40 pm-12:15 pm

1 stop15h 35m

London Heathrow

Wed 4/8

9:20 am-9:15 pm

1 stop18h 55m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 21 results
1
2
3
  • Most accurate provider: When it comes to deals on San José-London Heathrow Airport 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 Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-London Heathrow Airport 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 Heathrow Airport 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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

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

To ensure you get the cheapest price possible for a flight from San José to London Heathrow Airport, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from San José to London Heathrow Airport (average of $609). Flying from San José to London Heathrow Airport in August is currently the most expensive (average of $777). 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated February 18, 2026.
Get a feel of what it's like to fly with KLM, Air France, and Air Canada from San José to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,457 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,457 reviews
KLM
7.7
Good
1,457 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,533 reviews
KLM
7.7
Good
1,457 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air Canada
7.1
Good
10,732 reviews
KLM
7.7
Good
1,457 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Iberia
7.0
Good
3,117 reviews
KLM
7.7
Good
1,457 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from San José to Heathrow. 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 Heathrow?

    Located just 8.8 mi from the city center, San José Juan Santamaria Intl is the airport most travelers will use when flying to London Heathrow from San José. Booking flights from Juan Santamaria Intl (SJO) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 4 different airlines.

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

    Departing from San José to London Heathrow Airport will take you 16h 20m. The distance from San José to London Heathrow Airport is about 5407 mi.

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

    Cheapflights users have booked flights from San José to London Heathrow Airport round-trip from $626. Other airlines that can offer you cheap pricing are Air France, from $702, and Iberia, from $727. Air Canada is 29% 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 Heathrow that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from San José to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from San José to London Heathrow Airport (average of $609). Flying from San José to London Heathrow Airport in August is currently the most expensive (average of $777). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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Alternative routes for San José to Heathrow

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

Top 4 airlines flying from San José to Heathrow

Discover the top 4 airlines that operate flights from San José to Heathrow. 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$626Average$935FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$702Average$1,141FlexibilityNo cancel feeOn-time77%
IberiaCheapest$727Average$1,025FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$861FlexibilityNo cancel feeOn-time75%

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