Cheap Flights from San Francisco to Toronto — $117

More than 6 airlines operate flights from San Francisco to Toronto, including Air Canada, United Airlines, Porter Airlines, Westjet, Frontier Airlines, and Alaska Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $117, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

San Francisco International (SFO) serves as the region’s primary international hub, handling long-haul carriers alongside major U.S. airlines and several low-cost carriers on international and domestic routes. It sits about 13 miles south of downtown San Francisco, with BART trains typically taking 30–35 minutes and airport shuttles or rideshares usually 25–45 minutes depending on traffic; expect public transit fares and BART tickets to be modest, while rideshare costs can vary. The airport is well-equipped with lounges, dining and transit links, making it convenient for transfers and international connections. Downsides can include busy terminals and sometimes longer security or arrival waits during peak periods.

Toronto is served primarily by Toronto Pearson International (YYZ) and Billy Bishop Toronto City Airport (YTZ), with Pearson acting as the main international and transcontinental gateway and Billy Bishop catering to short-haul and business-oriented flights. Pearson typically handles flag carriers and major international alliances alongside full-service and low-cost carriers; it sits about 22 km northwest of downtown and is reachable by UP Express in roughly 25 minutes (fares typically in the mid-range), taxis or ride-shares in 30–45 minutes depending on traffic, and various shuttle buses. Billy Bishop is on the Toronto Islands, about 3 km from the core; a brief pedestrian tunnel or a short ferry plus walk can take 5–15 minutes, and it’s usually favored for quick regional hops. Pros: Pearson offers extensive global connections and robust amenities; Billy Bishop is convenient for business travelers heading to downtown. Cons: Pearson can involve longer transfers and variable traffic, while Billy Bishop’s route network and flight options are more limited.

The cost of a one-way flight from San Francisco to Toronto ranges from $118 (September 2026) to $542 (July 2026). On average, the ticket price is about $237–$267.