Frontier Airlines: Chicago to Istanbul in October
Fly Frontier Airlines from Chicago (ORD) to Istanbul (IST) in October 2026. Q4 (Fall) pricing. Distance: 5,477 mi. Flight time: 10h 50m.
$640
Economy est.
$3800
Business est.
10h 50m
Flight time
October Travel Tips
Q4 (Fall) is typically peak season for this route. Nonstop service available. Book 6-8 weeks ahead for best prices.
Ready to find your best fare?
Join travel professionals who never overpay for flights. Free account in 30 seconds.
Create Free Account