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St. Mary's

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St. Mary's Flights as Low as $215

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Air Canada
Tue, Aug 11 - Thu, Aug 13
IAD
Washington Dulles Intl.
YTZ
Billy Bishop Toronto City
$215 Roundtrip, found 4 hours ago
$215
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Tue, Aug 11 from Washington Dulles Intl. to Billy Bishop Toronto City, returning Thu, Aug 13, priced at $215 found 4 hours ago
Porter Airlines
Tue, Aug 11 - Thu, Aug 13
IAD
Washington Dulles Intl.
YTZ
Billy Bishop Toronto City
$236 Roundtrip, found 4 hours ago
$236
Roundtrip
found 4 hours ago
Select Porter Airlines flight, departing Tue, Aug 11 from Washington Dulles Intl. to Billy Bishop Toronto City, returning Thu, Aug 13, priced at $236 found 4 hours ago
Air Canada
Sat, Sep 12 - Mon, Sep 28
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$239 Roundtrip, found 4 hours ago
$239
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Sat, Sep 12 from Washington Dulles Intl. to Pearson Intl., returning Mon, Sep 28, priced at $239 found 4 hours ago
Air Canada
Tue, Aug 11 - Thu, Aug 13
IAD
Washington Dulles Intl.
YTZ
Billy Bishop Toronto City
$245 Roundtrip, found 4 hours ago
$245
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Tue, Aug 11 from Washington Dulles Intl. to Billy Bishop Toronto City, returning Thu, Aug 13, priced at $245 found 4 hours ago
Air Canada
Sun, Aug 9 - Thu, Aug 13
DCA
Ronald Reagan Washington National
YTZ
Billy Bishop Toronto City
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Aug 9 from Ronald Reagan Washington National to Billy Bishop Toronto City, returning Thu, Aug 13, priced at $253 found 1 day ago
Air Canada
Wed, Aug 26 - Wed, Aug 26
BOS
Logan Intl.
YYZ
Pearson Intl.
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Aug 26 from Logan Intl. to Pearson Intl., returning Wed, Aug 26, priced at $259 found 2 days ago
Air Canada
Tue, Aug 11 - Tue, Aug 11
DCA
Ronald Reagan Washington National
YYZ
Pearson Intl.
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Aug 11 from Ronald Reagan Washington National to Pearson Intl., returning Tue, Aug 11, priced at $268 found 1 day ago
Delta
Sat, Sep 12 - Mon, Sep 28
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$270 Roundtrip, found 4 hours ago
$270
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 12 from Washington Dulles Intl. to Pearson Intl., returning Mon, Sep 28, priced at $270 found 4 hours ago
Porter Airlines
Tue, Aug 11 - Thu, Aug 13
BOS
Logan Intl.
YTZ
Billy Bishop Toronto City
$272 Roundtrip, found 1 day ago
$272
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Tue, Aug 11 from Logan Intl. to Billy Bishop Toronto City, returning Thu, Aug 13, priced at $272 found 1 day ago
Air Transat
Wed, Aug 26 - Wed, Aug 26
BOS
Logan Intl.
YYZ
Pearson Intl.
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select Air Transat flight, departing Wed, Aug 26 from Logan Intl. to Pearson Intl., returning Wed, Aug 26, priced at $279 found 2 days ago
American Airlines
Wed, Aug 26 - Wed, Aug 26
BOS
Logan Intl.
YYZ
Pearson Intl.
$300 Roundtrip, found 2 days ago
$300
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Aug 26 from Logan Intl. to Pearson Intl., returning Wed, Aug 26, priced at $300 found 2 days ago
United
Wed, Aug 12 - Tue, Aug 18
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 12 from Washington Dulles Intl. to Pearson Intl., returning Tue, Aug 18, priced at $309 found 1 day ago
Bargain Flight
Sun, Aug 9 - Sat, Aug 15
IAD
Washington Dulles Intl.
YKF
Region of Waterloo Intl.
$580 Roundtrip, found 3 hours ago
$580
Roundtrip
found 3 hours ago
Select Bargain Flight flight, departing Sun, Aug 9 from Washington Dulles Intl. to Region of Waterloo Intl., returning Sat, Aug 15, priced at $580 found 3 hours ago
American Airlines
Fri, Aug 14 - Sat, Aug 15
GRB
Austin Straubel Intl.
YYZ
Pearson Intl.
$593 Roundtrip, found 4 hours ago
$593
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Aug 14 from Austin Straubel Intl. to Pearson Intl., returning Sat, Aug 15, priced at $593 found 4 hours ago
United
Fri, Aug 14 - Sat, Aug 15
GRB
Austin Straubel Intl.
YTZ
Billy Bishop Toronto City
$894 Roundtrip, found 4 hours ago
$894
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Aug 14 from Austin Straubel Intl. to Billy Bishop Toronto City, returning Sat, Aug 15, priced at $894 found 4 hours ago
United
Fri, Aug 14 - Sat, Aug 15
GRB
Austin Straubel Intl.
YKF
Region of Waterloo Intl.
$1,029 Roundtrip, found 4 hours ago
$1,029
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Aug 14 from Austin Straubel Intl. to Region of Waterloo Intl., returning Sat, Aug 15, priced at $1,029 found 4 hours ago

Cheap Flights to St. Mary's

Fall in love at first flight with your vacation to St. Mary's by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to St. Mary's on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in St. Mary's, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to St. Mary's

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to St. Mary's with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the YXU airport.

What is the cheapest month to fly to St. Mary's?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to St. Mary's are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to St. Mary's?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 15 to choose from for your flight to St. Mary's.

What airport is best to fly into St. Mary's?

When you’re planning your trip to St. Mary's, convenience is the name of the game. Luckily, St. Mary's London Intl. Airport is nearby so you can deplane and get going on checking off everything on your St. Mary's must-do list.

How much are flights to St. Mary's?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to St. Mary's on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $215, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to St. Mary's?

The trick to saving a stack of cash on your flight to St. Mary's? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $215 right now, why wait?

St. Mary's Flight Information
Destination airport
Pearson Intl.
Destination airport IATA code
YYZ
Roundtrip price
$145

Last Minute Hotel Deals in St. Mary's

Stone Willow Inn

Stone Willow Inn

2.5 out of 5
940 Queen St E St. Mary's ON
Book a stay at this business-friendly hotel in St. Mary's. Enjoy free WiFi, free parking, and a fitness center. Popular attractions St. Marys Museum and St. ...
8.2/10 Very Good! (244 reviews)
"Very comfortable stay. Travelled during prime farm season. The smell of manure/ fertilizer was very strong. Thankfully not much in my room."

Reviewed on Jul 27, 2026

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Stone Willow Inn
Westover Inn

Westover Inn

3.5 out of 5
300 Thomas Street St. Mary's ON
Book a stay at this historic hotel in St. Mary's. Enjoy free WiFi, free parking, and a garden. Our guests praise the helpful staff in our reviews. Popular attractions ...
8.2/10 Very Good! (366 reviews)
"This is a converted home, well over 100 years old. Limited amount of parking. The rooms are on the small size, with only one chair. Wifi is not the best and TV acted up during our stay. The staff are wonderful and we enjoyed our meal. The menu is not very large but enough selection, if possible try ..."

Reviewed on Jul 26, 2026

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Westover Inn
The Penrose Suites

The Penrose Suites

4 out of 5
725 Queen St E Saint Marys ON
Book a stay at this golf aparthotel in St. Mary's. Enjoy free WiFi, free parking, and daily housekeeping. Popular attractions St. Mary's Farmers' Market and ...
9.6/10 Exceptional! (27 reviews)
"Very clean room and lovely accommodations. I would highly recommend the Penrose Suites. Greta view of golf course. Quiet."

Reviewed on Jul 15, 2026

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The Penrose Suites
Hard Rock Hotel London Ontario

Hard Rock Hotel London Ontario

4 out of 5
100 Kellogg Lane London ON
Book a stay at this family-friendly hotel in London. Enjoy free WiFi, 2 restaurants, and a nightclub. Popular attractions Western Fair District and Aeolian Hall ...
9.4/10 Exceptional! (960 reviews)
"The hotel was immaculate. The pool was quite nice being an indoor and outdoor pool. The room itself was very clean and updated. However, upon arrival the TV and internet wasn’t working and the sink in our main bath didn’t drain. The alarm clock was also pre set so it went off at midnight which was ..."

Reviewed on Jul 28, 2026

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Hard Rock Hotel London Ontario
The Park Hotel London

The Park Hotel London

3.5 out of 5
242 Pall Mall Street London ON
Book a stay at this business-friendly hotel in London. Enjoy free breakfast, room service, and a fitness center. Our guests praise the helpful staff and the ...
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The Park Hotel London
Spencer Hotel and Conference Centre

Spencer Hotel and Conference Centre

3 out of 5
551 Windermere Rd London ON
Book a stay at this business-friendly hotel in London. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the breakfast and the helpful ...
9/10 Wonderful! (1,747 reviews)
"N/a"

Reviewed on Jul 27, 2026

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Spencer Hotel and Conference Centre
Delta Hotels by Marriott London Armouries

Delta Hotels by Marriott London Armouries

4 out of 5
325 Dundas St London ON
Book a stay at this business-friendly hotel in London. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the ...
9/10 Wonderful! (1,006 reviews)
"Wonderful experience from start to finish front of house staff were very helpful in accommodating our early check-in, room was very clean, and bed was comfortable. Looking forward to our next stay. Very grateful to housekeeping, staff, and valet service staff while at our stay. Thank you all!"

Reviewed on Jul 27, 2026

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Delta Hotels by Marriott London Armouries
Sandman Hotel & Suites London Downtown

Sandman Hotel & Suites London Downtown

2.5 out of 5
374 Dundas St London ON
Book a stay at this business-friendly hotel in London. Enjoy free breakfast, free WiFi, and parking (surcharge). Our guests praise the helpful staff and the ...
7.4/10 Good! (1,524 reviews)
"Pros: - hotel was well-maintained - Staff were kind, courteous, and friendly - continental breakfast was available for a longer duration during the weekends - Cleaning staff were present and available when needed - coffee machine was available within the hotel room Cons - hotel room does not have ..."

Reviewed on Jul 26, 2026

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Sandman Hotel & Suites London Downtown
See all 311 properties in St. Mary's
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.