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

For as low as £90, British Airways can have you in London Heathrow Airport from Southeast Europe in 3h 40m. The distance from Southeast Europe to London Heathrow Airport is about 1307 mi. Both multi-stop and direct flights can be found to your destination and back.

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

One-way options have recently been found by users for as low as £39 on British Airways. Other airlines that offer cheap prices include Air Serbia from £53 and Aegean Airlines from £56 one-way.

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.

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).

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

The most popular flight routes from Southeast Europe to London Heathrow Airport are Athens Eleftherios V. - London Heathrow, Bucharest Otopeni Intl - London Heathrow and Cluj Napoca - London Heathrow.

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

While on average a flight from Southeast Europe to London Heathrow Airport is generally £179, our data shows the cheapest flight currently is £84. When looking at the most popular route, (Athens Eleftherios V. - London Heathrow), you can expect to pay £115 for that flight.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Southeast Europe to London Heathrow Airport on time: Air Canada (84%), Singapore Airlines (78%), Aegean Airlines (75%).

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

Consider Aegean Airlines, British Airways or Lufthansa when booking your flight. These represent the most popular airlines when flying from Southeast Europe to London Heathrow Airport.

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

To save on the cost of your flight from Southeast Europe to London Heathrow Airport, book at least 39 days before your planned departure. Booking around this time can save you about 82% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £107 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £144.

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

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Southeast Europe in February are about £126 on average during February, but can be found for as low as £23.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Southeast Europe 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.

£39+ Cheap Flights from Southeast Europe to London Heathrow Airport

Cheap flight deals from Southeast Europe to Heathrow

Round-trip from	£90
One-way from	£39
Popular in	July
Cheapest in	October
Average price	£132

British Airways
7/2-25/2
Nonstop
6h 55m total
Southeast Europe to London

Search Deals

British Airways
18/12
Nonstop
3h 30m total
Southeast Europe to London

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£29 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Southeast Europe to Heathrow

Cheapest flights from Southeast Europe to Heathrow
Explore the most affordable flight options available from Southeast Europe to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Mon 24/1116:00OTP - LHR

Nonstop3h 40mBritish Airways

Wed 26/1109:30LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£93

Sat 22/1108:05OTP - LHR

Nonstop3h 55mBritish Airways

Wed 26/1109:30LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£93

Thu 9/1021:15OTP - LHR

Nonstop3h 25mBritish Airways

Wed 15/1020:05LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 27/8£94

Tue 7/1018:15OTP - LHR

Nonstop3h 25mBritish Airways

Wed 8/1010:15LHR - OTP

Nonstop3h 10mBritish Airways

Deal found 28/8£95

Thu 9/1015:40OTP - LHR

Nonstop3h 30mBritish Airways

Sun 12/1019:10LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 27/8£95

Tue 7/1018:15OTP - LHR

Nonstop3h 25mBritish Airways

Sat 11/1018:35LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 28/8£96

Wed 8/1016:15OTP - LHR

Nonstop3h 30mBritish Airways

Thu 16/1009:15LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 28/8£97

Sat 11/1020:05OTP - LHR

Nonstop3h 25mBritish Airways

Sun 19/1019:10LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 27/8£98

Sat 18/1019:20ATH - LHR

Nonstop3h 50mAegean Airlines

Sun 26/1022:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 27/8£98

Sat 11/1020:05OTP - LHR

Nonstop3h 25mBritish Airways

Sat 18/1018:35LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£99

Fri 21/1120:20OTP - LHR

Nonstop3h 30mBritish Airways

Sat 22/1118:10LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 28/8£100

Wed 8/1016:15OTP - LHR

Nonstop3h 30mBritish Airways

Wed 15/1020:05LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 27/8£101

Best flights from Southeast Europe to Heathrow
Discover carefully curated flight deals from Southeast Europe to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Sat 7/216:00OTP - LHR

Nonstop3h 40mBritish Airways

Wed 25/217:40LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£90

Wed 4/216:00ATH - LHR

Nonstop3h 55mAegean Airlines

Mon 9/222:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 27/8£103

Thu 25/918:05CLJ - LHR

1 stop17h 15mLOT

Thu 2/1010:15LHR - CLJ

1 stop25h 05mLOT

Deal found 28/8£128

Sun 12/1013:40SBZ - LHR

1 stop20h 40mMultiple Airlines

Sun 19/1007:25LHR - SBZ

1 stop7h 55mMultiple Airlines

Deal found 28/8£133

Sun 12/1009:40LJU - LHR

1 stop27h 50mAir Serbia

Sun 19/1013:30LHR - LJU

1 stop23h 55mAir Serbia

Deal found 28/8£135

Thu 2/1013:40SBZ - LHR

1 stop7h 00mAustrian Airlines

Wed 8/1006:00LHR - SBZ

1 stop4h 55mAustrian Airlines

Deal found 28/8£138

Thu 23/1006:05SBZ - LHR

1 stop13h 00mLufthansa

Thu 30/1006:35LHR - SBZ

1 stop9h 40mLufthansa

Deal found 28/8£138

Fri 10/1010:50LJU - LHR

1 stop8h 00mSWISS

Mon 13/1018:40LHR - LJU

1 stop14h 25mSWISS

Deal found 27/8£144

Mon 24/1116:00OTP - LHR

Nonstop3h 40mBritish Airways

Wed 26/1109:30LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£93

Sat 22/1108:05OTP - LHR

Nonstop3h 55mBritish Airways

Wed 26/1109:30LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£93

Thu 6/1119:10ATH - LHR

Nonstop4h 05mAegean Airlines

Sun 9/1122:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 27/8£111

Sun 23/1107:35OTP - LHR

Nonstop3h 50mBritish Airways

Tue 25/1117:45LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 29/8£94

Direct flights from Southeast Europe to Heathrow
Explore direct flight options from Southeast Europe to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2025.

Sat 7/216:00OTP - LHR

Nonstop3h 40mBritish Airways

Wed 25/217:40LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£90

Wed 14/119:10ATH - LHR

Nonstop4h 05mAegean Airlines

Mon 19/122:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 28/8£90

Mon 24/1116:00OTP - LHR

Nonstop3h 40mBritish Airways

Wed 26/1109:30LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£93

Thu 15/116:00ATH - LHR

Nonstop3h 55mAegean Airlines

Sun 18/122:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 28/8£93

Sat 22/1108:05OTP - LHR

Nonstop3h 55mBritish Airways

Wed 26/1109:30LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 27/8£93

Wed 8/1016:15OTP - LHR

Nonstop3h 30mBritish Airways

Wed 15/1020:05LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 26/8£94

Tue 7/1018:15OTP - LHR

Nonstop3h 25mBritish Airways

Wed 8/1010:15LHR - OTP

Nonstop3h 10mBritish Airways

Deal found 28/8£95

Thu 9/1015:40OTP - LHR

Nonstop3h 30mBritish Airways

Sun 12/1019:10LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 27/8£95

Tue 7/1018:15OTP - LHR

Nonstop3h 25mBritish Airways

Sat 11/1018:35LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 28/8£96

Wed 8/1016:15OTP - LHR

Nonstop3h 30mBritish Airways

Thu 16/1009:15LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 28/8£97

Sat 11/1020:05OTP - LHR

Nonstop3h 25mBritish Airways

Sun 19/1019:10LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 27/8£98

Thu 9/1015:40OTP - LHR

Nonstop3h 30mBritish Airways

Wed 15/1020:05LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 28/8£98

Last-minute flights from Southeast Europe to Heathrow
Discover last-minute flight deals from Southeast Europe to Heathrow. Data last updated 29 August 2025 and is based on user searches.

Thu 11/909:15ATH - LHR

Nonstop4h 00mAegean Airlines

Wed 17/922:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 26/8£127

Thu 11/909:15ATH - LHR

Nonstop4h 00mAegean Airlines

Sat 20/922:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 26/8£128

Thu 11/909:15ATH - LHR

Nonstop4h 00mAegean Airlines

Mon 15/922:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 26/8£129

Thu 18/916:00ATH - LHR

Nonstop3h 55mAegean Airlines

Wed 24/922:15LHR - ATH

Nonstop3h 35mAegean Airlines

Deal found 27/8£118

Mon 22/918:40SOF - LHR

1 stop5h 20mLOT

Sun 28/906:30LHR - SOF

1 stop17h 30mLOT

Deal found 28/8£127

Mon 22/918:40SOF - LHR

1 stop5h 20mLOT

Tue 30/910:15LHR - SOF

1 stop25h 35mLOT

Deal found 27/8£128

Thu 25/918:40SOF - LHR

1 stop5h 20mLOT

Thu 2/1010:15LHR - SOF

1 stop13h 45mLOT

Deal found 28/8£127

Thu 25/918:40SOF - LHR

1 stop5h 20mLOT

Sun 5/1006:30LHR - SOF

1 stop5h 20mLOT

Deal found 28/8£132

Fri 26/905:20SOF - LHR

1 stop18h 40mLOT

Mon 29/918:10LHR - SOF

1 stop21h 45mLOT

Deal found 27/8£129

Sat 27/918:40SOF - LHR

1 stop16h 40mLOT

Sat 4/1006:30LHR - SOF

1 stop5h 20mLOT

Deal found 27/8£130

Tue 30/914:35SOF - LHR

1 stop9h 25mLOT

Wed 8/1010:15LHR - SOF

1 stop5h 40mLOT

Deal found 27/8£130

Tue 30/914:35SOF - LHR

1 stop9h 25mLOT

Fri 3/1018:10LHR - SOF

1 stop5h 50mLOT

Deal found 26/8£132

One-way flights from Southeast Europe to Heathrow
Search for one-way flight options from Southeast Europe to Heathrow. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Thu 18/1221:00OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 26/8£39

Thu 4/1221:00OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 27/8£41

Mon 22/1220:25OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 28/8£42

Tue 7/1018:15OTP - LHR

Nonstop3h 25mBritish Airways

Deal found 28/8£46

Thu 9/1021:15OTP - LHR

Nonstop3h 25mBritish Airways

Deal found 27/8£47

Sun 26/1014:30SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 27/8£47

Wed 8/1016:15OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 28/8£48

Mon 2/220:25OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 27/8£49

Sat 18/1020:05OTP - LHR

Nonstop3h 25mBritish Airways

Deal found 28/8£51

Fri 17/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 27/8£53

Fri 24/1015:30OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 27/8£53

Fri 24/1014:20SOF - LHR

Nonstop3h 35mBritish Airways

Deal found 27/8£53

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 7/2

16:00-17:40

Nonstop3h 40m

London Heathrow

Wed 25/2

17:40-22:55

Nonstop3h 15m

£90

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Mon 24/11

16:00-17:40

Nonstop3h 40m

London Heathrow

Wed 26/11

09:30-14:45

Nonstop3h 15m

£93

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 22/11

08:05-10:00

Nonstop3h 55m

London Heathrow

Wed 26/11

09:30-14:45

Nonstop3h 15m

£93

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sun 23/11

07:35-09:25

Nonstop3h 50m

London Heathrow

Tue 25/11

17:45-23:00

Nonstop3h 15m

£94

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Tue 14/10

18:15-19:40

Nonstop3h 25m

London Heathrow

Wed 19/11

09:30-14:45

Nonstop3h 15m

£94

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 5/12

08:00-09:50

Nonstop3h 50m

London Heathrow

Tue 9/12

17:45-23:00

Nonstop3h 15m

£95

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 9/10

15:40-17:10

Nonstop3h 30m

London Heathrow

Sun 12/10

19:10-00:30

Nonstop3h 20m

£95

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Wed 4/2

16:00-17:55

Nonstop3h 55m

London Heathrow

Mon 9/2

22:15-03:50

Nonstop3h 35m

£103

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Thu 6/11

19:10-21:15

Nonstop4h 05m

London Heathrow

Sun 9/11

22:15-03:50

Nonstop3h 35m

£111

AthensLondon

ATH - LHR

ATHLHR

Athens Eleftherios V.

Tue 17/2

19:10-21:15

Nonstop4h 05m

London Heathrow

Sun 22/2

16:35-22:20

Nonstop3h 45m

£113

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 60 results

...

Best time to book a flight from Southeast Europe to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Southeast Europe 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 Southeast Europe to London Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Southeast Europe to London Heathrow Airport (average of £112). Flying from Southeast Europe to London Heathrow Airport in August is currently the most expensive (average of £164). 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 YMH to LHR?

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

Weekly flight availability from Southeast Europe to London Heathrow Airport

The most flights from zzYMH to LHR are scheduled on a Thursday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Aegean Airlines, Lufthansa, andBritish Airways from Southeast Europe to London Heathrow Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.1

Very Good

789 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

8.1

Very Good

789 reviews

Aegean Airlines

8.1

Very Good

789 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

Lufthansa

6.8

Okay

7,371 reviews

Aegean Airlines

8.1

Very Good

789 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

British Airways

6.7

Okay

7,320 reviews

Aegean Airlines

8.1

Very Good

789 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 Serbia

6.3

Okay

198 reviews

Aegean Airlines

8.1

Very Good

789 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

How long is the flight from Southeast Europe to London Heathrow Airport?
For as low as £90, British Airways can have you in London Heathrow Airport from Southeast Europe in 3h 40m. The distance from Southeast Europe to London Heathrow Airport is about 1307 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Southeast Europe to London Heathrow Airport one-way?
One-way options have recently been found by users for as low as £39 on British Airways. Other airlines that offer cheap prices include Air Serbia from £53 and Aegean Airlines from £56 one-way.
What are the most popular routes from Southeast Europe to London Heathrow Airport?
The most popular flight routes from Southeast Europe to London Heathrow Airport are Athens Eleftherios V. - London Heathrow, Bucharest Otopeni Intl - London Heathrow and Cluj Napoca - London Heathrow.
What are the most reliable airlines from Southeast Europe to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Southeast Europe to London Heathrow Airport on time: Air Canada (84%), Singapore Airlines (78%), Aegean Airlines (75%).
What are the cheapest flights from Southeast Europe to London Heathrow Airport?
While on average a flight from Southeast Europe to London Heathrow Airport is generally £179, our data shows the cheapest flight currently is £84. When looking at the most popular route, (Athens Eleftherios V. - London Heathrow), you can expect to pay £115 for that flight.
Can I find deals for flights from Southeast Europe to Heathrow that include hotel bookings?
Yes. In addition to deals on Southeast Europe to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southeast Europe to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Europe to Heathrow.
Can I find deals for business class flights from Southeast Europe to Heathrow?
Yes. Cheapflights offers flight deals from Southeast Europe 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 Southeast Europe to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Southeast Europe to London Heathrow Airport (average of £112). Flying from Southeast Europe to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Milton Keynes

Croydon

Hounslow

Gatwick

Slough

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

Ipswich

Chichester

Winchester

Eastbourne

Swindon

Dartford

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Southeast Europe to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Wizz Air	Cheapest£54	Average£102	FlexibilityNo cancel fee	On-time83%	Search Wizz Air flights
British Airways	Cheapest£91	Average£180	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Serbia	Cheapest£92	Average£178	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
Bulgaria Air	Cheapest£96	Average£193	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights
LOT	Cheapest£124	Average£171	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Aegean Airlines	Cheapest£132	Average£196	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
Lufthansa	Cheapest£151	Average£151	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southeast Europe to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Heathrow from Southeast Europe.

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

Need flexible booking options for your flight to Heathrow from Southeast Europe? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Southeast Europe to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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 Southeast Europe to London Heathrow Airport from £39

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 18/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southeast Europe to Heathrow

Keep the following information in mind while searching for Southeast Europe to Heathrow flight deals. Data was last updated 29 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Southeast Europe to Heathrow

Cheapest flights from Southeast Europe to HeathrowExplore the most affordable flight options available from Southeast Europe to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Southeast Europe to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Southeast Europe to Heathrow

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Southeast Europe 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 29 August 2025.

Weekly flight availability from Southeast Europe to London Heathrow Airport

Reviews of airlines servicing Heathrow

Related info for your journey

Find useful and relevant information for your journey from Southeast Europe to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

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

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

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

Travelling to a place near 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 Southeast Europe to Heathrow

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

Top 7 airlines flying from Southeast Europe to Heathrow

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 Southeast Europe to Heathrow?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Southeast Europe to Heathrow
Explore the most affordable flight options available from Southeast Europe to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.