Question 1

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

Accepted Answer

£14 is the cheapest one-way deal found within the past few days, from Wizz Air. You may also be able to find cheap deals on Ryanair and Ryanair, with prices starting from £15 and £17, respectively.

Question 2

How far ahead should I book a flight from London to Southeast Europe?

Accepted Answer

The price you pay for your flight from London to Southeast Europe may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 3

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from London to Southeast Europe (average of £85). Flying from London to Southeast Europe in August is currently the most expensive (average of £265). 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.

Question 4

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

Accepted Answer

Travellers seeking maximum savings on their London to Southeast Europe flight should consider departing on Sunday evenings 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.

Question 5

Weekly flight availability from London to Southeast Europe

Accepted Answer

The most flights from LON to zzYMH are scheduled on a Thursday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Question 6

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

Accepted Answer

Most travelers choose London Heathrow - Athens Eleftherios V., London Stansted - Athens Eleftherios V. or London Gatwick - Athens Eleftherios V. when deciding on the best route from London to Southeast Europe.

Question 7

What are the cheapest flights from London to Southeast Europe?

Accepted Answer

While on average a flight from London to Southeast Europe is generally £473, our data shows the cheapest flight currently is £69. When looking at the most popular route, (London Heathrow - Athens Eleftherios V.), you can expect to pay £140 for that flight.

Question 8

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

Accepted Answer

No one likes to see their flight delayed. When booking a flight from London to Southeast Europe consider choosing Japan Airlines (88%), British Airways (80%) or American Airlines (79%) as they are the most reliable in getting you off to your destination on time.

Question 9

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

Accepted Answer

Before booking your flight from London to Southeast Europe check out the most popular airlines for this route: Wizz Air, easyJet or British Airways.

Question 10

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

Accepted Answer

When flying from London 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 21% versus a flight in the morning.

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

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

Accepted Answer

Yes. Cheapflights offers flight deals from London 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.

Question 14

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

Accepted Answer

When you search for this flight from London 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.

Question 15

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

Accepted Answer

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 London.

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

Yes, Cheapflights offers price alerts on London to Southeast Europe flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Popular in	August
Cheapest in	January
Average price	£132

Airline	Cheapest	Average	Flexibility	On-time
Jet2	Cheapest£34	Average£215	FlexibilityNo cancel fee	On-timeN/A	Search Jet2 flights
Wizz Air	Cheapest£40	Average£124	FlexibilityNo cancel fee	On-timeN/A	Search Wizz Air flights
Wizz Air	Cheapest£44	Average£118	FlexibilityNo cancel fee	On-time83%	Search Wizz Air flights
Aegean Airlines	Cheapest£50	Average£266	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
Air Serbia	Cheapest£57	Average£197	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
TUI Airways	Cheapest£58	Average£214	FlexibilityNo cancel fee	On-timeN/A	Search TUI Airways flights
FLYONE Romania	Cheapest£65	Average£147	FlexibilityNo cancel fee	On-timeN/A	Search FLYONE Romania flights
Sky Express	Cheapest£82	Average£229	FlexibilityNo cancel fee	On-timeN/A	Search Sky Express flights
Corendon Airlines Europe	Cheapest£90	Average£229	FlexibilityNo cancel fee	On-timeN/A	Search Corendon Airlines Europe flights
LOT	Cheapest£108	Average£237	FlexibilityNo cancel fee	On-time81%	Search LOT flights

Cheap flights from London to Southeast Europe

Find flight deals from London to Southeast Europe

Popular in

Cheapest in

Average price

Cheapflights Insights

How far ahead should I book a flight from London to Southeast Europe?

The price you pay for your flight from London to Southeast Europe may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

When flying from London 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 21% versus a flight in the morning.

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

Travellers seeking maximum savings on their London to Southeast Europe flight should consider departing on Sunday evenings 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 to Southeast Europe

The most flights from LON to zzYMH are scheduled on a Thursday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Southeast Europe

Read reviews from past customers who have flown with Ryanair,easyJet, andBritish Airways from London to Southeast Europe. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

What are the cheapest flights from London to Southeast Europe?

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

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

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

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

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 London to Southeast Europe

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

Complete your trip

Complete your trip to Southeast Europe by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from London to Southeast Europe by cabin class

Find flights from London to Southeast Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Southeast Europe flights

Browse other London and Southeast Europe flight options. Last updated on 25 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Southeast Europe flights

Consider these flights travelling from London to Southeast Europe.

Top 10 airlines flying from London to Southeast Europe

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart