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 O'Fallon, IL

O'Fallon is served by 2 Chicago area airports

Hilton Garden Inn St. Louis Shiloh/O’Fallon (VFMPhotoImport, Apr 2014)
Round Trip
Compare prices (in new window)

Search Flights
Several Popular Airlines fly into Airports that serve O'Fallon, IL, including
  • US Airways 31% recommend
  • United 32% recommend
  • American Airlines 40% recommend

See all airlines

Flight stats for O'Fallon, IL - did you know?
  • O'Fallon is 413 km from O'Hare Intl Airport (Chicago, IL).
  • 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 35,273 domestic flights and 3,773 international flights depart from O'Hare Intl Airport.
  • O'Fallon is 399 km from Midway Airport (Chicago, IL).
  • 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 3,339 domestic flights and 126 international flights depart from Midway Airport.