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Cheap flights from London, ON to Southeast Europe from C$ 793

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ATH
4 Jun — 11 Jun1
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 5 May 2026.

Mon 1/63:30 p.m.
YXU
-
ATH
1 stop12h 40m
Air Canada
Fri 5/63:25 p.m.
ATH
-
YXU
2 stops24h 53m
Air Canada
Deal found 30/4C$ 1,181
Sun 14/65:10 a.m.
YXU
-
ATH
2 stops22h 00m
Air Canada
Thu 16/73:25 p.m.
ATH
-
YXU
1 stop24h 55m
Air Canada
Deal found 1/5C$ 1,264
Sun 14/610:05 a.m.
YXU
-
ATH
2 stops20h 20m
Air Canada
Wed 15/712:10 p.m.
ATH
-
YXU
2 stops28h 10m
Air Canada
Deal found 1/5C$ 1,268
Thu 15/103:30 p.m.
YXU
-
ZAG
2 stops15h 05m
Air Canada
Mon 19/106:05 a.m.
ZAG
-
YXU
2 stops21h 35m
Air Canada
Deal found 30/4C$ 1,302
Tue 2/66:10 p.m.
YXU
-
ZAG
2 stops36h 25m
Multiple Airlines
Tue 9/66:15 a.m.
ZAG
-
YXU
2 stops38h 43m
Multiple Airlines
Deal found 4/5C$ 1,374
Mon 8/65:10 a.m.
YXU
-
CLJ
2 stops29h 15m
Air Canada
Fri 12/66:00 a.m.
CLJ
-
YXU
2 stops34h 18m
Air Canada
Deal found 4/5C$ 1,386
Thu 22/105:40 a.m.
YXU
-
OTP
2 stops26h 40m
Air Canada
Mon 26/106:40 a.m.
OTP
-
YXU
2 stops32h 26m
Air Canada
Deal found 30/4C$ 1,433
Sat 30/56:10 p.m.
YXU
-
SPU
2 stops41h 55m
Multiple Airlines
Tue 9/63:05 p.m.
SPU
-
YXU
2 stops32h 28m
Multiple Airlines
Deal found 3/5C$ 1,442
Tue 11/86:20 p.m.
YXU
-
ZAG
2 stops12h 15m
Lufthansa
Wed 9/96:15 a.m.
ZAG
-
YXU
2 stops41h 28m
Lufthansa
Deal found 1/5C$ 1,573
Thu 18/65:10 a.m.
YXU
-
DBV
2 stops23h 05m
United Airlines
Tue 7/712:15 p.m.
DBV
-
YXU
2 stops32h 40m
United Airlines
Deal found 30/4C$ 1,601
Tue 11/86:20 p.m.
YXU
-
ZAG
2 stops12h 15m
Multiple Airlines
Wed 9/96:15 a.m.
ZAG
-
YXU
2 stops21h 25m
Multiple Airlines
Deal found 5/5C$ 1,615
Fri 5/65:10 a.m.
YXU
-
DBV
2 stops25h 05m
Air Canada
Tue 9/612:15 p.m.
DBV
-
YXU
2 stops35h 18m
Air Canada
Deal found 30/4C$ 1,722

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 5 May 2026.

Round-trip from

C$ 1,181

One-way from

C$ 793
Air Canada
  • Air Canada
  • 1/6-5/6
  • 3 total stops
  • 37h 33m total
  • London to Southeast Europe
Search Deals
16/6
  • 16/6
  • 3 total stops
  • 23h 55m 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 5 May 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

Mon 1/6

3:30 p.m.-11:10 a.m.

1 stop12h 40m

Athens Eleftherios V.

Fri 5/6

3:25 p.m.-9:18 a.m.

2 stops24h 53m

C$ 1,181

LondonZagreb

YXU - ZAG

YXUZAG

London

Thu 15/10

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

2 stops15h 05m

Zagreb Franjo Tuđman

Mon 19/10

6:05 a.m.-9:40 p.m.

2 stops21h 35m

C$ 1,302

LondonCluj Napoca

YXU - CLJ

YXUCLJ

London

Mon 8/6

5:10 a.m.-5:25 p.m.

2 stops29h 15m

Cluj Napoca

Fri 12/6

6:00 a.m.-9:18 a.m.

2 stops34h 18m

C$ 1,386

LondonBucharest

YXU - OTP

YXUOTP

London

Thu 22/10

5:40 a.m.-3:20 p.m.

2 stops26h 40m

Bucharest Otopeni Intl

Mon 26/10

6:40 a.m.-9:06 a.m.

2 stops32h 26m

C$ 1,433

LondonSplit

YXU - SPU

YXUSPU

London

Sat 30/5

6:10 p.m.-6:05 p.m.

2 stops41h 55m

Split

Tue 9/6

3:05 p.m.-5:33 p.m.

2 stops32h 28m

C$ 1,442

LondonZagreb

YXU - ZAG

YXUZAG

London

Tue 11/8

6:20 p.m.-12:35 p.m.

2 stops12h 15m

Zagreb Franjo Tuđman

Wed 9/9

6:15 a.m.-5:43 p.m.

2 stops41h 28m

C$ 1,573

LondonDubrovnik

YXU - DBV

YXUDBV

London

Fri 5/6

5:10 a.m.-12:15 p.m.

2 stops25h 05m

Dubrovnik

Tue 9/6

12:15 p.m.-5:33 p.m.

2 stops35h 18m

C$ 1,722

LondonSplit

YXU - SPU

YXUSPU

London

Sat 30/5

6:10 p.m.-8:20 p.m.

2 stops44h 10m

Split

Tue 9/6

4:45 p.m.-5:33 p.m.

3 stops54h 48m

C$ 1,785

LondonCluj Napoca

YXU - CLJ

YXUCLJ

London

Thu 1/10

5:40 a.m.-5:25 p.m.

2 stops28h 45m

Cluj Napoca

Mon 5/10

6:00 a.m.-9:20 a.m.

2 stops34h 20m

C$ 1,830

LondonSofia

YXU - SOF

YXUSOF

London

Mon 1/6

9:30 a.m.-12:10 p.m.

2 stops19h 40m

Sofia

Fri 5/6

6:10 a.m.-2:58 p.m.

2 stops39h 48m

C$ 1,830

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 21 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 5 May 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
10,998 reviews
Check prices

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Food

6.3

Comfort

7.1

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good
Air Canada
7.1
Good
10,998 reviews
Air Canada
7.1
Good
10,998 reviews
Check prices

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Food

6.3

Comfort

7.1

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good

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$ 1,573, Air Canada can have you in Southeast Europe from London, Ontario in 12h 15m. There are 7208 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 - Dubrovnik or London - Split, London - Athens Eleftherios V. 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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,083AverageC$ 1,412FlexibilityNo 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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