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Cheap flights from Shannon to Ontario from C$ 426

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — YYZ
27 Apr — 4 May1
1 adult

Cheap flight deals from Shannon to Ontario

Keep the following information in mind while searching for Shannon to Ontario flight deals. Data was last updated 22 April 2025.

Round-trip from

C$ 839

One-way from

C$ 426
United Airlines
  • United Airlines
  • 8/5-12/5
  • 3 total stops
  • 31h 23m total
  • Shannon to Ontario
Search Deals
17/6
  • 17/6
  • 3 total stops
  • 47h 21m total
  • Shannon to Ontario
Search Deals

Find flight deals from Shannon to Ontario

Cheapest flights from Shannon to Ontario
Explore the most affordable flight options available from Shannon to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.

Thu 1/510:50 a.m.SNN - YYZ
2 stops35h 35mMultiple Airlines
Mon 5/510:45 p.m.YYZ - SNN
1 stop12h 50mMultiple Airlines
Deal found 21/4C$ 810
Mon 28/412:30 p.m.SNN - YYZ
1 stop11h 30mAir Canada
Sun 4/56:00 p.m.YYZ - SNN
1 stop11h 15mAir Canada
Deal found 21/4C$ 822
Mon 28/412:30 p.m.SNN - YTZ
2 stops31h 20mAir Canada
Sun 4/54:20 p.m.YTZ - SNN
2 stops12h 55mAir Canada
Deal found 21/4C$ 822
Mon 28/412:30 p.m.SNN - YYZ
2 stops15h 37mUnited Airlines
Sun 4/56:00 p.m.YYZ - SNN
1 stop11h 15mUnited Airlines
Deal found 21/4C$ 831
Thu 5/69:15 p.m.SNN - YYZ
2 stops23h 25mAer Lingus
Thu 12/65:20 p.m.YYZ - SNN
2 stops13h 00mAer Lingus
Deal found 21/4C$ 879
Fri 6/69:30 a.m.SNN - YUL
1 stop33h 25mUnited Airlines
Fri 13/69:15 a.m.YUL - SNN
2 stops20h 00mUnited Airlines
Deal found 21/4C$ 892
Fri 6/612:30 p.m.SNN - YUL
1 stop14h 36mAir Canada
Fri 13/66:20 p.m.YUL - SNN
1 stop10h 55mAir Canada
Deal found 21/4C$ 908
Thu 8/52:40 p.m.SNN - YUL
1 stop24h 54mMultiple Airlines
Mon 12/58:00 p.m.YUL - SNN
1 stop28h 55mMultiple Airlines
Deal found 22/4C$ 961
Thu 5/61:45 p.m.SNN - YTZ
1 stop11h 59mMultiple Airlines
Thu 12/61:25 p.m.YTZ - SNN
1 stop11h 00mMultiple Airlines
Deal found 21/4C$ 1,592

Cheapflights Fare Finder

Customize your flight search to find flights from Shannon to Ontario 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 22 April 2025.
Use the filters below to find and compare flights from Shannon to Ontario that are best for you.

Fly from

Shannon

Fly to

Ontario

Route

Depart

Return

Price

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Thu 8/5

12:30 p.m.-10:23 p.m.

1 stop14h 53m

Toronto Pearson Intl

Mon 12/5

12:45 p.m.-10:15 a.m.

2 stops16h 30m

C$ 839

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Thu 5/6

12:30 p.m.-7:00 p.m.

1 stop11h 30m

Toronto Pearson Intl

Thu 12/6

5:30 p.m.-10:15 a.m.

1 stop11h 45m

C$ 846

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Thu 5/6

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

2 stops23h 25m

Toronto Pearson Intl

Thu 12/6

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

2 stops13h 00m

C$ 879

ShannonMontreal

SNN - YUL

SNNYUL

Shannon

Fri 6/6

12:30 p.m.-11:28 a.m.

2 stops27h 58m

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

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

2 stops20h 00m

C$ 892

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Thu 8/5

12:30 p.m.-7:00 p.m.

1 stop11h 30m

Toronto Pearson Intl

Mon 12/5

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

1 stop32h 05m

C$ 903

ShannonMontreal

SNN - YUL

SNNYUL

Shannon

Fri 6/6

12:30 p.m.-10:06 p.m.

1 stop14h 36m

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

1:00 p.m.-10:15 a.m.

2 stops16h 15m

C$ 908

ShannonMontreal

SNN - YUL

SNNYUL

Shannon

Thu 8/5

2:40 p.m.-10:34 a.m.

1 stop24h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 12/5

8:00 p.m.-5:55 a.m.

1 stop28h 55m

C$ 961

ShannonToronto

SNN - YTZ

SNNYTZ

Shannon

Thu 5/6

7:40 a.m.-6:37 p.m.

2 stops15h 57m

Toronto Island

Thu 12/6

4:20 p.m.-11:20 a.m.

2 stops14h 00m

C$ 1,015

ShannonToronto

SNN - YTZ

SNNYTZ

Shannon

Thu 5/6

1:45 p.m.-8:44 p.m.

1 stop11h 59m

Toronto Island

Thu 12/6

1:25 p.m.-5:25 a.m.

1 stop11h 00m

C$ 1,592

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Tue 17/6

10:30 p.m.-4:51 p.m.

3 stops47h 21m

C$ 426

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 12 results
1
2

Best time to book a flight from Shannon to Ontario

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 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 Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 22 April 2025.
Read reviews from past customers who have flown United Airlines, Air Canada and Aer Lingus from Shannon to Ontario. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,683 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

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??
United Airlines
7.4
Good
8,683 reviews
United Airlines
7.4
Good
8,683 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

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??
Air Canada
7.0
Good
9,179 reviews
United Airlines
7.4
Good
8,683 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

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??
Aer Lingus
7.0
Good
1,067 reviews
United Airlines
7.4
Good
8,683 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

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 Shannon to Ontario. 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 from for flights from Shannon to Ontario?

    Located just 3.4 km from the city centre, Shannon (SNN) is the airport most travellers will use when flying to Ontario from Shannon.

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

    When deciding which route to take from Shannon, Clare to Region of Ontario consider Shannon - Toronto Island, Shannon - Toronto Pearson Intl or Shannon - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Shannon to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Shannon, Clare to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to Region of Ontario (average of C$ 167). Flying from Shannon, Clare to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

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Yes! Cheapflights helps users easily find flights from Shannon to Ontario with no change fees.

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

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

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