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Cheap flights from Ontario to Shannon from C$ 695

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SNN
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Shannon

Keep the following information in mind while searching for Ontario to Shannon flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 695

Popular in

October

Cheapest in

May

Average price

C$ 1,264
American Airlines
  • American Airlines
  • 12/2-16/2
  • 2 total stops
  • 25h 40m total
  • Ontario to Shannon
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ontario to Shannon

Cheapest flights from Ontario to Shannon
Explore the most affordable flight options available from Ontario to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Mon 13/103:45 p.m.YYZ - SNN
2 stops14h 35mAmerican Airlines
Wed 29/107:50 a.m.SNN - YYZ
1 stop12h 00mAmerican Airlines
Deal found 14/9C$ 736
Mon 13/1010:00 p.m.YYZ - SNN
1 stop17h 35mAmerican Airlines
Mon 20/107:40 a.m.SNN - YYZ
2 stops20h 49mAmerican Airlines
Deal found 15/9C$ 758
Thu 9/1010:05 p.m.YYZ - SNN
1 stop17h 30mAmerican Airlines
Thu 16/107:40 a.m.SNN - YYZ
1 stop17h 35mAmerican Airlines
Deal found 15/9C$ 794
Sun 12/1010:00 p.m.YYZ - SNN
1 stop13h 10mAmerican Airlines
Sun 19/109:15 p.m.SNN - YYZ
1 stop27h 55mAmerican Airlines
Deal found 13/9C$ 829
Sun 5/1010:00 p.m.YYZ - SNN
1 stop13h 10mAmerican Airlines
Sun 12/109:15 p.m.SNN - YYZ
1 stop27h 55mAmerican Airlines
Deal found 14/9C$ 852
Tue 30/912:59 p.m.YUL - SNN
2 stops17h 21mAmerican Airlines
Wed 8/107:40 a.m.SNN - YUL
1 stop17h 35mAmerican Airlines
Deal found 13/9C$ 883
Wed 3/128:40 p.m.YUL - SNN
1 stop15h 05mAmerican Airlines
Sun 7/127:50 a.m.SNN - YUL
1 stop15h 55mAmerican Airlines
Deal found 14/9C$ 892
Mon 29/910:10 p.m.YUL - SNN
1 stop32h 10mAmerican Airlines
Mon 6/109:15 p.m.SNN - YUL
1 stop28h 00mAmerican Airlines
Deal found 13/9C$ 894
Sat 27/97:25 a.m.YUL - SNN
2 stops22h 55mAmerican Airlines
Mon 6/109:15 p.m.SNN - YUL
1 stop28h 00mAmerican Airlines
Deal found 13/9C$ 932
Mon 29/94:09 p.m.YUL - SNN
2 stops14h 11mAmerican Airlines
Sun 5/109:15 p.m.SNN - YUL
2 stops30h 29mAmerican Airlines
Deal found 13/9C$ 964
Sun 12/1010:20 a.m.YTZ - SNN
2 stops18h 55mAir Canada
Sun 19/1012:30 p.m.SNN - YTZ
2 stops33h 15mAir Canada
Deal found 13/9C$ 966
Mon 29/95:15 p.m.YUL - SNN
2 stops17h 55mAmerican Airlines
Sat 11/107:40 a.m.SNN - YUL
1 stop17h 35mAmerican Airlines
Deal found 13/9C$ 982

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Shannon 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 15 September 2025.
Use the filters below to find and compare flights from Ontario to Shannon that are best for you.

Fly from

Ontario

Fly to

Shannon

Route

Depart

Return

Price

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Thu 12/2

10:05 p.m.-4:45 p.m.

1 stop13h 40m

Shannon

Mon 16/2

7:50 a.m.-2:50 p.m.

1 stop12h 00m

C$ 695

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Mon 13/10

3:45 p.m.-11:20 a.m.

2 stops14h 35m

Shannon

Wed 29/10

7:50 a.m.-3:50 p.m.

1 stop12h 00m

C$ 736

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Fri 27/2

10:05 p.m.-3:45 p.m.

1 stop12h 40m

Shannon

Wed 4/3

7:50 a.m.-8:15 p.m.

1 stop17h 25m

C$ 746

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Mon 13/10

10:00 p.m.-8:35 p.m.

1 stop17h 35m

Shannon

Mon 20/10

7:40 a.m.-11:29 p.m.

2 stops20h 49m

C$ 758

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sun 12/10

10:00 p.m.-4:10 p.m.

1 stop13h 10m

Shannon

Sun 19/10

9:15 p.m.-8:10 p.m.

1 stop27h 55m

C$ 829

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

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

1 stop15h 05m

Shannon

Sun 7/12

7:50 a.m.-6:45 p.m.

1 stop15h 55m

C$ 892

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

2:31 p.m.-4:10 p.m.

2 stops20h 39m

Shannon

Mon 6/10

9:15 p.m.-10:40 p.m.

2 stops30h 25m

C$ 915

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

2:31 p.m.-4:10 p.m.

2 stops20h 39m

Shannon

Mon 6/10

9:15 p.m.-10:40 p.m.

2 stops30h 25m

C$ 915

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

2:31 p.m.-4:10 p.m.

2 stops20h 39m

Shannon

Tue 7/10

7:40 a.m.-10:40 p.m.

2 stops20h 00m

C$ 915

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

2:31 p.m.-11:20 a.m.

2 stops15h 49m

Shannon

Sun 5/10

9:15 p.m.-10:44 p.m.

2 stops30h 29m

C$ 964

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 31 results
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Best time to book a flight from Ontario to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon 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 Shannon

What is the cheapest time of day to fly from ON to SNN?

Find hourly flight availability from Ontario to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Shannon, Clare as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Shannon, Clare?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Shannon. 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 Shannon from Ontario?

    Shannon (SNN) is the airport you will fly into if you book a flight from Ontario to Shannon. It is only a 3.4 km journey from Shannon (SNN) to Shannon’s city centre.

  • How long is the flight from Region of Ontario to Shannon, Clare?

    Airlines like American Airlines, Air Canada, and United Airlines fly from Region of Ontario to Shannon, Clare in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 7h 30m. Airlines will cover a distance of 4756 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Region of Ontario to Shannon, Clare?

    The most popular flight routes from Region of Ontario to Shannon, Clare are Toronto Pearson Intl - Shannon, Montreal Pierre Elliott Trudeau Intl - Shannon and Toronto Island - Shannon.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Shannon 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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Alternative routes for Ontario to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to Shannon

Discover the top airline that operate flights from Ontario to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,029AverageC$ 1,221FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Shannon?

Cheapflights helps you search for flights from Ontario to Shannon via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Shannon?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Shannon by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Shannon with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Shannon, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Shannon become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Shannon from Ontario today and book when prices fit your budget.

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