Cheap Flights To Frontenac 2026

Frontenac Flights as Low as $141

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
Frontier Airlines
Frontier Airlines
Frontier Airlines
Fri, Nov 27 - Mon, Nov 30
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$169
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Nov 27 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Mon, Nov 30, priced at $169 found 2 days ago
Frontier Airlines
Wed, Oct 21 - Fri, Oct 30
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$175
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Oct 30, priced at $175 found 3 days ago
Frontier Airlines
Frontier Airlines
Delta
Mon, Nov 23 - Tue, Dec 1
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$275
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 23 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Dec 1, priced at $275 found 2 days ago
Southwest Airlines
American Airlines
United
Mon, Nov 2 - Thu, Nov 5
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$319
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 2 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Nov 5, priced at $319 found 1 day ago
United
Frontier Airlines
United
Sat, Nov 28 - Sun, Nov 29
CVG
Cincinnati - Northern Kentucky Intl.
STL
Lambert-St. Louis Intl.
$386
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 28 from Cincinnati - Northern Kentucky Intl. to Lambert-St. Louis Intl., returning Sun, Nov 29, priced at $386 found 1 day ago
United
Mon, Nov 23 - Thu, Nov 26
JLN
Joplin Regional
STL
Lambert-St. Louis Intl.
$476
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Nov 23 from Joplin Regional to Lambert-St. Louis Intl., returning Thu, Nov 26, priced at $476 found 23 hours ago
Delta
Tue, Nov 17 - Thu, Nov 26
XNA
Northwest Arkansas Regional
STL
Lambert-St. Louis Intl.
$535
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Nov 17 from Northwest Arkansas Regional to Lambert-St. Louis Intl., returning Thu, Nov 26, priced at $535 found 23 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.