--- title: "Montreal (YUL) to Seattle (SEA) flights: who flies it" description: "Air Canada flies Montreal (YUL) to Seattle (SEA) nonstop about 7 times a week as AC 515, scheduled at 5h 52m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/yul-sea" url: "https://2lnr.com/routes/yul-sea.md" date_modified: "2026-10-18T05:10:47Z" --- # Montreal to Seattle (YUL-SEA): nonstop flights and who flies them Air Canada flies the YUL to SEA nonstop about 7 times a week. In the timetable below it flies as AC 515, scheduled at 5h 52m for the 2,278 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 SEA on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 5h 52m Scheduled flight time 2,278 mi Nonstop distance Free To get started ## Montreal to Seattle flight schedule Scheduled nonstop departures for YUL to SEA starting October 22, 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 Seattle (SEA) | Date | Flight | Airline | Departs YUL | Arrives SEA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, May 1 | AC 515 | Air Canada | 17:30 | 20:22 | 5h 52m | [Airbus A220-300](https://2lnr.com/seatmaps/ac/a220-300.md) | | Sun, May 2 | AC 515 | Air Canada | 17:30 | 20:22 | 5h 52m | Airbus A220-300 | | Mon, May 3 | AC 515 | Air Canada | 17:30 | 20:22 | 5h 52m | Airbus A220-300 | | Tue, May 4 | AC 515 | Air Canada | 17:30 | 20:22 | 5h 52m | Airbus A220-300 | | Wed, May 5 | AC 515 | Air Canada | 17:30 | 20:22 | 5h 52m | Airbus A220-300 | | Thu, May 6 | AC 515 | Air Canada | 17:30 | 20:22 | 5h 52m | Airbus A220-300 | | Fri, May 7 | AC 515 | Air Canada | 17:30 | 20:22 | 5h 52m | Airbus A220-300 | Showing all 7 scheduled YUL to SEA departures across 7 days with service, starting October 22, 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 SEA date on the interactive map ## Aircraft on the Montreal to Seattle nonstop Air Canada flies the [Airbus A220-300](https://2lnr.com/seatmaps/ac/a220-300.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full YUL to SEA nonstop schedule This page carries the full YUL to SEA 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 SEA nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See YUL to SEA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Montreal to Seattle nonstop Carriers operating YUL to SEA 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 SEA on the interactive map → ## Frequently asked questions about YUL to SEA **How long is the flight from Montreal (YUL) to Seattle (SEA)?** AC 515 is scheduled at 5h 52m from Montreal (YUL) to Seattle (SEA) on every departure in the schedule table on this page. The nonstop covers about 2,278 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from YUL to SEA?** Air Canada is currently the only airline flying YUL to SEA nonstop. 2LNR doesn't show award or upgrade space for it on YUL to SEA, so this page carries the schedule rather than a space claim. **How many flights a week are there from YUL to SEA?** About 7 nonstop flights a week run between Montreal (YUL) and Seattle (SEA) in the current schedule, operated by Air Canada. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from YUL to SEA depart?** In the next 7 days with service, every scheduled YUL to SEA nonstop leaves at 17:30 local time at Montreal. The schedule table on this page lists each departure by date. **Which flights operate YUL to SEA nonstop?** Air Canada flies AC 515 nonstop from Montreal (YUL) to Seattle (SEA), 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 SEA?** Not on this route: 2LNR doesn't show award or upgrade space for Air Canada on YUL to SEA. The page carries the full YUL to SEA nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SEA to YUL nonstop flights](https://2lnr.com/routes/sea-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 Seattle (SEA)](https://2lnr.com/routes/sea.md). Nonstops from Montreal (YUL) to other airports within 150 miles of Seattle (SEA): - [Montreal (YUL) to Victoria (YYJ)](https://2lnr.com/routes/yul-yyj.md), 97 miles from SEA - [Montreal (YUL) to Vancouver (YVR)](https://2lnr.com/routes/yul-yvr.md), 127 miles from SEA Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full YUL to SEA 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)