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Cheap flights from Slovenia to London Heathrow Airport from £61

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — LHR
24 Feb — 3 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Slovenia to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Slovenia to Heathrow
Explore the most affordable flight options available from Slovenia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 January 2026.

Wed 11/313:40
LJU
-
LHR
1 stop8h 40m
Brussels Airlines
Wed 18/306:50
LHR
-
LJU
1 stop5h 05m
Brussels Airlines
Deal found 24/1£150
Mon 9/315:10
LJU
-
LHR
1 stop5h 05m
SWISS
Mon 16/306:00
LHR
-
LJU
1 stop15h 25m
SWISS
Deal found 23/1£152
Sat 7/314:50
LJU
-
LHR
1 stop4h 00m
SWISS
Sun 8/306:00
LHR
-
LJU
1 stop6h 40m
SWISS
Deal found 23/1£156
Thu 30/409:35
LJU
-
LHR
1 stop27h 55m
Air Serbia
Sun 3/513:30
LHR
-
LJU
1 stop24h 15m
Air Serbia
Deal found 24/1£157
Wed 1/418:30
LJU
-
LHR
1 stop4h 05m
Multiple Airlines
Sat 4/406:00
LHR
-
LJU
1 stop6h 50m
Multiple Airlines
Deal found 25/1£158
Wed 2/914:50
LJU
-
LHR
1 stop18h 05m
SWISS
Sat 5/908:45
LHR
-
LJU
1 stop13h 20m
SWISS
Deal found 23/1£158
Wed 13/506:25
LJU
-
LHR
1 stop7h 35m
Multiple Airlines
Sun 17/506:50
LHR
-
LJU
1 stop8h 05m
Multiple Airlines
Deal found 24/1£161
Thu 11/618:35
LJU
-
LHR
1 stop4h 00m
Multiple Airlines
Sat 13/606:00
LHR
-
LJU
1 stop16h 05m
Multiple Airlines
Deal found 23/1£162
Thu 11/618:35
LJU
-
LHR
1 stop4h 00m
Multiple Airlines
Sun 14/606:00
LHR
-
LJU
1 stop16h 05m
Multiple Airlines
Deal found 24/1£163
Wed 15/414:50
LJU
-
LHR
1 stop5h 30m
SWISS
Fri 24/406:00
LHR
-
LJU
1 stop16h 05m
SWISS
Deal found 23/1£163

Find flight deals from Slovenia to Heathrow

Keep the following information in mind while searching for Slovenia to Heathrow flight deals. Data was last updated 25 January 2026.

Round-trip from

£152

One-way from

£61

Popular in

July

Cheapest in

March

Average price

£165
SWISS
  • SWISS
  • 7/3-9/3
  • 2 total stops
  • 17h 50m total
  • Slovenia to London
Search Deals
Air Serbia
  • Air Serbia
  • 24/5
  • 1 total stop
  • 16h 50m total
  • Slovenia to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Slovenia 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 858,174 searches. Data last updated 25 January 2026.
Use the filters below to find and compare flights from Slovenia to London Heathrow Airport that are best for you.

Fly from

Slovenia

Fly to

Heathrow

Route

Depart

Return

Price

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Wed 11/3

13:40-21:20

1 stop8h 40m

London Heathrow

Wed 18/3

06:50-12:55

1 stop5h 05m

£150

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Mon 9/3

15:10-19:15

1 stop5h 05m

London Heathrow

Mon 16/3

06:00-22:25

1 stop15h 25m

£152

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Sat 14/3

06:30-13:00

1 stop7h 30m

London Heathrow

Sun 22/3

06:50-12:55

1 stop5h 05m

£153

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Mon 4/5

09:35-12:30

1 stop27h 55m

London Heathrow

Sat 9/5

13:30-14:25

1 stop23h 55m

£156

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Sat 7/3

14:50-17:50

1 stop4h 00m

London Heathrow

Sun 8/3

06:00-13:40

1 stop6h 40m

£156

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Thu 30/4

09:35-12:30

1 stop27h 55m

London Heathrow

Sun 3/5

19:25-14:45

1 stop18h 20m

£156

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 12/6

20:40-12:30

1 stop16h 50m

London Heathrow

Sat 13/6

19:55-09:00

1 stop12h 05m

£157

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Sat 13/6

09:35-12:30

1 stop27h 55m

London Heathrow

Sun 14/6

19:25-14:45

1 stop18h 20m

£157

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Wed 1/4

18:30-21:35

1 stop4h 05m

London Heathrow

Sat 4/4

06:00-13:50

1 stop6h 50m

£158

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 27/3

06:30-11:15

1 stop5h 45m

London Heathrow

Sun 29/3

11:05-15:55

1 stop3h 50m

£165

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 22 results
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Best time to book a flight from Slovenia to Heathrow

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

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

Currently, March is the cheapest month in which you can book a flight from Slovenia to London Heathrow Airport (average of £98). Flying from Slovenia to London Heathrow Airport in December is currently the most expensive (average of £220). 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 often are flights from Slovenia to London delayed?

About 22% of weekly flights between Slovenia and London have experienced delays in the past year, with the average delay time being 112 minutes.

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

Historically, flights departing in the morning 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 Monday has historically faced a higher average of delays compared to other days of the week.

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

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

Related info for your journey

Find useful and relevant information for your journey from Slovenia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Brussels Airlines, SWISS, and Air Serbia fly from Slovenia to London Heathrow Airport in about 5h 05m. The time it takes to get you to your destination can typically vary by up to 22h 50m. Airlines will cover a distance of 766 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Slovenia to Heathrow that include hotel bookings?

    Yes. In addition to deals on Slovenia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Slovenia to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Slovenia 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 Slovenia to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Slovenia to London Heathrow Airport (average of £98). Flying from Slovenia to London Heathrow Airport in December is currently the most expensive (average of £220). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Northampton
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Swindon
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford

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.

Alternative routes for Slovenia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Bruxelles-National to Stansted flights
Vienna to Gatwick flights
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Vienna to London City flights
Vienna to Heathrow flights
Lyon to Gatwick flights
Beauvais-Tille to Stansted flights
Madrid to London City flights
Frankfurt to Gatwick flights
Frederic Chopin to Stansted flights
Madrid to Stansted flights
Amsterdam to Gatwick flights
Vienna to Stansted flights
Orly to Heathrow flights
Beauvais-Tille to Gatwick flights
Duesseldorf Intl to London City flights
Frankfurt to Luton flights
Amsterdam to Luton flights
Malpensa to Stansted flights
Lyon to Stansted flights
Duesseldorf Intl to Gatwick flights
Malpensa to Luton flights
Lyon to Heathrow flights
Beauvais-Tille to Luton flights
Oslo Gardermoen to Luton flights
Cologne to Heathrow flights
Lyon to Luton flights
Vienna to Luton flights
Amsterdam to London City flights
Madrid to Southend flights
Amsterdam to Stansted flights
Orly to Gatwick flights
Geneva to Heathrow flights
Leonardo da Vinci/Fiumicino to Luton flights
Lyon to London City flights
Marseille to Gatwick flights
Oslo Gardermoen to Heathrow flights
Amsterdam to Southend 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 Slovenia to Heathrow?

Cheapflights makes it easy to find Slovenia to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Slovenia to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Slovenia to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Slovenia to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Slovenia to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Slovenia to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Slovenia to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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