How long is the flight from London Heathrow Airport to Southeast Europe?

A quick flight from London Heathrow Airport to Southeast Europe can take about 3h 15m. British Airways provides one of the quickest options available for as low as £136. Airlines will cover a distance of 1307 mi. Both multi-stop and direct flights can be found to your destination and back.

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

The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £16. However, be on the lookout for offers from Wizz Air and Aegean Airlines, as they are both options that can get you from London Heathrow Airport to Southeast Europe for a low price.

What are the most popular routes from London Heathrow Airport to Southeast Europe?

The most popular route from London Heathrow Airport to Southeast Europe is London Heathrow - Athens Eleftherios V.. You may also consider London Heathrow - Tirana Rinas or London Heathrow - Bucharest Otopeni Intl.

What are the cheapest flights from London Heathrow Airport to Southeast Europe?

On average you can expect to pay £519 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £78 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £132.

What are the most reliable airlines from London Heathrow Airport to Southeast Europe?

The top 3 most reliable airlines when flying from London Heathrow Airport to Southeast Europe are Japan Airlines (87%), British Airways (81%) and American Airlines (81%).

What are the most popular airlines that fly from London Heathrow Airport to Southeast Europe?

The most popular airlines flying from London Heathrow Airport to Southeast Europe are British Airways, Aegean Airlines and Lufthansa. Something to consider prior to booking your flight.

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

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

How can I find direct flights from Heathrow to Southeast Europe?

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

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

Yes. Cheapflights offers flight deals from Heathrow to Southeast Europe by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£58+ Cheap Flights from London Heathrow Airport to Southeast Europe

Cheap flight deals from Heathrow to Southeast Europe

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Heathrow to Southeast Europe
Explore the most affordable flight options available from Heathrow to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Sat 5/1218:50 -

Nonstop3h 15m

Sat 30/107:35 -

Nonstop3h 45m

Deal found 7/9£93

Fri 4/1216:50 -

Nonstop2h 15m

Wed 9/1214:40 -

Nonstop2h 25m

Deal found 10/9£95

Sat 5/1216:50 -

1 stop3h 55m

Wed 9/1214:40 -

Nonstop2h 25m

Deal found 10/9£95

Fri 16/1020:05 -

Nonstop3h 15m

Wed 4/1116:00 -

Nonstop3h 30m

Deal found 7/9£100

Mon 2/1118:50 -

Nonstop3h 15m

Mon 9/1108:25 -

Nonstop3h 45m

Deal found 10/9£102

Fri 4/1216:50 -

Nonstop2h 15m

Fri 11/1214:40 -

Nonstop2h 25m

Deal found 10/9£102

Sat 5/1216:50 -

1 stop3h 55m

Fri 11/1214:40 -

Nonstop2h 25m

Deal found 10/9£103

Sat 28/1116:50 -

1 stop3h 55m

Fri 4/1214:40 -

Nonstop2h 25m

Deal found 10/9£105

Wed 25/1116:50 -

Nonstop2h 15m

Fri 4/1214:40 -

Nonstop2h 25m

Deal found 10/9£112

Mon 9/1118:50 -

Nonstop3h 15m

Tue 10/1116:25 -

Nonstop3h 30m

Deal found 10/9£114

Mon 9/1118:50 -

Nonstop3h 15m

Wed 11/1116:00 -

Nonstop3h 30m

Deal found 10/9£115

Tue 3/1118:50 -

Nonstop3h 15m

Mon 9/1108:25 -

Nonstop3h 45m

Deal found 10/9£117

Best flights from Heathrow to Southeast Europe
Discover carefully curated flight deals from Heathrow to Southeast Europe that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Mon 15/218:50 -

Nonstop3h 15m

Wed 17/208:25 -

Nonstop3h 45m

Deal found 10/9£136

Wed 28/1008:45 -

1 stop6h 10m

Thu 5/1116:40 -

1 stop5h 20m

Deal found 9/9£153

Sat 3/1008:55 -

1 stop10h 15m

Tue 6/1015:10 -

1 stop5h 30m

Deal found 10/9£160

Wed 25/1120:50 -

1 stop12h 20m

Sun 29/1111:55 -

1 stop10h 10m

Deal found 8/9£162

Sun 6/1213:20 -

1 stop7h 15m

Wed 9/1218:50 -

1 stop18h 30m

Deal found 6/9£167

Sun 11/1006:00 -

1 stop3h 40m

Sat 17/1011:20 -

1 stop11h 20m

Deal found 7/9£174

Sun 27/906:00 -

1 stop13h 10m

Mon 5/1021:05 -

1 stop11h 50m

Deal found 8/9£177

Mon 28/920:05 -

Nonstop2h 15m

Mon 5/1017:50 -

Nonstop2h 25m

Deal found 5/9£183

Fri 2/1019:00 -

1 stop10h 35m

Tue 6/1008:15 -

1 stop11h 40m

Deal found 8/9£242

Mon 15/206:50 -

1 stop6h 20m

Thu 18/212:45 -

2 stops10h 35m

Deal found 6/9£248

Sat 13/218:50 -

Nonstop3h 15m

Tue 16/208:20 -

Nonstop3h 45m

Deal found 8/9£140

Thu 19/1108:45 -

1 stop6h 10m

Sun 22/1116:40 -

1 stop3h 55m

Deal found 10/9£154

Wed 30/906:00 -

1 stop8h 15m

Tue 6/1015:10 -

1 stop8h 30m

Deal found 7/9£160

Fri 4/1213:20 -

1 stop20h 40m

Thu 10/1211:30 -

1 stop25h 50m

Deal found 8/9£167

Mon 1/311:10 -

Nonstop3h 10m

Fri 5/320:30 -

Nonstop3h 25m

Deal found 7/9£155

Sun 15/1109:55 -

1 stop9h 05m

Fri 20/1121:45 -

1 stop13h 25m

Deal found 8/9£171

Tue 6/1020:05 -

1 stop21h 50m

Tue 13/1012:40 -

2 stops21h 15m

Deal found 6/9£180

Thu 15/1009:00 -

1 stop6h 15m

Mon 19/1021:05 -

1 stop11h 50m

Deal found 10/9£165

Mon 23/1106:35 -

1 stop5h 00m

Fri 27/1116:40 -

1 stop5h 20m

Deal found 6/9£166

Tue 17/1113:20 -

1 stop28h 00m

Tue 24/1111:30 -

1 stop25h 50m

Deal found 10/9£168

Sun 20/906:00 -

1 stop10h 10m

Mon 28/918:55 -

1 stop15h 25m

Deal found 9/9£186

Wed 4/1119:40 -

Nonstop3h 45m

Sat 14/1120:15 -

Nonstop3h 50m

Deal found 5/9£163

Wed 2/1216:50 -

Nonstop2h 15m

Fri 4/1221:15 -

1 stop19h 50m

Deal found 9/9£199

Thu 8/1010:50 -

1 stop4h 25m

Sat 10/1018:00 -

1 stop15h 20m

Deal found 9/9£166

Sun 24/108:45 -

1 stop12h 10m

Thu 28/106:00 -

1 stop6h 25m

Deal found 9/9£167

Thu 15/1020:05 -

1 stop20h 05m

Mon 19/1020:45 -

2 stops23h 45m

Deal found 10/9£185

Fri 8/113:20 -

1 stop24h 15m

Sun 10/115:50 -

1 stop22h 30m

Deal found 7/9£174

Tue 27/1018:50 -

Nonstop3h 15m

Thu 29/1016:35 -

Nonstop3h 30m

Deal found 5/9£166

Sat 28/1116:50 -

1 stop19h 00m

Sun 29/1114:50 -

2 stops7h 00m

Deal found 7/9£202

Thu 24/906:00 -

1 stop10h 10m

Wed 7/1016:05 -

1 stop7h 35m

Deal found 7/9£202

Find flight deals from Heathrow to Southeast Europe

Round-trip from	£93
One-way from	£58
Popular in	August
Cheapest in	January
Average price	£126

British Airways
5/12-30/1
Nonstop
7h 00m total
London to Southeast Europe

Search Deals

6/11-31/12
1 total stop
14h 05m total
London to Southeast Europe

Search Deals

Highest demand for flights based on searches. 36% potential increase in price (£52 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Southeast Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBucharest

LHR London Heathrow - OTP Bucharest Otopeni Intl

LHROTP

London Heathrow

Sat 3/10

18:35-23:50

Nonstop3h 15m

Bucharest Otopeni Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

£72

Fastest return journey

LondonZagreb

LHR London Heathrow - ZAG Zagreb Franjo Tuđman

LHRZAG

London Heathrow

Thu 8/10

14:05-17:25

Nonstop2h 20m

Zagreb Franjo Tuđman

Wed 31/12

00:00-00:00

Nonstop0h 00m

£74

LondonZagreb

LHR London Heathrow - ZAG Zagreb Franjo Tuđman

LHRZAG

London Heathrow

Fri 9/10

09:25-12:45

Nonstop2h 20m

Zagreb Franjo Tuđman

Wed 31/12

00:00-00:00

Nonstop0h 00m

£74

LondonZagreb

LHR London Heathrow - ZAG Zagreb Franjo Tuđman

LHRZAG

London Heathrow

Sat 10/10

16:30-19:55

Nonstop2h 25m

Zagreb Franjo Tuđman

Wed 31/12

00:00-00:00

Nonstop0h 00m

£74

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 7/10

15:10-20:30

Nonstop3h 20m

Sofia

Wed 31/12

00:00-23:00

Nonstop0h 00m

£75

LondonTirana

LHR London Heathrow - TIA Tirana Rinas

LHRTIA

London Heathrow

Tue 15/9

15:00-12:15

1 stop20h 15m

Tirana Rinas

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

LondonTirana

LHR London Heathrow - TIA Tirana Rinas

LHRTIA

London Heathrow

Fri 16/10

20:50-15:40

2 stops17h 50m

Tirana Rinas

Wed 31/12

00:00-00:00

Nonstop0h 00m

£78

LondonSplit

LHR London Heathrow - SPU Split

LHRSPU

London Heathrow

Sat 26/9

20:50-08:15

1 stop10h 25m

Split

Wed 31/12

00:00-00:00

Nonstop0h 00m

£78

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 7/10

20:50-09:45

1 stop10h 55m

Sofia

Wed 31/12

00:00-23:00

Nonstop0h 00m

£84

LondonAthens

LHR London Heathrow - ATH Athens Eleftherios V.

LHRATH

London Heathrow

Thu 28/1

15:15-11:45

1 stop18h 30m

Athens Eleftherios V.

Wed 31/12

00:00-23:00

Nonstop0h 00m

£84

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Heathrow to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from Heathrow with our price prediction graph.

LHR-TIA

LHR-ATH

LHR-SOF

LHR-OTP

LHR-ZAG

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 London Heathrow Airport to Southeast Europe

LHR-zzYMH

LHR-TIA

LHR-ATH

LHR-SOF

LHR-OTP

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Europe (average of £145). Flying from London Heathrow Airport to Southeast Europe in July is currently the most expensive (average of £307). 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 LHR to YMH?

When flying from London Heathrow Airport to Southeast Europe, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the morning.

Weekly flight availability from London Heathrow Airport to Southeast Europe

The most flights from LHR to zzYMH are scheduled on a Tuesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

How far ahead should I book a flight from London Heathrow Airport to Southeast Europe?

The best time to book flights from London Heathrow Airport to Southeast Europe is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from London Heathrow Airport to Southeast Europe?

Travellers seeking maximum savings on their London Heathrow Airport to Southeast Europe flight should consider departing on Thursday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Europe

Read reviews from past customers who have flown with Aegean Airlines,Austrian Airlines, andLOT from London Heathrow Airport to Southeast Europe. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.2

Very Good

904 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

Aegean Airlines

8.2

Very Good

904 reviews

Aegean Airlines

8.2

Very Good

904 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

Austrian Airlines

7.6

Good

956 reviews

Aegean Airlines

8.2

Very Good

904 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

LOT

7.5

Good

1,200 reviews

Aegean Airlines

8.2

Very Good

904 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

Lufthansa

6.8

Okay

8,212 reviews

Aegean Airlines

8.2

Very Good

904 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

British Airways

6.7

Okay

8,210 reviews

Aegean Airlines

8.2

Very Good

904 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

Related info for your journey

How long is the flight from London Heathrow Airport to Southeast Europe?
A quick flight from London Heathrow Airport to Southeast Europe can take about 3h 15m. British Airways provides one of the quickest options available for as low as £136. Airlines will cover a distance of 1307 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London Heathrow Airport to Southeast Europe one-way?
The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £16. However, be on the lookout for offers from Wizz Air and Aegean Airlines, as they are both options that can get you from London Heathrow Airport to Southeast Europe for a low price.
What are the most popular routes from London Heathrow Airport to Southeast Europe?
The most popular route from London Heathrow Airport to Southeast Europe is London Heathrow - Athens Eleftherios V.. You may also consider London Heathrow - Tirana Rinas or London Heathrow - Bucharest Otopeni Intl.
What are the most reliable airlines from London Heathrow Airport to Southeast Europe?
The top 3 most reliable airlines when flying from London Heathrow Airport to Southeast Europe are Japan Airlines (87%), British Airways (81%) and American Airlines (81%).
What are the cheapest flights from London Heathrow Airport to Southeast Europe?
On average you can expect to pay £519 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £78 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £132.
Can I find deals for flights from Heathrow to Southeast Europe that include hotel bookings?
Yes. In addition to deals on Heathrow to Southeast Europe flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Southeast Europe?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Southeast Europe.
Can I find deals for business class flights from Heathrow to Southeast Europe?
Yes. Cheapflights offers flight deals from Heathrow to Southeast Europe 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 London Heathrow Airport to Southeast Europe?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Europe (average of £145). Flying from London Heathrow Airport to Southeast Europe in July is currently the most expensive (average of £307). 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

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Heathrow to Southeast Europe

Stansted to Istanbul flights

Gatwick to Istanbul flights

Heathrow to Istanbul flights

Gatwick to Charles de Gaulle flights

Heathrow to Charles de Gaulle flights

Luton to Charles de Gaulle flights

London City to Charles de Gaulle flights

Gatwick to Frankfurt flights

Gatwick to Orly flights

London City to Istanbul flights

Luton to Amsterdam flights

Heathrow to Málaga flights

Luton to Madrid flights

Stansted to Beauvais-Tille flights

Heathrow to Leonardo da Vinci/Fiumicino flights

Heathrow to Madrid flights

London City to Orly flights

Gatwick to Edinburgh flights

Stansted to Edinburgh flights

Heathrow to Amsterdam flights

Luton to Edinburgh flights

Gatwick to Leonardo da Vinci/Fiumicino flights

Gatwick to Lisbon flights

Luton to Lisbon flights

Luton to Beauvais-Tille flights

Stansted to Lisbon flights

Gatwick to Amsterdam flights

London City to Amsterdam flights

Stansted to Duesseldorf Intl flights

Gatwick to Oslo Gardermoen flights

Stansted to Amsterdam flights

Stansted to Madrid flights

Heathrow to Lisbon flights

Gatwick to Duesseldorf Intl flights

Gatwick to Vicenza flights

Luton to Frankfurt flights

Heathrow to Malpensa flights

Luton to Orly flights

Stansted to Orly flights

Gatwick to Malpensa flights

Southend to Charles de Gaulle flights

Heathrow to Edinburgh flights

Luton to Malpensa flights

Luton to Istanbul flights

Heathrow to Vicenza flights

London City to Málaga flights

Gatwick to Barcelona-El Prat flights

Luton to Belfast Intl flights

Gatwick to Belfast Intl flights

Gatwick to Madrid flights

Top 10 airlines flying from Heathrow to Southeast Europe

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£17	Average£117	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Wizz Air	Cheapest£32	Average£142	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
Ryanair	Cheapest£38	Average£92	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Wizz Air	Cheapest£39	Average£142	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
Wizz Air	Cheapest£43	Average£104	FlexibilityNo cancel fee	On-time83%	Search Wizz Air flights
Air Serbia	Cheapest£56	Average£187	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
Croatia Airlines	Cheapest£77	Average£217	FlexibilityNo cancel fee	On-time81%	Search Croatia Airlines flights
easyJet	Cheapest£77	Average£256	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£84	Average£276	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aegean Airlines	Cheapest£104	Average£247	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Southeast Europe?

When you search for this flight from Heathrow to Southeast Europe, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Europe from Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Southeast Europe, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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 London Heathrow Airport to Southeast Europe from £58

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Southeast Europe

Cheapest flights from Heathrow to Southeast EuropeExplore the most affordable flight options available from Heathrow to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Heathrow to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Heathrow to Southeast EuropeDiscover carefully curated flight deals from Heathrow to Southeast Europe that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Heathrow to Southeast Europe that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from Heathrow to Southeast EuropeExplore direct flight options from Heathrow to Southeast Europe based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Explore direct flight options from Heathrow to Southeast Europe based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from Heathrow to Southeast EuropeDiscover last-minute flight deals from Heathrow to Southeast Europe. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Southeast Europe. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Heathrow to Southeast EuropeSearch for one-way flight options from Heathrow to Southeast Europe. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Heathrow to Southeast Europe. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Heathrow to Southeast Europe

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Southeast Europe that are best for you.

Best time to book a flight from Heathrow to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from Heathrow with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Heathrow to Southeast Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 September 2026.

When flying from London Heathrow Airport to Southeast Europe, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the morning.

Weekly flight availability from London Heathrow Airport to Southeast Europe

The most flights from LHR to zzYMH are scheduled on a Tuesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

How far ahead should I book a flight from London Heathrow Airport to Southeast Europe?

The best time to book flights from London Heathrow Airport to Southeast Europe is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from London Heathrow Airport to Southeast Europe?

Use this chart to determine the cheapest time to fly return from Heathrow to Southeast Europe. Price data was last updated on 5 September 2026.

Travellers seeking maximum savings on their London Heathrow Airport to Southeast Europe flight should consider departing on Thursday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Europe

Read reviews from past customers who have flown with Aegean Airlines,Austrian Airlines, andLOT from London Heathrow Airport to Southeast Europe. 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

How long is the flight from London Heathrow Airport to Southeast Europe?

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

What are the most popular routes from London Heathrow Airport to Southeast Europe?

What are the most reliable airlines from London Heathrow Airport to Southeast Europe?

What are the cheapest flights from London Heathrow Airport to Southeast Europe?

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

How can I find direct flights from Heathrow to Southeast Europe?

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

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

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 Heathrow to Southeast Europe

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southeast Europe by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to Southeast Europe by cabin class

Find flights from Heathrow to Southeast Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Southeast Europe flights

Browse other Heathrow and Southeast Europe flight options. Last updated on 10 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Heathrow to Southeast Europe flights

Consider these flights travelling from Heathrow to Southeast Europe.

Top 10 airlines flying from Heathrow to Southeast Europe

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Southeast Europe?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Heathrow to Southeast Europe
Explore the most affordable flight options available from Heathrow to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Heathrow to Southeast Europe
Discover carefully curated flight deals from Heathrow to Southeast Europe that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from Heathrow to Southeast Europe
Explore direct flight options from Heathrow to Southeast Europe based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from Heathrow to Southeast Europe
Discover last-minute flight deals from Heathrow to Southeast Europe. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Heathrow to Southeast Europe
Search for one-way flight options from Heathrow to Southeast Europe. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.