Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Shannon from C$ 630

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SNN
5 Apr — 12 Apr1
1 adult

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 March 2025.

Round-trip from

C$ 926

One-way from

C$ 630

Popular in

June

Cheapest in

October

Average price

C$ 1,199
20/6-27/6
  • 20/6-27/6
  • 3 total stops
  • 31h 35m total
  • Ontario to Shannon
15/5
  • 15/5
  • 2 total stops
  • 33h 55m total
  • Ontario to Shannon
Highest demand for flights based on searches. 12% potential increase in price (C$ 259 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 50 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 2025.

Fri 20/610:15 p.m.YYZ - SNN
1 stop13h 05mMultiple Airlines
Fri 27/611:25 p.m.SNN - YYZ
2 stops18h 30mMultiple Airlines
Deal found 30/3C$ 926
Fri 16/55:25 p.m.YYZ - SNN
2 stops17h 25mBritish Airways
Mon 26/59:15 p.m.SNN - YYZ
2 stops23h 25mBritish Airways
Deal found 30/3C$ 1,016
Wed 10/99:00 a.m.YYZ - SNN
1 stop17h 30mUnited Airlines
Sat 20/912:30 p.m.SNN - YYZ
1 stop11h 29mUnited Airlines
Deal found 30/3C$ 1,053
Sun 13/49:10 p.m.YYZ - SNN
1 stop32h 05mAir Canada
Wed 23/412:30 p.m.SNN - YYZ
2 stops26h 02mAir Canada
Deal found 30/3C$ 1,066
Sun 13/412:25 p.m.YTZ - SNN
2 stops16h 50mAir Canada
Wed 23/412:30 p.m.SNN - YTZ
2 stops26h 02mAir Canada
Deal found 30/3C$ 1,088
Wed 14/58:00 a.m.YUL - SNN
3 stops25h 45mMultiple Airlines
Wed 21/54:25 p.m.SNN - YUL
3 stops45h 56mMultiple Airlines
Deal found 30/3C$ 1,138
Mon 28/45:45 a.m.YOW - SNN
2 stops23h 30mAir Canada
Mon 5/512:30 p.m.SNN - YOW
2 stops26h 55mAir Canada
Deal found 31/3C$ 1,159
Fri 16/56:05 p.m.YYZ - SNN
1 stop16h 45mAmerican Airlines
Mon 26/59:15 p.m.SNN - YYZ
1 stop23h 45mAmerican Airlines
Deal found 29/3C$ 1,171
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 30/3C$ 1,244
Wed 14/510:10 p.m.YUL - SNN
1 stop13h 00mAmerican Airlines
Wed 21/57:40 a.m.SNN - YUL
2 stops20h 05mAmerican Airlines
Deal found 30/3C$ 1,252
Mon 28/47:00 p.m.YUL - SNN
1 stop10h 15mUnited Airlines
Mon 5/512:30 p.m.SNN - YUL
2 stops34h 55mUnited Airlines
Deal found 31/3C$ 1,277
Sun 27/41:45 p.m.YTZ - SNN
1 stop10h 40mMultiple Airlines
Sun 4/51:45 p.m.SNN - YTZ
1 stop11h 59mMultiple Airlines
Deal found 30/3C$ 2,483

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 31 March 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

Fri 20/6

10:15 p.m.-4:20 p.m.

1 stop13h 05m

Shannon

Fri 27/6

11:25 p.m.-12:55 p.m.

2 stops18h 30m

C$ 926

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Fri 16/5

5:25 p.m.-3:50 p.m.

2 stops17h 25m

Shannon

Mon 26/5

9:15 p.m.-3:40 p.m.

2 stops23h 25m

C$ 1,016

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Wed 10/9

9:00 a.m.-7:30 a.m.

1 stop17h 30m

Shannon

Sat 20/9

12:30 p.m.-6:59 p.m.

1 stop11h 29m

C$ 1,053

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Sun 13/4

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

1 stop32h 05m

Shannon

Wed 23/4

12:30 p.m.-9:32 a.m.

2 stops26h 02m

C$ 1,066

TorontoShannon

YTZ - SNN

YTZSNN

Toronto Island

Sun 13/4

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

2 stops16h 50m

Shannon

Wed 23/4

12:30 p.m.-9:32 a.m.

2 stops26h 02m

C$ 1,088

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

8:00 a.m.-2:45 p.m.

3 stops25h 45m

Shannon

Wed 21/5

4:25 p.m.-9:21 a.m.

3 stops45h 56m

C$ 1,138

OttawaShannon

YOW - SNN

YOWSNN

Ottawa

Mon 28/4

5:45 a.m.-10:15 a.m.

2 stops23h 30m

Shannon

Mon 5/5

12:30 p.m.-10:25 a.m.

2 stops26h 55m

C$ 1,159

TorontoShannon

YYZ - SNN

YYZSNN

Toronto Pearson Intl

Fri 16/5

6:05 p.m.-3:50 p.m.

1 stop16h 45m

Shannon

Mon 26/5

9:15 p.m.-4:00 p.m.

1 stop23h 45m

C$ 1,171

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

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

1 stop13h 00m

Shannon

Wed 21/5

7:40 a.m.-10:45 p.m.

2 stops20h 05m

C$ 1,252

MontrealShannon

YUL - SNN

YULSNN

Montreal Pierre Elliott Trudeau Intl

Mon 28/4

7:00 p.m.-10:15 a.m.

1 stop10h 15m

Shannon

Mon 5/5

12:30 p.m.-6:25 p.m.

2 stops34h 55m

C$ 1,277

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 15 results
1
2

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 31 March 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.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

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.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated 31 March 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines and Air Canada from Ontario to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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?

    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

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

Top 2 airlines flying from Ontario to Shannon

Discover the top 2 airlines 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 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 584AverageC$ 1,411FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 1,022AverageC$ 1,161FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.