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£20+ Cheap flights from Southeast Europe

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. Click the price to replicate the search for this deal.
ATH — LHR
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from Southeast Europe

Enter your travel dates to find the best prices.

Cheapest flights from Southeast Europe
Explore the most affordable flight options available from Southeast Europe. Find the lowest fares based on data from user searches, with prices last updated on 26 February 2026.

Thu 23/418:20
OTP
-
STN
Nonstop3h 20m
Ryanair
Mon 27/418:00
STN
-
OTP
Nonstop3h 10m
Ryanair
Deal found 23/2£38
Thu 12/322:50
OTP
-
STN
Nonstop3h 25m
Ryanair
Sun 15/318:40
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 26/2£39
Fri 13/322:40
OTP
-
STN
Nonstop3h 25m
Ryanair
Sun 15/318:40
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 26/2£40
Fri 13/322:40
OTP
-
STN
Nonstop3h 25m
Ryanair
Tue 17/314:30
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 24/2£41
Sun 22/305:45
OTP
-
STN
Nonstop3h 25m
Ryanair
Wed 25/312:25
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 23/2£41
Thu 12/322:50
OTP
-
STN
Nonstop3h 25m
Ryanair
Thu 19/306:20
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 25/2£42
Fri 13/322:40
OTP
-
STN
Nonstop3h 25m
Ryanair
Thu 19/317:00
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 26/2£43
Tue 17/311:45
OTP
-
STN
Nonstop3h 25m
Ryanair
Mon 23/307:45
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 24/2£44
Wed 18/314:05
OTP
-
STN
Nonstop3h 25m
Ryanair
Tue 24/317:00
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 24/2£44
Fri 13/322:40
OTP
-
STN
Nonstop3h 25m
Ryanair
Sat 21/315:10
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 25/2£45
Tue 17/311:45
OTP
-
STN
Nonstop3h 25m
Ryanair
Fri 20/319:50
STN
-
OTP
Nonstop3h 25m
Ryanair
Deal found 24/2£46
Sat 25/419:45
ATH
-
LTN
Nonstop3h 55m
Multiple Airlines
Tue 28/406:20
LTN
-
ATH
Nonstop4h 00m
Multiple Airlines
Deal found 22/2£55

Find flights from Southeast Europe within your budget

 
Find flights departing from Southeast Europe that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 26 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Thu 30/4

13:00-15:00

Nonstop4h 00m

London Luton

Sun 3/5

06:20-12:20

Nonstop4h 00m

£66

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Thu 23/4

13:00-15:00

Nonstop4h 00m

London Luton

Thu 30/4

06:20-12:20

Nonstop4h 00m

£85

SofiaLondon

SOF - LGW

SOFLGW

Sofia

Wed 11/3

20:20-21:55

Nonstop3h 35m

London Gatwick

Mon 23/3

14:25-19:35

Nonstop3h 10m

£95

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Sat 13/6

22:00-06:50

1 stop10h 50m

London Stansted

Sat 20/6

20:30-13:35

1 stop15h 05m

£103

SofiaLondon

SOF - LGW

SOFLGW

Sofia

Tue 10/3

20:20-22:00

Nonstop3h 40m

London Gatwick

Sun 15/3

06:50-11:55

Nonstop3h 05m

£106

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Fri 13/3

20:20-21:50

Nonstop3h 30m

London Heathrow

Sat 21/3

18:10-23:25

Nonstop3h 15m

£106

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Fri 3/4

10:40-23:05

1 stop14h 25m

London Luton

Sun 12/4

07:20-16:20

1 stop7h 00m

£112

SofiaLondon

SOF - LGW

SOFLGW

Sofia

Thu 12/3

20:25-22:00

Nonstop3h 35m

London Gatwick

Wed 18/3

14:25-19:35

Nonstop3h 10m

£113

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Fri 27/3

22:55-01:00

Nonstop4h 05m

London Luton

Sun 5/4

13:05-09:35

2 stops18h 30m

£114

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Fri 27/3

22:55-01:00

Nonstop4h 05m

London Luton

Tue 31/3

19:50-09:15

1 stop11h 25m

£114

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Southeast Europe

Have a flexible travel schedule? Discover the best time to fly 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.

Travel insights for flights from Southeast Europe

Get recent, data-driven insights about flights from Southeast Europe including ideal travel times, pricing trends, and more.

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

Currently, July is the cheapest month in which you can book a flight from Southeast Europe (average of £42). Flying from Southeast Europe in June will prove the most costly (average of £121). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Southeast Europe?

Use this chart to determine the cheapest time to fly return from Southeast Europe to Heathrow. Price data was last updated on 21 February 2026.

Those who are seeking the cheapest fare on flights departing from Southeast Europe would be wise to consider leaving during Sunday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday at midday when fares are usually the most expensive.

Which airlines fly from Southeast Europe?

Many airlines operate round-trip flights from Southeast Europe: British Airways, Aegean Airlines, Air Serbia, Lufthansa, Bulgaria Air. These airlines fly to the following popular destinations: London.

Wizz Air
Wizz Air
From £13
Ryanair
Ryanair
From £12
Turkish Airlines
Turkish Airlines
From £50
Wizz Air
Wizz Air
From £29

Airline reviews for flights from Southeast Europe

Get insights into the airlines that provide service from 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 airline for your flight from Southeast Europe. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown Aegean Airlines, Lufthansa, andBritish Airways from 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
854 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

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

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

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
Lufthansa
6.8
Okay
7,812 reviews
Aegean Airlines
8.1
Very Good
854 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

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
British Airways
6.7
Okay
7,768 reviews
Aegean Airlines
8.1
Very Good
854 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

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
Air Serbia
6.1
Okay
215 reviews
Aegean Airlines
8.1
Very Good
854 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.1

Entertainment

6.9

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

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

Access useful and relevant information related to your journey from Southeast Europe. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 26 February 2026.

  • What is the cheapest airport to fly out of Southeast Europe?

    Oslo Sandefjord airport offers the cheapest routes to London, from £24; whereas Oslo Gardermoen airport is typically cheaper if you're flying to Edinburgh, from £24. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Southeast Europe?

    At the present moment the cheapest month to fly from Southeast Europe is currently July; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Southeast Europe?

    Check out the cheapest flights from Southeast Europe to embark to:
    Travel from Oslo to Manchester from £24 round trip
    Travel from Birmingham to Barcelona from £24 round trip
    Travel from Poznan to London from £24 round trip
    Travel from London to Gdansk from £24 round trip
    Travel from London to Lyon from £25 round trip

  • How does Cheapflights help users find flights from Southeast Europe?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southeast Europe. 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?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Southeast Europe.

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

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Southeast Europe flexibly with Cheapflights today.

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

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Southeast Europe today and book when you’re ready!

See more FAQs

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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southeast Europe. 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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Southeast Europe.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southeast Europe flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Southeast Europe today and book when you’re ready!

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