A statue of a soldier on a pedestal by a river.

Cheap Flights to Southeast Illinois

Popular airlines

  • HK Express

  • Cathay Pacific

  • Peach

  • British Airways

  • AirAsia

  • Thai AirAsia

  • Hong Kong Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Frequently asked questions

How do I find cheap flights to Southeast Illinois that have flexible change policies?
Search for bargain flights to Southeast Illinois, then check the "No change fee" box directly under the "Flexible change policies" filter. It's as simple as that. We appreciate that plans can change and flexibility matters, so you can book with confidence with Expedia.
Which airlines fly to Southeast Illinois?
When you're ready to book your ticket to or near Southeast Illinois, these top airlines look forward to welcoming you aboard:
  • United Airlines - 12,950 flights to or near Southeast Illinois each month, including 12,950 flights to O'Hare Intl. Airport (ORD) per month.
  • American Airlines - 8,855 flights to or near Southeast Illinois each month, including 8,855 flights to O'Hare Intl. Airport (ORD) per month.
  • Delta Air Lines - 1,222 flights to or near Southeast Illinois each month, including 1,222 flights to O'Hare Intl. Airport (ORD) per month.
How can I find cheap tickets to Southeast Illinois?
One of the best ways to get a hold of cheap tickets to Southeast Illinois is to be flexible with your dates. Search for your flights, then click "flexible dates" at the top of your results. It will reveal the cheapest prices for nearby days. The best price for a flight to Southeast Illinois in the last seven days was . Booking ahead will generally help you get an even better deal.
How much is a flight to Southeast Illinois?
In the last seven days, round-trip tickets to Southeast Illinois sold for as low as and reached a maximum of . For one-way trips leaving (), the cheapest seat during this same period was .
What are the most popular airports to fly into in Southeast Illinois?
The primary gateway to Southeast Illinois, around 25,318 flights touch down at O'Hare Intl. Airport (ORD) each month. Keep an eye out for a great deal, lock in your fare and get ready to experience this fabulous region.
When is the cheapest time to fly to Southeast Illinois?
Fly out on a Tuesday to raise your chances of nabbing the cheapest flight to Southeast Illinois. Mondays are usually the second most affordable day to depart. Saturday is normally the priciest day to fly anywhere.
How much is a plane ticket to Southeast Illinois?
In the last seven days, plane fares to Southeast Illinois varied from to .
What months are the cheapest to book a flight to Southeast Illinois?
Snap up your ticket in February to enjoy bargain flight deals to Southeast Illinois. The month of December is generally the most expensive time to purchase an airfare.

Travel information

Destination airport
Southeast Illinois
Destination airport IATA code
MDH

Explore a world of travel with Expedia

*Available to Expedia members.