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St Mary

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St Mary Flights as Low as $195

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

Bargain Flight
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$195 Roundtrip, found 3 days ago
$195
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $195 found 3 days ago
Bargain Flight
Wed, Sep 9 - Mon, Sep 14
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$196 Roundtrip, found 3 days ago
$196
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Sep 14, priced at $196 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$228 Roundtrip, found 3 days ago
$228
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $228 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Mon, Sep 14
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Sep 14, priced at $233 found 3 days ago
Bargain Flight
Wed, Sep 9 - Sat, Sep 12
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sat, Sep 12, priced at $243 found 1 day ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $244 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $252 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $258 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Mon, Sep 14
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Sep 14, priced at $258 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$293 Roundtrip, found 3 days ago
$293
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $293 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$298 Roundtrip, found 3 days ago
$298
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $298 found 3 days ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$309 Roundtrip, found 3 days ago
$309
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $309 found 3 days ago
Southwest Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$361 Roundtrip, found 3 days ago
$361
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $361 found 3 days ago
Delta
Wed, Sep 9 - Mon, Sep 14
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$361 Roundtrip, found 3 days ago
$361
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Sep 14, priced at $361 found 3 days ago
American Airlines
Wed, Sep 9 - Wed, Sep 16
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$381 Roundtrip, found 3 days ago
$381
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Sep 16, priced at $381 found 3 days ago
United
Mon, Aug 31 - Wed, Sep 2
DTW
Detroit Metropolitan Wayne County
CGI
Cape Girardeau Municipal
$765 Roundtrip, found 21 hours ago
$765
Roundtrip
found 21 hours ago
Select United flight, departing Mon, Aug 31 from Detroit Metropolitan Wayne County to Cape Girardeau Municipal, returning Wed, Sep 2, priced at $765 found 21 hours ago

Cheap Flights to St Mary

Fall in love at first flight with your vacation to St Mary 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 on Hotwire, and you’ll be up, up, and on a getaway in no time.

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

Frequently Asked Questions About flights to St Mary

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 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 null airport.

What is the cheapest month to fly to St Mary?

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 are in September, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to St Mary?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 13 to choose from for your flight to St Mary.

What airport is best to fly into St Mary?

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

How much are flights to St Mary?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to St Mary on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $195, 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?

The trick to saving a stack of cash on your flight to St Mary? 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 $195 right now, why wait?

St Mary Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$38

Last Minute Hotel Deals in St Mary

Baymont Inn and Suites by Wyndham Farmington, MO

Baymont Inn and Suites by Wyndham Farmington, MO

2.5 out of 5
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Book a stay at this business-friendly hotel in Farmington. Enjoy free breakfast, free parking, and an outdoor pool. Our guests praise the helpful staff and the ...
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Postcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy

Postcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy

2 out of 5
7555 State Hwy Y French Village MO
Stay at this cabin in French Village. Enjoy free parking, patios, and climate control.
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Crown Pointe Lodge, BW Signature Collection

Crown Pointe Lodge, BW Signature Collection

2.5 out of 5
4245 Hunt Rd Farmington MO
Book a stay at this golf hotel in Farmington. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular ...
9/10 Wonderful! (672 reviews)
"An awesome stay"

Reviewed on Aug 24, 2026

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Crown Pointe Lodge, BW Signature Collection
Holiday Inn Express & Suites Perryville by IHG

Holiday Inn Express & Suites Perryville by IHG

2.5 out of 5
2020 Jefferson St Perryville MO
Book a stay at this business-friendly hotel in Perryville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
9.2/10 Wonderful! (619 reviews)
"We had a pleasnt stay for a reasonable price. Our room was clean and quiet. The beds and pillows were comfortable. Breakfast was good with hot and cold choices. The staff was friendly and helpful."

Reviewed on Aug 27, 2026

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Super 8 by Wyndham Perryville

Super 8 by Wyndham Perryville

2 out of 5
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Book a stay at this business-friendly motel in Perryville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
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Baymont by Wyndham Chester IL

Baymont by Wyndham Chester IL

2.5 out of 5
2150 State Street Chester IL
Book a stay at this business-friendly hotel in Chester. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
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Baymont by Wyndham Chester IL
Super 8 by Wyndham Farmington

Super 8 by Wyndham Farmington

2 out of 5
930 Valley Creek Dr Farmington MO
Book a stay at this business-friendly motel in Farmington. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
8/10 Very Good! (669 reviews)
"Best Super 8 stay I’ve had. Helpful and happy staff. Very clean rooms with daily service (something other hotels don’t seem to offer on long stays anymore). Close dining and shopping options. Close to state parks and other state attractions. Vending machine and a fair breakfast for food options. ..."

Reviewed on Aug 27, 2026

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Super 8 by Wyndham Farmington
Holiday Inn Express & Suites Farmington by IHG

Holiday Inn Express & Suites Farmington by IHG

2.5 out of 5
820 Market St Farmington MO
Book a stay at this business-friendly hotel in Farmington. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
8.6/10 Excellent! (431 reviews)
"Clean and well maintained as you would expect from this chain."

Reviewed on Aug 14, 2026

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Holiday Inn Express & Suites Farmington by IHG
See all 136 properties in St Mary
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.