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Cheap flights from Ontario to Shannon from C$ 333

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SNN
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 August 2026.

Sat 5/912:09 p.m. -
2 stops18h 01m
Sat 12/91:05 p.m. -
2 stops38h 54m
Deal found 6/8C$ 720
Sat 5/96:25 p.m. -
1 stop11h 45m
Fri 18/91:05 p.m. -
1 stop29h 35m
Deal found 7/8C$ 721
Sat 5/96:25 p.m. -
1 stop11h 45m
Sat 12/91:05 p.m. -
1 stop33h 30m
Deal found 8/8C$ 724
Tue 8/912:15 p.m. -
1 stop17h 55m
Tue 15/91:05 p.m. -
1 stop15h 07m
Deal found 9/8C$ 725
Tue 8/96:25 p.m. -
1 stop11h 45m
Tue 15/91:05 p.m. -
1 stop15h 07m
Deal found 10/8C$ 728
Thu 10/912:15 p.m. -
1 stop17h 55m
Mon 14/91:05 p.m. -
1 stop13h 12m
Deal found 11/8C$ 731
Thu 10/912:15 p.m. -
1 stop17h 55m
Wed 16/91:05 p.m. -
1 stop33h 30m
Deal found 11/8C$ 771
Sun 16/86:25 p.m. -
1 stop11h 45m
Tue 25/81:05 p.m. -
2 stops24h 50m
Deal found 8/8C$ 803
Mon 21/910:55 p.m. -
1 stop16h 40m
Mon 28/99:15 p.m. -
1 stop28h 25m
Deal found 7/8C$ 835
Sun 20/910:55 p.m. -
1 stop31h 25m
Sun 27/99:15 p.m. -
1 stop28h 25m
Deal found 10/8C$ 883
Fri 25/97:40 p.m. -
1 stop16h 40m
Fri 2/104:55 p.m. -
2 stops36h 30m
Deal found 10/8C$ 886
Tue 8/99:55 p.m. -
2 stops21h 20m
Tue 15/97:05 p.m. -
3 stops42h 04m
Deal found 11/8C$ 895

Find flight deals from Ontario to Shannon

Keep the following information in mind while searching for Ontario to Shannon flight deals. Data was last updated 11 August 2026.

Round-trip from

C$ 720

One-way from

C$ 333
Delta
  • Delta
  • 5/9-18/9
  • 2 total stops
  • 33h 02m total
  • Ontario to Shannon
Search Deals
23/10
  • 23/10
  • 2 total stops
  • 17h 05m total
  • Ontario to Shannon
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 11 August 2026.
Use the filters below to find and compare flights from Ontario to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Sat 5/9

12:09 p.m.-11:10 a.m.

2 stops42h 01m

Shannon

Sat 12/9

1:05 p.m.-5:35 p.m.

1 stop33h 30m

C$ 720

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Sat 5/9

6:25 p.m.-11:10 a.m.

1 stop11h 45m

Shannon

Fri 18/9

1:05 p.m.-1:40 p.m.

1 stop29h 35m

C$ 721

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Wed 9/9

6:25 p.m.-11:10 a.m.

1 stop11h 45m

Shannon

Wed 16/9

1:05 p.m.-11:12 p.m.

1 stop15h 07m

C$ 725

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Mon 21/9

7:15 p.m.-9:30 a.m.

2 stops33h 15m

Shannon

Mon 28/9

12:40 p.m.-3:40 p.m.

1 stop32h 00m

C$ 906

OttawaShannon

YOW Ottawa - SNN Shannon

YOWSNN

Ottawa

Thu 24/9

4:00 p.m.-8:50 p.m.

2 stops23h 50m

Shannon

Thu 1/10

9:55 a.m.-12:40 p.m.

1 stop31h 45m

C$ 906

MontrealShannon

YUL Montreal Pierre Elliott Trudeau Intl - SNN Shannon

YULSNN

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

10:05 p.m.-4:35 p.m.

1 stop13h 30m

Shannon

Sun 13/9

11:20 a.m.-2:15 p.m.

1 stop31h 55m

C$ 944

OttawaShannon

YOW Ottawa - SNN Shannon

YOWSNN

Ottawa

Wed 30/9

8:55 p.m.-8:25 p.m.

2 stops42h 30m

Shannon

Thu 15/10

8:55 p.m.-12:40 p.m.

1 stop20h 45m

C$ 973

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Wed 9/9

4:15 p.m.-1:30 p.m.

2 stops16h 15m

Shannon

Wed 16/9

4:25 p.m.-3:40 p.m.

1 stop28h 15m

C$ 1,001

TorontoShannon

YTZ Toronto Island - SNN Shannon

YTZSNN

Toronto Island

Mon 21/9

6:30 p.m.-8:35 p.m.

2 stops21h 05m

Shannon

Mon 28/9

9:15 p.m.-3:50 p.m.

2 stops23h 35m

C$ 1,064

MontrealShannon

YUL Montreal Pierre Elliott Trudeau Intl - SNN Shannon

YULSNN

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

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

1 stop13h 10m

Shannon

Mon 5/10

7:30 a.m.-8:15 p.m.

1 stop17h 45m

C$ 1,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 43 resultsSorted by cheapest first
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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

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 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 Delta, United Airlines, and Aer Lingus fly from Region of Ontario to Shannon, Clare in about 20h 45m. The time it takes to get you to your destination can typically vary by up to 21h 16m. Airlines will cover a distance of 4624 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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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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