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Cheap flights from London, ON to Southeast Europe from C$ 580

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ATH
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Southeast Europe

Enter your travel dates to find the best prices.

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 21 June 2026.

Sun 22/115:45 a.m.
YXU
-
ATH
2 stops22h 15m
Air Canada
Thu 26/111:00 p.m.
ATH
-
YXU
1 stop15h 46m
Air Canada
Deal found 16/6C$ 1,036
Sat 5/125:45 a.m.
YXU
-
ATH
1 stop22h 15m
Air Canada
Wed 9/126:35 a.m.
ATH
-
YXU
2 stops22h 11m
Air Canada
Deal found 19/6C$ 1,060
Sat 31/109:45 a.m.
YXU
-
ATH
2 stops43h 15m
Air Canada
Sat 7/116:40 a.m.
ATH
-
YXU
2 stops39h 26m
Air Canada
Deal found 18/6C$ 1,166
Sat 31/105:45 a.m.
YXU
-
ATH
1 stop22h 15m
Multiple Airlines
Sat 7/116:55 p.m.
ATH
-
YXU
2 stops33h 51m
Multiple Airlines
Deal found 18/6C$ 1,174
Sun 11/1010:05 a.m.
YXU
-
DBV
2 stops18h 10m
Air Canada
Thu 15/1010:00 a.m.
DBV
-
YXU
2 stops34h 55m
Air Canada
Deal found 19/6C$ 1,180
Sun 11/1010:05 a.m.
YXU
-
DBV
2 stops18h 10m
United Airlines
Thu 15/1010:00 a.m.
DBV
-
YXU
2 stops34h 55m
United Airlines
Deal found 18/6C$ 1,183
Fri 9/103:30 p.m.
YXU
-
ZAG
2 stops15h 05m
Air Canada
Tue 13/101:20 p.m.
ZAG
-
YXU
2 stops31h 35m
Air Canada
Deal found 18/6C$ 1,201
Tue 11/810:05 a.m.
YXU
-
ZAG
2 stops20h 30m
Multiple Airlines
Wed 9/911:25 a.m.
ZAG
-
YXU
2 stops51h 55m
Multiple Airlines
Deal found 20/6C$ 1,234
Tue 11/86:20 p.m.
YXU
-
ZAG
2 stops12h 15m
Air Canada
Wed 9/91:20 p.m.
ZAG
-
YXU
2 stops26h 00m
Air Canada
Deal found 18/6C$ 1,248
Mon 14/96:20 p.m.
YXU
-
ZAD
2 stops42h 45m
Multiple Airlines
Wed 30/92:20 p.m.
ZAD
-
YXU
2 stops49h 00m
Multiple Airlines
Deal found 21/6C$ 1,261
Wed 25/115:45 a.m.
YXU
-
SOF
2 stops29h 35m
Air Canada
Sun 29/116:00 a.m.
SOF
-
YXU
2 stops40h 06m
Air Canada
Deal found 19/6C$ 1,326
Mon 14/95:40 a.m.
YXU
-
ZAD
2 stops25h 55m
Multiple Airlines
Tue 29/92:20 p.m.
ZAD
-
YXU
2 stops33h 23m
Multiple Airlines
Deal found 21/6C$ 1,387

Find 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 21 June 2026.

Round-trip from

C$ 1,036

One-way from

C$ 580
Air Canada
  • Air Canada
  • 22/11-26/11
  • 3 total stops
  • 38h 01m total
  • London to Southeast Europe
Search Deals
5/8
  • 5/8
  • 1 total stop
  • 22h 30m total
  • London to Southeast Europe
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 21 June 2026.
Use the filters below to find and compare flights from London to Southeast Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonAthens

YXU - ATH

YXUATH

London

Sun 22/11

5:45 a.m.-11:00 a.m.

2 stops22h 15m

Athens Eleftherios V.

Thu 26/11

1:00 p.m.-9:46 p.m.

1 stop15h 46m

C$ 1,036

LondonAthens

YXU - ATH

YXUATH

London

Sat 5/12

9:45 a.m.-4:40 p.m.

2 stops23h 55m

Athens Eleftherios V.

Wed 9/12

6:35 a.m.-3:06 p.m.

2 stops39h 31m

C$ 1,088

LondonAthens

YXU - ATH

YXUATH

London

Sat 31/10

9:45 a.m.-11:00 a.m.

2 stops43h 15m

Athens Eleftherios V.

Sat 7/11

6:40 a.m.-3:06 p.m.

2 stops39h 26m

C$ 1,166

LondonAthens

YXU - ATH

YXUATH

London

Sat 31/10

5:45 a.m.-10:00 a.m.

1 stop22h 15m

Athens Eleftherios V.

Sat 7/11

6:55 p.m.-9:46 p.m.

2 stops33h 51m

C$ 1,174

LondonDubrovnik

YXU - DBV

YXUDBV

London

Sun 11/10

10:05 a.m.-10:15 a.m.

2 stops18h 10m

Dubrovnik

Thu 15/10

10:00 a.m.-2:55 p.m.

2 stops34h 55m

C$ 1,180

LondonDubrovnik

YXU - DBV

YXUDBV

London

Sun 11/10

10:05 a.m.-10:15 a.m.

2 stops18h 10m

Dubrovnik

Thu 15/10

10:00 a.m.-2:55 p.m.

2 stops34h 55m

C$ 1,183

LondonZagreb

YXU - ZAG

YXUZAG

London

Fri 9/10

3:30 p.m.-12:35 p.m.

2 stops15h 05m

Zagreb Franjo Tuđman

Tue 13/10

1:20 p.m.-2:55 p.m.

2 stops31h 35m

C$ 1,201

LondonZagreb

YXU - ZAG

YXUZAG

London

Tue 11/8

10:05 a.m.-12:35 p.m.

2 stops20h 30m

Zagreb Franjo Tuđman

Wed 9/9

11:25 a.m.-5:43 p.m.

2 stops36h 18m

C$ 1,234

LondonZadar

YXU - ZAD

YXUZAD

London

Mon 14/9

6:20 p.m.-7:05 p.m.

2 stops42h 45m

Zadar

Thu 1/10

2:20 p.m.-5:45 p.m.

2 stops33h 25m

C$ 1,261

LondonSofia

YXU - SOF

YXUSOF

London

Wed 25/11

5:45 a.m.-6:20 p.m.

2 stops29h 35m

Sofia

Sun 29/11

6:00 a.m.-3:06 p.m.

2 stops40h 06m

C$ 1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/6

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

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 round-trip 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
No data available for this route at this time. Please check back soon.

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 21 June 2026.
Read through reviews of airlines operating flights from London to Southeast Europe, such as Air Canada. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,231 reviews
Check prices

Food

6.3

Overall

7.1

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,231 reviews
Air Canada
7.1
Good
11,231 reviews
Check prices

Food

6.3

Overall

7.1

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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 airport do you fly from for flights from London to Southeast Europe?

    For a flight from London to Southeast Europe, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city.

  • How long is the flight from London, Ontario to Southeast Europe?

    For as low as C$ 1,183, Air Canada can have you in Southeast Europe from London, Ontario in 18h 10m. There are 7564 km between London, Ontario and Southeast Europe. Both multi-stop and direct flights can be found to your destination and back.

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

    While some choose either London - Athens Eleftherios V. or London - Zagreb Franjo Tuđman, London - Dubrovnik is the most popular route from London, Ontario to Southeast Europe.

  • 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 vacation 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.

See more FAQs

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Alternative routes for London to Southeast Europe

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Southeast Europe

Discover the top airline 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 629,999 searches. Data last updated 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,126AverageC$ 1,468FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Deals for London to Southeast Europe 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 London to Southeast Europe?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Southeast Europe for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from London to Southeast Europe with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Europe from London today and book when prices fit your budget.

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