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Frontenac

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Frontenac Flights as Low as $66

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

Frontier Airlines
Wed, Aug 12 - Tue, Aug 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $66 just found
Frontier Airlines
Tue, Jul 14 - Tue, Jul 14
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$68 Roundtrip, found 13 hours ago
$68
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jul 14, priced at $68 found 13 hours ago
Frontier Airlines
Wed, Jun 24 - Wed, Jul 1
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$79 Roundtrip, found 13 hours ago
$79
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Wed, Jun 24 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jul 1, priced at $79 found 13 hours ago
Frontier Airlines
Tue, Jun 23 - Tue, Jun 23
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$90 Roundtrip, found 1 day ago
$90
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jun 23 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jun 23, priced at $90 found 1 day ago
Frontier Airlines
Thu, Aug 6 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$98 Roundtrip, found 13 hours ago
$98
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Thu, Aug 6 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $98 found 13 hours ago
Delta
Tue, Jul 14 - Tue, Jul 14
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$124 Roundtrip, found 13 hours ago
$124
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, Jul 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jul 14, priced at $124 found 13 hours ago
Frontier Airlines
Mon, Aug 3 - Tue, Aug 18
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 1 day ago
$153
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Aug 3 from Orlando Intl. to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $153 found 1 day ago
American Airlines
Wed, Aug 12 - Tue, Aug 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$187 Roundtrip, just found
$187
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $187 just found
Bargain Flight
Tue, Aug 11 - Tue, Aug 18
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$216 Roundtrip, found 13 hours ago
$216
Roundtrip
found 13 hours ago
Select Bargain Flight flight, departing Tue, Aug 11 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $216 found 13 hours ago
Bargain Flight
Tue, Jul 7 - Wed, Jul 15
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$237 Roundtrip, found 13 hours ago
$237
Roundtrip
found 13 hours ago
Select Bargain Flight flight, departing Tue, Jul 7 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $237 found 13 hours ago
Frontier Airlines
Wed, Jul 29 - Tue, Aug 18
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$248 Roundtrip, found 13 hours ago
$248
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Wed, Jul 29 from San Francisco Intl. to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $248 found 13 hours ago
Delta
Thu, Aug 6 - Tue, Aug 18
DAL
Love Field
STL
Lambert-St. Louis Intl.
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 6 from Love Field to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $250 found 5 days ago
American Airlines
Wed, Nov 11 - Sat, Nov 14
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$265 Roundtrip, found 13 hours ago
$265
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Nov 11 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $265 found 13 hours ago
American Airlines
Wed, Jul 29 - Tue, Aug 4
SYR
Hancock Intl.
STL
Lambert-St. Louis Intl.
$291 Roundtrip, found 13 hours ago
$291
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Jul 29 from Hancock Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $291 found 13 hours ago
Alaska Airlines
Wed, Jul 8 - Tue, Jul 28
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$349 Roundtrip, found 13 hours ago
$349
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Wed, Jul 8 from San Francisco Intl. to Lambert-St. Louis Intl., returning Tue, Jul 28, priced at $349 found 13 hours ago
Frontier Airlines
Sun, Jun 14 - Sat, Jun 20
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$428 Roundtrip, found 18 hours ago
$428
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Sun, Jun 14 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Sat, Jun 20, priced at $428 found 18 hours 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 August, 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 14 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 $66, 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 $66 right now, why wait?

Frontenac Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$66

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)
"Great location for us, all the staff were very helpful and friendly. Breakfast was different to what we are use to in the UK and Europe, but it was still really good, plenty to choose from and our kids loved it. Parking was close to the room, which was great cause we had lots of bags. Definitely ..."

Reviewed on Jun 2, 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! (4,083 reviews)
"Hotel was clean and beautiful with an amazing view. Only complaint was the breakfast. A little pricey for the quality in my opinion."

Reviewed on Jun 5, 2026

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Hyatt Regency St. Louis at The Arch
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

3 out of 5
1088 South Highway Drive Fenton MO
Book a stay at this business-friendly hotel in Fenton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
7.8/10 Good! (1,337 reviews)
"The breakfast was good. We had to constantly ask for towels"

Reviewed on Jun 5, 2026

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Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
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 ...
9/10 Wonderful! (3,219 reviews)
"We stayed in the jacuzzi suite. The tub was a little shabby but worked well. Some of the lights didn't work in the room. Great that parking was free through most of our trip. It was a great price for what we got. The room could use a little updating but compared to the other hotels in the area it ..."

Reviewed on Jun 5, 2026

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Clayton Plaza Hotel & Extended Stay
Pear Tree Inn St. Louis Near Union Station

Pear Tree Inn St. Louis Near Union Station

3 out of 5
2211 Market Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (2,001 reviews)
"One of my favorite stays."

Reviewed on Jun 5, 2026

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Pear Tree Inn St. Louis Near Union Station
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (2,997 reviews)
"location & airport shuttle and extended parking"

Reviewed on Jun 5, 2026

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Pear Tree Inn St. Louis Airport
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! (3,478 reviews)
"The staff is truly engaging and attentive. I was impressed and pleased. Location to baseball and the Arch are perfect. I will stay here again."

Reviewed on Jun 5, 2026

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Drury Plaza Hotel St. Louis at the Arch
Hampton Inn St. Louis-Downtown (At the Gateway Arch)

Hampton Inn St. Louis-Downtown (At the Gateway Arch)

3.5 out of 5
333 Washington Ave 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! (1,294 reviews)
"I was blindsided by a $30 per day parking fee at check-in and elevators were hectic and the waits were long which I had trouble with as a wheelchair user but outside of that, my husband and I had a nice stay."

Reviewed on Jun 5, 2026

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Hampton Inn St. Louis-Downtown (At the Gateway Arch)
See all 1,857 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)
"Great location for us, all the staff were very helpful and friendly. Breakfast was different to what we are use to in the UK and Europe, but it was still really good, plenty to choose from and our kids loved it. Parking was close to the room, which was great cause we had lots of bags. Definitely ..."

Reviewed on Jun 2, 2026

Get rates
Hilton St. Louis Frontenac
See all 1,857 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.