Cheap flights from Southeast Europe to London from £37

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — LON
9 Nov — 16 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Southeast Europe to London

Keep the following information in mind while searching for Southeast Europe to London flight deals. Data was last updated 10 October 2025.

Round-trip from

£45

One-way from

£37

Popular in

July

Cheapest in

March

Average price

£119
Ryanair
  • Ryanair
  • 21/11-23/11
  • Nonstop
  • 6h 50m total
  • Southeast Europe to London
Wizz Air
  • Wizz Air
  • 25/11
  • 1 total stop
  • 16h 10m total
  • Southeast Europe to London
Highest demand for flights based on searches. 19% potential increase in price (£20 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find flight deals from Southeast Europe to London

Enter your travel dates to find the best prices.

Cheapest flights from Southeast Europe to London
Explore the most affordable flight options available from Southeast Europe to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.

Fri 21/1111:45OTP - STN
Nonstop3h 25mRyanair
Mon 24/1115:55STN - OTP
Nonstop3h 25mRyanair
Deal found 9/10£45
Thu 6/1115:35OTP - LTN
Nonstop3h 35mWizz Air
Mon 10/1109:25LTN - OTP
Nonstop3h 20mWizz Air
Deal found 10/10£45
Thu 6/1107:10OTP - LTN
Nonstop3h 35mWizz Air
Thu 13/1121:55LTN - OTP
Nonstop3h 20mWizz Air
Deal found 9/10£46
Wed 19/1121:05OTP - STN
Nonstop3h 25mRyanair
Thu 27/1117:00STN - OTP
Nonstop3h 25mRyanair
Deal found 10/10£47
Tue 25/1111:45OTP - STN
Nonstop3h 25mRyanair
Sat 29/1115:10STN - OTP
Nonstop3h 25mRyanair
Deal found 10/10£48
Mon 10/1105:50OTP - LTN
Nonstop3h 35mWizz Air
Sat 15/1117:50LTN - OTP
Nonstop3h 20mWizz Air
Deal found 10/10£48
Sun 9/1105:45OTP - STN
Nonstop3h 25mRyanair
Sun 16/1116:00STN - OTP
Nonstop3h 25mRyanair
Deal found 10/10£49
Wed 19/1105:50OTP - LTN
Nonstop3h 35mWizz Air
Thu 27/1114:10LTN - OTP
Nonstop3h 20mWizz Air
Deal found 10/10£49
Fri 14/1119:40OTP - LTN
Nonstop3h 35mWizz Air
Sun 16/1109:25LTN - OTP
Nonstop3h 20mWizz Air
Deal found 10/10£50
Sun 16/1105:45OTP - STN
Nonstop3h 25mRyanair
Mon 24/1117:00STN - OTP
Nonstop3h 25mRyanair
Deal found 10/10£50
Sun 23/1105:45OTP - STN
Nonstop3h 25mRyanair
Sun 30/1105:55STN - OTP
Nonstop3h 25mRyanair
Deal found 9/10£51
Mon 24/1121:45OTP - STN
Nonstop3h 25mRyanair
Mon 1/1205:55STN - OTP
Nonstop3h 25mRyanair
Deal found 10/10£52

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southeast Europe to London 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 10 October 2025.
Use the filters below to find and compare flights from Southeast Europe to London that are best for you.

Fly from

Southeast Europe

Fly to

London

Route

Depart

Return

Price

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Wed 10/12

14:05-15:30

Nonstop3h 25m

London Stansted

Thu 8/1

17:00-22:25

Nonstop3h 25m

£45

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Wed 26/11

11:55-13:25

Nonstop3h 30m

London Luton

Sat 29/11

17:50-23:10

Nonstop3h 20m

£46

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Sun 9/11

05:45-07:10

Nonstop3h 25m

London Stansted

Tue 11/11

05:55-11:20

Nonstop3h 25m

£49

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Mon 10/11

22:50-00:15

Nonstop3h 25m

London Stansted

Sat 15/11

15:10-20:35

Nonstop3h 25m

£49

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Thu 4/12

11:55-13:30

Nonstop3h 35m

London Luton

Sat 6/12

23:35-04:55

Nonstop3h 20m

£50

BucharestLondon

OTP - STN

OTPSTN

Bucharest Otopeni Intl

Sun 30/11

05:45-07:10

Nonstop3h 25m

London Stansted

Sun 30/11

16:00-21:25

Nonstop3h 25m

£50

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Fri 14/11

15:35-17:10

Nonstop3h 35m

London Luton

Sun 16/11

09:25-14:45

Nonstop3h 20m

£51

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Sun 16/11

07:10-08:45

Nonstop3h 35m

London Luton

Mon 24/11

21:55-03:15

Nonstop3h 20m

£51

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Tue 2/12

15:35-17:10

Nonstop3h 35m

London Luton

Thu 4/12

14:10-19:30

Nonstop3h 20m

£52

BucharestLondon

OTP - LTN

OTPLTN

Bucharest Otopeni Intl

Mon 24/11

15:35-17:10

Nonstop3h 35m

London Luton

Wed 26/11

21:55-03:15

Nonstop3h 20m

£52

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Southeast Europe to London

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

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

Currently, February is the cheapest month in which you can book a flight from Southeast Europe to London (average of £11). Flying from Southeast Europe to London in June is currently the most expensive (average of £46). 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 LON?

Find hourly flight availability from Southeast Europe to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 October 2025.

It’s typically best to fly out from Southeast Europe to London in the evening. Doing so could potentially save you 40% on the flight price compared to flying at midday, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Southeast Europe to London. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Southeast Europe to London flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday 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

Explore weekly flight availability from Southeast Europe to London. 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 10 October 2025.

The most flights from zzYMH to LON are scheduled on a Friday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 10 October 2025.
See what other customers who have flown with Ryanair, Wizz Air, andWizz Air from Southeast Europe to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

7.5

Overall

6.8

Food

6.0

Entertainment

5.6

Comfort

6.5

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

Crew

7.5

Overall

6.8

Food

6.0

Entertainment

5.6

Comfort

6.5

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

Crew

7.5

Overall

6.8

Food

6.0

Entertainment

5.6

Comfort

6.5

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

Crew

7.5

Overall

6.8

Food

6.0

Entertainment

5.6

Comfort

6.5

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

Crew

7.5

Overall

6.8

Food

6.0

Entertainment

5.6

Comfort

6.5

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

Crew

7.5

Overall

6.8

Food

6.0

Entertainment

5.6

Comfort

6.5

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

Related info for your journey

Find useful and relevant information for your journey from Southeast Europe to London. 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?

    Departing from Southeast Europe to London will take you 3h 25m. The distance between Southeast Europe and London is about 1284 mi. All flights are typically direct.

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

    £40 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 British Airways, with prices starting from £41 and £47, respectively.

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

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

    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 on time: Air Canada (83%), Aegean Airlines (74%), Singapore Airlines (72%).

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

    On average you can expect to pay £335 for a flight from Southeast Europe to London. The cheapest flight overall is £72 while the most popular route, (Bucharest Otopeni Intl - London Luton) is currently priced at £44.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southeast Europe to London 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?

    Currently, February is the cheapest month in which you can book a flight from Southeast Europe to London (average of £11). Flying from Southeast Europe to London in June is currently the most expensive (average of £46). 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?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Romford
Ipswich
Brentford
Dartford
Guildford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southeast Europe to London

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

Top 10 airlines flying from Southeast Europe to London

Discover the top 10 airlines that operate flights from Southeast Europe to London. 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 10 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£23Average£91FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£28Average£124FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£29Average£98FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£41Average£89FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£42Average£129FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£55Average£156FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Air SerbiaCheapest£93Average£173FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Aegean AirlinesCheapest£98Average£198FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
British AirwaysCheapest£99Average£183FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Croatia AirlinesCheapest£112Average£253FlexibilityNo cancel feeOn-time81%
Search Croatia Airlines 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 London?

Deals for Southeast Europe to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to London from Southeast Europe by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southeast Europe to London, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Southeast Europe to London 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.

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