Flights to Chicago
Chicago has the best architecture in North America and a lakefront that runs for 30 kilometres. O'Hare is one of the world's busiest airports, making it a reliable connecting point for US domestic routes.
When to fly to Chicago
May to October. Winter on the lake is genuinely severe — wind chill regularly drops below -20°C.
Fares to Chicago move with season and demand. Each route page above shows month-by-month prices for that specific city pair, which is a far better guide than a general rule of thumb.
Flights to Chicago: common questions
How much does it cost to fly to Chicago?
Fares to Chicago vary by departure city and season. Compare live prices from your city above.
What is the best time to visit Chicago?
May to October. Winter on the lake is genuinely severe — wind chill regularly drops below -20°C.
Which airports serve Chicago?
Chicago is served by Merrill C Meigs (CGX), DuPage Airport (DPA), Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Executive Airport (PWK), Chicago Rockford International Airport (RFD).
How far in advance should I book flights to Chicago?
For long-haul routes, 2–5 months ahead usually gives the best fares; short-haul is typically cheapest 3–8 weeks out. Each route page shows that route's own price pattern by month.