Search Cheap Flights to
St. Mary's

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

St. Mary's Flights as Low as $129

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

Flair Airlines
Wed, Sep 10 - Wed, Sep 24
YEG
Edmonton Intl.
YYZ
Pearson Intl.
$129 Roundtrip, found 5 hours ago
$129
Roundtrip
found 5 hours ago
Select Flair Airlines flight, departing Wed, Sep 10 from Edmonton Intl. to Pearson Intl., returning Wed, Sep 24, priced at $129 found 5 hours ago
Flair Airlines
Thu, Oct 23 - Thu, Oct 23
YYC
Calgary Intl.
YYZ
Pearson Intl.
$135 Roundtrip, found 18 hours ago
$135
Roundtrip
found 18 hours ago
Select Flair Airlines flight, departing Thu, Oct 23 from Calgary Intl. to Pearson Intl., returning Thu, Oct 23, priced at $135 found 18 hours ago
Porter Airlines
Thu, Sep 4 - Fri, Sep 5
YEG
Edmonton Intl.
YHM
John C. Munro Hamilton Intl.
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Thu, Sep 4 from Edmonton Intl. to John C. Munro Hamilton Intl., returning Fri, Sep 5, priced at $159 found 2 days ago
WestJet
Wed, Sep 10 - Wed, Sep 24
YEG
Edmonton Intl.
YYZ
Pearson Intl.
$165 Roundtrip, found 5 hours ago
$165
Roundtrip
found 5 hours ago
Select WestJet flight, departing Wed, Sep 10 from Edmonton Intl. to Pearson Intl., returning Wed, Sep 24, priced at $165 found 5 hours ago
Air Canada
Wed, Sep 10 - Wed, Sep 24
YEG
Edmonton Intl.
YYZ
Pearson Intl.
$165 Roundtrip, found 5 hours ago
$165
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Wed, Sep 10 from Edmonton Intl. to Pearson Intl., returning Wed, Sep 24, priced at $165 found 5 hours ago
WestJet
Thu, Oct 16 - Thu, Oct 23
YYC
Calgary Intl.
YXU
London Intl.
$173 Roundtrip, found 4 days ago
$173
Roundtrip
found 4 days ago
Select WestJet flight, departing Thu, Oct 16 from Calgary Intl. to London Intl., returning Thu, Oct 23, priced at $173 found 4 days ago
Air Transat
Thu, Oct 23 - Thu, Oct 23
YYC
Calgary Intl.
YYZ
Pearson Intl.
$175 Roundtrip, found 18 hours ago
$175
Roundtrip
found 18 hours ago
Select Air Transat flight, departing Thu, Oct 23 from Calgary Intl. to Pearson Intl., returning Thu, Oct 23, priced at $175 found 18 hours ago
Porter Airlines
Fri, Sep 5 - Sat, Sep 6
YYC
Calgary Intl.
YHM
John C. Munro Hamilton Intl.
$185 Roundtrip, found 1 day ago
$185
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Fri, Sep 5 from Calgary Intl. to John C. Munro Hamilton Intl., returning Sat, Sep 6, priced at $185 found 1 day ago
Porter Airlines
Sat, Nov 22 - Sat, Nov 22
YYT
St. John's Intl.
YYZ
Pearson Intl.
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Sat, Nov 22 from St. John's Intl. to Pearson Intl., returning Sat, Nov 22, priced at $218 found 2 days ago
Porter Airlines
Thu, Oct 23 - Wed, Nov 5
YYT
St. John's Intl.
YHM
John C. Munro Hamilton Intl.
$248 Roundtrip, found 6 hours ago
$248
Roundtrip
found 6 hours ago
Select Porter Airlines flight, departing Thu, Oct 23 from St. John's Intl. to John C. Munro Hamilton Intl., returning Wed, Nov 5, priced at $248 found 6 hours ago
WestJet
Wed, Aug 20 - Thu, Sep 4
YYC
Calgary Intl.
YKF
Region of Waterloo Intl.
$271 Roundtrip, found 5 days ago
$271
Roundtrip
found 5 days ago
Select WestJet flight, departing Wed, Aug 20 from Calgary Intl. to Region of Waterloo Intl., returning Thu, Sep 4, priced at $271 found 5 days ago
Porter Airlines
Thu, Dec 25 - Tue, Jan 6
YEG
Edmonton Intl.
YTZ
Billy Bishop Toronto City
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Thu, Dec 25 from Edmonton Intl. to Billy Bishop Toronto City, returning Tue, Jan 6, priced at $281 found 1 day ago
Porter Airlines
Mon, Aug 25 - Fri, Sep 5
YYC
Calgary Intl.
YTZ
Billy Bishop Toronto City
$306 Roundtrip, found 5 days ago
$306
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Mon, Aug 25 from Calgary Intl. to Billy Bishop Toronto City, returning Fri, Sep 5, priced at $306 found 5 days ago
WestJet
Fri, Oct 24 - Wed, Oct 29
SFO
San Francisco Intl.
YYZ
Pearson Intl.
$352 Roundtrip, found 2 days ago
$352
Roundtrip
found 2 days ago
Select WestJet flight, departing Fri, Oct 24 from San Francisco Intl. to Pearson Intl., returning Wed, Oct 29, priced at $352 found 2 days ago
Air Canada
Thu, Aug 21 - Tue, Aug 26
YEG
Edmonton Intl.
YKF
Region of Waterloo Intl.
$575 Roundtrip, found 1 day ago
$575
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, Aug 21 from Edmonton Intl. to Region of Waterloo Intl., returning Tue, Aug 26, priced at $575 found 1 day ago
United
Fri, Aug 29 - Sun, Aug 31
SFO
San Francisco Intl.
YHM
John C. Munro Hamilton Intl.
$762 Roundtrip, found 1 day ago
$762
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 29 from San Francisco Intl. to John C. Munro Hamilton Intl., returning Sun, Aug 31, priced at $762 found 1 day 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 September, 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 16 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 $129, 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 $129 right now, why wait?

St. Mary's Flight Information
Destination airport
Pearson Intl.
Destination airport IATA code
YYZ
Roundtrip price
$194

Last Minute Hotel Deals in St. Mary's

Westover Inn

Westover Inn

3.5 out of 5
300 Thomas Street, St. Mary's, ON
Stay at this 3.5-star historic hotel in St. Mary's. Enjoy free WiFi, free parking, and a garden. Our guests praise the helpful staff in our reviews. Popular ...
8/10 Very Good! (310 reviews)
"We enjoyed the peaceful surroundings at the Westover Inn, yet it was so close to the town! The lady at the front desk was very helpful! We highly recommend you check out the Snapping Turtle for coffee & breakfast as well as Naina's Indian Kitchen & Grill. It was the best Indian food we've ever ..."

Reviewed on Aug 14, 2025

Get rates
Westover Inn
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! (144 reviews)
"We loved our time here! The room was so spacious, quiet, very clean & the bed was so comfortable. The young man at the front desk was very friendly,& helpful! We wouldn't hesitate to stay here again!"

Reviewed on Aug 14, 2025

Get rates
Stone Willow Inn
The Penrose Suites

The Penrose Suites

4 out of 5
725 Queen St E, Saint Marys, ON
Stay at this 4-star golf aparthotel in St. Mary's. Enjoy free WiFi, free parking, and daily housekeeping. Popular attractions St. Mary's Farmers' Market and ...
8/10 Very Good! (3 reviews)
"Watch the golfers from your balcony and walk to dinner at the clubhouse, no need to be a golfer"

Reviewed on Jun 8, 2025

Get rates
The Penrose Suites
Ivey Spencer Leadership Centre

Ivey Spencer Leadership Centre

3 out of 5
551 Windermere Rd, London, ON
Stay at this 3-star business-friendly hotel in London. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the breakfast and the helpful ...
8.8/10 Excellent! (1,225 reviews)
"Wish there was sitting area to enjoy the outdoor besides the picnic table next to smoke thing"

Reviewed on Aug 15, 2025

Get rates
Ivey Spencer Leadership Centre
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 ...
7.2/10 Good! (1,296 reviews)
"The staff was pleasant. However i did find a hair in my soapdish in the washroom. The area around the property is infested with homeless ppl and addicts so for that i wouldn't recommend. All in all i had a gd stay"

Reviewed on Aug 13, 2025

Get rates
Sandman Hotel & Suites London Downtown
Hard Rock Hotel London Ontario

Hard Rock Hotel London Ontario

4 out of 5
100 Kellogg Lane, 1, London, ON
Stay at this 4-star family-friendly hotel in London. Enjoy free WiFi, 2 restaurants, and a nightclub. Popular attractions Budweiser Gardens and Western Fair ...
9.6/10 Exceptional! (106 reviews)
"Fantastic in every way. Endless options for dining and activities for kids. Exceeded all expectations!"

Reviewed on Aug 10, 2025

Get rates
Hard Rock Hotel London Ontario
Delta Hotels by Marriott London Armouries

Delta Hotels by Marriott London Armouries

4 out of 5
325 Dundas St, London, ON
Stay at this 4-star eco-certified hotel in London. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the clean ...
8.8/10 Excellent! (1,000 reviews)
Would definitely return.
"Excellent location with a unique blend of modern meets historical Armoury. Room was spacious and very quiet."

Reviewed on Aug 11, 2025

Get rates
Delta Hotels by Marriott London Armouries
The Park Hotel London

The Park Hotel London

3.5 out of 5
242 Pall Mall Street, London, ON
Stay at this 3.5-star eco-certified hotel in London. Enjoy free breakfast, room service, and a fitness center. Our guests praise the breakfast and the helpful ...
8.8/10 Excellent! (1,279 reviews)
"Comfy bed. Nice to have separate sitting area."

Reviewed on Aug 14, 2025

Get rates
The Park Hotel London
See all 283 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.