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Frontenac

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Frontenac Flights as Low as $63

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

Frontier Airlines
Wed, Jul 8 - Wed, Jul 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$63 Roundtrip, found 15 hours ago
$63
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $63 found 15 hours ago
Frontier Airlines
Wed, Jul 8 - Fri, Jul 17
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$73 Roundtrip, found 15 hours ago
$73
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Fri, Jul 17, priced at $73 found 15 hours ago
Frontier Airlines
Tue, Jul 28 - Sat, Aug 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$76 Roundtrip, found 15 hours ago
$76
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Tue, Jul 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 8, priced at $76 found 15 hours ago
Delta
Tue, Jul 28 - Sat, Aug 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 15 hours ago
$117
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Jul 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 8, priced at $117 found 15 hours ago
United
Tue, Jul 28 - Sat, Aug 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 15 hours ago
$197
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Jul 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 8, priced at $197 found 15 hours ago
American Airlines
Tue, Jul 28 - Sat, Aug 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 15 hours ago
$197
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Jul 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 8, priced at $197 found 15 hours ago
American Airlines
Wed, Aug 12 - Sat, Aug 15
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$202 Roundtrip, found 15 hours ago
$202
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Aug 12 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Sat, Aug 15, priced at $202 found 15 hours ago
Frontier Airlines
Tue, Sep 1 - Tue, Sep 15
TPA
Tampa Intl.
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 15 hours ago
$210
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Tampa Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $210 found 15 hours ago
Frontier Airlines
Wed, Aug 5 - Tue, Aug 18
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $226 found 1 day ago
Frontier Airlines
Wed, Aug 5 - Tue, Aug 11
BDL
Bradley Intl.
STL
Lambert-St. Louis Intl.
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Bradley Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $226 found 1 day ago
Frontier Airlines
Thu, Aug 13 - Tue, Aug 25
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$268 Roundtrip, found 22 hours ago
$268
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Aug 13 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $268 found 22 hours ago
American Airlines
Wed, Sep 2 - Tue, Sep 22
EYW
Key West Intl.
STL
Lambert-St. Louis Intl.
$293 Roundtrip, found 4 days ago
$293
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 2 from Key West Intl. to Lambert-St. Louis Intl., returning Tue, Sep 22, priced at $293 found 4 days ago
American Airlines
Wed, Aug 12 - Tue, Aug 25
BTR
Baton Rouge Metropolitan
STL
Lambert-St. Louis Intl.
$305 Roundtrip, found 4 days ago
$305
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 12 from Baton Rouge Metropolitan to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $305 found 4 days ago
Frontier Airlines
Thu, Jul 9 - Wed, Jul 15
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jul 9 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $308 found 4 days ago
Delta
Mon, Aug 24 - Tue, Sep 1
BIL
Logan Intl.
STL
Lambert-St. Louis Intl.
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug 24 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Sep 1, priced at $319 found 1 day ago
Alaska Airlines
Fri, Aug 21 - Sun, Aug 30
BIL
Logan Intl.
STL
Lambert-St. Louis Intl.
$637 Roundtrip, found 1 day ago
$637
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 21 from Logan Intl. to Lambert-St. Louis Intl., returning Sun, Aug 30, priced at $637 found 1 day ago

Cheap Flights to Frontenac

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

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

Frequently Asked Questions About flights to Frontenac

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Frontenac 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 STL airport.

What is the cheapest month to fly to Frontenac?

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

How many airlines fly to Frontenac?

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 Frontenac.

What airport is best to fly into Frontenac?

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

How much are flights to Frontenac?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Frontenac on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $63, 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 Frontenac?

The trick to saving a stack of cash on your flight to Frontenac? 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 $63 right now, why wait?

Frontenac Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$62

Last Minute Hotel Deals in Frontenac

Hilton St. Louis Frontenac

Hilton St. Louis Frontenac

4 out of 5
1335 S Lindbergh Blvd Frontenac MO
Book a stay at this business-friendly hotel in Frontenac. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. ...
8.8/10 Excellent! (1,000 reviews)
"Rooms in the villa portion o g the hotel are old and smell like mold. They had a febreeze car air freshener in the AC unit to make the room smell better. I asked to be moved and the main hotel was much nicer and cleaner."

Reviewed on Jun 23, 2026

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Hilton St. Louis Frontenac
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (4,144 reviews)
"Nice hotel and close to ballpark."

Reviewed on Jun 25, 2026

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Hyatt Regency St. Louis at The Arch
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
8.8/10 Excellent! (3,248 reviews)
"The room was clean, staff was nice and breakfast was amazing."

Reviewed on Jun 26, 2026

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Clayton Plaza Hotel & Extended Stay
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our ...
9.6/10 Exceptional! (3,518 reviews)
"Probably one of the best hotels we’ve stayed in. Every single member of the staff was friendly and helpful. The food was excellent. Location was excellent. I can’t say enough good things. We will definitely come back to St. Louis and will definitely stay at this hotel!"

Reviewed on Jun 26, 2026

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Drury Plaza Hotel St. Louis at the Arch
Forest Park Hotel by MDR

Forest Park Hotel by MDR

3 out of 5
5915 Wilson Ave St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean ...
7.4/10 Good! (1,616 reviews)
"I definitely would not recommend this hotel to anyone visiting St.Louis. The property is not well maintained and the amenities are lacking. When I walked through the lobby doors, I was hit with a musty and unpleasant odor. I noticed the carpets that are stained and the paint that needs touch up. ..."

Reviewed on Jun 26, 2026

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Forest Park Hotel by MDR
Moonrise Hotel

Moonrise Hotel

4 out of 5
6177 Delmar Blvd St. Louis MO
Book a stay at this boutique hotel in St. Louis. Enjoy free WiFi, free parking, and 2 bars/lounges. Our guests praise the restaurant and the helpful staff in ...
9/10 Wonderful! (1,978 reviews)
"Okay so all the reviews about your car being broken into, they should just offer a stay and break package because that is it guarantee that it's going to happen. I'm not sure who I'm more frustrated with, the St Louis PD who does nothing to stop this problem or care (still waiting for them to call ..."

Reviewed on Jun 25, 2026

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Moonrise Hotel
River City Casino & Hotel

River City Casino & Hotel

4 out of 5
777 River City Casino Blvd St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free parking, 5 restaurants, and a casino. Our guests praise the helpful staff and the clean ...
9.2/10 Wonderful! (1,634 reviews)
"Wonderful staff! So happy and helpful! And amazing showers!!"

Reviewed on Jun 26, 2026

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River City Casino & Hotel
Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the ...
8.6/10 Excellent! (2,192 reviews)
"Everyone there was Great!"

Reviewed on Jun 26, 2026

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Hollywood Casino & Hotel St. Louis
See all 1,914 properties in Frontenac
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.

Top Hotels With Free Airport Shuttle

Hilton St. Louis Frontenac

Hilton St. Louis Frontenac

4 out of 5
1335 S Lindbergh Blvd Frontenac MO
Book a stay at this business-friendly hotel in Frontenac. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. ...
8.8/10 Excellent! (1,000 reviews)
"Rooms in the villa portion o g the hotel are old and smell like mold. They had a febreeze car air freshener in the AC unit to make the room smell better. I asked to be moved and the main hotel was much nicer and cleaner."

Reviewed on Jun 23, 2026

Get rates
Hilton St. Louis Frontenac
See all 1,914 properties in Frontenac
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.