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Cheap flights from London Heathrow Airport to Southeast Europe from £42

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ATH
16 Jul — 23 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Southeast Europe

Enter your travel dates to find the best prices.

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 16 June 2026.

Tue 23/619:20
LHR
-
TIA
Nonstop3h 00m
British Airways
Thu 2/713:25
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 15/6£101
Mon 21/909:55
LHR
-
SPU
1 stop9h 10m
Vueling
Fri 25/920:50
SPU
-
LHR
1 stop13h 20m
Vueling
Deal found 16/6£109
Wed 11/1109:30
LHR
-
OTP
Nonstop3h 15m
British Airways
Sun 15/1116:10
OTP
-
LHR
Nonstop3h 40m
British Airways
Deal found 12/6£115
Mon 9/1118:30
LHR
-
OTP
Nonstop3h 15m
British Airways
Fri 13/1120:20
OTP
-
LHR
Nonstop3h 30m
British Airways
Deal found 16/6£117
Wed 2/1209:30
LHR
-
OTP
Nonstop3h 15m
British Airways
Sun 6/1207:35
OTP
-
LHR
Nonstop3h 50m
British Airways
Deal found 15/6£118
Sun 13/919:05
LHR
-
OTP
Nonstop3h 15m
British Airways
Wed 16/916:15
OTP
-
LHR
Nonstop3h 25m
British Airways
Deal found 15/6£121
Mon 2/1109:55
LHR
-
ATH
1 stop8h 35m
Vueling
Sat 7/1121:45
ATH
-
LHR
1 stop13h 25m
Vueling
Deal found 15/6£121
Mon 14/919:35
LHR
-
OTP
Nonstop3h 15m
British Airways
Sat 19/920:00
OTP
-
LHR
Nonstop3h 20m
British Airways
Deal found 12/6£122
Sat 5/1216:50
LHR
-
SPU
Nonstop2h 30m
Croatia Airlines
Wed 16/1206:50
SPU
-
LHR
1 stop10h 15m
Croatia Airlines
Deal found 15/6£122
Tue 8/920:05
LHR
-
OTP
Nonstop3h 15m
British Airways
Tue 6/1018:10
OTP
-
LHR
Nonstop3h 30m
British Airways
Deal found 16/6£123
Sat 26/916:40
LHR
-
SPU
Nonstop2h 25m
Croatia Airlines
Sun 4/1023:00
SPU
-
LHR
1 stop21h 15m
Croatia Airlines
Deal found 14/6£123
Sat 3/1020:50
LHR
-
DBV
1 stop11h 10m
Multiple Airlines
Tue 6/1016:20
DBV
-
LHR
1 stop24h 50m
Multiple Airlines
Deal found 16/6£123

Find 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 16 June 2026.

Round-trip from

£109

One-way from

£42

Popular in

August

Cheapest in

January

Average price

£100
Vueling
  • Vueling
  • 21/9-25/9
  • 2 total stops
  • 22h 30m total
  • London to Southeast Europe
Search Deals
Vueling
  • Vueling
  • 5/7
  • 1 total stop
  • 10h 15m total
  • London to Southeast Europe
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Southeast Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 June 2026.
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

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Sun 27/9

20:30-02:10

Nonstop3h 40m

Athens Eleftherios V.

Mon 30/11

16:55-18:55

Nonstop4h 00m

£155
Fastest return journey

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Mon 14/9

19:05-23:05

Nonstop3h 00m

Tirana Rinas

Tue 22/9

08:30-11:00

Nonstop3h 30m

£157

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Fri 2/10

19:15-23:15

Nonstop3h 00m

Tirana Rinas

Mon 5/10

08:30-11:00

Nonstop3h 30m

£165

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Sun 6/9

19:05-00:20

Nonstop3h 15m

Bucharest Otopeni Intl

Wed 9/9

16:15-17:40

Nonstop3h 25m

£171

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Sun 4/10

13:30-03:05

1 stop11h 35m

Bucharest Otopeni Intl

Tue 6/10

16:05-12:30

1 stop22h 25m

£175

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Sat 3/10

13:30-14:35

1 stop24h 05m

Split

Fri 9/10

15:20-12:30

1 stop22h 10m

£176

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Wed 1/7

16:35-22:15

Nonstop3h 40m

Athens Eleftherios V.

Wed 22/7

22:50-09:10

1 stop12h 20m

£178

LondonMykonos

LHR - JMK

LHRJMK

London Heathrow

Fri 31/7

20:05-20:05

1 stop22h 00m

Mikonos

Fri 7/8

20:55-07:55

1 stop13h 00m

£181

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 10/12

09:55-17:05

1 stop6h 10m

Ljubljana Joze Pucnik

Sun 13/12

21:20-09:10

1 stop12h 50m

£182

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Mon 5/10

19:05-23:05

Nonstop3h 00m

Tirana Rinas

Thu 8/10

13:25-15:55

Nonstop3h 30m

£182

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Europe (average of £180). Flying from London Heathrow Airport to Southeast Europe in August is currently the most expensive (average of £296). 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?

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 16 June 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 26% versus a flight in the morning.

Weekly flight availability from London Heathrow Airport to Southeast Europe

Explore weekly flight availability from Heathrow to Southeast Europe. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 June 2026.

The most flights from LHR to zzYMH are scheduled on a Tuesday (18 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 13 June 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. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Europe

Get insights into the airlines that provide service to Southeast Europe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Europe. Reviews last updated 16 June 2026.
Read reviews from past customers who have flown with Aegean Airlines,Austrian Airlines, andLufthansa 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
8.1
Very Good
877 reviews
Check prices

Comfort

7.9

Food

7.4

Crew

8.6

Boarding

7.8

Entertainment

6.9

Overall

8.1

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
8.1
Very Good
877 reviews
Aegean Airlines
8.1
Very Good
877 reviews
Check prices

Comfort

7.9

Food

7.4

Crew

8.6

Boarding

7.8

Entertainment

6.9

Overall

8.1

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
935 reviews
Aegean Airlines
8.1
Very Good
877 reviews
Check prices

Comfort

7.9

Food

7.4

Crew

8.6

Boarding

7.8

Entertainment

6.9

Overall

8.1

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
8,066 reviews
Aegean Airlines
8.1
Very Good
877 reviews
Check prices

Comfort

7.9

Food

7.4

Crew

8.6

Boarding

7.8

Entertainment

6.9

Overall

8.1

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
8,054 reviews
Aegean Airlines
8.1
Very Good
877 reviews
Check prices

Comfort

7.9

Food

7.4

Crew

8.6

Boarding

7.8

Entertainment

6.9

Overall

8.1

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
Air Serbia
6.1
Okay
231 reviews
Aegean Airlines
8.1
Very Good
877 reviews
Check prices

Comfort

7.9

Food

7.4

Crew

8.6

Boarding

7.8

Entertainment

6.9

Overall

8.1

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

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.

  • 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 40m. British Airways provides one of the quickest options available for as low as £155. Airlines will cover a distance of 1507 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 £17. However, be on the lookout for offers from easyJet and Wizz Air, 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 - Tirana Rinas. You may also consider London Heathrow - Athens Eleftherios V. 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 Aegean Airlines (88%), Air Canada (87%) and American Airlines (83%).

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

    On average you can expect to pay £467 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £105 while the most popular route, (London Heathrow - Tirana Rinas) is currently priced at £130.

  • 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, April is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Europe (average of £180). Flying from London Heathrow Airport to Southeast Europe in August is currently the most expensive (average of £296). 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

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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.
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London City to Málaga flights

Top 10 airlines flying from Heathrow to Southeast Europe

Discover the top 10 airlines that operate flights from Heathrow to Southeast Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£17Average£114FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£19Average£145FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£38Average£81FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£40Average£148FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Wizz AirCheapest£43Average£154FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Air SerbiaCheapest£56Average£164FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
easyJetCheapest£75Average£246FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Sky ExpressCheapest£95Average£297FlexibilityNo cancel feeOn-timeN/A
Search Sky Express flights
Aegean AirlinesCheapest£97Average£252FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air FranceCheapest£104Average£179FlexibilityNo cancel feeOn-time77%
Search Air France flights

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 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!

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