Cheap flights from London Heathrow Airport to Southeast Europe from £57

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ATH
9 Apr — 16 Apr1
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 10 March 2026.

Fri 17/407:30
LHR
-
TIA
Nonstop3h 05m
British Airways
Mon 20/408:30
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 10/3£86
Sat 2/519:00
LHR
-
TIA
Nonstop3h 00m
British Airways
Sun 10/508:30
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 8/3£92
Sat 11/419:00
LHR
-
TIA
Nonstop3h 00m
British Airways
Wed 15/408:45
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 10/3£100
Sun 19/419:05
LHR
-
TIA
Nonstop3h 00m
British Airways
Sun 26/408:30
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 10/3£102
Sun 22/1109:50
LHR
-
OTP
Nonstop3h 15m
British Airways
Mon 30/1120:25
OTP
-
LHR
Nonstop3h 30m
British Airways
Deal found 6/3£103
Sat 21/306:05
LHR
-
SOF
Nonstop3h 10m
British Airways
Wed 1/421:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 6/3£103
Sat 18/419:00
LHR
-
TIA
Nonstop3h 00m
British Airways
Sat 25/418:55
TIA
-
LHR
Nonstop3h 10m
British Airways
Deal found 6/3£106
Wed 11/322:15
LHR
-
ATH
Nonstop3h 35m
Aegean Airlines
Wed 25/319:10
ATH
-
LHR
Nonstop4h 05m
Aegean Airlines
Deal found 6/3£107
Mon 9/1118:30
LHR
-
OTP
Nonstop3h 15m
British Airways
Tue 10/1116:40
OTP
-
LHR
Nonstop3h 30m
British Airways
Deal found 6/3£108
Tue 21/419:20
LHR
-
TIA
Nonstop3h 00m
British Airways
Tue 28/408:30
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 7/3£108
Sat 14/307:55
LHR
-
TIA
Nonstop3h 00m
British Airways
Wed 1/413:25
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 6/3£109
Sat 18/419:00
LHR
-
TIA
Nonstop3h 00m
British Airways
Tue 21/408:30
TIA
-
LHR
Nonstop3h 30m
British Airways
Deal found 6/3£109

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 10 March 2026.

Round-trip from

£92

One-way from

£57

Popular in

August

Cheapest in

January

Average price

£81
British Airways
  • British Airways
  • 23/4-28/4
  • Nonstop
  • 6h 30m total
  • London to Southeast Europe
British Airways
  • British Airways
  • 24/4
  • Nonstop
  • 3h 15m total
  • London to Southeast Europe
Highest demand for flights based on searches. 38% potential increase in price (£60 potential increase over avg. return price).
Cheapest flight prices on average. 11% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 10 March 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

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Sat 18/4

19:00-23:00

Nonstop3h 00m

Tirana Rinas

Wed 22/4

13:25-15:55

Nonstop3h 30m

£119

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Thu 16/4

18:55-22:55

Nonstop3h 00m

Tirana Rinas

Mon 20/4

08:30-11:00

Nonstop3h 30m

£124

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Wed 3/6

20:05-01:20

Nonstop3h 15m

Bucharest Otopeni Intl

Wed 24/6

16:15-17:40

Nonstop3h 25m

£147

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Sat 29/8

16:40-20:05

Nonstop2h 25m

Split

Wed 9/9

06:15-16:10

1 stop10h 55m

£148

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Thu 30/4

06:30-22:55

1 stop15h 25m

Split

Thu 14/5

06:30-19:25

1 stop13h 55m

£154

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Thu 30/4

06:30-22:55

1 stop15h 25m

Split

Tue 12/5

13:00-19:25

1 stop7h 25m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 25/4

10:50-23:00

1 stop10h 10m

Sofia

Fri 1/5

19:25-22:40

1 stop5h 15m

£156

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Fri 1/5

19:15-23:15

Nonstop3h 00m

Tirana Rinas

Mon 4/5

08:30-11:00

Nonstop3h 30m

£157

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Wed 22/4

22:15-09:05

1 stop8h 50m

Bucharest Otopeni Intl

Fri 24/4

09:55-17:55

1 stop10h 00m

£160

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Sat 6/6

13:30-14:25

1 stop23h 55m

Tirana Rinas

Tue 9/6

15:05-12:30

1 stop22h 25m

£160

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 £41). Flying from London Heathrow Airport to Southeast Europe in July is currently the most expensive (average of £86). 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 10 March 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 22% versus a flight in the morning.

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 21 February 2026.

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

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 10 March 2026.

The most flights from LHR to zzYMH are scheduled on a Monday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

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 10 March 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.

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Crew

8.6

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

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Crew

8.6

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

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Crew

8.6

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

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Crew

8.6

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

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Crew

8.6

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

Overall

8.1

Entertainment

6.9

Comfort

7.9

Food

7.4

Boarding

7.8

Crew

8.6

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 2h 25m. British Airways provides one of the quickest options available for as low as £148. Airlines will cover a distance of 951 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 £24. However, be on the lookout for offers from Wizz Air and British Airways, 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?

  • 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 Air Canada (94%), Singapore Airlines (93%) and Aegean Airlines (90%).

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

    On average you can expect to pay £499 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £87 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £121.

  • 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 £41). Flying from London Heathrow Airport to Southeast Europe in July is currently the most expensive (average of £86). 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.

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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£28Average£102FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£32Average£56FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£32Average£132FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Wizz AirCheapest£40Average£142FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Wizz AirCheapest£43Average£134FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Air SerbiaCheapest£57Average£161FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
easyJetCheapest£68Average£227FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Sky ExpressCheapest£85Average£258FlexibilityNo cancel feeOn-timeN/A
Search Sky Express flights
Scandinavian AirlinesCheapest£96Average£208FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aegean AirlinesCheapest£100Average£237FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights

Fly with Cheapflights

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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.

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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