Cheap flights from London Heathrow Airport to Slovenia from £89
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Slovenia departing on 17/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Air Serbia flights from London Heathrow Airport to Slovenia
Our best Air Serbia deals on London Heathrow Airport to Slovenia flight tickets
Lufthansa flights from London Heathrow Airport to Slovenia
Our best Lufthansa deals on London Heathrow Airport to Slovenia flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to Slovenia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Slovenia?
If you don’t want to visit Slovenia in January, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £160.
What is the cheapest day to depart on your flight to Slovenia?
According to our data, Tuesday is the cheapest day to fly to Slovenia from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was £246. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Saturday is £314.
What is the cheapest time of day to depart on your flight to Slovenia?
Our data shows that the cheapest London Heathrow Airport to Slovenia flights are usually those with departure times in the evening. Our users have found flights to Slovenia in the evening for as low as £150. Try not to purchase tickets in the morning because they tend to be around £295. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest London Heathrow to Slovenia flight route?
Fly from London Heathrow to Ljubljana Joze Pucnik for the best London Heathrow - Slovenia flight prices
How far in advance should I book a flight to Slovenia?
You are more likely to see cheaper flights to Slovenia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Slovenia for around £214 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Slovenia from London Heathrow Airport for as low as £171 on momondo.
What cabin class options are available on London Heathrow to Slovenia flights?
There are 2 cabin classes available to choose from on London Heathrow to Slovenia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Slovenia?
Air Serbia, British Airways, and Lufthansa are the most popular carriers operating from London Heathrow to Slovenia
Which airlines fly to Slovenia?
British Airways, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Slovenia from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Slovenia. Keep in mind that there are 6 different airlines that fly to Slovenia on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Slovenia on average per week?
2 flights are operational weekly from London Heathrow Airport to Slovenia as of July 2025. The most popular departure day for this route is Wed, with 50% of flights per week taking off on this day.
Cheap London Heathrow Airport to Slovenia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Slovenia
When did momondo last update prices for flights from London Heathrow Airport to Slovenia?
Prices for flights from London Heathrow Airport to Slovenia were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Slovenia?
As of July 2025, there are 6 operators available to choose from for flights from London Heathrow Airport to Slovenia.
How old do you have to be to fly from London Heathrow Airport to Slovenia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Slovenia.
What documentation or ID do you need to fly to Slovenia?
The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Slovenia?
Based on momondo bookings for flights between London Heathrow Airport and Slovenia, the leading plane model is Airbus A320-100/200, making up 51.68% of the total bookings. Other popular models include Airbus A319 with 47.06%, Airbus A321-100/200 with 0.84%, and Airbus A320 (sharklets) with 0.42%.
Best airlines flying from London Heathrow Airport to Slovenia
Compare and see reviews for airlines that fly from London Heathrow Airport to Slovenia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £64 | Free Cancellation | Rating 6.9 1,816 reviews | |||
| PriceFrom £132 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom £134 | Free Cancellation | Rating 7.5 1,654 reviews | |||
| PriceFrom £139 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom £143 | Free Cancellation | Rating 7.3 352 reviews | |||
| PriceFrom £144 | Free Cancellation | Rating 7.6 1,092 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Slovenia?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Slovenia from London.
Can I find flights from London to Slovenia with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Slovenia from London with this policy.
How can momondo help me find flights from London to Slovenia?
Once you have performed a search for London to Slovenia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Slovenia right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Slovenia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Slovenia and let you know when they change.