Chicago to Toronto (ORD–YYZ) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
ORD–YYZ is served by 10 airlines with nonstop service. United Airlines, American Airlines and Air Canada lead the route. The flight covers 435 miles in approximately 1h 50m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: CM, MS, NZ | 88 | 319, 320, 738, 739, E75L, E7W | 1h39-2h05 | Star Alliance | CM, MS, NZ | |
| AA American Airlines Also: AS, AY, BA, IB, PD, QF, RJ | 49 | CR7, E70, E75, E75S | 1h48-1h56 | Oneworld | AS, AY, BA, IB, PD, QF, RJ | |
| AC Air Canada | 49 | 223, 320, 321, 739, BCS3, E75, E75S | 1h44-2h05 | Star Alliance | – | |
| CX Cathay Pacific | 2 | 748, 74N | 1h50 | Oneworld | – | |
| BR EVA Air | 1 | – | – | Star Alliance | – | |
| CNK CNK | 1 | – | – | – | – | |
| KE Korean Air | 1 | – | – | SkyTeam | – | |
| OO SkyWest Airlines | 0 | – | – | – | – | |
| PLF PLF | 0 | – | – | – | – | |
| SY Sun Country Airlines | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Toronto from Chicago
| Metric | ORD→YYZ | MDW→YYZ | GYY→YYZ |
|---|---|---|---|
| Distance from ORD | – | 15 mi | 36 mi |
| Nonstop airlines | 10 | 15 | 1 |
| Weekly flights | 366 | 1 | 1 |
| Flight time | 1h 50m | 1h 4m | 1h 15m |
| Departure OTP | 39% | – | – |
Travel Essentials
ORD: CDT · YYZ: EDT
When it's 6:00 PM in Chicago, it's 7:00 PM in Toronto.
US passport holders enter Canada without a visa for stays up to 6 months. No eTA is needed when arriving by air with a US passport. Passport must be valid for the duration of the stay. A return or onward ticket and proof of funds may be requested at the border.
CTA Blue Line runs 24/7 from downtown Loop stations to O'Hare (45 min, $5). Pace buses serve suburbs. Ride-shares cost $35–55 from downtown depending on traffic; add 30+ minutes during rush hour on the Kennedy Expressway.Economy parking lots E/F connect via ATS people mover. Terminal 5 (international) is separate from Terminals 1–3; allow extra time for inter-terminal transfers.
UP Express from T1 to Union Station runs every 15 minutes (25 min, CAD $12.35). The station is inside T1; take the LINK train from T3 arrivals first (free, 3 min). Taxis to downtown use a meter; expect CAD $55–75.Ride-hail (Uber, Lyft) picks up at the designated Ground Transportation area; follow signs. TTC buses run to the Kipling and Bloor–Yonge subway stations (CAD $3.30) for a longer but cheaper option. Car rental agencies are at T1 and accessible from T3 via the LINK train.
Humid continental climate. Winters are harsh (−10 to −1°C, December–March) with significant snowfall. Pearson closes runways for plowing and de-icing regularly, causing wave delays. Ice storms (freezing rain) are more disruptive than snowfall and can halt operations for hours. Buffalo-effect lake-effect snow can bring heavy accumulations with little warning.
Summers are warm and humid (22–30°C) with afternoon thunderstorms that delay departures July–August. Spring and fall are pleasant but unpredictable. YYZ connections in winter require significant schedule buffer. It is Canada's most weather-disrupted major hub.
ORD–YYZ Quick Facts
Frequently Asked Questions
Chicago O'Hare to Toronto Pearson: US-Canada Transborder Trunk
ORD-YYZ is a 720 km transborder route connecting two of North America's largest hub airports. Air Canada, United, and American operate combined daily departures of 6-10. Flight time is 1 hour 30 minutes. The route serves both point-to-point travelers between Chicago and Toronto and a significant connecting passenger base using either ORD or YYZ as a transfer hub for US domestic or Canadian domestic onward flights. Air Canada operates from Terminal 2 at O'Hare, separate from United's Terminal 1. The segment is classified as a transborder international route, requiring passport documentation and declaration forms despite the short distance and deeply integrated US-Canada travel market.
Pre-Clearance and Connection Dynamics
Toronto Pearson's CBSA and US CBP pre-clearance facilities allow passengers departing Toronto for O'Hare to complete US immigration before boarding. Passengers arrive at O'Hare in the domestic terminal rather than the international arrivals area, which eliminates connection overhead and allows same-terminal connections to US domestic flights. This makes YYZ-ORD particularly efficient for Canadian passengers connecting through Chicago to US domestic destinations. The Union Pearson Express connects Terminal 1 at YYZ to downtown Union Station in 25 minutes. O'Hare connects to downtown Chicago via CTA Blue Line in 45 minutes.