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Frontenac

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Frontenac Flights as Low as $116

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

Frontier Airlines
Tue, Jun 9 - Sat, Jun 13
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 1 day ago
$116
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jun 9 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sat, Jun 13, priced at $116 found 1 day ago
Frontier Airlines
Sat, May 30 - Sun, May 31
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$131 Roundtrip, found 2 days ago
$131
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, May 30 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sun, May 31, priced at $131 found 2 days ago
Frontier Airlines
Tue, Jun 16 - Tue, Jun 30
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$132 Roundtrip, found 9 hours ago
$132
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, Jun 16 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $132 found 9 hours ago
Frontier Airlines
Sat, Jun 6 - Sat, Jun 13
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sat, Jun 13, priced at $137 found 1 day ago
Frontier Airlines
Wed, Jun 17 - Tue, Jun 30
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$150 Roundtrip, found 3 days ago
$150
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Jun 17 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $150 found 3 days ago
Frontier Airlines
Tue, Jun 9 - Tue, Jun 23
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$195 Roundtrip, found 16 hours ago
$195
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Jun 9 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Tue, Jun 23, priced at $195 found 16 hours ago
Frontier Airlines
Tue, Jun 2 - Tue, Jun 16
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$205 Roundtrip, found 6 days ago
$205
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Jun 2 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Jun 16, priced at $205 found 6 days ago
Frontier Airlines
Tue, Jun 16 - Wed, Jul 1
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jun 16 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, Jul 1, priced at $223 found 1 day ago
Frontier Airlines
Tue, Sep 1 - Tue, Sep 8
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Sep 8, priced at $230 found 1 day ago
Bargain Flight
Tue, Jun 23 - Tue, Jun 30
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$231 Roundtrip, found 2 hours ago
$231
Roundtrip
found 2 hours ago
Select Bargain Flight flight, departing Tue, Jun 23 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $231 found 2 hours ago
American Airlines
Tue, Jun 16 - Tue, Jun 30
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 9 hours ago
$261
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Jun 16 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $261 found 9 hours ago
Bargain Flight
Tue, Jul 28 - Tue, Aug 11
JAX
Jacksonville Intl.
STL
Lambert-St. Louis Intl.
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, Jul 28 from Jacksonville Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $265 found 1 day ago
Delta
Tue, Jun 16 - Tue, Jun 30
DAL
Love Field
STL
Lambert-St. Louis Intl.
$281 Roundtrip, found 9 hours ago
$281
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jun 16 from Love Field to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $281 found 9 hours ago
Delta
Tue, Jun 16 - Tue, Jun 30
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$281 Roundtrip, found 9 hours ago
$281
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jun 16 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $281 found 9 hours ago
Delta
Mon, Jul 27 - Tue, Aug 11
SAV
Savannah - Hilton Head Intl.
STL
Lambert-St. Louis Intl.
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jul 27 from Savannah - Hilton Head Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $332 found 1 day ago
Alaska Airlines
Sun, May 24 - Tue, Jun 9
BOI
Boise
STL
Lambert-St. Louis Intl.
$391 Roundtrip, found 1 day ago
$391
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, May 24 from Boise to Lambert-St. Louis Intl., returning Tue, Jun 9, priced at $391 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 June, 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 $116, 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 $116 right now, why wait?

Frontenac Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$116

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! (1,003 reviews)
We had a great stay, thanks to all. We shall return.

Reviewed on May 14, 2026

Get rates
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! (4,034 reviews)
Maybe it was just a rough weekend for staff, I used to work for Hyatt regency as a senior captain for banquets so I’m very familiar with how Hyatt is ran. There were only a few staff members that were helpful, professional and respectful and that happen to be the gentleman that checked me in, valet ...

Reviewed on May 14, 2026

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Hyatt Regency St. Louis at The Arch
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 ...
8.4/10 Very Good! (2,215 reviews)
Clean Rooms excellent environment

Reviewed on May 14, 2026

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Hollywood Casino & Hotel St. Louis
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 ...
8/10 Very Good! (1,275 reviews)
Room felt dirty, old bed bug shells, ac didn’t work

Reviewed on May 15, 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 ...
8.8/10 Excellent! (3,183 reviews)
The staff was polite and very helpful. Rooms were clean. There is a big difference in the types of rooms, as some have been renovated and some not. I liked the newer rooms and did not like the older rooms.

Reviewed on May 15, 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! (1,963 reviews)
The only thing I could have a negative comment on was the bathroom was tiny and the vanity tiny also. But the people were so kind and friendly. Overall a good experience.

Reviewed on May 15, 2026

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

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.4/10 Very Good! (1,082 reviews)
It was entirely too loud. Parties taking place in our hallway. Nice room, but staff has no control over late night guests. We won’t stay here again.

Reviewed on May 13, 2026

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Renaissance St. Louis Airport Hotel
21C Museum Hotel St Louis

21C Museum Hotel St Louis

4.5 out of 5
1528 Locust street St. Louis MO
Book a stay at this luxury hotel in St. Louis. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the pool and the restaurant in our ...
9/10 Wonderful! (1,834 reviews)
Great location, staff, and bar/restaurant. The art gallery is an incredible bonus, along with the workout facilities!

Reviewed on May 13, 2026

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21C Museum Hotel St Louis
See all 1,865 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! (1,003 reviews)
We had a great stay, thanks to all. We shall return.

Reviewed on May 14, 2026

Get rates
Hilton St. Louis Frontenac
See all 1,865 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.