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 - Split or London Heathrow - Corfu Ioannis Kapodistrias.

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

On average you can expect to pay £563 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £93 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £102.

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 (88%), Japan Airlines (74%) and Aegean Airlines (71%).

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 £155. For sooner than that we have options available in the next 3 days from £177.

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 £149 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 53% 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	£88
One-way from	£60
Popular in	August
Cheapest in	January
Average price	£152

Lufthansa
28/6-2/7
2 total stops
13h 50m total
London to Southeast Europe

Search Deals

British Airways
1/11
Nonstop
3h 45m total
London to Southeast Europe

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£40 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 June 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 13 June 2025.

Sat 28/615:05LHR - TIA

1 stop8h 30mMultiple Airlines

Wed 2/705:35TIA - LHR

1 stop5h 20mMultiple Airlines

Deal found 12/6£88

Thu 4/1208:25LHR - TIA

Nonstop3h 00mBritish Airways

Thu 5/213:10TIA - LHR

Nonstop3h 30mBritish Airways

Deal found 10/6£98

Tue 18/1110:05LHR - ATH

Nonstop3h 45mBritish Airways

Tue 25/1116:55ATH - LHR

Nonstop4h 00mBritish Airways

Deal found 12/6£103

Wed 19/1117:55LHR - OTP

Nonstop3h 10mBritish Airways

Thu 20/1116:40OTP - LHR

Nonstop3h 45mBritish Airways

Deal found 11/6£107

Sat 11/1016:40LHR - SPU

Nonstop2h 25mCroatia Airlines

Tue 14/1019:45SPU - LHR

1 stop21h 25mCroatia Airlines

Deal found 12/6£115

Sun 12/1009:00LHR - SPU

1 stop6h 15mLufthansa

Thu 16/1017:05SPU - LHR

1 stop4h 40mLufthansa

Deal found 10/6£123

Wed 12/1119:00LHR - OTP

1 stop23h 25mMultiple Airlines

Sat 15/1108:10OTP - LHR

Nonstop3h 50mMultiple Airlines

Deal found 11/6£127

Tue 18/1109:55LHR - ATH

1 stop8h 25mScandinavian Airlines

Tue 25/1121:10ATH - LHR

1 stop13h 45mScandinavian Airlines

Deal found 12/6£129

Fri 10/1021:05LHR - SPU

1 stop11h 15mMultiple Airlines

Fri 17/1015:20SPU - LHR

1 stop22h 10mMultiple Airlines

Deal found 11/6£130

Mon 1/919:00LHR - ATH

Nonstop3h 35mAegean Airlines

Wed 10/919:20ATH - LHR

Nonstop3h 50mAegean Airlines

Deal found 13/6£132

Tue 1/710:25LHR - DBV

1 stop6h 30mAustrian Airlines

Wed 9/713:00DBV - LHR

1 stop9h 40mAustrian Airlines

Deal found 13/6£133

Thu 11/1209:55LHR - ATH

1 stop9h 20mMultiple Airlines

Thu 25/1219:50ATH - LHR

Nonstop4h 00mMultiple Airlines

Deal found 12/6£135

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 13 June 2025.

Sat 28/615:05LHR - TIA

1 stop8h 30mMultiple Airlines

Wed 2/705:35TIA - LHR

1 stop5h 20mMultiple Airlines

Deal found 12/6£88

Tue 18/1110:05LHR - ATH

Nonstop3h 45mBritish Airways

Tue 25/1116:55ATH - LHR

Nonstop4h 00mBritish Airways

Deal found 12/6£103

Sat 11/1016:40LHR - SPU

Nonstop2h 25mCroatia Airlines

Tue 14/1019:45SPU - LHR

1 stop21h 25mCroatia Airlines

Deal found 12/6£115

Sun 12/1009:00LHR - SPU

1 stop6h 15mLufthansa

Thu 16/1017:05SPU - LHR

1 stop4h 40mLufthansa

Deal found 10/6£123

Tue 18/1109:55LHR - ATH

1 stop8h 25mScandinavian Airlines

Tue 25/1121:10ATH - LHR

1 stop13h 45mScandinavian Airlines

Deal found 12/6£129

Mon 1/919:00LHR - ATH

Nonstop3h 35mAegean Airlines

Wed 10/919:20ATH - LHR

Nonstop3h 50mAegean Airlines

Deal found 13/6£132

Tue 1/710:25LHR - DBV

1 stop6h 30mAustrian Airlines

Wed 9/713:00DBV - LHR

1 stop9h 40mAustrian Airlines

Deal found 13/6£133

Sat 27/907:45LHR - SPU

1 stop5h 25mBrussels Airlines

Sat 4/1014:55SPU - LHR

1 stop7h 40mBrussels Airlines

Deal found 10/6£142

Sun 12/1019:25LHR - SPU

1 stop18h 10mAir Serbia

Fri 17/1015:20SPU - LHR

1 stop22h 10mAir Serbia

Deal found 12/6£152

Tue 18/1114:45LHR - ATH

1 stop9h 50mAir France

Mon 24/1103:35ATH - LHR

1 stop12h 10mAir France

Deal found 12/6£157

Wed 2/718:40LHR - DBV

1 stop13h 00mSWISS

Tue 8/719:40DBV - LHR

1 stop13h 15mSWISS

Deal found 11/6£157

Tue 1/711:45LHR - ATH

1 stop11h 35mKLM

Tue 8/713:40ATH - LHR

1 stop5h 55mKLM

Deal found 12/6£159

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 13 June 2025.

Thu 4/1208:25LHR - TIA

Nonstop3h 00mBritish Airways

Thu 5/213:10TIA - LHR

Nonstop3h 30mBritish Airways

Deal found 10/6£98

Tue 18/1110:05LHR - ATH

Nonstop3h 45mBritish Airways

Tue 25/1116:55ATH - LHR

Nonstop4h 00mBritish Airways

Deal found 12/6£103

Wed 19/1117:55LHR - OTP

Nonstop3h 10mBritish Airways

Thu 20/1116:40OTP - LHR

Nonstop3h 45mBritish Airways

Deal found 11/6£107

Mon 6/1022:15LHR - ATH

Nonstop3h 35mAegean Airlines

Thu 9/1016:00ATH - LHR

Nonstop3h 55mAegean Airlines

Deal found 11/6£137

Sun 12/1019:15LHR - ATH

Nonstop3h 40mMultiple Airlines

Wed 15/1019:20ATH - LHR

Nonstop3h 50mMultiple Airlines

Deal found 11/6£150

Sat 4/1016:40LHR - SPU

Nonstop2h 25mCroatia Airlines

Sat 11/1014:10SPU - LHR

Nonstop2h 40mCroatia Airlines

Deal found 10/6£150

Sun 29/606:55LHR - CFU

Nonstop3h 25mBritish Airways

Fri 4/719:35CFU - LHR

Nonstop3h 20mBritish Airways

Deal found 11/6£157

Tue 15/707:40LHR - JMK

Nonstop3h 45mBritish Airways

Wed 23/717:50JMK - LHR

Nonstop3h 55mBritish Airways

Deal found 12/6£158

Sat 28/607:05LHR - CHQ

Nonstop4h 05mBritish Airways

Thu 10/718:45CHQ - LHR

Nonstop4h 05mBritish Airways

Deal found 11/6£175

Sun 22/607:45LHR - SPU

Nonstop2h 35mBritish Airways

Wed 25/618:10SPU - LHR

Nonstop2h 40mBritish Airways

Deal found 10/6£180

Tue 8/716:00LHR - DBV

Nonstop2h 45mBritish Airways

Wed 9/720:50DBV - LHR

Nonstop2h 50mBritish Airways

Deal found 12/6£192

Sat 12/711:30LHR - JTR

Nonstop4h 00mBritish Airways

Sat 19/718:25JTR - LHR

Nonstop4h 10mBritish Airways

Deal found 10/6£204

Last-minute flights from Heathrow to Southeast Europe
Discover last-minute flight deals from Heathrow to Southeast Europe. Data last updated 13 June 2025 and is based on user searches.

Tue 17/622:15LHR - TIA

1 stop10h 00mMultiple Airlines

Thu 26/604:00TIA - LHR

1 stop9h 30mMultiple Airlines

Deal found 11/6£169

Tue 17/620:05LHR - HER

1 stop11h 35mSWISS

Tue 24/620:50HER - LHR

1 stop13h 05mSWISS

Deal found 10/6£172

Wed 18/609:00LHR - DBV

1 stop6h 10mLufthansa

Wed 25/617:00DBV - LHR

1 stop4h 45mLufthansa

Deal found 11/6£165

Thu 19/606:00LHR - DBV

1 stop10h 50mAustrian Airlines

Tue 24/613:00DBV - LHR

1 stop6h 40mAustrian Airlines

Deal found 11/6£171

Thu 19/620:05LHR - HER

1 stop11h 40mMultiple Airlines

Wed 25/609:40HER - LHR

1 stop8h 00mMultiple Airlines

Deal found 12/6£177

Fri 20/619:30LHR - DBV

1 stop21h 20mMultiple Airlines

Tue 24/617:00DBV - LHR

1 stop6h 40mMultiple Airlines

Deal found 12/6£163

Fri 20/608:05LHR - SPU

1 stop9h 05mMultiple Airlines

Mon 23/615:20SPU - LHR

1 stop22h 10mMultiple Airlines

Deal found 10/6£172

Sat 21/619:55LHR - TIA

1 stop17h 25mAir Serbia

Sat 28/615:05TIA - LHR

1 stop5h 00mAir Serbia

Deal found 11/6£163

Sat 21/620:05LHR - DBV

1 stop11h 55mSWISS

Tue 1/719:40DBV - LHR

1 stop13h 15mSWISS

Deal found 11/6£168

Sat 21/611:05LHR - HER

1 stop6h 45mBrussels Airlines

Wed 2/711:15HER - LHR

1 stop7h 50mBrussels Airlines

Deal found 12/6£169

Sat 21/613:30LHR - ATH

1 stop11h 55mMultiple Airlines

Tue 1/713:15ATH - LHR

1 stop6h 25mMultiple Airlines

Deal found 12/6£177

Sun 22/619:25LHR - OTP

1 stop5h 40mAir Serbia

Mon 23/616:05OTP - LHR

1 stop22h 25mAir Serbia

Deal found 11/6£156

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 13 June 2025.

Sat 1/1110:10LHR - ATH

Nonstop3h 45mBritish Airways

Deal found 10/6£60

Wed 29/1017:55LHR - OTP

Nonstop3h 10mBritish Airways

Deal found 11/6£61

Tue 7/1019:00LHR - OTP

1 stop12h 05mAegean Airlines

Deal found 12/6£63

Sat 4/1022:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 10/6£63

Sat 1/1107:55LHR - TIA

Nonstop3h 00mBritish Airways

Deal found 12/6£67

Tue 1/722:15LHR - TIA

1 stop18h 55mAegean Airlines

Deal found 12/6£68

Tue 23/915:00LHR - CFU

Nonstop3h 25mBritish Airways

Deal found 12/6£68

Wed 3/909:55LHR - DBV

1 stop11h 50mVueling

Deal found 11/6£74

Thu 14/821:05LHR - ATH

1 stop11h 35mScandinavian Airlines

Deal found 11/6£78

Thu 31/707:05LHR - SPU

1 stop10h 50mScandinavian Airlines

Deal found 11/6£80

Sun 29/619:25LHR - OTP

1 stop17h 55mAir Serbia

Deal found 11/6£81

Tue 1/715:05LHR - DBV

1 stop8h 10mMultiple Airlines

Deal found 12/6£82

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

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Sat 28/6

15:05-00:35

1 stop8h 30m

Tirana Rinas

Wed 2/7

05:35-09:55

1 stop5h 20m

£88

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Thu 4/12

08:25-12:25

Nonstop3h 00m

Tirana Rinas

Thu 5/2

13:10-15:40

Nonstop3h 30m

£98

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Tue 18/11

10:05-15:50

Nonstop3h 45m

Athens Eleftherios V.

Tue 25/11

16:55-18:55

Nonstop4h 00m

£103

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Wed 19/11

17:55-23:05

Nonstop3h 10m

Bucharest Otopeni Intl

Thu 20/11

16:40-18:25

Nonstop3h 45m

£107

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Sat 11/10

16:40-20:05

Nonstop2h 25m

Split

Tue 14/10

19:45-16:10

1 stop21h 25m

£115

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Sun 12/10

09:00-16:15

1 stop6h 15m

Split

Thu 16/10

17:05-20:45

1 stop4h 40m

£123

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Wed 12/11

19:00-20:25

1 stop23h 25m

Bucharest Otopeni Intl

Sat 15/11

08:10-10:00

Nonstop3h 50m

£127

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Tue 18/11

09:55-20:20

1 stop8h 25m

Athens Eleftherios V.

Tue 25/11

21:10-08:55

1 stop13h 45m

£129

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Fri 10/10

21:05-09:20

1 stop11h 15m

Split

Fri 17/10

15:20-12:30

1 stop22h 10m

£130

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Mon 1/9

19:00-00:35

Nonstop3h 35m

Athens Eleftherios V.

Wed 10/9

19:20-21:10

Nonstop3h 50m

£132

Flights are sorted by cheapest return flights first.

Deals found on 10/6

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 Friday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Southeast Europe by month

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.

Temperature in Southeast Europe by month

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).

Reviews of airlines servicing Southeast Europe

Peruse reviews from past customers who have flown with Aegean Airlines, KLM and LOT from London to Southeast Europe to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.2

Very Good

759 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

759 reviews

Aegean Airlines

8.2

Very Good

759 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

1,358 reviews

Aegean Airlines

8.2

Very Good

759 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

1,079 reviews

Aegean Airlines

8.2

Very Good

759 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

802 reviews

Aegean Airlines

8.2

Very Good

759 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

1,463 reviews

Aegean Airlines

8.2

Very Good

759 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 - Split or London Heathrow - Corfu Ioannis Kapodistrias.
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 (88%), Japan Airlines (74%) and Aegean Airlines (71%).
What are the cheapest flights from London Heathrow Airport to Southeast Europe?
On average you can expect to pay £563 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £93 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £102.
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
Ryanair	Cheapest£15	Average£102	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Wizz Air	Cheapest£26	Average£130	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
Wizz Air	Cheapest£36	Average£112	FlexibilityNo cancel fee	On-time83%	Search Wizz Air flights
easyJet	Cheapest£50	Average£200	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Air Serbia	Cheapest£53	Average£174	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
Sky Express	Cheapest£80	Average£207	FlexibilityNo cancel fee	On-timeN/A	Search Sky Express flights
Croatia Airlines	Cheapest£111	Average£218	FlexibilityNo cancel fee	On-time81%	Search Croatia Airlines flights
Aegean Airlines	Cheapest£120	Average£250	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
Jet2	Cheapest£126	Average£264	FlexibilityNo cancel fee	On-timeN/A	Search Jet2 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 1/11. 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 13 June 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 13 June 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 13 June 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 13 June 2025.

Weekly flight availability from London Heathrow Airport to Southeast Europe

Rainfall in Southeast Europe by month

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

Temperature in Southeast Europe by month

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

Reviews of airlines servicing Southeast Europe

Peruse reviews from past customers who have flown with Aegean Airlines, KLM and LOT from London to Southeast Europe to help guide your decision. Reviews also offer insight into each airline's 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?

Browse thousands of different options on Cheapflights for your next trip

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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 13 June 2025.