Cheap flights from Ontario to Sofia from C$ 304

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 4/10. 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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Cheap round-trip flights

British Airways Logo
10:10 p.m. - 8:40 p.m.YUL-SOF
15h 30m1 stop
British Airways Logo
5:25 p.m. - 6:45 p.m.SOF-YUL
32h 20m1 stop
C$ 813British Airways
Find Deal
Tue, 30 Sep - Mon, 1 Dec
British Airways Logo
10:10 p.m. - 8:40 p.m.YUL-SOF
15h 30m1 stop
British Airways Logo
12:05 p.m. - 6:45 p.m.SOF-YUL
13h 40m1 stop
C$ 863British Airways
Find Deal
Tue, 30 Sep - Sat, 6 Dec
Multiple Airlines Logo
6:45 a.m. - 10:55 p.m.YUL-SOF
33h 10m2 stops
Multiple Airlines Logo
3:10 p.m. - 8:40 p.m.SOF-YUL
35h 30m3 stops
C$ 909Multiple Airlines
Find Deal
Sat, 11 Oct - Tue, 28 Oct
Multiple Airlines Logo
4:45 p.m. - 3:15 p.m.YUL-SOF
15h 30m1 stop
Multiple Airlines Logo
12:35 p.m. - 1:45 p.m.SOF-YUL
32h 10m1 stop
C$ 916Multiple Airlines
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Lufthansa Logo
10:50 p.m. - 11:00 p.m.YUL-SOF
17h 10m1 stop
Lufthansa Logo
12:45 p.m. - 9:00 p.m.SOF-YUL
15h 15m1 stop
C$ 923Lufthansa
Find Deal
Sun, 12 Oct - Wed, 22 Oct
Austrian Airlines Logo
6:35 p.m. - 6:10 p.m.YUL-SOF
16h 35m1 stop
Austrian Airlines Logo
6:55 p.m. - 1:50 p.m.SOF-YUL
25h 55m1 stop
C$ 930Austrian Airlines
Find Deal
Sun, 12 Oct - Mon, 20 Oct
Air Canada Logo
9:50 p.m. - 12:00 p.m.YUL-SOF
31h 10m2 stops
Air Canada Logo
6:00 a.m. - 9:00 p.m.SOF-YUL
22h 00m1 stop
C$ 931Air Canada
Find Deal
Mon, 13 Oct - Wed, 22 Oct
Lufthansa Logo
9:25 p.m. - 6:20 p.m.YUL-SOF
13h 55m2 stops
Lufthansa Logo
6:05 a.m. - 6:20 p.m.SOF-YUL
19h 15m1 stop
C$ 933Lufthansa
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Austrian Airlines Logo
2:10 p.m. - 11:40 a.m.YUL-SOF
14h 30m2 stops
Austrian Airlines Logo
8:00 a.m. - 1:50 p.m.SOF-YUL
12h 50m1 stop
C$ 940Austrian Airlines
Find Deal
Sun, 12 Oct - Wed, 22 Oct
Air Canada Logo
2:10 p.m. - 12:00 p.m.YUL-SOF
14h 50m2 stops
Air Canada Logo
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
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

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 17 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

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
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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$ 1,050, 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.
  • 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$ 884Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Austrian AirlinesPriceFrom C$ 993Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
SWISSPriceFrom C$ 1,001Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
Air CanadaPriceFrom C$ 1,024Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
LOTPriceFrom C$ 1,052Free CancellationRating
7.6
1,117 reviews
Search LOT flights
LufthansaPriceFrom C$ 1,053Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom C$ 1,121Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom C$ 1,123Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air FrancePriceFrom C$ 1,474Free CancellationRating
7.4
1,468 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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Fri 17/10
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