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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 22/5. 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
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

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 24 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Thu 7/5

19:40-21:10

Nonstop3h 30m

London Luton

Sun 17/5

21:10-02:40

Nonstop3h 30m

£56

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Thu 7/5

15:40-17:10

Nonstop3h 30m

London Luton

Wed 13/5

14:05-19:25

Nonstop3h 20m

£59

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Sat 2/5

19:40-21:05

Nonstop3h 25m

London Luton

Mon 11/5

08:55-14:15

Nonstop3h 20m

£63

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Sat 9/5

05:55-07:15

Nonstop3h 20m

London Luton

Mon 18/5

08:55-14:15

Nonstop3h 20m

£64

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Tue 5/5

05:55-07:15

Nonstop3h 20m

London Luton

Sun 17/5

21:10-02:40

Nonstop3h 30m

£64
Fastest return journey

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Tue 26/5

22:35-23:55

Nonstop3h 20m

London Stansted

Sat 30/5

17:25-22:35

Nonstop3h 10m

£67

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Mon 11/5

22:35-12:25

1 stop15h 50m

London Stansted

Thu 14/5

19:30-09:45

1 stop12h 15m

£82

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Wed 13/5

23:15-01:15

Nonstop4h 00m

London Luton

Thu 14/5

15:15-09:15

2 stops16h 00m

£83

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Sat 2/5

13:00-15:15

Nonstop4h 15m

London Luton

Fri 8/5

21:50-09:15

1 stop9h 25m

£83

AthensLondon

ATH - LTN

ATHLTN

Athens Eleftherios V.

Sat 23/5

13:00-15:15

Nonstop4h 15m

London Luton

Sun 31/5

21:50-09:15

1 stop9h 25m

£84

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 £43). Flying from Southeast Europe in June will prove the most costly (average of £114). 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 23 March 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 Tuesday 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, Lufthansa, Air Serbia, Bulgaria Air. These airlines fly to the following popular destinations: London.

Wizz Air
Wizz Air
From £13
Turkish Airlines
Turkish Airlines
From £50
Ryanair
Ryanair
From £12
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
858 reviews
Check prices

Comfort

7.8

Boarding

7.8

Food

7.4

Crew

8.6

Entertainment

6.9

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
858 reviews
Aegean Airlines
8.1
Very Good
858 reviews
Check prices

Comfort

7.8

Boarding

7.8

Food

7.4

Crew

8.6

Entertainment

6.9

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
7,864 reviews
Aegean Airlines
8.1
Very Good
858 reviews
Check prices

Comfort

7.8

Boarding

7.8

Food

7.4

Crew

8.6

Entertainment

6.9

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
7,813 reviews
Aegean Airlines
8.1
Very Good
858 reviews
Check prices

Comfort

7.8

Boarding

7.8

Food

7.4

Crew

8.6

Entertainment

6.9

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
216 reviews
Aegean Airlines
8.1
Very Good
858 reviews
Check prices

Comfort

7.8

Boarding

7.8

Food

7.4

Crew

8.6

Entertainment

6.9

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

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 24 March 2026.

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

    Dublin airport offers the cheapest routes to Belfast, from £14; whereas Oslo Sandefjord airport is typically cheaper if you're flying to London, from £22. 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 Dublin to Edinburgh from £14 round trip
    Travel from Oslo to Manchester from £22 round trip
    Travel from London to Gdansk from £22 round trip
    Travel from London to Málaga from £25 round trip
    Travel from London to Milan from £26 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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