# Who flies Chicago O'Hare → Montreal (any) nonstop?

**3 airlines fly Chicago O'Hare → Montreal (any) nonstop: Air Canada (YUL), American Airlines (YUL) and United Airlines (YUL).**

| Airline | Routes | Book direct |
|---|---|---|
| Air Canada | O'Hare (ORD) → Montréal–Trudeau (YUL) | https://www.aircanada.com |
| American Airlines | O'Hare (ORD) → Montréal–Trudeau (YUL) | https://www.aa.com |
| United Airlines | O'Hare (ORD) → Montréal–Trudeau (YUL) | https://www.united.com |

bookDirect is the airline's own website. picktheflight earns nothing from it.

Compare fares for ORD-YUL: [Trip.com](https://www.trip.com/flights/chicago-to-montreal/tickets-ORD-YUL/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/ORD0911YUL1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=ORD&to=@montreal · JSON: https://picktheflight.com/intents/ORD/@montreal

---
Data built 2026-10-12 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.