Southern Illinois Flights as Low as $208

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.

Tue, Jun 10 - Wed, Jun 11

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$208

Roundtrip

found 7 hours ago

Tue, Jun 10 - Sat, Jun 14

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$231

Roundtrip

found 7 hours ago

Sat, Jun 14 - Tue, Jun 17

BTV

Burlington Intl.

STL

Lambert-St. Louis Intl.

$237

Roundtrip

found 12 hours ago

Sun, Aug 31 - Sat, Sep 6

BHM

Birmingham Intl.

STL

Lambert-St. Louis Intl.

$244

Roundtrip

found 12 hours ago

Sat, Jun 14 - Fri, Jun 20

BTV

Burlington Intl.

STL

Lambert-St. Louis Intl.

$248

Roundtrip

found 12 hours ago

Sun, Aug 31 - Sun, Sep 7

BHM

Birmingham Intl.

STL

Lambert-St. Louis Intl.

$250

Roundtrip

found 12 hours ago

Tue, Sep 2 - Tue, Sep 9

BHM

Birmingham Intl.

STL

Lambert-St. Louis Intl.

$251

Roundtrip

found 12 hours ago

Tue, Sep 2 - Tue, Sep 9

BHM

Birmingham Intl.

STL

Lambert-St. Louis Intl.

$251

Roundtrip

found 12 hours ago

Tue, Jun 10 - Thu, Jun 12

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$251

Roundtrip

found 7 hours ago

Sat, Jun 14 - Sat, Jun 14

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$252

Roundtrip

found 7 hours ago

Wed, Sep 3 - Sun, Sep 7

BHM

Birmingham Intl.

STL

Lambert-St. Louis Intl.

$257

Roundtrip

found 12 hours ago

Fri, Jun 13 - Sun, Jun 15

BTV

Burlington Intl.

STL

Lambert-St. Louis Intl.

$259

Roundtrip

found 12 hours ago

Thu, Jun 12 - Fri, Jun 20

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$300

Roundtrip

found 7 hours ago

Wed, Jul 9 - Wed, Jul 16

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$328

Roundtrip

found 6 days ago

Mon, Jul 7 - Tue, Jul 15

BTV

Burlington Intl.

PAH

Barkley Regional

$630

Roundtrip

found 1 day ago

Fri, Jun 13 - Sun, Jun 15

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$817

Roundtrip

found 7 hours ago

Cheap Southern Illinois Flights

For seniors interested in answering the call of adventure, use Expedia and AARP to book your plane tickets. Browse AARP Travel Center flights in Southern Illinois so you can stretch your travel budget further when you save big on your airfare. These available Southern Illinois best deals on flights make planning your trip more affordable and hassle-free.

See the vast selection of cheap flights for seniors in Southern Illinois for yourself by simply entering your travel dates and destinations. This time and money-saving search engine will then produce a variety of travel times, airline carriers, and senior flights in Southern Illinois, so you can find the flight best suiting your travel plans. What’s more, on top of these deals, AARP members are exempt from paying any additional booking fees associated with Southern Illinois senior flights. Snatch these discount airline tickets and embark on your adventure today.