Which airlines fly to Southeast Europe?

Air Canada, LOT and Air Transat are the top three most popular airlines that fly to Southeast Europe from London, Ontario according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Southeast Europe. Keep in mind that there are 24 different airlines that fly to Southeast Europe on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Southeast Europe?

Air Canada and SWISS are the most popular carriers operating from London to Southeast Europe

When did momondo last update prices for flights from London Airport to Southeast Europe?

Prices for flights from London Airport to Southeast Europe are updated daily.

How many operators does momondo search for flights from London Airport to Southeast Europe?

The number of operators available for flights from London Airport to Southeast Europe is 1 as of September 2026.

How old do you have to be to fly from London Airport to Southeast Europe?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Southeast Europe.

What documentation or ID do you need to fly to Southeast Europe?

The travel and health documents required for your trip to Southeast Europe can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southeast Europe. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 436 Cheap Flights from London, Ontario to Southeast Europe in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London, Ontario to Southeast Europe

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 a.m. - 11:00 a.m.YXU London-ATH Athens Eleftherios V.

18h 45m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:00 p.m. - 8:37 a.m.ATH Athens Eleftherios V.-YXU London

26h 37m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,075Air Canada

Sun, 29 Nov - Thu, 3 Dec

9:15 a.m. - 11:00 a.m.YXU London-ATH Athens Eleftherios V.

18h 45m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:00 p.m. - 8:37 a.m.ATH Athens Eleftherios V.-YXU London

26h 37m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,079Air Canada

Sun, 29 Nov - Thu, 3 Dec

9:15 a.m. - 11:00 a.m.YXU London-ATH Athens Eleftherios V.

18h 45m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:00 p.m. - 8:37 a.m.ATH Athens Eleftherios V.-YXU London

26h 37m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,081Air Canada

Sun, 29 Nov - Thu, 3 Dec

9:15 a.m. - 11:00 a.m.YXU London-ATH Athens Eleftherios V.

18h 45m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:00 p.m. - 8:37 a.m.ATH Athens Eleftherios V.-YXU London

26h 37m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,082Air Canada

Sun, 29 Nov - Thu, 3 Dec

6:20 p.m. - 1:10 a.m.YXU London-OTP Bucharest Otopeni Intl

23h 50m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:30 a.m. - 9:52 p.m.OTP Bucharest Otopeni Intl-YXU London

22h 22m2 stops Zurich Toronto Pearson Intl

C$ 1,140Multiple Airlines

Sun, 4 Oct - Mon, 2 Nov

5:30 a.m. - 3:50 p.m.YXU London-OTP Bucharest Otopeni Intl

27h 20m2 stops Toronto Pearson Intl Zurich

6:30 a.m. - 2:42 p.m.OTP Bucharest Otopeni Intl-YXU London

39h 12m2 stops Zurich Toronto Pearson Intl

C$ 1,157Air Canada

Sun, 29 Nov - Thu, 3 Dec

6:20 p.m. - 11:40 p.m.YXU London-ATH Athens Eleftherios V.

46h 20m2 stops Toronto Pearson Intl Vienna Intl

1:00 p.m. - 9:47 p.m.ATH Athens Eleftherios V.-YXU London

39h 47m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,267Multiple Airlines

Wed, 30 Sep - Sun, 20 Dec

6:20 p.m. - 11:40 p.m.YXU London-ATH Athens Eleftherios V.

46h 20m2 stops Toronto Pearson Intl Vienna Intl

1:00 p.m. - 9:47 p.m.ATH Athens Eleftherios V.-YXU London

39h 47m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,271Multiple Airlines

Wed, 30 Sep - Sun, 20 Dec

6:20 p.m. - 11:40 p.m.YXU London-ATH Athens Eleftherios V.

46h 20m2 stops Toronto Pearson Intl Vienna Intl

1:00 p.m. - 9:47 p.m.ATH Athens Eleftherios V.-YXU London

39h 47m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,273Multiple Airlines

Wed, 30 Sep - Sun, 20 Dec

6:20 p.m. - 11:40 p.m.YXU London-ATH Athens Eleftherios V.

46h 20m2 stops Toronto Pearson Intl Vienna Intl

1:00 p.m. - 9:47 p.m.ATH Athens Eleftherios V.-YXU London

39h 47m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,274Multiple Airlines

Wed, 30 Sep - Sun, 20 Dec

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Air Canada flights from London, Ontario to Southeast Europe

Our best Air Canada deals on London, Ontario to Southeast Europe flight tickets

Air Canada

29 Nov

YXU9:15 a.m.London

18h 45m

2 stops

ATH11:00 a.m.Athens Eleftherios V.

3 Dec

ATH1:00 p.m.Athens Eleftherios V.

26h 37m

2 stops

YXU8:37 a.m.London

C$ 1,075

Air Canada

29 Nov

YXU9:15 a.m.London

18h 45m

2 stops

ATH11:00 a.m.Athens Eleftherios V.

3 Dec

ATH1:00 p.m.Athens Eleftherios V.

26h 37m

2 stops

YXU8:37 a.m.London

C$ 1,079

Air Canada

29 Nov

YXU9:15 a.m.London

18h 45m

2 stops

ATH11:00 a.m.Athens Eleftherios V.

3 Dec

ATH1:00 p.m.Athens Eleftherios V.

26h 37m

2 stops

YXU8:37 a.m.London

C$ 1,080

Lufthansa flights from London, Ontario to Southeast Europe

Our best Lufthansa deals on London, Ontario to Southeast Europe flight tickets

Lufthansa

21 Dec

YXU9:15 a.m.London

21h 40m

2 stops

OTP1:55 p.m.Bucharest Otopeni Intl

29 Dec

OTP6:00 a.m.Bucharest Otopeni Intl

22h 47m

2 stops

YXU9:47 p.m.London

C$ 1,727

Lufthansa

30 Sep

YXU3:30 p.m.London

15h 10m

1 stop

ATH1:40 p.m.Athens Eleftherios V.

20 Dec

ATH1:00 p.m.Athens Eleftherios V.

39h 47m

2 stops

YXU9:47 p.m.London

C$ 1,745

Lufthansa

30 Sep

YXU3:30 p.m.London

15h 10m

1 stop

ATH1:40 p.m.Athens Eleftherios V.

20 Dec

ATH1:00 p.m.Athens Eleftherios V.

39h 47m

2 stops

YXU9:47 p.m.London

C$ 1,750

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to Southeast Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Sun 29/11

9:15 a.m.-11:00 a.m.

2 stops18h 45m

Athens Eleftherios V.

Thu 3/12

1:00 p.m.-8:37 a.m.

2 stops26h 37m

C$ 1,075

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Sun 29/11

9:15 a.m.-11:00 a.m.

2 stops18h 45m

Athens Eleftherios V.

Thu 3/12

1:00 p.m.-8:37 a.m.

2 stops26h 37m

C$ 1,079

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Sun 29/11

9:15 a.m.-11:00 a.m.

2 stops18h 45m

Athens Eleftherios V.

Thu 3/12

1:00 p.m.-8:37 a.m.

2 stops26h 37m

C$ 1,080

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Sun 29/11

9:15 a.m.-11:00 a.m.

2 stops18h 45m

Athens Eleftherios V.

Thu 3/12

1:00 p.m.-8:37 a.m.

2 stops26h 37m

C$ 1,082

LondonBucharest

YXU London - OTP Bucharest Otopeni Intl

YXUOTP

London

Sun 4/10

6:20 p.m.-1:10 a.m.

2 stops23h 50m

Bucharest Otopeni Intl

Mon 2/11

6:30 a.m.-9:52 p.m.

2 stops22h 22m

C$ 1,140

LondonBucharest

YXU London - OTP Bucharest Otopeni Intl

YXUOTP

London

Sun 29/11

5:30 a.m.-3:50 p.m.

2 stops27h 20m

Bucharest Otopeni Intl

Thu 3/12

6:30 a.m.-2:42 p.m.

2 stops39h 12m

C$ 1,157

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Wed 30/9

6:20 p.m.-11:40 p.m.

2 stops46h 20m

Athens Eleftherios V.

Sun 20/12

1:00 p.m.-9:47 p.m.

2 stops39h 47m

C$ 1,267

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Wed 30/9

6:20 p.m.-11:40 p.m.

2 stops46h 20m

Athens Eleftherios V.

Sun 20/12

1:00 p.m.-9:47 p.m.

2 stops39h 47m

C$ 1,271

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Wed 30/9

6:20 p.m.-11:40 p.m.

2 stops46h 20m

Athens Eleftherios V.

Sun 20/12

1:00 p.m.-9:47 p.m.

2 stops39h 47m

C$ 1,273

LondonAthens

YXU London - ATH Athens Eleftherios V.

YXUATH

London

Wed 30/9

6:20 p.m.-11:40 p.m.

2 stops46h 20m

Athens Eleftherios V.

Sun 20/12

1:00 p.m.-9:47 p.m.

2 stops39h 47m

C$ 1,274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from London, Ontario to Southeast Europe

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on London, Ontario to Southeast Europe flights?

No. A direct flight is the cheapest option for a flight between London, Ontario to Southeast Europe.

Cheap London, Ontario to Southeast Europe flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Southeast Europe

Best price found	C$ 436
Fastest flight time	16h 35m
Direct flights	None

The best one-way flight to Southeast Europe from London, Ontario in the past 72 hours is C$ 436. The best round-trip flight deal from London, Ontario to Southeast Europe found on momondo in the last 72 hours is C$ 1,075.

The fastest flight from London, Ontario to Southeast Europe takes 16h 35m

There are no direct flights from London, Ontario to Southeast Europe. There are no popular flight routes from London, Ontario to Southeast Europe.

Search flight deals

Frequently asked questions about flying from London, Ontario to Southeast Europe

When did momondo last update prices for flights from London Airport to Southeast Europe?
Prices for flights from London Airport to Southeast Europe are updated daily.
How many operators does momondo search for flights from London Airport to Southeast Europe?
The number of operators available for flights from London Airport to Southeast Europe is 1 as of September 2026.
How old do you have to be to fly from London Airport to Southeast Europe?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Southeast Europe.
What documentation or ID do you need to fly to Southeast Europe?
The travel and health documents required for your trip to Southeast Europe can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southeast Europe. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London, Ontario to Southeast Europe?
Based on momondo bookings for flights between London, Ontario and Southeast Europe, the leading plane model is Boeing 737 MAX 8, making up 53.27% of the total bookings. Other popular models include Embraer 195 E2 with 27.46%, Boeing 737-700 Passenger/BBJ1 (winglets) with 4.53%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 4.18%.

Best airlines flying from London, Ontario to Southeast Europe

Compare and see reviews for airlines that fly from London, Ontario to Southeast Europe with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 1,301	Free Cancellation	Rating 7.1 11,593 reviews		Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Southeast Europe?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Southeast Europe . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Southeast Europe with flexible booking policies on momondo?

Yes. All flights to Southeast Europe from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Southeast Europe?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southeast Europe from London.

I’m not ready to book a flight from London to Southeast Europe right now. Can momondo alert me if prices change?

Price alerts on flights to Southeast Europe from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.