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

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £60. However, be on the lookout for offers from Aegean Airlines and Vueling, as they are both options that can get you from London Heathrow Airport to Southeast Europe for a low price.

In terms of precipitation, rainfall in Southeast Europe ranges from 5.0 - 64.0 inches per month. December is typically the wettest month, when rainfall can reach 64.0 mm. July is typically the driest time to visit Southeast Europe when rainfall is around 5.0 mm.

If weather is an important factor for your trip to Southeast Europe, 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 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

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 - Split.

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

On average you can expect to pay £543 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £73 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £113.

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 LATAM Airlines (79%), Air Canada (75%) and Aegean Airlines (74%).

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 Aegean Airlines, Air France and British Airways. Something to consider prior to booking your flight.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 28% on flights from London Heathrow Airport to Southeast Europe compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £156. For sooner than that we have options available in the next 3 days from £178.

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

January is one of the best times of the year to fly to Southeast Europe from London Heathrow Airport. Prices for January average £148 per person but you can even find prices for as low as £25. The most expensive prices can be found in the month of August. Opting for a January flight can save you 52% on your journey compared to booking in August

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.

£60+ Flights from London Heathrow Airport to Southeast Europe

Cheap flight deals from Heathrow to Southeast Europe

Round-trip from	£100
One-way from	£60
Popular in	August
Cheapest in	January
Average price	£205

British Airways
1/12-2/12
Nonstop
6h 45m total
London to Southeast Europe

Search Deals

British Airways
5/11
Nonstop
3h 00m total
London to Southeast Europe

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£39 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Heathrow to Southeast Europe

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 9 July 2025.

Mon 1/1214:20LHR - OTP

Nonstop3h 15mBritish Airways

Tue 2/1216:40OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 7/7£100

Wed 12/1119:00LHR - ATH

Nonstop3h 35mMultiple Airlines

Wed 19/1120:20ATH - LHR

Nonstop4h 00mMultiple Airlines

Deal found 8/7£112

Fri 21/1114:15LHR - OTP

Nonstop3h 15mMultiple Airlines

Sun 23/1110:50OTP - LHR

1 stop9h 05mMultiple Airlines

Deal found 8/7£124

Mon 6/1018:10LHR - SOF

1 stop28h 20mMultiple Airlines

Mon 20/1005:00SOF - LHR

1 stop9h 30mMultiple Airlines

Deal found 7/7£127

Wed 19/1108:20LHR - TIA

Nonstop3h 00mMultiple Airlines

Thu 4/1204:00TIA - LHR

1 stop9h 20mMultiple Airlines

Deal found 7/7£129

Thu 6/1108:25LHR - TIA

Nonstop3h 00mBritish Airways

Sat 8/1112:45TIA - LHR

Nonstop3h 30mBritish Airways

Deal found 6/7£132

Sat 4/1022:15LHR - CFU

1 stop7h 45mMultiple Airlines

Fri 10/1016:30CFU - LHR

Nonstop3h 25mMultiple Airlines

Deal found 8/7£137

Tue 2/1207:40LHR - ATH

Nonstop3h 40mBritish Airways

Tue 9/1219:55ATH - LHR

Nonstop4h 00mBritish Airways

Deal found 7/7£140

Sun 14/919:25LHR - SOF

1 stop5h 30mAir Serbia

Sat 20/905:00SOF - LHR

1 stop9h 30mAir Serbia

Deal found 7/7£141

Mon 6/1022:15LHR - ATH

Nonstop3h 35mAegean Airlines

Mon 20/1019:20ATH - LHR

Nonstop3h 50mAegean Airlines

Deal found 8/7£143

Tue 23/908:45LHR - CFU

1 stop8h 25mSWISS

Tue 30/920:00CFU - LHR

1 stop13h 55mSWISS

Deal found 8/7£143

Sat 30/818:40LHR - JTR

1 stop23h 30mMultiple Airlines

Sat 6/921:40JTR - LHR

1 stop13h 05mMultiple Airlines

Deal found 7/7£146

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 9 July 2025.

Mon 1/1214:20LHR - OTP

Nonstop3h 15mBritish Airways

Tue 2/1216:40OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 7/7£100

Wed 12/1119:00LHR - ATH

Nonstop3h 35mMultiple Airlines

Wed 19/1120:20ATH - LHR

Nonstop4h 00mMultiple Airlines

Deal found 8/7£112

Sun 14/919:25LHR - SOF

1 stop5h 30mAir Serbia

Sat 20/905:00SOF - LHR

1 stop9h 30mAir Serbia

Deal found 7/7£141

Mon 6/1022:15LHR - ATH

Nonstop3h 35mAegean Airlines

Mon 20/1019:20ATH - LHR

Nonstop3h 50mAegean Airlines

Deal found 8/7£143

Tue 23/908:45LHR - CFU

1 stop8h 25mSWISS

Tue 30/920:00CFU - LHR

1 stop13h 55mSWISS

Deal found 8/7£143

Wed 24/917:00LHR - SPU

1 stop21h 30mCroatia Airlines

Wed 1/1006:15SPU - LHR

1 stop10h 55mCroatia Airlines

Deal found 7/7£149

Wed 3/907:25LHR - SPU

1 stop7h 50mLufthansa

Thu 18/917:05SPU - LHR

1 stop4h 40mLufthansa

Deal found 8/7£151

Sat 30/806:00LHR - JTR

1 stop24h 55mAustrian Airlines

Sat 6/921:40JTR - LHR

1 stop13h 05mAustrian Airlines

Deal found 8/7£151

Thu 7/807:05LHR - SPU

1 stop10h 50mScandinavian Airlines

Thu 21/812:00SPU - LHR

1 stop10h 20mScandinavian Airlines

Deal found 8/7£160

Mon 1/909:55LHR - SPU

1 stop12h 00mKLM

Mon 8/906:30SPU - LHR

1 stop10h 45mKLM

Deal found 8/7£162

Sat 13/920:50LHR - ATH

1 stop11h 45mVueling

Thu 18/922:55ATH - LHR

1 stop12h 15mVueling

Deal found 8/7£169

Sat 30/811:05LHR - HER

1 stop6h 45mBrussels Airlines

Sat 6/911:20HER - LHR

1 stop11h 35mBrussels Airlines

Deal found 8/7£193

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 9 July 2025.

Mon 1/1214:20LHR - OTP

Nonstop3h 15mBritish Airways

Tue 2/1216:40OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 7/7£100

Wed 12/1119:00LHR - ATH

Nonstop3h 35mMultiple Airlines

Wed 19/1120:20ATH - LHR

Nonstop4h 00mMultiple Airlines

Deal found 8/7£112

Tue 18/1107:50LHR - TIA

Nonstop3h 00mBritish Airways

Thu 4/1213:15TIA - LHR

Nonstop3h 25mBritish Airways

Deal found 8/7£135

Tue 2/1207:40LHR - ATH

Nonstop3h 40mBritish Airways

Tue 9/1219:55ATH - LHR

Nonstop4h 00mBritish Airways

Deal found 7/7£140

Mon 6/1022:15LHR - ATH

Nonstop3h 35mAegean Airlines

Mon 20/1019:20ATH - LHR

Nonstop3h 50mAegean Airlines

Deal found 8/7£143

Tue 16/915:00LHR - CFU

Nonstop3h 25mBritish Airways

Tue 23/916:25CFU - LHR

Nonstop3h 25mBritish Airways

Deal found 6/7£168

Fri 3/1008:20LHR - SOF

Nonstop3h 10mMultiple Airlines

Sun 5/1006:25SOF - LHR

Nonstop3h 40mMultiple Airlines

Deal found 8/7£192

Tue 14/1007:55LHR - JTR

Nonstop3h 55mBritish Airways

Fri 17/1015:05JTR - LHR

Nonstop4h 10mBritish Airways

Deal found 8/7£195

Wed 17/915:25LHR - SOF

Nonstop3h 15mBritish Airways

Fri 26/914:20SOF - LHR

Nonstop3h 35mBritish Airways

Deal found 7/7£197

Sun 10/807:45LHR - SPU

Nonstop2h 35mBritish Airways

Tue 19/819:25SPU - LHR

Nonstop2h 40mBritish Airways

Deal found 8/7£201

Wed 3/917:55LHR - SOF

Nonstop3h 20mBulgaria Air

Sun 21/906:25SOF - LHR

Nonstop3h 40mBulgaria Air

Deal found 7/7£209

Sat 20/906:05LHR - SKG

Nonstop3h 20mBritish Airways

Wed 24/913:55SKG - LHR

Nonstop3h 35mBritish Airways

Deal found 8/7£215

Last-minute flights from Heathrow to Southeast Europe
Discover last-minute flight deals from Heathrow to Southeast Europe. Data last updated 9 July 2025 and is based on user searches.

Sun 13/722:15LHR - TIA

1 stop18h 55mAegean Airlines

Thu 24/710:05TIA - LHR

1 stop8h 50mAegean Airlines

Deal found 7/7£192

Sun 13/721:40LHR - CFU

1 stop22h 50mMultiple Airlines

Mon 21/717:30CFU - LHR

Nonstop3h 25mMultiple Airlines

Deal found 8/7£192

Tue 15/706:00LHR - SOF

1 stop27h 40mMultiple Airlines

Thu 17/706:00SOF - LHR

1 stop15h 40mMultiple Airlines

Deal found 7/7£171

Tue 15/707:05LHR - SPU

1 stop10h 25mMultiple Airlines

Sun 20/720:25SPU - LHR

1 stop23h 50mMultiple Airlines

Deal found 8/7£176

Tue 15/709:00LHR - SOF

1 stop7h 40mLufthansa

Wed 16/706:00SOF - LHR

1 stop11h 40mLufthansa

Deal found 7/7£177

Tue 15/706:00LHR - SOF

1 stop27h 40mAustrian Airlines

Thu 17/718:55SOF - LHR

1 stop15h 50mAustrian Airlines

Deal found 8/7£180

Tue 15/709:00LHR - SPU

1 stop6h 15mLufthansa

Tue 22/717:05SPU - LHR

1 stop6h 35mLufthansa

Deal found 7/7£182

Tue 15/709:00LHR - TIA

1 stop13h 30mLufthansa

Tue 22/718:25TIA - LHR

1 stop5h 15mLufthansa

Deal found 6/7£184

Tue 15/709:55LHR - SKG

1 stop9h 25mScandinavian Airlines

Thu 17/712:00SKG - LHR

1 stop11h 20mScandinavian Airlines

Deal found 7/7£190

Wed 16/707:25LHR - OTP

1 stop15h 30mLufthansa

Sat 19/712:40OTP - LHR

1 stop10h 05mLufthansa

Deal found 7/7£180

Wed 16/720:25LHR - SKG

1 stop12h 20mMultiple Airlines

Wed 30/721:10SKG - LHR

1 stop13h 35mMultiple Airlines

Deal found 7/7£188

Thu 17/719:30LHR - CFU

1 stop11h 00mLufthansa

Thu 24/710:05CFU - LHR

1 stop10h 20mLufthansa

Deal found 7/7£182

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 9 July 2025.

Wed 5/1108:20LHR - TIA

Nonstop3h 00mBritish Airways

Deal found 7/7£60

Thu 2/1019:05LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 7/7£62

Wed 5/1114:55LHR - SOF

Nonstop3h 15mBritish Airways

Deal found 7/7£64

Tue 2/922:15LHR - TIA

1 stop10h 00mAegean Airlines

Deal found 8/7£68

Mon 25/822:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 8/7£68

Sat 30/807:45LHR - SOF

1 stop14h 45mMultiple Airlines

Deal found 7/7£70

Sun 21/907:40LHR - TIA

1 stop14h 30mMultiple Airlines

Deal found 7/7£71

Sat 8/1122:15LHR - OTP

1 stop9h 45mAegean Airlines

Deal found 7/7£73

Wed 3/920:50LHR - SPU

1 stop11h 00mVueling

Deal found 7/7£73

Tue 5/807:05LHR - ATH

1 stop10h 25mScandinavian Airlines

Deal found 8/7£79

Wed 16/707:05LHR - SPU

1 stop8h 25mScandinavian Airlines

Deal found 7/7£79

Sun 5/1022:15LHR - CFU

1 stop7h 45mAegean Airlines

Deal found 8/7£79

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

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Mon 1/12

14:20-19:35

Nonstop3h 15m

Bucharest Otopeni Intl

Tue 2/12

16:40-18:10

Nonstop3h 30m

£100

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Wed 12/11

19:00-00:35

Nonstop3h 35m

Athens Eleftherios V.

Wed 19/11

20:20-22:20

Nonstop4h 00m

£112

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Fri 21/11

14:15-19:30

Nonstop3h 15m

Bucharest Otopeni Intl

Sun 23/11

10:50-17:55

1 stop9h 05m

£124

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 6/10

18:10-00:30

1 stop28h 20m

Sofia

Mon 20/10

05:00-12:30

1 stop9h 30m

£127

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Wed 19/11

08:20-12:20

Nonstop3h 00m

Tirana Rinas

Thu 4/12

04:00-12:20

1 stop9h 20m

£129

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Thu 6/11

08:25-12:25

Nonstop3h 00m

Tirana Rinas

Sat 8/11

12:45-15:15

Nonstop3h 30m

£132

LondonCorfu

LHR - CFU

LHRCFU

London Heathrow

Sat 4/10

22:15-08:00

1 stop7h 45m

Corfu Ioannis Kapodistrias

Fri 10/10

16:30-17:55

Nonstop3h 25m

£137

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Tue 2/12

07:40-13:20

Nonstop3h 40m

Athens Eleftherios V.

Tue 9/12

19:55-21:55

Nonstop4h 00m

£140

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 14/9

19:25-02:55

1 stop5h 30m

Sofia

Sat 20/9

05:00-12:30

1 stop9h 30m

£141

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Mon 6/10

22:15-03:50

Nonstop3h 35m

Athens Eleftherios V.

Mon 20/10

19:20-21:10

Nonstop3h 50m

£143

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 60 results

...

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.

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

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 £101). Flying from London Heathrow Airport to Southeast Europe in August is currently the most expensive (average of £336). 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?

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

Weekly flight availability from London Heathrow Airport to Southeast Europe

The most flights from LHR to zzYMH are scheduled on a Tuesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Southeast Europe

Read reviews from past customers who have flown with Aegean Airlines, KLM, 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

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.2

Very Good

763 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM

7.8

Good

1,370 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

LOT

7.6

Good

1,093 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Austrian Airlines

7.6

Good

806 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Air France

7.5

Good

1,467 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Southeast Europe one-way?
The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £60. However, be on the lookout for offers from Aegean Airlines and Vueling, 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 - Split.
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 LATAM Airlines (79%), Air Canada (75%) and Aegean Airlines (74%).
What are the cheapest flights from London Heathrow Airport to Southeast Europe?
On average you can expect to pay £543 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £73 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £113.
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 £101). Flying from London Heathrow Airport to Southeast Europe in August is currently the most expensive (average of £336). 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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Top 10 airlines flying from Heathrow to Southeast Europe

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£14	Average£75	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Wizz Air	Cheapest£26	Average£131	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
Ryanair	Cheapest£31	Average£102	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Wizz Air	Cheapest£36	Average£119	FlexibilityNo cancel fee	On-time83%	Search Wizz Air flights
Wizz Air	Cheapest£41	Average£148	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
easyJet	Cheapest£50	Average£210	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Air Serbia	Cheapest£53	Average£169	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
Jet2	Cheapest£56	Average£263	FlexibilityNo cancel fee	On-timeN/A	Search Jet2 flights
Sky Express	Cheapest£80	Average£240	FlexibilityNo cancel fee	On-timeN/A	Search Sky Express flights
LOT	Cheapest£109	Average£205	FlexibilityNo cancel fee	On-time81%	Search LOT flights

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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.

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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.

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Cheap flights from London Heathrow Airport to Southeast Europe from £60

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 5/11. 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

Keep the following information in mind while searching for Heathrow to Southeast Europe flight deals. Data was last updated 9 July 2025.

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Find 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 9 July 2025.

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 9 July 2025.

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

Everything you need to know about your flight from London Heathrow Airport to Southeast Europe

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 9 July 2025.

Weekly flight availability from London Heathrow Airport to Southeast Europe

Reviews of airlines servicing Southeast Europe

Read reviews from past customers who have flown with Aegean Airlines, KLM, 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

Find useful and relevant information for your journey from Heathrow to Southeast Europe. 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 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?

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Alternative routes for Heathrow to Southeast Europe

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

Top 10 airlines flying from Heathrow to Southeast Europe

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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?

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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 9 July 2025.