--- title: "Montreal (YUL) to St. Louis (STL) flights: who flies it" description: "Air Canada flies Montreal (YUL) to St. Louis (STL) nonstop twice a week as AC 8687, scheduled at 2h 46m to 2h 51m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/yul-stl" url: "https://2lnr.com/routes/yul-stl.md" date_modified: "2026-10-18T05:10:47Z" --- # Montreal to St. Louis (YUL-STL): nonstop flights and who flies them Air Canada flies nonstop from Montreal (YUL) to St. Louis (STL) just twice a week. In the timetable below it flies as AC 8687, scheduled at 2h 46m to 2h 51m for the 968 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See YUL to STL on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 46m to 2h 51m Scheduled flight time 968 mi Nonstop distance Free To get started ## Montreal to St. Louis flight schedule Scheduled nonstop departures for YUL to STL starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Montreal (YUL) to St. Louis (STL) | Date | Flight | Airline | Departs YUL | Arrives STL | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | AC 8687 | Air Canada | 16:55 | 18:41 | 2h 46m | [Embraer E175](https://2lnr.com/seatmaps/ac/e175.md) | | Sat, Oct 24 | AC 8687 | Air Canada | 16:40 | 18:26 | 2h 46m | [Bombardier CRJ-900](https://2lnr.com/seatmaps/ac/crj-900.md) | | Sat, May 1 | AC 8687 | Air Canada | 16:30 | 18:21 | 2h 51m | Bombardier CRJ-900 | | Sun, May 2 | AC 8687 | Air Canada | 16:30 | 18:21 | 2h 51m | Bombardier CRJ-900 | | Mon, May 3 | AC 8687 | Air Canada | 16:30 | 18:21 | 2h 51m | Bombardier CRJ-900 | | Tue, May 4 | AC 8687 | Air Canada | 16:30 | 18:21 | 2h 51m | Bombardier CRJ-900 | | Wed, May 5 | AC 8687 | Air Canada | 16:30 | 18:21 | 2h 51m | Bombardier CRJ-900 | Showing all 7 scheduled YUL to STL departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every YUL to STL date on the interactive map ## Aircraft on the Montreal to St. Louis nonstop Air Canada flies the departures in the schedule table on this page with the [Bombardier CRJ-900](https://2lnr.com/seatmaps/ac/crj-900.md) and the [Embraer E175](https://2lnr.com/seatmaps/ac/e175.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full YUL to STL nonstop schedule This page carries the full YUL to STL nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each YUL to STL nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See YUL to STL on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Montreal to St. Louis nonstop Carriers operating YUL to STL nonstop in the current schedule. - [Air Canada (AC) route map](https://2lnr.com/routes/airlines/ac.md)\ [The aircraft AC flies](https://2lnr.com/seatmaps/ac.md) See YUL to STL on the interactive map → ## Frequently asked questions about YUL to STL **How long is the flight from Montreal (YUL) to St. Louis (STL)?** Scheduled flight times from Montreal (YUL) to St. Louis (STL) run from 2h 46m to 2h 51m across the departures in the schedule table on this page. The nonstop covers about 968 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from YUL to STL?** Air Canada is currently the only airline flying YUL to STL nonstop. 2LNR doesn't show award or upgrade space for it on YUL to STL, so this page carries the schedule rather than a space claim. **How often does YUL to STL operate?** The YUL to STL nonstop currently runs twice a week, on Air Canada. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from YUL to STL depart?** Scheduled YUL to STL nonstops in the next 7 days with service leave between 16:30 and 16:55, local time at Montreal. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate YUL to STL nonstop?** Air Canada flies AC 8687 nonstop from Montreal (YUL) to St. Louis (STL), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on YUL to STL?** Not on this route: 2LNR doesn't show award or upgrade space for Air Canada on YUL to STL. The page carries the full YUL to STL nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [STL to YUL nonstop flights](https://2lnr.com/routes/stl-yul.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Montreal (YUL)](https://2lnr.com/routes/yul.md), or [every route from St. Louis (STL)](https://2lnr.com/routes/stl.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full YUL to STL nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)