Cheap flights from Ontario to Sofia from C$ 324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Sofia departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Ontario to Sofia

Cheap round-trip flights

 Logo
6:45 a.m. - 10:55 p.m.YUL-SOF
33h 10m2 stops
 Logo
3:10 p.m. - 8:40 p.m.SOF-YUL
35h 30m3 stops
C$ 915
Find Deal
Sat, 11 Oct - Tue, 28 Oct
 Logo
8:15 p.m. - 10:55 p.m.YUL-SOF
19h 40m2 stops
 Logo
4:45 p.m. - 8:40 p.m.SOF-YUL
33h 55m2 stops
C$ 934
Find Deal
Sat, 11 Oct - Tue, 28 Oct
Lufthansa Logo
5:55 p.m. - 1:35 p.m.YUL-SOF
12h 40m1 stop
Lufthansa Logo
6:05 a.m. - 6:20 p.m.SOF-YUL
19h 15m1 stop
C$ 958Lufthansa
Find Deal
Fri, 21 Nov - Sun, 30 Nov
SWISS Logo
4:30 p.m. - 10:05 a.m.YUL-SOF
34h 35m2 stops
SWISS Logo
3:30 p.m. - 1:50 p.m.SOF-YUL
29h 20m2 stops
C$ 959SWISS
Find Deal
Mon, 6 Oct - Mon, 20 Oct
Austrian Airlines Logo
6:55 p.m. - 6:10 p.m.YUL-SOF
16h 15m2 stops
Austrian Airlines Logo
12:35 p.m. - 1:45 p.m.SOF-YUL
32h 10m1 stop
C$ 962Austrian Airlines
Find Deal
Fri, 17 Oct - Sun, 30 Nov
Air Canada Logo
11:23 a.m. - 12:00 p.m.YUL-SOF
17h 37m2 stops
Air Canada Logo
6:00 a.m. - 9:00 p.m.SOF-YUL
22h 00m1 stop
C$ 965Air Canada
Find Deal
Thu, 2 Oct - Wed, 22 Oct
Air Canada Logo
1:30 p.m. - 12:00 p.m.YUL-SOF
15h 30m2 stops
Air Canada Logo
12:45 p.m. - 7:25 a.m.SOF-YUL
25h 40m2 stops
C$ 974Air Canada
Find Deal
Mon, 13 Oct - Mon, 20 Oct
SWISS Logo
4:45 p.m. - 1:15 p.m.YUL-SOF
13h 30m2 stops
SWISS Logo
11:00 a.m. - 1:45 p.m.SOF-YUL
33h 45m2 stops
C$ 981SWISS
Find Deal
Fri, 21 Nov - Sun, 30 Nov
Austrian Airlines Logo
2:10 p.m. - 6:10 p.m.YUL-SOF
21h 00m2 stops
Austrian Airlines Logo
4:05 p.m. - 11:40 a.m.SOF-YUL
26h 35m2 stops
C$ 1,010Austrian Airlines
Find Deal
Sun, 5 Oct - Mon, 20 Oct
Lufthansa Logo
6:15 p.m. - 1:35 p.m.YYZ-SOF
12h 20m1 stop
Lufthansa Logo
7:05 p.m. - 4:15 p.m.SOF-YYZ
28h 10m1 stop
C$ 1,318Lufthansa
Find Deal
Sun, 14 Dec - Sun, 21 Dec

Lufthansa flights from Region of Ontario to Sofia

Our best Lufthansa deals on Region of Ontario to Sofia flight tickets
Lufthansa
21 Nov
YUL5:55 p.m.Montreal Pierre Elliott Trudeau Intl
12h 40m
1 stop
SOF1:35 p.m.Sofia
30 Nov
SOF6:05 a.m.Sofia
19h 15m
1 stop
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
Lufthansa
14 Dec
YYZ6:15 p.m.Toronto Pearson Intl
12h 20m
1 stop
SOF1:35 p.m.Sofia
21 Dec
SOF7:05 p.m.Sofia
28h 10m
1 stop
YYZ4:15 p.m.Toronto Pearson Intl
C$ 1,318
Find similar
Lufthansa
8 Oct
YYZ8:20 p.m.Toronto Pearson Intl
19h 40m
1 stop
SOF11:00 p.m.Sofia
11 Oct
SOF7:25 p.m.Sofia
26h 30m
1 stop
YYZ2:55 p.m.Toronto Pearson Intl
C$ 1,769
Find similar

SWISS flights from Region of Ontario to Sofia

Our best SWISS deals on Region of Ontario to Sofia flight tickets
SWISS
6 Oct
YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl
34h 35m
2 stops
SOF10:05 a.m.Sofia
20 Oct
SOF3:30 p.m.Sofia
29h 20m
2 stops
YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl
SWISS
21 Nov
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
13h 30m
2 stops
SOF1:15 p.m.Sofia
30 Nov
SOF11:00 a.m.Sofia
33h 45m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
SWISS
21 Nov
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
13h 30m
2 stops
SOF1:15 p.m.Sofia
30 Nov
SOF11:00 a.m.Sofia
59h 23m
3 stops
YUL3:23 p.m.Montreal Pierre Elliott Trudeau Intl

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Sofia 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, momondo users made 96,600 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Ontario to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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$ 915

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

8:15 p.m.-10:55 p.m.

2 stops19h 40m

Sofia

Tue 28/10

4:45 p.m.-8:40 p.m.

2 stops33h 55m

C$ 934

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

5:55 p.m.-1:35 p.m.

1 stop12h 40m

Sofia

Sun 30/11

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

1 stop19h 15m

C$ 958

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

4:30 p.m.-10:05 a.m.

2 stops34h 35m

Sofia

Mon 20/10

3:30 p.m.-1:50 p.m.

2 stops29h 20m

C$ 959

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

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

2 stops16h 15m

Sofia

Sun 30/11

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

1 stop32h 10m

C$ 962

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

11:23 a.m.-12:00 p.m.

2 stops17h 37m

Sofia

Wed 22/10

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

1 stop22h 00m

C$ 965

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

1:30 p.m.-12:00 p.m.

2 stops15h 30m

Sofia

Mon 20/10

12:45 p.m.-7:25 a.m.

2 stops25h 40m

C$ 974

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

4:45 p.m.-1:15 p.m.

2 stops13h 30m

Sofia

Sun 30/11

11:00 a.m.-1:45 p.m.

2 stops33h 45m

C$ 981

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

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

2 stops21h 00m

Sofia

Mon 20/10

4:05 p.m.-11:40 a.m.

2 stops26h 35m

C$ 1,010

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sun 14/12

6:15 p.m.-1:35 p.m.

1 stop12h 20m

Sofia

Sun 21/12

7:05 p.m.-4:15 p.m.

1 stop28h 10m

C$ 1,318

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sofia from

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

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$ 1,056, 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$ 1,128.

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$ 1,415. The most expensive day to fly to Sofia is Sunday, with ticket prices averaging around C$ 1,559.

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$ 1,417. Flights to Sofia are more costly in the evening, with an average ticket price of C$ 1,532. 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$ 1,323 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$ 1,246 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.
  • 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?

  • 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 AirwaysPriceFrom C$ 890Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Austrian AirlinesPriceFrom C$ 999Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
SWISSPriceFrom C$ 1,007Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
Air CanadaPriceFrom C$ 1,030Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
LOTPriceFrom C$ 1,059Free CancellationRating
7.6
1,114 reviews
Search LOT flights
LufthansaPriceFrom C$ 1,059Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom C$ 1,128Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom C$ 1,130Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air FrancePriceFrom C$ 1,483Free CancellationRating
7.4
1,469 reviews
Search Air France flights

Travelling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Borovets

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.

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