Options depend on mode, budget, and time:
Route: I-91 N → VT border (Derby Line/Stanstead) → A-55 N → Montreal. Scenic, direct.
Greyhound / Vermont Transit direct from Springfield Union Station to Montreal Gare Centrale.
Amtrak Vermonter Springfield → St. Albans, VT → transfer to VIA Rail/AMTRAK Adirondack to Montreal. Not daily; check schedules.
Bradley (BDL) → Montréal–Trudeau (YUL). Multiple daily flights (Air Canada, United, American). Fastest door-to-door if no delays.
Border crossing: Have passport/NEXUS; check wait times (CBSA/CBP apps).