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Cheap flights from London Heathrow Airport to Southeast Europe from £63

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ATH
6 May — 13 May1
1 adult

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 1 May 2025.

Round-trip from

£117

One-way from

£63

Popular in

August

Cheapest in

January

Average price

£177
British Airways
  • British Airways
  • 12/10-27/11
  • Nonstop
  • 7h 05m total
  • London to Southeast Europe
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 20h 30m total
  • London to Southeast Europe
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 1 May 2025.

Wed 29/1017:55LHR - OTP
Nonstop3h 10mBritish Airways
Wed 12/1115:35OTP - LHR
Nonstop3h 40mBritish Airways
Deal found 30/4£101
Mon 2/606:40LHR - ATH
1 stop10h 10mScandinavian Airlines
Thu 12/611:30ATH - LHR
1 stop11h 50mScandinavian Airlines
Deal found 29/4£129
Sat 11/1022:15LHR - ATH
Nonstop3h 35mAegean Airlines
Tue 21/1019:20ATH - LHR
Nonstop3h 50mAegean Airlines
Deal found 30/4£129
Tue 9/920:30LHR - ATH
Nonstop3h 40mMultiple Airlines
Sun 14/904:30ATH - LHR
1 stop16h 10mMultiple Airlines
Deal found 30/4£131
Fri 7/1119:00LHR - OTP
1 stop13h 00mMultiple Airlines
Sun 9/1115:55OTP - LHR
Nonstop3h 40mMultiple Airlines
Deal found 30/4£132
Tue 17/615:00LHR - CFU
Nonstop3h 25mBritish Airways
Fri 20/619:35CFU - LHR
Nonstop3h 20mBritish Airways
Deal found 1/5£133
Sat 27/916:40LHR - SPU
Nonstop2h 25mCroatia Airlines
Tue 30/919:45SPU - LHR
1 stop21h 25mCroatia Airlines
Deal found 30/4£135
Sat 27/907:45LHR - TIA
1 stop14h 25mMultiple Airlines
Sat 11/1015:05TIA - LHR
1 stop5h 00mMultiple Airlines
Deal found 30/4£137
Sat 7/606:40LHR - SPU
1 stop11h 05mMultiple Airlines
Wed 11/615:20SPU - LHR
1 stop22h 10mMultiple Airlines
Deal found 30/4£140
Fri 30/513:30LHR - TIA
1 stop11h 30mAir Serbia
Fri 6/604:00TIA - LHR
1 stop9h 30mAir Serbia
Deal found 30/4£143
Tue 24/613:30LHR - SPU
1 stop24h 05mAir Serbia
Thu 26/615:20SPU - LHR
1 stop22h 10mAir Serbia
Deal found 30/4£143
Sun 18/519:25LHR - OTP
1 stop5h 40mAir Serbia
Tue 27/516:05OTP - LHR
1 stop22h 25mAir Serbia
Deal found 1/5£147

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 1 May 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Southeast Europe that are best for you.

Fly from

Heathrow

Fly to

Southeast Europe

Route

Depart

Return

Price

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Sun 12/10

19:10-00:30

Nonstop3h 20m

Bucharest Otopeni Intl

Thu 27/11

16:40-18:25

Nonstop3h 45m

£117

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Mon 2/6

06:40-18:50

1 stop10h 10m

Athens Eleftherios V.

Thu 12/6

11:30-21:20

1 stop11h 50m

£129

LondonBucharest

LHR - OTP

LHROTP

London Heathrow

Sun 12/10

22:15-09:05

1 stop8h 50m

Bucharest Otopeni Intl

Thu 27/11

16:40-18:25

Nonstop3h 45m

£133

LondonCorfu

LHR - CFU

LHRCFU

London Heathrow

Tue 17/6

15:00-20:25

Nonstop3h 25m

Corfu Ioannis Kapodistrias

Fri 20/6

19:35-20:55

Nonstop3h 20m

£134

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Sat 27/9

16:40-20:05

Nonstop2h 25m

Split

Tue 30/9

19:45-16:10

1 stop21h 25m

£135

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Sat 27/9

07:45-23:10

1 stop14h 25m

Tirana Rinas

Sat 11/10

15:05-19:05

1 stop5h 00m

£137

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Sat 7/6

06:40-18:45

1 stop11h 05m

Split

Wed 11/6

15:20-12:30

1 stop22h 10m

£140

LondonAthens

LHR - ATH

LHRATH

London Heathrow

Wed 14/5

22:15-03:50

Nonstop3h 35m

Athens Eleftherios V.

Sat 17/5

20:35-22:30

Nonstop3h 55m

£141

LondonTirana

LHR - TIA

LHRTIA

London Heathrow

Fri 30/5

13:30-02:00

1 stop11h 30m

Tirana Rinas

Fri 6/6

04:00-12:30

1 stop9h 30m

£143

LondonSplit

LHR - SPU

LHRSPU

London Heathrow

Tue 24/6

13:30-14:35

1 stop24h 05m

Split

Thu 26/6

15:20-12:30

1 stop22h 10m

£143

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 60 results
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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, 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?

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 1 May 2025.

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

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 1 May 2025.

The most flights from LHR to zzYMH are scheduled on a Wednesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Southeast Europe by month

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

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

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 1 May 2025.
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
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.8

Crew

8.6

Boarding

7.8

Entertainment

6.9

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
739 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.8

Crew

8.6

Boarding

7.8

Entertainment

6.9

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
1,334 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.8

Crew

8.6

Boarding

7.8

Entertainment

6.9

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
1,069 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.8

Crew

8.6

Boarding

7.8

Entertainment

6.9

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
780 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.8

Crew

8.6

Boarding

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,588 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.8

Crew

8.6

Boarding

7.8

Entertainment

6.9

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

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?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £64. However, be on the lookout for offers from Croatia 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 Singapore Airlines (88%), Air Canada (85%) and Aegean Airlines (83%).

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

    On average you can expect to pay £528 for a flight from London Heathrow Airport to Southeast Europe. The cheapest flight overall is £70 while the most popular route, (London Heathrow - Athens Eleftherios V.) is currently priced at £126.

  • 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

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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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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 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£14Average£76FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£15Average£101FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£27Average£131FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Wizz AirCheapest£41Average£118FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£44Average£144FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
easyJetCheapest£51Average£199FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Sky ExpressCheapest£81Average£236FlexibilityNo cancel feeOn-timeN/A
Search Sky Express flights
Air SerbiaCheapest£83Average£179FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Croatia AirlinesCheapest£112Average£223FlexibilityNo cancel feeOn-time81%
Search Croatia Airlines flights
TAROMCheapest£122Average£200FlexibilityNo cancel feeOn-time86%
Search TAROM 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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