Sydney (Mascot) to Chicago (SYD–ORD) — Airlines, Schedules & Connections

The Airport Link train (T8 line) runs from Central Station to the International Terminal in 13 minutes and to Domestic terminals in 10 minutes. Trains run roughly every 10 minutes from about 05:00 to midnight. The fare is AUD $20.10 from the CBD (Opal card); this includes a station access fee levied separately from standard fares.Taxis from the CBD cost AUD $45–65 depending on traffic and time of day; Uber is available from designated pick-up zones. The Eastern Distributor and Southern Cross Drive are the main road routes; the airport is about 10 km south of the CBD. Short-term parking at T1 international starts at AUD $8 for 30 minutes.

CTA Blue Line runs 24/7 from O'Hare to downtown Chicago (45 min, $5). Taxis use a flat-rate zone system; downtown is around $40–45 plus tip. Ride-shares are typically $30–50.The Airport Transit System (ATS) connects all terminals and parking. Metra commuter rail does not serve O'Hare directly; transfer downtown via Blue Line.

Continental climate with four distinct seasons. Summers are warm and humid (25–32°C) with afternoon thunderstorms. Winters are cold (−10 to −2°C) with heavy snowfall that regularly delays flights December through March.

Spring and fall are mild but unpredictable. Pack layers. Lake Michigan moderates temperatures near the lakefront, but O'Hare sits inland and runs colder.