What are the cheapest airlines to fly from Slovenia to London Heathrow Airport one-way?

£70 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on British Airways and SWISS, with prices starting from £89 and £114, respectively.

How far in advance should I book a flight from Slovenia to London Heathrow Airport?

Users have found that booking a flight from Slovenia to London Heathrow Airport at least 60 days early can save you up to 156% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from Slovenia to London Heathrow Airport for as little as £121 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £305 for flights departing within the next 3 days.

What is the cheapest month to fly from Slovenia to London Heathrow Airport?

Our data shows that March tends to be the cheapest month to fly to London Heathrow Airport from Slovenia. Users have commonly found prices around £170 for the month, but tickets can be as low as £60. Due to multiple factors, prepare for potentially higher prices in August.

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.

£226+ Flights from Slovenia to London Heathrow Airport

Cheap flight deals from Slovenia to Heathrow

Round-trip from	£147
One-way from	£70

Brussels Airlines
22/1-29/1
2 total stops
12h 55m total
Slovenia to London

Search Deals

Air Serbia
16/4
1 total stop
27h 40m total
Slovenia to London

Search Deals

Find flight deals from Slovenia to Heathrow

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 23 December 2024.

Mon 30/1216:30LJU - LHR

1 stop5h 50mMultiple Airlines

Fri 3/107:40LHR - LJU

1 stop3h 45mMultiple Airlines

Deal found 23/12£284

Sat 28/1213:05LJU - LHR

1 stop4h 30mAir France

Thu 2/119:35LHR - LJU

1 stop15h 05mAir France

Deal found 23/12£306

Thu 26/1210:25LJU - LHR

1 stop11h 20mLufthansa

Sun 29/1218:30LHR - LJU

1 stop14h 20mLufthansa

Deal found 23/12£321

Sat 28/1213:05LJU - LHR

2 stops8h 45mKLM

Thu 2/120:25LHR - LJU

2 stops14h 15mKLM

Deal found 23/12£339

Mon 30/1215:10LJU - LHR

2 stops26h 30mSWISS

Fri 3/107:00LHR - LJU

2 stops5h 35mSWISS

Deal found 23/12£486

Best flights from Slovenia to Heathrow
Discover carefully curated flight deals from Slovenia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 December 2024.

Wed 22/116:30LJU - LHR

1 stop5h 20mBrussels Airlines

Wed 29/107:10LHR - LJU

1 stop7h 35mBrussels Airlines

Deal found 23/12£147

Fri 7/206:35LJU - LHR

1 stop5h 40mSWISS

Sun 9/206:00LHR - LJU

1 stop15h 30mSWISS

Deal found 23/12£150

Fri 7/213:05LJU - LHR

1 stop7h 30mMultiple Airlines

Sun 9/206:50LHR - LJU

1 stop7h 55mMultiple Airlines

Deal found 23/12£152

Fri 7/212:25LJU - LHR

1 stop5h 10mAir France

Sun 9/219:35LHR - LJU

1 stop15h 05mAir France

Deal found 23/12£153

Mon 27/120:50LJU - LHR

1 stop16h 30mAir Serbia

Fri 31/113:20LHR - LJU

1 stop18h 35mAir Serbia

Deal found 23/12£154

Fri 6/612:35LJU - LHR

1 stop7h 50mKLM

Mon 9/620:55LHR - LJU

1 stop10h 25mKLM

Deal found 23/12£168

Mon 17/213:05LJU - LHR

1 stop10h 50mLufthansa

Sun 23/219:30LHR - LJU

1 stop13h 20mLufthansa

Deal found 23/12£171

Wed 15/113:45LJU - LHR

1 stop20h 50mLOT

Sun 19/110:25LHR - LJU

1 stop25h 40mLOT

Deal found 23/12£173

Sat 7/620:15LJU - LHR

Nonstop2h 20mBritish Airways

Sun 8/617:25LHR - LJU

Nonstop2h 15mBritish Airways

Deal found 23/12£201

Fri 7/209:20LJU - LHR

1 stop12h 45mTurkish Airlines

Sun 9/217:45LHR - LJU

1 stop13h 40mTurkish Airlines

Deal found 23/12£286

Last-minute flights from Slovenia to Heathrow
Discover last-minute flight deals from Slovenia to Heathrow. Data last updated 23 December 2024 and is based on user searches.

Thu 26/1210:25LJU - LHR

1 stop11h 20mLufthansa

Sun 29/1218:30LHR - LJU

1 stop14h 20mLufthansa

Deal found 23/12£321

Sat 28/1213:05LJU - LHR

1 stop4h 30mAir France

Thu 2/119:35LHR - LJU

1 stop15h 05mAir France

Deal found 23/12£306

Sat 28/1213:05LJU - LHR

2 stops8h 45mKLM

Thu 2/120:25LHR - LJU

2 stops14h 15mKLM

Deal found 23/12£339

Sun 29/1210:40LJU - LHR

2 stops11h 20mLufthansa

Thu 2/107:30LHR - LJU

2 stops11h 05mLufthansa

Deal found 23/12£392

Mon 30/1215:10LJU - LHR

2 stops26h 30mSWISS

Fri 3/107:00LHR - LJU

2 stops5h 35mSWISS

Deal found 23/12£486

Wed 1/116:30LJU - LHR

1 stop5h 50mBrussels Airlines

Sun 5/111:05LHR - LJU

1 stop3h 40mBrussels Airlines

Deal found 23/12£225

Wed 1/116:30LJU - LHR

1 stop5h 50mMultiple Airlines

Sun 5/108:45LHR - LJU

2 stops12h 15mMultiple Airlines

Deal found 23/12£271

Wed 8/109:20LJU - LHR

1 stop14h 05mTurkish Airlines

Sun 12/122:35LHR - LJU

1 stop19h 15mTurkish Airlines

Deal found 23/12£309

Wed 15/112:25LJU - LHR

1 stop5h 10mAir France

Sat 18/119:35LHR - LJU

1 stop15h 05mAir France

Deal found 23/12£160

Wed 15/113:45LJU - LHR

1 stop20h 50mLOT

Sun 19/110:25LHR - LJU

1 stop25h 40mLOT

Deal found 23/12£173

Wed 15/112:25LJU - LHR

1 stop5h 10mMultiple Airlines

Sat 18/117:50LHR - LJU

2 stops16h 50mMultiple Airlines

Deal found 23/12£178

Wed 15/112:25LJU - LHR

2 stops9h 25mKLM

Sat 18/117:50LHR - LJU

2 stops16h 50mKLM

Deal found 23/12£240

One-way flights from Slovenia to Heathrow
Search for one-way flight options from Slovenia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 23 December 2024.

Wed 16/409:50LJU - LHR

1 stop27h 40mAir Serbia

Deal found 23/12£70

Sat 24/520:15LJU - LHR

Nonstop2h 20mBritish Airways

Deal found 23/12£89

Mon 16/619:20LJU - LHR

1 stop23h 30mSWISS

Deal found 23/12£114

Thu 9/112:25LJU - LHR

1 stop10h 00mAir France

Deal found 22/12£119

Wed 5/212:25LJU - LHR

2 stops20h 15mKLM

Deal found 23/12£120

Wed 16/420:00LJU - LHR

2 stops22h 40mLufthansa

Deal found 23/12£146

Thu 9/120:50LJU - LHR

3 stops18h 35mMultiple Airlines

Deal found 22/12£147

Sun 5/116:30LJU - LHR

1 stop5h 20mBrussels Airlines

Deal found 23/12£182

Wed 29/108:15LJU - LHR

3 stops30h 05mQatar Airways

Deal found 23/12£1,013

Find flights from Slovenia to Heathrow within your budget

Fly from

Fly to

Route

Depart

Return

Price

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Wed 22/1

16:30-20:50

1 stop5h 20m

London Heathrow

Wed 29/1

07:10-15:45

1 stop7h 35m

£147

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 7/2

06:35-11:15

1 stop5h 40m

London Heathrow

Sun 9/2

06:00-22:30

1 stop15h 30m

£150

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 7/2

13:05-19:35

1 stop7h 30m

London Heathrow

Sun 9/2

06:50-15:45

1 stop7h 55m

£152

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 7/2

12:25-16:35

1 stop5h 10m

London Heathrow

Sun 9/2

19:35-11:40

1 stop15h 05m

£153

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Mon 27/1

20:50-12:20

1 stop16h 30m

London Heathrow

Fri 31/1

13:20-08:55

1 stop18h 35m

£154

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 6/6

12:35-19:25

1 stop7h 50m

London Heathrow

Mon 9/6

20:55-08:20

1 stop10h 25m

£168

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Mon 17/2

13:05-22:55

1 stop10h 50m

London Heathrow

Sun 23/2

19:30-09:50

1 stop13h 20m

£171

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Wed 15/1

13:45-09:35

1 stop20h 50m

London Heathrow

Sun 19/1

10:25-13:05

1 stop25h 40m

£173

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Sat 7/6

20:15-21:35

Nonstop2h 20m

London Heathrow

Sun 8/6

17:25-20:40

Nonstop2h 15m

£201

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 7/2

09:20-21:05

1 stop12h 45m

London Heathrow

Sun 9/2

17:45-08:25

1 stop13h 40m

£286

Flights are sorted by cheapest return flights first.

Deals found on 23/12

Showing 1-10 of 19 results

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.

Travel insights for flights from Slovenia to Heathrow

Get recent, data-driven insights about flights from Slovenia to Heathrow including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Slovenia to London Heathrow Airport (average of £112). Flying from Slovenia to London Heathrow Airport in July is currently the most expensive (average of £160). 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.

What is the cheapest time of day to fly from SI to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Slovenia to London Heathrow Airport as you normally would.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

See what other customers who have flown with SWISS, Air France and Brussels Airlines from Slovenia to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,345 reviews

Check prices

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM

7.8

Good

1,345 reviews

KLM

7.8

Good

1,345 reviews

Check prices

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

LOT

7.6

Good

1,125 reviews

KLM

7.8

Good

1,345 reviews

Check prices

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

SWISS

7.6

Good

1,605 reviews

KLM

7.8

Good

1,345 reviews

Check prices

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Qatar Airways

7.5

Good

3,790 reviews

KLM

7.8

Good

1,345 reviews

Check prices

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air France

7.4

Good

1,503 reviews

KLM

7.8

Good

1,345 reviews

Check prices

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

What are the cheapest airlines to fly from Slovenia to London Heathrow Airport one-way?
£70 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on British Airways and SWISS, with prices starting from £89 and £114, respectively.
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, January is the cheapest month in which you can book a flight from Slovenia to London Heathrow Airport (average of £112). Flying from Slovenia to London Heathrow Airport in July is currently the most expensive (average of £160). 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

Browse thousands of different options on Cheapflights for your next trip

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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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Slovenia to London Heathrow Airport from £70

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Slovenia to Heathrow

Round-trip from

One-way from

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 23 December 2024.

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 23 December 2024.

Find flights from Slovenia to Heathrow within your budget

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.

Travel insights for flights from Slovenia to Heathrow

Get recent, data-driven insights about flights from Slovenia to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest month to book a 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 23 December 2024.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

See what other customers who have flown with SWISS, Air France and Brussels Airlines from Slovenia to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from Slovenia to London Heathrow Airport one-way?

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

How can I find direct flights from Slovenia to Heathrow?

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

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

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.

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?

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

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

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

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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 23 December 2024.