Austin (AUS) to Toronto (YTO): 1,358 miles (2,185 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $391 round-trip on United Airlines, with 1 stop, departing May 20, 2026.
$391 round-trip, United Airlines UA9058, departing 2026-05-20 at 12:55, returning 2026-05-30. The recorded itinerary left on a Wednesday, returning on a Saturday 10 nights later; the fare was observed 25 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $391, it ranked 19th of the 30 round-trip fares we recorded from AUS (median $292). That is 28.8 cents per great-circle mile (round-trip price over one-way distance), above the AUS median of 22.5 cents across 30 round-trip routes.
Routes from AUS of similar length: Los Angeles (1,240 mi) at $268 and San Francisco (1,502 mi) at $238.
United Airlines had the cheapest fare on 5 of 30 AUS routes. It is the 15th longest of the 30 routes we track from AUS.
Of 16 departure airports with a fare to Toronto, Austin (AUS) ranked 13th at $391. Lowest: $214 from Edmonton (YEG); highest: $1091 from Bangalore (BLR); 6 nonstop. Cheapest-fare airlines (routes): United Airlines (5), Porter Airlines (3), WestJet (3), airline P3 (1), Flair Airlines (1) and Frontier (1), plus 2 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/Toronto; flight time is our estimate.