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Cheap flights from Ontario to Shannon from C$ 565

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SNN
2 Dec — 9 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Shannon

Enter your travel dates to find the best prices.

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 2 November 2025.

Mon 17/114:44 p.m.YYZ - SNN
2 stops13h 46mAmerican Airlines
Tue 2/127:50 a.m.SNN - YYZ
1 stop12h 00mAmerican Airlines
Deal found 2/11C$ 734
Sun 30/115:25 p.m.YYZ - SNN
2 stops13h 05mMultiple Airlines
Sun 7/128:05 p.m.SNN - YYZ
1 stop23h 45mMultiple Airlines
Deal found 2/11C$ 926
Mon 17/114:44 p.m.YYZ - SNN
2 stops13h 46mBritish Airways
Tue 2/125:30 p.m.SNN - YYZ
1 stop26h 20mBritish Airways
Deal found 2/11C$ 941
Mon 17/114:44 p.m.YYZ - SNN
2 stops13h 46mMultiple Airlines
Tue 2/127:50 a.m.SNN - YYZ
2 stops18h 39mMultiple Airlines
Deal found 2/11C$ 969
Sun 30/115:25 p.m.YYZ - SNN
2 stops13h 05mAer Lingus
Sun 7/128:05 p.m.SNN - YYZ
2 stops24h 50mAer Lingus
Deal found 1/11C$ 988
Wed 3/123:50 p.m.YUL - SNN
2 stops19h 55mAmerican Airlines
Sun 7/127:50 a.m.SNN - YUL
1 stop15h 55mAmerican Airlines
Deal found 2/11C$ 1,100
Sun 30/116:45 p.m.YTZ - SNN
2 stops17h 00mMultiple Airlines
Sun 7/127:50 a.m.SNN - YTZ
2 stops15h 23mMultiple Airlines
Deal found 1/11C$ 1,136
Sat 29/1110:30 a.m.YTZ - SNN
2 stops20h 00mAir Canada
Sat 6/125:25 p.m.SNN - YTZ
2 stops33h 03mAir Canada
Deal found 1/11C$ 1,259
Mon 17/1112:30 p.m.YTZ - SNN
2 stops20h 40mMultiple Airlines
Tue 2/122:45 p.m.SNN - YTZ
1 stop11h 10mMultiple Airlines
Deal found 2/11C$ 1,422
Mon 17/113:30 p.m.YTZ - SNN
2 stops15h 00mAir Canada
Tue 2/127:50 a.m.SNN - YTZ
2 stops17h 05mAir Canada
Deal found 1/11C$ 1,463
Tue 16/121:20 p.m.YTZ - SNN
1 stop12h 00mMultiple Airlines
Tue 23/122:45 p.m.SNN - YTZ
1 stop26h 30mMultiple Airlines
Deal found 1/11C$ 1,640
Sat 29/118:00 a.m.YTZ - SNN
1 stop17h 20mMultiple Airlines
Sat 6/122:45 p.m.SNN - YTZ
1 stop23h 10mMultiple Airlines
Deal found 1/11C$ 1,767

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 2 November 2025.

Round-trip from

C$ 769

One-way from

C$ 565

Popular in

October

Cheapest in

November

Average price

C$ 756
American Airlines
  • American Airlines
  • 17/11-2/12
  • 4 total stops
  • 65h 08m total
  • Ontario to Shannon
Search Deals
10/11
  • 10/11
  • 1 total stop
  • 16h 20m total
  • Ontario to Shannon
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 2 November 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

Mon 17/11

4:44 p.m.-11:30 a.m.

2 stops13h 46m

Shannon

Tue 2/12

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

1 stop12h 00m

C$ 734

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sun 30/11

5:25 p.m.-11:30 a.m.

2 stops13h 05m

Shannon

Sun 7/12

8:05 p.m.-2:50 p.m.

1 stop23h 45m

C$ 926

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Mon 17/11

4:44 p.m.-11:30 a.m.

2 stops13h 46m

Shannon

Tue 2/12

5:30 p.m.-2:50 p.m.

1 stop26h 20m

C$ 941

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sun 15/3

3:50 p.m.-11:30 a.m.

2 stops15h 40m

Shannon

Sun 22/3

7:50 a.m.-9:51 p.m.

2 stops18h 01m

C$ 947

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Mon 17/11

4:44 p.m.-11:30 a.m.

2 stops13h 46m

Shannon

Tue 2/12

7:50 a.m.-9:29 p.m.

2 stops18h 39m

C$ 969

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sun 30/11

5:25 p.m.-11:30 a.m.

2 stops13h 05m

Shannon

Sun 7/12

8:05 p.m.-3:55 p.m.

2 stops24h 50m

C$ 988

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

9:50 p.m.-3:45 p.m.

1 stop13h 55m

Shannon

Tue 24/3

7:50 a.m.-3:00 p.m.

2 stops35h 10m

C$ 1,094

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

3:50 p.m.-4:45 p.m.

2 stops19h 55m

Shannon

Sun 7/12

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

1 stop15h 55m

C$ 1,100

TorontoShannon

YTZ - SNN

YTZSNN

Toronto Island

Sun 30/11

6:45 p.m.-4:45 p.m.

2 stops17h 00m

Shannon

Sun 7/12

7:50 a.m.-6:13 p.m.

2 stops15h 23m

C$ 1,136

TorontoShannon

YTZ - SNN

YTZSNN

Toronto Island

Sat 29/11

10:30 a.m.-11:30 a.m.

2 stops20h 00m

Shannon

Sat 6/12

5:25 p.m.-9:28 p.m.

2 stops33h 03m

C$ 1,259

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 23 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 2 November 2025.

When flying from Region of Ontario to Shannon, Clare, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 3% versus a flight in the morning.

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 and Air Canada fly from Region of Ontario to Shannon, Clare in about 13h 46m. The time it takes to get you to your destination can typically vary by up to 6h 14m. Airlines will cover a distance of 5116 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, Toronto Island - Shannon and Ottawa - 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 2 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,043AverageC$ 1,133FlexibilityNo 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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