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Cheap flights from London to Southeast Europe from £26

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ATH
30 Mar — 6 Apr1
1 adult

Cheap flight deals from London to Southeast Europe

Keep the following information in mind while searching for London to Southeast Europe flight deals. Data was last updated 25 March 2025.

Round-trip from

£46

One-way from

£26

Popular in

August

Cheapest in

January

Average price

£105
Ryanair
  • Ryanair
  • 3/6-5/6
  • Nonstop
  • 6h 35m total
  • London to Southeast Europe
Ryanair
  • Ryanair
  • 28/4
  • Nonstop
  • 3h 10m total
  • London to Southeast Europe
Highest demand for flights based on searches. 27% potential increase in price (£47 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from London to Southeast Europe

Cheapest flights from London to Southeast Europe
Explore the most affordable flight options available from London to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Tue 3/620:05STN - OTP
Nonstop3h 10mRyanair
Thu 5/623:30OTP - STN
Nonstop3h 25mRyanair
Deal found 24/3£46
Mon 12/506:35LTN - ATH
Nonstop3h 45mMultiple Airlines
Tue 20/514:00ATH - LTN
Nonstop4h 05mMultiple Airlines
Deal found 24/3£59
Tue 6/507:10LGW - ATH
Nonstop3h 50mWizz Air
Tue 20/513:55ATH - LGW
Nonstop3h 55mWizz Air
Deal found 24/3£60
Tue 6/507:10LTN - ATH
Nonstop4h 00mWizz Air
Tue 20/514:00ATH - LTN
Nonstop4h 05mWizz Air
Deal found 25/3£62
Tue 20/521:35STN - OTP
1 stop11h 25mMultiple Airlines
Wed 21/519:35OTP - STN
1 stop21h 05mMultiple Airlines
Deal found 25/3£66
Sat 26/406:45STN - ATH
Nonstop3h 35mRyanair
Thu 1/521:50ATH - STN
Nonstop3h 50mRyanair
Deal found 25/3£67
Sun 11/515:45LTN - ATH
Nonstop3h 45mRyanair
Sun 18/521:55ATH - LTN
Nonstop3h 55mRyanair
Deal found 25/3£70
Fri 25/418:25LGW - ATH
Nonstop3h 40mMultiple Airlines
Thu 15/513:55ATH - LGW
Nonstop3h 55mMultiple Airlines
Deal found 25/3£77
Thu 1/505:55LGW - SPU
Nonstop2h 35measyJet
Thu 22/510:25SPU - LGW
Nonstop2h 45measyJet
Deal found 24/3£83
Tue 1/420:00STN - ATH
1 stop23h 15mMultiple Airlines
Thu 3/421:50ATH - STN
Nonstop3h 50mMultiple Airlines
Deal found 25/3£90
Mon 23/621:20LGW - SPU
1 stop15h 05mMultiple Airlines
Wed 25/620:55SPU - LGW
Nonstop2h 40mMultiple Airlines
Deal found 25/3£90
Tue 6/519:25LTN - ATH
1 stop11h 55mWizz Air
Thu 15/510:05ATH - LTN
1 stop23h 40mWizz Air
Deal found 24/3£104

Cheapflights Fare Finder

Customise your flight search to find flights from London to Southeast Europe 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 25 March 2025.
Use the filters below to find and compare flights from London to Southeast Europe that are best for you.

Fly from

London

Fly to

Southeast Europe

Route

Depart

Return

Price

LondonBucharest

STN - OTP

STNOTP

London Stansted

Tue 3/6

20:05-01:15

Nonstop3h 10m

Bucharest Otopeni Intl

Thu 5/6

23:30-00:55

Nonstop3h 25m

£46

LondonAthens

LTN - ATH

LTNATH

London Luton

Mon 12/5

06:35-12:20

Nonstop3h 45m

Athens Eleftherios V.

Tue 20/5

14:00-16:05

Nonstop4h 05m

£59

LondonAthens

LGW - ATH

LGWATH

London Gatwick

Tue 6/5

07:10-13:00

Nonstop3h 50m

Athens Eleftherios V.

Tue 20/5

13:55-15:50

Nonstop3h 55m

£60

LondonAthens

LTN - ATH

LTNATH

London Luton

Tue 6/5

07:10-13:10

Nonstop4h 00m

Athens Eleftherios V.

Tue 20/5

14:00-16:05

Nonstop4h 05m

£62

LondonBucharest

STN - OTP

STNOTP

London Stansted

Tue 20/5

21:35-11:00

1 stop11h 25m

Bucharest Otopeni Intl

Wed 21/5

19:35-14:40

1 stop21h 05m

£66

LondonAthens

STN - ATH

STNATH

London Stansted

Sat 26/4

06:45-12:20

Nonstop3h 35m

Athens Eleftherios V.

Thu 1/5

21:50-23:40

Nonstop3h 50m

£67

LondonAthens

LTN - ATH

LTNATH

London Luton

Sun 11/5

15:45-21:30

Nonstop3h 45m

Athens Eleftherios V.

Sun 18/5

21:55-23:50

Nonstop3h 55m

£70

LondonAthens

LGW - ATH

LGWATH

London Gatwick

Fri 25/4

18:25-00:05

Nonstop3h 40m

Athens Eleftherios V.

Thu 15/5

13:55-15:50

Nonstop3h 55m

£77

LondonSplit

LGW - SPU

LGWSPU

London Gatwick

Thu 1/5

05:55-09:30

Nonstop2h 35m

Split

Thu 22/5

10:25-12:10

Nonstop2h 45m

£83

LondonSplit

LGW - SPU

LGWSPU

London Gatwick

Mon 23/6

21:20-13:25

1 stop15h 05m

Split

Wed 25/6

20:55-22:35

Nonstop2h 40m

£90

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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

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

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

Currently, January is the cheapest month in which you can book a flight from London to Southeast Europe (average of £101). Flying from London to Southeast Europe in August is currently the most expensive (average of £336). 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 LON to YMH?

Find hourly flight availability from London to Southeast Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Southeast Europe as you normally would.

Rainfall in Southeast Europe by month

Plan your trip to Southeast Europe by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Europe ranges from 5.0 - 64.0 inches per month. December is typically the wettest month, when rainfall can reach 64.0 mm. July is typically the driest time to visit Southeast Europe when rainfall is around 5.0 mm.

Temperature in Southeast Europe by month

Plan your trip to Southeast Europe by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Europe, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

Reviews of airlines servicing Southeast Europe

Get insights into the airlines that provide service to 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 an airline for your flight to Southeast Europe. Reviews last updated 25 March 2025.
Read through reviews of airlines operating flights from London to Southeast Europe, such as Jet2, Aegean Airlines and airBaltic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.3

Boarding

8.2

Comfort

7.8

Entertainment

6.3

Crew

8.8

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
8.3
Very Good

Overall

8.3

Boarding

8.2

Comfort

7.8

Entertainment

6.3

Crew

8.8

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Boarding

8.2

Comfort

7.8

Entertainment

6.3

Crew

8.8

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Boarding

8.2

Comfort

7.8

Entertainment

6.3

Crew

8.8

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Boarding

8.2

Comfort

7.8

Entertainment

6.3

Crew

8.8

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Boarding

8.2

Comfort

7.8

Entertainment

6.3

Crew

8.8

Food

7.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Related info for your journey

Find useful and relevant information for your journey from London to Southeast Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from London to Southeast Europe one-way?

    £26 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Wizz Air and easyJet, with prices starting from £40 and £41, respectively.

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

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

    No one likes to see their flight delayed. When booking a flight from London to Southeast Europe consider choosing Singapore Airlines (90%), Air Canada (88%) or Aegean Airlines (87%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from London to Southeast Europe is generally £658, our data shows the cheapest flight currently is £81. When looking at the most popular route, (London Heathrow - Athens Eleftherios V.), you can expect to pay £107 for that flight.

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

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

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

    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.

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

    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.

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

    Currently, January is the cheapest month in which you can book a flight from London to Southeast Europe (average of £101). Flying from London to Southeast Europe in August is currently the most expensive (average of £336). 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

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.

Top 10 airlines flying from London to Southeast Europe

Discover the top 10 airlines that operate flights from London to Southeast Europe. 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest£55Average£179FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
TUI AirwaysCheapest£84Average£297FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Sky ExpressCheapest£84Average£244FlexibilityNo cancel feeOn-timeN/A
Search Sky Express flights
Corendon Airlines EuropeCheapest£88Average£244FlexibilityNo cancel feeOn-timeN/A
Search Corendon Airlines Europe flights
VuelingCheapest£100Average£136FlexibilityNo cancel feeOn-time88%
Search Vueling flights
Croatia AirlinesCheapest£101Average£203FlexibilityNo cancel feeOn-time81%
Search Croatia Airlines flights
Pegasus AirlinesCheapest£116Average£350FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
TAROMCheapest£120Average£196FlexibilityNo cancel feeOn-time86%
Search TAROM flights
Corendon AirlinesCheapest£130Average£252FlexibilityNo cancel feeOn-timeN/A
Search Corendon Airlines flights
SWISSCheapest£133Average£214FlexibilityNo cancel feeOn-time79%
Search SWISS 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 London to Southeast Europe?

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.

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

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

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.

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

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.

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