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New direct bus route will connect REM to Montreal Airport starting June 2026—in less than 20 minutes

A congestion-free bus will link REM Des Sources station and Montréal-Trudeau Airport (YUL) with frequent daily service timed to REM departures.

Laura Osborne
Written by
Laura Osborne
Editor, Time Out Canada
YUL Montréal-Trudeau International Airport
Photograph: ADM Aéroports de Montréal | YUL
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A new, fast and convenient connection between the REM and the airport is here.

Starting June 17, a new STM bus route will provide a direct connection between REM Des Sources station and Montréal-Trudeau International Airport (YUL).

Read more: Montréal-Trudeau REM station 85% complete and set to serve millions of passengers

YUL Aéroport International de Montréal-Trudeau
Photograph: YUL Aéroport International de Montréal-TrudeauYUL

What's the schedule for the STM Route 815 bus?

Running daily through October 19, Route 815 is designed to make airport travel easier for both passengers and employees by coordinating departures with the REM schedule throughout the summer.

What's the frequency for the new bus?

Buses will operate every 30 minutes during regular periods, with service increasing to every 15 minutes between 1 p.m. and 8 p.m., when airport traffic is at its busiest.

From REM Des Sources station, the first departure will leave at 5:45 a.m. daily, with the final departure at 10:44 p.m. From YUL, service will begin at 6:00 a.m. and run until 10:29 p.m. each day.

How much is the fare?

The route will require an All Modes A fare, which includes unlimited travel for 120 minutes on STM buses, the métro and the REM. 

Detailed schedules will be available through trip planners and on the STM website, with first departures adjusted when the REM opens later than usual.


The seasonal route is being introduced to offer an additional public transit option during one of the airport’s busiest travel periods and the height of summer road congestion. 

Existing routes 747, 460 and 209 will continue to operate, with Route 209 also serving REM Des Sources station.

For more information on the STM Route 815 bus, click here.

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