October is a busy fall travel month for Raleigh-Durham International Airport (RDU) due to college football, university events in the Research Triangle (Raleigh, Durham, Chapel Hill), and pleasant travel weather. Travelers heading to O'Hare International Airport (ORD) should expect multiple daily nonstop options on United and American with typical flight durations around 1h45–2h. For the best fares, search flexible midweek dates and set fare alerts; if traveling during NC State or Wake Forest home games plan to arrive earlier at RDU. Nearby major destinations commonly accessed from RDU include Raleigh, Durham, Chapel Hill, Research Triangle Park, Charlotte, and Fayetteville—many travelers connect through RDU for regional business and leisure travel. CTA: Book cheap flights RDU to ORD now—compare carriers and reserve early to lock in October fares.
Arriving at O'Hare International Airport (ORD) in October provides easy access to Chicago neighborhoods and nearby cities such as Chicago, Evanston, Naperville, Oak Park, and Milwaukee. October is prime autumn season—expect cool temperatures and increased visitor traffic for the Chicago Marathon and film festivals; plan transfers accordingly. Use the CTA Blue Line for budget transit to downtown, or reserve a shuttle or rental car for suburban connections. For a smooth arrival from Raleigh-Durham International Airport (RDU), track flights, know your terminal/gate in advance, and book ground transport early during major October events.