Seattle (SEA) to St. Petersburg (LED): 4,867 miles (7,833 km) great-circle, about 10h 15m nonstop by our estimate. Cheapest fare observed: $1964 round-trip on Air Canada, with 4 stops, departing July 1, 2026.
$1964 round-trip, Air Canada AC540, departing 2026-07-01 at 08:00, returning 2026-07-10. The recorded itinerary left on a Wednesday, returning on a Friday 9 nights later; the fare was observed 67 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1964, it ranked 30th of the 30 round-trip fares we recorded from SEA (median $591). That is 40.4 cents per great-circle mile (round-trip price over one-way distance), above the SEA median of 19.2 cents across 30 round-trip routes.
Routes from SEA of similar length: Tokyo (4,792 mi) at $856 and Moscow (5,195 mi) at $1513.
SEA to LED is the only one of 30 SEA routes where Air Canada priced cheapest. It is the 11th longest of the 30 routes we track from SEA.
Of 98 departure airports with a fare to St. Petersburg, Seattle (SEA) ranked 95th at $1964. Lowest: $247 from Antalya (AYT); highest: $2769 from Havana (HAV); 0 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (13), Emirates (8), Sichuan Airlines (8), Turkish (8), China Eastern (4) and Etihad (4), plus 38 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Europe/Moscow; flight time is our estimate.