What are the cheapest airlines to fly from Region of Ontario to Shannon, Clare one-way?

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 576. Users have also found prices from C$ 1,237 and C$ 1,258 on Delta and United Airlines, respectively.

In terms of precipitation, rainfall in Shannon, Clare ranges from 59.0 - 105.0 mm per month. October is typically the wettest month, when rainfall can reach 105.0 mm. April is typically the driest time to visit Shannon, Clare when rainfall is around 59.0 mm.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

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 Sarnia - Shannon.

What is the cheapest month to fly from Region of Ontario to Shannon, Clare?

May is one of the best times of the year to fly to Shannon, Clare from Region of Ontario. Prices for May average C$ 1,249 per person but you can even find prices for as low as C$ 908. The most expensive prices can be found in the month of July. Opting for a May flight can save you 10% on your journey compared to booking in July

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.

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.

C$ 358+ Flights from Ontario to Shannon

Cheap flight deals from Ontario to Shannon

Round-trip from	C$ 679
One-way from	C$ 358
Popular in	July
Cheapest in	May
Average price	C$ 1,377

American Airlines
15/10-7/4
2 total stops
36h 55m total
Ontario to Shannon

Search Deals

13/9
2 total stops
34h 45m total
Ontario to Shannon

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (C$ 115 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 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 31 July 2025.

Wed 15/1010:00 p.m.YYZ - SNN

1 stop13h 10mAmerican Airlines

Mon 6/47:40 a.m.SNN - YYZ

1 stop13h 20mAmerican Airlines

Deal found 30/7C$ 679

Thu 9/105:20 p.m.YYZ - SNN

2 stops17h 50mBritish Airways

Thu 16/107:40 a.m.SNN - YYZ

1 stop13h 20mBritish Airways

Deal found 29/7C$ 854

Sat 13/911:55 p.m.YYZ - SNN

2 stops13h 05mMultiple Airlines

Sat 20/91:35 p.m.SNN - YYZ

1 stop31h 05mMultiple Airlines

Deal found 30/7C$ 864

Sat 13/96:00 p.m.YYZ - SNN

1 stop11h 15mUnited Airlines

Sat 20/99:30 a.m.SNN - YYZ

1 stop12h 13mUnited Airlines

Deal found 30/7C$ 894

Thu 9/105:20 p.m.YYZ - SNN

2 stops13h 00mAer Lingus

Thu 16/109:15 p.m.SNN - YYZ

2 stops23h 35mAer Lingus

Deal found 29/7C$ 915

Sat 13/912:25 p.m.YTZ - SNN

2 stops16h 50mAir Canada

Sat 20/912:30 p.m.SNN - YTZ

2 stops28h 01mAir Canada

Deal found 30/7C$ 947

Fri 10/1010:00 a.m.YYZ - SNN

2 stops19h 15mAir Canada

Sat 18/1012:30 p.m.SNN - YYZ

1 stop14h 53mAir Canada

Deal found 30/7C$ 1,010

Sat 13/93:25 p.m.YTZ - SNN

2 stops14h 55mMultiple Airlines

Sat 20/97:40 a.m.SNN - YTZ

3 stops31h 05mMultiple Airlines

Deal found 30/7C$ 1,027

Wed 3/128:40 p.m.YUL - SNN

1 stop9h 50mAmerican Airlines

Sun 7/127:50 a.m.SNN - YUL

1 stop15h 55mAmerican Airlines

Deal found 29/7C$ 1,039

Best flights from Ontario to Shannon
Discover carefully curated flight deals from Ontario to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 July 2025.

Wed 15/1010:00 p.m.YYZ - SNN

1 stop13h 10mAmerican Airlines

Wed 8/47:40 a.m.SNN - YYZ

1 stop17h 30mAmerican Airlines

Deal found 30/7C$ 679

Thu 9/105:20 p.m.YYZ - SNN

2 stops17h 50mBritish Airways

Thu 16/107:40 a.m.SNN - YYZ

1 stop13h 20mBritish Airways

Deal found 29/7C$ 854

Sat 13/911:55 p.m.YYZ - SNN

2 stops13h 05mMultiple Airlines

Sat 20/91:35 p.m.SNN - YYZ

1 stop31h 05mMultiple Airlines

Deal found 30/7C$ 864

Sat 13/96:00 p.m.YYZ - SNN

1 stop11h 15mUnited Airlines

Sat 20/99:30 a.m.SNN - YYZ

1 stop12h 13mUnited Airlines

Deal found 30/7C$ 894

Thu 9/105:20 p.m.YYZ - SNN

2 stops13h 00mAer Lingus

Thu 16/109:15 p.m.SNN - YYZ

2 stops23h 35mAer Lingus

Deal found 29/7C$ 915

Sat 13/912:25 p.m.YTZ - SNN

2 stops16h 50mAir Canada

Sat 20/912:30 p.m.SNN - YTZ

2 stops28h 01mAir Canada

Deal found 30/7C$ 947

Fri 10/1012:05 p.m.YYZ - SNN

2 stops17h 10mAir Canada

Sat 18/1012:30 p.m.SNN - YYZ

2 stops24h 54mAir Canada

Deal found 30/7C$ 1,010

Sat 13/93:25 p.m.YTZ - SNN

2 stops14h 55mMultiple Airlines

Sat 20/97:40 a.m.SNN - YTZ

3 stops31h 05mMultiple Airlines

Deal found 30/7C$ 1,027

Wed 3/128:40 p.m.YUL - SNN

1 stop9h 50mAmerican Airlines

Sun 7/127:50 a.m.SNN - YUL

1 stop15h 55mAmerican Airlines

Deal found 29/7C$ 1,039

Last-minute flights from Ontario to Shannon
Discover last-minute flight deals from Ontario to Shannon. Data last updated 31 July 2025 and is based on user searches.

Sat 2/87:25 a.m.YTZ - SNN

2 stops21h 50mAir Canada

Sat 9/812:30 p.m.SNN - YTZ

2 stops24h 36mAir Canada

Deal found 29/7C$ 1,757

Sat 2/81:25 p.m.YTZ - SNN

1 stop11h 00mMultiple Airlines

Sat 9/81:45 p.m.SNN - YTZ

1 stop11h 49mMultiple Airlines

Deal found 29/7C$ 3,963

Wed 27/812:05 p.m.YYZ - SNN

2 stops17h 10mUnited Airlines

Wed 3/912:30 p.m.SNN - YYZ

2 stops26h 28mUnited Airlines

Deal found 30/7C$ 1,006

Thu 28/85:40 p.m.YYZ - SNN

2 stops24h 20mMultiple Airlines

Thu 4/99:50 p.m.SNN - YYZ

1 stop22h 50mMultiple Airlines

Deal found 29/7C$ 978

One-way flights from Ontario to Shannon
Search for one-way flight options from Ontario to Shannon. Find affordable one-way fares based on user searches. Data last updated 31 July 2025.

Sat 13/911:55 p.m.YYZ - SNN

2 stops34h 45mMultiple Airlines

Deal found 29/7C$ 358

Fri 12/96:55 p.m.YTZ - SNN

2 stops17h 25mMultiple Airlines

Deal found 29/7C$ 469

Wed 22/1012:25 p.m.YTZ - SNN

2 stops16h 50mAir Canada

Deal found 30/7C$ 576

Tue 21/1012:30 a.m.YYZ - SNN

2 stops28h 45mAir Canada

Deal found 30/7C$ 592

Sun 28/123:30 p.m.YYZ - SNN

2 stops15h 00mAmerican Airlines

Deal found 31/7C$ 879

Fri 12/912:10 p.m.YYZ - SNN

1 stop18h 00mDelta

Deal found 29/7C$ 1,237

Fri 12/99:00 a.m.YYZ - SNN

2 stops20h 15mUnited Airlines

Deal found 29/7C$ 1,258

Sun 14/95:55 a.m.YOW - SNN

2 stops48h 15mDelta

Deal found 31/7C$ 1,861

Sun 14/910:37 a.m.YOW - SNN

1 stop15h 53mUnited Airlines

Deal found 31/7C$ 2,085

Fly from

Fly to

Route

Depart

Return

Price

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Wed 15/10

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

1 stop13h 10m

Shannon

Wed 8/4

7:40 a.m.-8:10 p.m.

1 stop17h 30m

C$ 679

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Thu 9/10

5:20 p.m.-4:10 p.m.

2 stops17h 50m

Shannon

Thu 16/10

7:40 a.m.-4:00 p.m.

1 stop13h 20m

C$ 854

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sat 13/9

11:55 p.m.-6:00 p.m.

2 stops13h 05m

Shannon

Sat 20/9

1:35 p.m.-3:40 p.m.

1 stop31h 05m

C$ 864

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sat 13/9

6:00 p.m.-10:15 a.m.

1 stop11h 15m

Shannon

Sat 20/9

9:30 a.m.-4:43 p.m.

1 stop12h 13m

C$ 894

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Thu 9/10

5:20 p.m.-11:20 a.m.

2 stops13h 00m

Shannon

Thu 16/10

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

2 stops23h 35m

C$ 915

TorontoShannon

YTZ - SNN

YTZSNN

Toronto Island

Sat 13/9

12:25 p.m.-10:15 a.m.

2 stops16h 50m

Shannon

Sat 20/9

12:30 p.m.-11:31 a.m.

2 stops28h 01m

C$ 947

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Fri 10/10

12:05 p.m.-10:15 a.m.

2 stops17h 10m

Shannon

Sat 18/10

12:30 p.m.-8:24 a.m.

2 stops24h 54m

C$ 1,010

TorontoShannon

YTZ - SNN

YTZSNN

Toronto Island

Sat 13/9

3:25 p.m.-11:20 a.m.

2 stops14h 55m

Shannon

Sat 20/9

7:40 a.m.-9:45 a.m.

3 stops31h 05m

C$ 1,027

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

8:40 p.m.-11:30 a.m.

1 stop9h 50m

Shannon

Sun 7/12

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

1 stop15h 55m

C$ 1,039

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sat 13/9

11:55 p.m.-3:40 p.m.

2 stops34h 45m

C$ 358

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 18 results

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?

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.

Reviews of airlines servicing Shannon

Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to Shannon. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

United Airlines

7.4

Good

8,900 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Air Canada

7.1

Good

9,851 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Aer Lingus

7.1

Good

1,192 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

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.
What are the cheapest airlines to fly from Region of Ontario to Shannon, Clare one-way?
For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 576. Users have also found prices from C$ 1,237 and C$ 1,258 on Delta and United Airlines, respectively.
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 Sarnia - 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Shannon

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Toronto Island to Dublin flights

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Pierre Elliott Trudeau Intl to Dublin flights

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Pearson Intl to Shannon flights

Terrace to Dublin flights

Pearson Intl to Cork flights

Thunder Bay to Dublin flights

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Kamloops to Dublin flights

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Pierre Elliott Trudeau Intl to Cork flights

Moncton to Dublin flights

St John to Dublin flights

London to Dublin flights

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Pearson Intl to Knock flights

Kamloops to Cork flights

Windsor to Dublin flights

Pearson Intl to Milltown (Kerry) flights

Calgary to Shannon flights

Smithers to Dublin flights

North Bay to Dublin flights

London to Shannon flights

London to Cork flights

Prince George to Dublin flights

Medicine Hat to Dublin flights

Pierre Elliott Trudeau Intl to Shannon flights

Pierre Elliott Trudeau Intl to Knock flights

Pierre Elliott Trudeau Intl to Milltown (Kerry) flights

Top airline flying from Ontario to Shannon

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 565	AverageC$ 1,243	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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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Cheap flights from Ontario to Shannon from C$ 358

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 31 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Shannon

Cheapest flights from Ontario to ShannonExplore 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 31 July 2025.

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 31 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Shannon that are best for you.

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.

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 31 July 2025.

Reviews of airlines servicing Shannon

Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to Shannon. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines to fly from Region of Ontario to Shannon, Clare one-way?

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

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

How can I find direct flights from Ontario to Shannon?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Shannon

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Shannon

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 31 July 2025.