Cheap flights from Slovenia to London Heathrow Airport from £84
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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Slovenia to Heathrow
Keep the following information in mind while searching for Slovenia to Heathrow flight deals. Data was last updated 17 September 2025.
Round-trip from | £134 |
---|---|
One-way from | £84 |
Popular in | August |
Cheapest in | March |
Average price | £184 |
Good one-way deal | £173 or less |
Find flight deals from Slovenia to Heathrow
Cheapest flights from Slovenia to HeathrowExplore 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 17 September 2025.
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 17 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Slovenia to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Sat 25/10
14:55-13:20
1 stop23h 25m
London Heathrow
Sat 1/11
13:20-08:55
1 stop18h 35m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Sat 25/10
14:55-13:20
1 stop23h 25m
London Heathrow
Fri 31/10
13:20-08:55
1 stop18h 35m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Sat 25/10
14:55-13:20
1 stop23h 25m
London Heathrow
Wed 29/10
13:20-08:55
1 stop18h 35m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Mon 8/12
09:45-12:20
1 stop27h 35m
London Heathrow
Thu 11/12
13:20-08:25
1 stop18h 05m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Sat 8/11
06:30-16:20
1 stop10h 50m
London Heathrow
Sun 9/11
06:50-12:55
1 stop5h 05m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Tue 18/11
20:45-12:20
1 stop16h 35m
London Heathrow
Sat 22/11
13:20-08:55
1 stop18h 35m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Mon 6/10
14:55-12:30
1 stop22h 35m
London Heathrow
Sun 12/10
19:25-09:00
1 stop12h 35m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Mon 6/10
20:45-12:30
1 stop16h 45m
London Heathrow
Wed 8/10
13:30-09:00
1 stop18h 30m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Sat 18/10
14:55-12:30
1 stop22h 35m
London Heathrow
Sun 19/10
19:25-09:00
1 stop12h 35m
LjubljanaLondon
LJU - LHR
LJULHR
Ljubljana Joze Pucnik
Tue 20/1
20:45-12:20
1 stop16h 35m
London Heathrow
Sat 24/1
13:20-08:55
1 stop18h 35m
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.
Cheapflights Insights
Everything you need to know about your flight from Slovenia to London Heathrow Airport
What is the cheapest time of day to fly from SI to LHR?
Find hourly flight availability from Slovenia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.
It’s typically best to fly out from Slovenia to London Heathrow Airport at midday. Doing so could potentially save you 1% on the flight price compared to flying in the morning, which is usually more expensive.
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.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsBrowse 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.
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.