Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Southeast Europe to London Heathrow Airport from £33

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — LHR
17 Apr — 24 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southeast Europe to Heathrow

Enter your travel dates to find the best prices.

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 18 March 2026.

Thu 12/1116:35
OTP
-
LHR
Nonstop3h 30m
British Airways
Sun 15/1109:50
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 18/3£104
Fri 27/319:10
ATH
-
LHR
Nonstop4h 05m
Aegean Airlines
Sun 12/416:35
LHR
-
ATH
Nonstop3h 40m
Aegean Airlines
Deal found 17/3£109
Wed 25/316:00
ATH
-
LHR
Nonstop3h 55m
Aegean Airlines
Sun 5/416:35
LHR
-
ATH
Nonstop3h 40m
Aegean Airlines
Deal found 16/3£110
Wed 1/421:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Sun 12/414:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 14/3£113
Tue 28/413:00
TIA
-
LHR
1 stop8h 05m
Multiple Airlines
Tue 5/520:50
LHR
-
TIA
1 stop27h 05m
Multiple Airlines
Deal found 13/3£113
Wed 1/408:15
OTP
-
LHR
Nonstop3h 45m
British Airways
Mon 20/419:35
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 17/3£113
Sat 2/520:50
ZAG
-
LHR
Nonstop2h 25m
British Airways
Sun 3/506:25
LHR
-
ZAG
Nonstop2h 25m
British Airways
Deal found 16/3£114
Fri 1/513:40
ZAG
-
LHR
Nonstop2h 40m
British Airways
Sun 3/506:25
LHR
-
ZAG
Nonstop2h 25m
British Airways
Deal found 14/3£117
Sun 29/321:05
SOF
-
LHR
Nonstop3h 20m
British Airways
Mon 6/414:05
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 14/3£118
Thu 23/413:25
TIA
-
LHR
Nonstop3h 30m
British Airways
Mon 27/419:05
LHR
-
TIA
Nonstop3h 00m
British Airways
Deal found 13/3£119
Mon 30/320:10
SOF
-
LHR
Nonstop3h 20m
British Airways
Mon 6/414:05
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 17/3£119
Sat 6/620:00
OTP
-
LHR
Nonstop3h 20m
British Airways
Fri 12/620:05
LHR
-
OTP
Nonstop3h 15m
British Airways
Deal found 16/3£120

Find 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 18 March 2026.

Round-trip from

£113

One-way from

£33

Popular in

July

Cheapest in

February

Average price

£119
British Airways
  • British Airways
  • 1/4-12/4
  • Nonstop
  • 6h 35m total
  • Southeast Europe to London
Search Deals
Aegean Airlines
  • Aegean Airlines
  • 25/3
  • Nonstop
  • 3h 55m total
  • Southeast Europe to London
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southeast Europe to Heathrow 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 18 March 2026.
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

Cheapest return flight

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 13/6

20:00-21:20

Nonstop3h 20m

London Heathrow

Fri 19/6

20:05-01:20

Nonstop3h 15m

£120

TiranaLondon

TIA - LHR

TIALHR

Tirana Rinas

Sat 18/4

18:55-21:05

Nonstop3h 10m

London Heathrow

Fri 24/4

19:15-23:15

Nonstop3h 00m

£124

TiranaLondon

TIA - LHR

TIALHR

Tirana Rinas

Thu 16/4

07:05-09:35

Nonstop3h 30m

London Heathrow

Tue 21/4

19:20-23:20

Nonstop3h 00m

£125

Cluj NapocaLondon

CLJ - LHR

CLJLHR

Cluj Napoca

Tue 31/3

14:00-17:10

1 stop5h 10m

London Heathrow

Sun 5/4

18:10-17:30

1 stop21h 20m

£128

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 16/5

20:00-21:20

Nonstop3h 20m

London Heathrow

Sun 17/5

19:05-00:20

Nonstop3h 15m

£130

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/4

05:00-19:05

1 stop16h 05m

London Heathrow

Sun 17/5

19:25-15:35

1 stop18h 10m

£133

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 7/5

16:05-12:30

1 stop22h 25m

London Heathrow

Wed 13/5

13:30-15:35

1 stop24h 05m

£134

TiranaLondon

TIA - LHR

TIALHR

Tirana Rinas

Sat 18/4

04:00-19:05

1 stop16h 05m

London Heathrow

Fri 24/4

13:30-02:05

1 stop11h 35m

£142

TiranaLondon

TIA - LHR

TIALHR

Tirana Rinas

Fri 1/5

07:00-09:30

Nonstop3h 30m

London Heathrow

Thu 7/5

18:55-22:55

Nonstop3h 00m

£142

ThessalonikiLondon

SKG - LHR

SKGLHR

Thessaloniki Makedonia

Fri 8/5

19:05-22:40

1 stop5h 35m

London Heathrow

Tue 19/5

07:25-16:15

1 stop6h 50m

£143

Flights are sorted by cheapest return flights first.

Deals found on 16/3

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

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, July is the cheapest month in which you can book a flight from Southeast Europe to London Heathrow Airport (average of £43). Flying from Southeast Europe to London Heathrow Airport in June is currently the most expensive (average of £114). 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?

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 18 March 2026.

It’s optimal to fly from Southeast Europe to London Heathrow Airport in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight at midday.

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

Use this chart to determine the cheapest time to fly return from Southeast Europe to Heathrow. Price data was last updated on 14 March 2026.

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

Weekly flight availability from Southeast Europe to London Heathrow Airport

Explore weekly flight availability from Southeast Europe to Heathrow. 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 18 March 2026.

The most flights from zzYMH to LHR are scheduled on a Monday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 18 March 2026.
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
857 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

6.9

Crew

8.6

Boarding

7.8

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
857 reviews
Aegean Airlines
8.1
Very Good
857 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

6.9

Crew

8.6

Boarding

7.8

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
7,858 reviews
Aegean Airlines
8.1
Very Good
857 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

6.9

Crew

8.6

Boarding

7.8

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
7,799 reviews
Aegean Airlines
8.1
Very Good
857 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

6.9

Crew

8.6

Boarding

7.8

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
215 reviews
Aegean Airlines
8.1
Very Good
857 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

6.9

Crew

8.6

Boarding

7.8

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 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?

    For as low as £120, British Airways can have you in London Heathrow Airport from Southeast Europe in 3h 20m. 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 £29 on Wizz Air. Other airlines that offer cheap prices include Air Serbia from £41 and British Airways from £46 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 Sofia - 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: Japan Airlines (98%), Singapore Airlines (95%), Air Canada (93%).

  • 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 £158, our data shows the cheapest flight currently is £67. When looking at the most popular route, (Athens Eleftherios V. - London Heathrow), you can expect to pay £134 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, July is the cheapest month in which you can book a flight from Southeast Europe to London Heathrow Airport (average of £43). Flying from Southeast Europe to London Heathrow Airport in June is currently the most expensive (average of £114). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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.
Charles de Gaulle to Luton flights
Charles de Gaulle to Gatwick flights
Duesseldorf Intl to Stansted flights
Charles de Gaulle to Heathrow flights
Charles de Gaulle to London City flights
Duesseldorf Intl to Luton flights
Duesseldorf Intl to Heathrow flights
Beauvais-Tille to Stansted flights
Orly to Heathrow flights
Charles de Gaulle to Southend flights
Vienna to Gatwick flights
Vienna to London City flights
Frankfurt to Luton flights
Vienna to Heathrow flights
Madrid to Gatwick flights
Duesseldorf Intl to London City flights
Madrid to Heathrow flights
Frederic Chopin to Luton flights
Beauvais-Tille to Gatwick flights
Vienna to Stansted flights
Frankfurt to Heathrow flights
Orly to Luton flights
Frederic Chopin to Stansted flights
Orly to Gatwick flights
Vienna to Luton flights
Amsterdam to Luton flights
Cologne to Gatwick flights
Zurich to Gatwick flights
Madrid to London City flights
Malpensa to Gatwick flights
Madrid to Luton flights
Leonardo da Vinci/Fiumicino to Gatwick flights
Madrid to Stansted flights
Orly to London City flights
Munich to Gatwick flights
Duesseldorf Intl to Gatwick flights
Lyon to Gatwick flights
Linate to London City flights
Frederic Chopin to Gatwick flights
Barcelona-El Prat to Luton flights
Berlin to Gatwick flights
Bruxelles-National to Gatwick flights
Madrid to Southend flights
Amsterdam to Gatwick flights
Malpensa to London City flights
Amsterdam to Stansted flights
Oslo Gardermoen to Luton flights
Bruxelles-National to Luton flights
Zurich to London City flights
Oslo Gardermoen to Heathrow flights

Top 6 airlines flying from Southeast Europe to Heathrow

Discover the top 6 airlines that operate flights from Southeast Europe to Heathrow. 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest£43Average£182FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Aegean AirlinesCheapest£86Average£212FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
British AirwaysCheapest£89Average£217FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Bulgaria AirCheapest£96Average£200FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
LOTCheapest£126Average£187FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£275Average£304FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 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.