New York (LGA) to Toronto (YTO): 356 miles (573 km) great-circle, about 1h 15m nonstop by our estimate. Cheapest fare observed: $219 round-trip on Porter Airlines, nonstop, departing May 14, 2026.
$219 round-trip, Porter Airlines PD608, departing 2026-05-14 at 20:25, returning 2026-05-17. The recorded itinerary left on a Thursday, returning on a Sunday 3 nights later; the fare was observed 19 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $219, it ranked 8th of the 30 round-trip fares we recorded from LGA (median $323). That is 61.5 cents per great-circle mile (round-trip price over one-way distance), above the LGA median of 17.6 cents across 30 round-trip routes.
Routes from LGA of similar length: Chicago (731 mi) at $166 and Atlanta (761 mi) at $93.
LGA to YTO is the only one of 30 LGA routes where Porter Airlines priced cheapest. It is the 30th longest of the 30 routes we track from LGA.
Of 16 departure airports with a fare to Toronto, New York (LGA) ranked 2nd at $219. 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/New_York, America/Toronto; flight time is our estimate.