Submit feedbackSubmit feedbackComplete travel information for your September journey
September is a strong month to fly from San Francisco International Airport (SFO) to Montréal–Trudeau International Airport (YUL): it’s shoulder season with lower summer crowds, competitive fares, and pleasant travel weather. Use BART or rideshare for reliable transit to SFO, and consider nearby departure airports like San Jose (SJC) and Oakland (OAK) if you need more schedule or price options. For best deals, set fare alerts and book 6–10 weeks ahead; check both nonstop and one-stop itineraries via Toronto (YYZ) or New York. Pack layers for Montreal’s early-fall temperatures, enroll in TSA PreCheck to speed security at SFO, and confirm baggage rules with your carrier before departure.
A nonstop flight from San Francisco International Airport (SFO) to Montréal–Trudeau International Airport (YUL) typically takes about 5 hours 30 minutes to 6 hours depending on winds and routing. Schedules in September often show slightly faster west-to-east times thanks to prevailing jet streams; always check the specific airline timetable before booking for the most accurate duration.
Yes — several carriers operate seasonal or year-round nonstop services between San Francisco International Airport (SFO) and Montréal–Trudeau International Airport (YUL), with increased frequency in shoulder months like September. If you prefer nonstop service, search explicitly for nonstop SFO to YUL flights in flight search engines and set filters to show only direct options.
To find cheap SFO to YUL flights in September, compare flexible-date results on Google Flights, Skyscanner, and airline sites, set fare alerts 6–12 weeks in advance, and consider mid-week departures. Also check nearby airports like San Jose (SJC) and Oakland (OAK) for lower fares and look for connecting routings via Toronto (YYZ) or New York (JFK) which can sometimes be cheaper.
San Francisco International Airport (SFO) offers public transit via BART, dedicated airport shuttles, ride-share pickup zones, and several on-site parking garages with short- and long-term options. In September, demand can ease after summer rush but special event weekends may still require advance parking reservations; consider BART or off-site lots for savings.
For international flights departing San Francisco International Airport (SFO) to Montréal–Trudeau International Airport (YUL), arrive at least 2.5 to 3 hours before scheduled departure to clear security and any airline check-in procedures. September can still bring busy travel days, so allow extra time if traveling with checked bags or during peak morning/evening windows.
Baggage allowances and fees vary by carrier but expect at least one carry-on included; checked baggage may incur fees on basic economy fares for transborder and international flights. In September, double-check your airline’s specific carry-on, checked baggage size, and weight limits — and join the airline frequent flyer program or use branded credit cards for waived baggage fees and priority boarding.
September arrivals at Montréal–Trudeau International Airport (YUL) benefit from pleasant early-fall weather and fewer summer crowds, making it an ideal month to explore Montreal and nearby regions. After touching down, options to reach downtown include the 747 express bus, taxis, and ride-share services; car rentals are convenient for exploring Quebec City, Ottawa, or the Laurentians for fall foliage. For smoother entry, check passport validity, confirm customs guidance, and consider booking accommodations close to Old Montreal or the Plateau for easy access to cultural events and dining.
September in Montreal is early fall: expect mild days around 15–22°C (59–72°F) and cooler evenings that can drop to 7–12°C (45–54°F). Pack a light jacket and an umbrella for sporadic rain; layering is ideal for city sightseeing after arrival at Montréal–Trudeau International Airport (YUL).
Montréal–Trudeau International Airport (YUL) is approximately 20 km (12 miles) west of downtown Montreal, about a 25–40 minute drive depending on traffic. From YUL you can also access nearby major destinations including Quebec City (approx. 2.5–3 hours), Ottawa (approx. 2 hours), and the Laurentians or Eastern Townships for fall foliage day trips.
When arriving at Montréal–Trudeau International Airport (YUL) in September, have your passport ready and complete any required customs declarations; ArriveCAN is no longer mandatory but always verify current entry rules. Use the 747 express bus or airport shuttle to downtown, or pre-book a rideshare/taxi; luggage storage and tourist information centers are available in the terminal for first-time visitors.
September often brings shoulder-season fare discounts to Montréal–Trudeau International Airport (YUL) as summer demand tapers off; you can find competitive round-trip fares from San Francisco with early booking or flexible-date searches. Monitor fare comparison sites, set price alerts, and consider midweek arrivals or one-stop itineraries through Toronto (YYZ) or New York to lower costs.
Montréal–Trudeau International Airport (YUL) offers car rental counters, express buses (747), taxis, rideshare pickup zones, and limited rail connections via connecting shuttles. Amenities include duty-free shopping, lounges, currency exchange, and baggage services; in September these services operate at full capacity but expect occasional delays during business travel peaks.
Yes — Montréal–Trudeau International Airport (YUL) is a major hub with onward flights to Canadian cities like Quebec City, Ottawa, Toronto, and regional destinations in the Laurentians and Eastern Townships. If you have a connecting flight sector, confirm minimum connection times and baggage transfer with your airline, especially when arriving from an international leg.
September brings cultural season openings and outdoor activities around Montréal–Trudeau International Airport (YUL). Expect classical and contemporary music season kickoffs, theater premieres, and gallery exhibitions across downtown Montreal and the Plateau. Late September is also the start of fall foliage season in the Laurentians and Eastern Townships, making day trips to Mont-Tremblant and Quebec’s wine country popular. Additionally, food and wine events, neighborhood harvest markets, and weekend cultural festivals often take place; check local event calendars before travel to book restaurants or tickets in advance.
September is one of the best months to fly from San Francisco International Airport (SFO) to Montréal–Trudeau International Airport (YUL) because it combines lower post-summer fares with pleasant early-fall weather in Montreal. For the lowest prices, target mid-week departures (Tuesday–Thursday) and fly during shoulder periods in late September. If you want the warmest weather, visit in July–August, but expect higher fares and crowds; for leaf-peeping and fewer tourists, late September to early October is ideal. Book 6–12 weeks ahead for optimal September airfares.
Nonstop flights from San Francisco International Airport (SFO) to Montréal–Trudeau International Airport (YUL) save time and reduce the risk of missed connections, typically taking about 5.5–6 hours. Connecting flights are often cheaper and more flexible, routing through hubs like Toronto Pearson (YYZ), Chicago O'Hare (ORD), New York (JFK/EWR), or Boston (BOS) and adding 2–4 hours in total travel time depending on layovers. Choose nonstop for convenience and shorter door-to-door time; choose connecting flights if you prioritize lower fares or specific loyalty program benefits. In September, balancing cost versus convenience is common — use a price-to-time comparison before booking.
Air Canada commonly offers nonstop and one-stop SFO–YUL service and tends to have schedule depth and codeshare coverage across Canada, with solid in-flight service and loyalty perks for Aeroplan members. United and American may operate one-stop routings via U.S. hubs like Chicago or New York; these can be competitive on price and timing. Low-cost carriers are less common on this transcontinental route, but checking alliances and partner fares often reveals better itineraries. Compare total trip cost including checked-bag fees, seat selection, and change/cancellation policies — especially for September travel where seat availability and promotions vary.
Pack layers for September travel: lightweight sweaters, a waterproof jacket, and comfortable walking shoes for Montreal’s variable weather. At San Francisco International Airport (SFO), use TSA PreCheck and arrive 2.5–3 hours prior for international departures to allow time for check-in and security. For entry into Canada, verify passport validity and current entry guidance; ArriveCAN requirements have relaxed but always confirm any health or documentation rules before departure. If you plan regional travel after YUL arrival, rent a car in advance for the Laurentians or Eastern Townships, and purchase travel insurance that covers weather disruptions common during shoulder seasons.
Nonstop SFO–YUL flights most commonly take about 5 hours 30 minutes to 6 hours, varying with wind and routing. In September, carriers often schedule early-morning and late-afternoon departures from San Francisco to align with business travel patterns: example nonstop schedules might include an 08:00 PDT departure arriving around 17:30 EDT or an afternoon departure arriving late evening. One-stop itineraries commonly connect through Toronto Pearson (YYZ), Chicago O'Hare (ORD), New York (JFK/EWR), or Boston (BOS), adding 2–4 hours of connection time depending on layover length. For real-time timetables and flight frequency, consult airline timetables and booking tools.
To find cheap SFO to YUL flights in September, search 6–10 weeks before travel, use flexible-date calendars on Google Flights and Skyscanner, and sign up for email price alerts. Consider mid-week travel (Tuesdays and Wednesdays), one-stop routes through Toronto (YYZ) or eastern U.S. hubs, and alternate Bay Area airports like San Jose (SJC) and Oakland (OAK) when comparing fares. Use incognito windows or fare trackers to monitor price volatility, and check airline flash sales — booking the right combination of time, route, and carrier can lower round-trip costs significantly.