We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.
We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Cheap flights to Illinois

The top flight destination for Illinois is Chicago

Illinois (dawnc2476, Nov 2006)
Round Trip
One-way
Multi-city
Compare prices (in new window)

Search Flights
Several Popular Airlines fly into Airports that serve Illinois, including

See all airlines

Flight stats for Illinois - did you know?
  • There are 45 airports in Illinois and the 5 biggest are
  • O'Hare Intl Airport (Chicago, IL)
    • Right now, 85 airlines operate out of O'Hare Intl Airport.
    • O'Hare Intl Airport offers nonstop flights to 232 cities.
    • Every week, at least 34,755 domestic flights and 3,766 international flights depart from O'Hare Intl Airport.
  • Midway Airport (Chicago, IL)
    • Right now, 12 airlines operate out of Midway Airport.
    • Midway Airport offers nonstop flights to 81 cities.
    • Every week, at least 3,346 domestic flights and 126 international flights depart from Midway Airport.
  • Quad-City Airport (Moline, IL)
    • Right now, 17 airlines operate out of Quad-City Airport.
    • Quad-City Airport offers nonstop flights to 11 cities.
    • Every week, at least 1,071 domestic flights and 14 international flights depart from Quad-City Airport.
  • Greater Peoria Airport (Peoria, IL)
    • Right now, 15 airlines operate out of Greater Peoria Airport.
    • Greater Peoria Airport offers nonstop flights to 10 cities.
    • Every week, at least 392 domestic flights and 0 international flights depart from Greater Peoria Airport.
  • Bloomington-Normal Airport (Bloomington, IL)
    • Right now, 12 airlines operate out of Bloomington-Normal Airport.
    • Bloomington-Normal Airport offers nonstop flights to 8 cities.
    • Every week, at least 245 domestic flights and 0 international flights depart from Bloomington-Normal Airport.
Cheap flights to Illinois recently found by travelers

The top flight destination for Illinois is Chicago

Enter your dates once and have TripAdvisor search multiple sites to find the best prices on Illinois flights.