Cheap Flights To St. Charles 2025

Photo by Chris Zajicek

St. Charles 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
Thu, May 29 - Sun, Jun 1
CLT
Charlotte-Douglas Intl.
ORD
O'Hare Intl.
$122 Roundtrip, found 20 hours ago
$122
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from Charlotte-Douglas Intl. to O'Hare Intl., returning Sun, Jun 1, priced at $122 found 20 hours ago
Frontier Airlines
Tue, Aug 5 - Sat, Aug 9
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$126 Roundtrip, found 6 days ago
$126
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Aug 5 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Aug 9, priced at $126 found 6 days ago
Frontier Airlines
Tue, Jun 17 - Thu, Jul 3
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$138 Roundtrip, found 5 days ago
$138
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Jun 17 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Thu, Jul 3, priced at $138 found 5 days ago
Frontier Airlines
Fri, Jun 13 - Thu, Jul 3
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$139 Roundtrip, found 5 days ago
$139
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Jun 13 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Thu, Jul 3, priced at $139 found 5 days ago
Frontier Airlines
Wed, Aug 6 - Sat, Aug 9
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$143 Roundtrip, found 6 days ago
$143
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Aug 6 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Aug 9, priced at $143 found 6 days ago
Spirit Airlines
Sat, May 17 - Tue, May 20
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$145 Roundtrip, found 18 hours ago
$145
Roundtrip
found 18 hours ago
Select Spirit Airlines flight, departing Sat, May 17 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, May 20, priced at $145 found 18 hours ago
Spirit Airlines
Wed, May 14 - Mon, May 19
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$153 Roundtrip, found 18 hours ago
$153
Roundtrip
found 18 hours ago
Select Spirit Airlines flight, departing Wed, May 14 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Mon, May 19, priced at $153 found 18 hours ago
Spirit Airlines
Wed, May 7 - Tue, May 13
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Wed, May 7 from George Bush Intercontinental to O'Hare Intl., returning Tue, May 13, priced at $178 found 1 day ago
American Airlines
Sat, Jun 14 - Sat, Jul 5
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$188 Roundtrip, found 5 days ago
$188
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jun 14 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sat, Jul 5, priced at $188 found 5 days ago
Delta
Tue, May 20 - Wed, May 21
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$197 Roundtrip, found 18 hours ago
$197
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, May 20 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Wed, May 21, priced at $197 found 18 hours ago
United
Sat, May 17 - Tue, May 20
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$202 Roundtrip, found 18 hours ago
$202
Roundtrip
found 18 hours ago
Select United flight, departing Sat, May 17 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, May 20, priced at $202 found 18 hours ago
Delta
Sat, Jun 14 - Sat, Jul 5
DAL
Love Field
ORD
O'Hare Intl.
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jun 14 from Love Field to O'Hare Intl., returning Sat, Jul 5, priced at $208 found 5 days ago
Delta
Sat, Aug 9 - Sat, Aug 9
DAL
Love Field
MDW
Midway Intl.
$211 Roundtrip, found 6 days ago
$211
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 9 from Love Field to Midway Intl., returning Sat, Aug 9, priced at $211 found 6 days ago
Delta
Mon, Jun 2 - Mon, Jun 2
CLT
Charlotte-Douglas Intl.
MDW
Midway Intl.
$273 Roundtrip, found 20 hours ago
$273
Roundtrip
found 20 hours ago
Select Delta flight, departing Mon, Jun 2 from Charlotte-Douglas Intl. to Midway Intl., returning Mon, Jun 2, priced at $273 found 20 hours ago
Delta
Thu, May 8 - Tue, May 13
IAH
George Bush Intercontinental
MDW
Midway Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, May 8 from George Bush Intercontinental to Midway Intl., returning Tue, May 13, priced at $323 found 1 day ago
United
Sat, Jul 12 - Mon, Jul 14
CRP
Corpus Christi Intl.
ORD
O'Hare Intl.
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 12 from Corpus Christi Intl. to O'Hare Intl., returning Mon, Jul 14, priced at $349 found 1 day ago

Flight Travel Guide to St. Charles

No matter how much you fight the travel bug, sometimes there's only one solution—to hop on the next plane to St. Charles. 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. AARP members won't pay booking fees on flights, and often receive exclusive rates on car rentals and hotels.

Whether this trip is for business or pleasure, we will help you get there (without breaking the bank).

Airport Transportation

Once you've reserved plane tickets to St. Charles, you may want to book a vehicle so you can get around the city. You can schedule St. Charles rental cars under our cars tab and hop into the driver's seat as soon as you step outside. For more information, check out the St. Charles Car Rentals Guide.

Things to Do in St. Charles

If you aren't sure where to start, we can help you with that as well. Not to worry—there's lots to do in this city. St. Charles has so much to do, and we can help you get started.

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

Book Your Hotel in St. Charles

St. Charles has hotel to choose from, so you will have no problems 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 St. Charles, check out our hotel listings page. Remember that you'll get the best for your visit to St. Charles when you book your stay with AARP.

Book Your St. Charles Trip Today

We know that you want to focus more on the fun stuff and less on the airfare prices, so we provide travel arrangements that fall within your budget. There is no better time than now to start booking your next trip. Book one of our flights today.