Cheap Flights To Frontenac 2025

Frontenac Flights as Low as $122

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Jul 19 - Sun, Jul 20
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$122 Roundtrip, found 10 hours ago
$122
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Jul 20, priced at $122 found 10 hours ago
Frontier Airlines
Thu, Jul 17 - Sun, Jul 20
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$134 Roundtrip, found 10 hours ago
$134
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Jul 17 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Jul 20, priced at $134 found 10 hours ago
Frontier Airlines
Sat, Jul 19 - Sat, Jul 19
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 10 hours ago
$160
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jul 19, priced at $160 found 10 hours ago
American Airlines
Thu, Jul 17 - Sun, Jul 20
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 10 hours ago
$176
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Jul 17 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Jul 20, priced at $176 found 10 hours ago
Frontier Airlines
Sat, Jul 19 - Mon, Jul 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$180 Roundtrip, found 10 hours ago
$180
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $180 found 10 hours ago
Frontier Airlines
Sat, May 10 - Mon, May 12
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$188 Roundtrip, found 15 hours ago
$188
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sat, May 10 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, May 12, priced at $188 found 15 hours ago
Frontier Airlines
Fri, May 2 - Sun, May 4
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$188 Roundtrip, found 7 hours ago
$188
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Fri, May 2 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sun, May 4, priced at $188 found 7 hours ago
Frontier Airlines
Thu, Jul 17 - Mon, Jul 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$194 Roundtrip, found 10 hours ago
$194
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Jul 17 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $194 found 10 hours ago
Delta
Fri, Jul 18 - Mon, Jul 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 10 hours ago
$197
Roundtrip
found 10 hours ago
Select Delta flight, departing Fri, Jul 18 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $197 found 10 hours ago
American Airlines
Fri, Jul 18 - Mon, Jul 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$217 Roundtrip, found 10 hours ago
$217
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Jul 18 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $217 found 10 hours ago
Spirit Airlines
Wed, May 14 - Thu, May 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Wed, May 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, May 22, priced at $237 found 6 days ago
Delta
Tue, May 20 - Sat, May 24
DAL
Love Field
STL
Lambert-St. Louis Intl.
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, May 20 from Love Field to Lambert-St. Louis Intl., returning Sat, May 24, priced at $275 found 1 day ago
Delta
Thu, Jul 10 - Mon, Jul 14
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$365 Roundtrip, found 6 days ago
$365
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Jul 10 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Jul 14, priced at $365 found 6 days ago
Delta
Tue, May 13 - Sat, May 24
DAB
Daytona Beach Intl.
STL
Lambert-St. Louis Intl.
$387 Roundtrip, found 7 hours ago
$387
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, May 13 from Daytona Beach Intl. to Lambert-St. Louis Intl., returning Sat, May 24, priced at $387 found 7 hours ago
United
Sun, May 18 - Sun, May 18
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$393 Roundtrip, found 6 days ago
$393
Roundtrip
found 6 days ago
Select United flight, departing Sun, May 18 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sun, May 18, priced at $393 found 6 days ago
Alaska Airlines
Fri, Nov 14 - Sat, Nov 15
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$445 Roundtrip, found 12 hours ago
$445
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Fri, Nov 14 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Nov 15, priced at $445 found 12 hours ago

Frontenac Flights

No matter how much you fight the travel bug, sometimes there's only one solution—to hop on the next plane to Frontenac. AARP Travel Center Powered by Expedia® is here to help you cure that bug with great deals on flights and activities. With the best rates from Expedia combined with members-only discounts, AARP Travel offers members the best price in travel, guaranteed.

As an AARP member, you'll have the opportunity to take advantage of exclusive rates on:

  • Hotels
  • Car rentals
  • Flights
  • Waived booking fees on flights

Once you've entered your destination and departure point, we will show you a full list of deals for your route. Do not forget to look at flights to alternative airports nearby, which can help you find a lower fare.

Transportation at the Frontenac Airport

Once you've got your flight scheduled to Frontenac with AARP Travel, you might want to book a rental car so you can get around on your own. You can request Frontenac rental cars under our cars tab and get into the driver's seat right when you step outside. For more information, check out the Frontenac Car Rentals Guide.

Things to Do in Frontenac

If you aren't sure where to start, we can help you with that too. Not to worry—there's plenty to do in this city. Frontenac has so much to do, and we can help you get started.

If you're looking for some fun activities to do in Frontenac, make sure you look at our "Things to Do in Frontenac" page for excursions and activities for the whole crew.

Book Your Hotel in Frontenac

Frontenac has lodging to choose from, so you will have little difficulty finding a place to stay close to all the things you want to see. If you need to stay close to the airport, or another attraction in Frontenac, check out our hotel listings page. No matter where you stay, just remember that you'll get the best price out there when you book your stay with AARP Travel.

Booking Your Trip

Once you've planned your travel dates, allow us here at AARP Travel to connect you with inexpensive tickets to Frontenac. There is no better time than now to start booking that next trip. Book one of our flights today.