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Cheap flights from Ontario to Brest from C$ 512

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BES
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Brest

Keep the following information in mind while searching for Ontario to Brest flight deals. Data was last updated 17 September 2025.

Round-trip from

C$ 893

One-way from

C$ 512
Delta
  • Delta
  • 6/11-19/11
  • 2 total stops
  • 22h 15m total
  • Ontario to Brest
Search Deals
2/12
  • 2/12
  • 2 total stops
  • 37h 50m total
  • Ontario to Brest
Search Deals

Find flight deals from Ontario to Brest

Cheapest flights from Ontario to Brest
Explore the most affordable flight options available from Ontario to Brest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 6/115:00 p.m.YUL - BES
1 stop10h 15mDelta
Wed 19/116:15 a.m.BES - YUL
1 stop12h 00mDelta
Deal found 17/9C$ 893
Thu 13/115:00 p.m.YUL - BES
1 stop11h 10mDelta
Thu 8/13:05 p.m.BES - YUL
2 stops32h 15mDelta
Deal found 17/9C$ 949
Thu 6/114:39 p.m.YUL - BES
2 stops15h 31mKLM
Wed 19/1110:05 a.m.BES - YUL
2 stops13h 15mKLM
Deal found 17/9C$ 964
Fri 14/115:00 p.m.YUL - BES
1 stop10h 15mDelta
Fri 9/16:15 a.m.BES - YUL
2 stops17h 05mDelta
Deal found 17/9C$ 975
Fri 24/105:00 p.m.YUL - BES
1 stop11h 55mAir France
Sun 2/117:10 p.m.BES - YUL
1 stop26h 10mAir France
Deal found 16/9C$ 1,028
Thu 13/115:00 p.m.YUL - BES
1 stop11h 10mAir France
Thu 8/13:05 p.m.BES - YUL
1 stop30h 15mAir France
Deal found 17/9C$ 1,153
Fri 14/115:00 p.m.YUL - BES
1 stop10h 15mKLM
Fri 9/16:15 a.m.BES - YUL
1 stop12h 00mKLM
Deal found 17/9C$ 1,164
Thu 13/117:05 p.m.YUL - BES
1 stop13h 05mKLM
Thu 8/16:15 a.m.BES - YUL
1 stop12h 00mKLM
Deal found 15/9C$ 1,197

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Brest 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 17 September 2025.
Use the filters below to find and compare flights from Ontario to Brest that are best for you.

Fly from

Ontario

Fly to

Brest

Route

Depart

Return

Price

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

5:00 p.m.-9:15 a.m.

1 stop10h 15m

Brest Guipavas

Wed 19/11

6:15 a.m.-12:15 p.m.

1 stop12h 00m

C$ 893

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

5:00 p.m.-10:10 a.m.

1 stop11h 10m

Brest Guipavas

Thu 8/1

3:05 p.m.-5:20 p.m.

2 stops32h 15m

C$ 949

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

4:39 p.m.-2:10 p.m.

2 stops15h 31m

Brest Guipavas

Wed 19/11

10:05 a.m.-5:20 p.m.

2 stops13h 15m

C$ 964

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Fri 14/11

5:00 p.m.-9:15 a.m.

1 stop10h 15m

Brest Guipavas

Fri 9/1

6:15 a.m.-5:20 p.m.

2 stops17h 05m

C$ 975

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

5:00 p.m.-10:10 a.m.

1 stop11h 10m

Brest Guipavas

Thu 8/1

3:05 p.m.-3:20 p.m.

1 stop30h 15m

C$ 1,153

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Fri 14/11

5:00 p.m.-9:15 a.m.

1 stop10h 15m

Brest Guipavas

Fri 9/1

6:15 a.m.-12:15 p.m.

1 stop12h 00m

C$ 1,164

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

7:05 p.m.-2:10 p.m.

1 stop13h 05m

Brest Guipavas

Thu 8/1

6:15 a.m.-12:15 p.m.

1 stop12h 00m

C$ 1,197

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

5:10 p.m.-1:00 p.m.

2 stops37h 50m

C$ 512

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

5:25 p.m.-10:50 p.m.

3 stops48h 25m

C$ 713

MontrealBrest

YUL - BES

YULBES

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

4:15 p.m.-6:20 p.m.

2 stops21h 05m

C$ 770

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 14 results
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Best time to book a flight from Ontario to Brest

Have a flexible travel schedule? Discover the best time to fly to Brest from Ontario 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 Ontario to Brest
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Brest. 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 into for flights to Brest from Ontario?

    Brest Guipavas (BES), located 7.2 km from the city centre, is the airport you fly into when you book flights from Ontario to Brest.

  • How long is the flight from Region of Ontario to Brest?

    Departing from Region of Ontario to Brest will take you 10h 15m. The distance between Region of Ontario and Brest is about 5086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Ontario to Brest that include hotel bookings?

    Yes. In addition to deals on Ontario to Brest flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Brest?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Brest.

  • Can I find deals for business class flights from Ontario to Brest?

    Yes. Cheapflights offers flight deals from Ontario to Brest 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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