Which airlines fly to Sofia?

LOT, Air Canada and Lufthansa are the top three most popular airlines that fly to Sofia from Region of Ontario according to our data. LOT is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Sofia. Keep in mind that there are 9 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Sofia?

On average, it takes 11h 32m to fly from Region of Ontario to Sofia if you fly out of Toronto (the most popular airport in Region of Ontario) and into Sofia (the most popular airport in Sofia). If you’re flying out of Ottawa and into Sofia, then the flight time is around 12h 55m.

When did momondo last update prices for flights from Ontario to Sofia Airport?

Prices for flights from Ontario to Sofia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario to Sofia Airport?

The number of operators available for flights from Ontario to Sofia Airport is 9 as of September 2025.

How old do you have to be to fly from Ontario to Sofia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 304 Cheap Flights from Ontario to Sofia in 2025/26

1 adult

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Find the cheapest flights from Ontario to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

10:10 p.m. - 8:40 p.m.YUL-SOF

15h 30m1 stop

5:25 p.m. - 6:45 p.m.SOF-YUL

32h 20m1 stop

C$ 813British Airways

Find Deal

Tue, 30 Sep - Mon, 1 Dec

10:10 p.m. - 8:40 p.m.YUL-SOF

15h 30m1 stop

12:05 p.m. - 6:45 p.m.SOF-YUL

13h 40m1 stop

C$ 863British Airways

Find Deal

Tue, 30 Sep - Sat, 6 Dec

6:45 a.m. - 10:55 p.m.YUL-SOF

33h 10m2 stops

3:10 p.m. - 8:40 p.m.SOF-YUL

35h 30m3 stops

C$ 909Multiple Airlines

Find Deal

Sat, 11 Oct - Tue, 28 Oct

4:45 p.m. - 3:15 p.m.YUL-SOF

15h 30m1 stop

12:35 p.m. - 1:45 p.m.SOF-YUL

32h 10m1 stop

C$ 916Multiple Airlines

Find Deal

Wed, 12 Nov - Sun, 16 Nov

10:50 p.m. - 11:00 p.m.YUL-SOF

17h 10m1 stop

12:45 p.m. - 9:00 p.m.SOF-YUL

15h 15m1 stop

C$ 923Lufthansa

Find Deal

Sun, 12 Oct - Wed, 22 Oct

6:35 p.m. - 6:10 p.m.YUL-SOF

16h 35m1 stop

6:55 p.m. - 1:50 p.m.SOF-YUL

25h 55m1 stop

C$ 930Austrian Airlines

Find Deal

Sun, 12 Oct - Mon, 20 Oct

9:50 p.m. - 12:00 p.m.YUL-SOF

31h 10m2 stops

6:00 a.m. - 9:00 p.m.SOF-YUL

22h 00m1 stop

C$ 931Air Canada

Find Deal

Mon, 13 Oct - Wed, 22 Oct

9:25 p.m. - 6:20 p.m.YUL-SOF

13h 55m2 stops

6:05 a.m. - 6:20 p.m.SOF-YUL

19h 15m1 stop

C$ 933Lufthansa

Find Deal

Wed, 12 Nov - Sun, 16 Nov

2:10 p.m. - 11:40 a.m.YUL-SOF

14h 30m2 stops

8:00 a.m. - 1:50 p.m.SOF-YUL

12h 50m1 stop

C$ 940Austrian Airlines

Find Deal

Sun, 12 Oct - Wed, 22 Oct

2:10 p.m. - 12:00 p.m.YUL-SOF

14h 50m2 stops

12:00 p.m. - 6:32 a.m.SOF-YUL

25h 32m2 stops

C$ 942Air Canada

Find Deal

Mon, 13 Oct - Fri, 24 Oct

SWISS flights from Region of Ontario to Sofia

Our best SWISS deals on Region of Ontario to Sofia flight tickets

SWISS

1 Mar

YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl

14h 30m

1 stop

SOF2:15 p.m.Sofia

9 Mar

SOF1:55 p.m.Sofia

32h 15m

2 stops

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 995

Find similar

SWISS

3 Dec

YOW4:15 p.m.Ottawa

16h 00m

2 stops

SOF3:15 p.m.Sofia

9 Dec

SOF2:00 p.m.Sofia

34h 37m

3 stops

YOW5:37 p.m.Ottawa

C$ 1,037

Find similar

SWISS

3 Dec

YOW4:15 p.m.Ottawa

19h 05m

3 stops

SOF6:20 p.m.Sofia

9 Dec

SOF2:00 p.m.Sofia

34h 37m

3 stops

YOW5:37 p.m.Ottawa

C$ 1,143

Find similar

United Airlines flights from Region of Ontario to Sofia

Our best United Airlines deals on Region of Ontario to Sofia flight tickets

United Airlines

3 Oct

YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl

33h 30m

2 stops

SOF11:40 a.m.Sofia

21 Oct

SOF8:00 a.m.Sofia

38h 00m

2 stops

YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,000

Find similar

United Airlines

2 Oct

YUL2:20 p.m.Montreal Pierre Elliott Trudeau Intl

14h 20m

2 stops

SOF11:40 a.m.Sofia

1 Dec

SOF7:55 a.m.Sofia

18h 53m

2 stops

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,001

Find similar

United Airlines

3 Oct

YOW9:50 a.m.Ottawa

30h 10m

2 stops

SOF11:00 p.m.Sofia

21 Jan

SOF7:55 a.m.Sofia

37h 35m

2 stops

YOW2:30 p.m.Ottawa

C$ 1,076

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

10:10 p.m.-8:40 p.m.

1 stop15h 30m

Sofia

Mon 1/12

5:25 p.m.-6:45 p.m.

1 stop32h 20m

C$ 813

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

10:10 p.m.-8:40 p.m.

1 stop15h 30m

Sofia

Sat 6/12

12:05 p.m.-6:45 p.m.

1 stop13h 40m

C$ 863

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

6:45 a.m.-10:55 p.m.

2 stops33h 10m

Sofia

Tue 28/10

3:10 p.m.-8:40 p.m.

3 stops35h 30m

C$ 909

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

4:45 p.m.-3:15 p.m.

1 stop15h 30m

Sofia

Sun 16/11

12:35 p.m.-1:45 p.m.

1 stop32h 10m

C$ 916

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

10:50 p.m.-11:00 p.m.

1 stop17h 10m

Sofia

Wed 22/10

12:45 p.m.-9:00 p.m.

1 stop15h 15m

C$ 923

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

6:35 p.m.-6:10 p.m.

1 stop16h 35m

Sofia

Mon 20/10

6:55 p.m.-1:50 p.m.

1 stop25h 55m

C$ 930

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

9:50 p.m.-12:00 p.m.

2 stops31h 10m

Sofia

Wed 22/10

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

1 stop22h 00m

C$ 931

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

9:25 p.m.-6:20 p.m.

2 stops13h 55m

Sofia

Sun 16/11

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

1 stop19h 15m

C$ 933

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

2:10 p.m.-11:40 a.m.

2 stops14h 30m

Sofia

Wed 22/10

8:00 a.m.-1:50 p.m.

1 stop12h 50m

C$ 940

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

2:10 p.m.-12:00 p.m.

2 stops14h 50m

Sofia

Fri 24/10

12:00 p.m.-6:32 a.m.

2 stops25h 32m

C$ 942

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Sofia

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

Other information

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Region of Ontario is in February. Flight prices, which tend to average around C$ 1,050, are often lower during this time because this is during the off-season. If you are unable to visit Sofia during the month of February, then departing from Region of Ontario during the month January is also very affordable. Most momondo users find prices during this month for around C$ 1,121.

What is the cheapest day to depart on your flight to Sofia?

The cheapest day to depart from Region of Ontario to Sofia is on a Wednesday when prices can be found for as low as C$ 1,407. The most expensive day to fly to Sofia is Sunday, with ticket prices averaging around C$ 1,549.

What is the cheapest time of day to depart on your flight to Sofia?

Our most recent data shows that the best time of day to fly to Sofia is in the afternoon. Flights from Region of Ontario to Sofia during this time can be as low as C$ 1,408. Flights to Sofia are more costly in the evening, with an average ticket price of C$ 1,522. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around C$ 1,315 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Region of Ontario for as low as C$ 1,238 on momondo.

Cheap Region of Ontario to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Sofia

Direct flights	None

There are no direct flights from Region of Ontario to Sofia. There are no popular flight routes from Region of Ontario to Sofia.

Search flight deals

When did momondo last update prices for flights from Ontario to Sofia Airport?
Prices for flights from Ontario to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Sofia Airport?
The number of operators available for flights from Ontario to Sofia Airport is 9 as of September 2025.
How old do you have to be to fly from Ontario to Sofia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Sofia

Compare and see reviews for airlines that fly from Region of Ontario to Sofia with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom C$ 884	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
Austrian Airlines	PriceFrom C$ 993	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights
SWISS	PriceFrom C$ 1,001	Free Cancellation	Rating 7.6 1,737 reviews	Search SWISS flights
Air Canada	PriceFrom C$ 1,024	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
LOT	PriceFrom C$ 1,052	Free Cancellation	Rating 7.6 1,117 reviews	Search LOT flights
Lufthansa	PriceFrom C$ 1,053	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom C$ 1,121	Free Cancellation	Rating 7.3 3,965 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom C$ 1,123	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Air France	PriceFrom C$ 1,474	Free Cancellation	Rating 7.4 1,468 reviews	Search Air France flights

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Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Sofia?

Finding the right flight to Sofia from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.

Can I find flights from Ontario to Sofia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sofia from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Sofia?

momondo provides multiple filters to help you find the best flight to Sofia from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia from Ontario and alert you when they change.