Vacation packages
Stays
Cars
Flights
Support
All travel
Vacation packages
Stays
Cars
Cruises
Flights
Support
Things to do
Account
My Account
Members can access discounts and special features
Sign in
Create a free account
List of Favorites
AARP Member Savings
My Trips
AARP.org
Join
Renew
Expedia-AARP.com
Flights from Houston to Southern Illinois
Flights to Southern Illinois
Illinois
United States of America
North America
Flights
Expedia-AARP.com
Flights from Houston to Southern Illinois
Stays
Flights
Packages
Roundtrip
One-way
Multi-city
1 traveler
Travelers
Adults
Decrease adults
Increase adults
Children
Ages 2 to 17
Decrease children
Increase children
Infants
Younger than 2
Decrease infants
Increase infants
Done
Economy
Economy
Premium economy
Business class
First class
Leaving from
Going to
Departing
Returning
Add a place to stay
Add a car
Search
Show map
Top Flights near Southern Illinois
Flights to St. Louis
Flights to Indianapolis
Flights to Louisville
Top Flight Routes from Houston
Houston to Phoenix
Houston to Los Angeles
Houston to Paris
Houston to Denver
Houston to Seattle
Houston to Nashville
Explore More Flight Destinations
Houston to New York
Houston to Chicago
Houston to London
Houston to Los Angeles
Houston to Orlando
Houston to Toronto
Houston to Washington
Houston to Edmonton
Houston to Kansas City
Houston to Montreal
Plan Your Vacation
Flights to Southern Illinois
Southern Illinois Hotels
Southern Illinois Car Rentals
Southern Illinois Vacations
800c5c4a-fc9f-4769-97ce-2232f8e55bc0
29bac6e2-8eb1-4d8d-9bf3-dbefa1c5cc36
