Singapore (SIN) to St. Petersburg (LED): 5,577 miles (8,976 km) great-circle, about 11h 40m nonstop by our estimate. Cheapest fare observed: $948 round-trip on Sichuan Airlines, with 1 stop, departing July 9, 2026.
$948 round-trip, Sichuan Airlines 3U3920, departing 2026-07-09 at 01:10, returning 2026-07-16. The recorded itinerary left on a Thursday, returning on a Thursday 7 nights later; the fare was observed 75 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $948, it ranked 29th of the 30 round-trip fares we recorded from SIN (median $361). That is 17.0 cents per great-circle mile (round-trip price over one-way distance), below the SIN median of 19.9 cents across 30 round-trip routes.
Routes from SIN of similar length: Istanbul (5,394 mi) at $552 and Moscow (5,252 mi) at $661.
SIN to LED is the only one of 30 SIN routes where Sichuan Airlines priced cheapest. It is the 2nd longest of the 30 routes we track from SIN.
Of 98 departure airports with a fare to St. Petersburg, Singapore (SIN) ranked 59th at $948. 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 Asia/Singapore, Europe/Moscow; flight time is our estimate.