Porto (OPO) to St. Petersburg (LED): 2,089 miles (3,362 km) great-circle, about 4h 40m nonstop by our estimate. Cheapest fare observed: $941 round-trip on Air Europa, with 2 stops, departing July 18, 2026.
$941 round-trip, Air Europa UX1142, departing 2026-07-18 at 20:10, returning 2026-09-13. The recorded itinerary left on a Saturday, returning on a Sunday 57 nights later; the fare was observed 84 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $941, it ranked 30th of the 30 round-trip fares we recorded from OPO (median $202). That is 45.0 cents per great-circle mile (round-trip price over one-way distance), above the OPO median of 19.7 cents across 30 round-trip routes.
Routes from OPO of similar length: Istanbul (1,928 mi) at $386 and Moscow (2,283 mi) at $627.
Air Europa had the cheapest fare on 2 of 30 OPO routes. It is the 7th longest of the 30 routes we track from OPO.
Of 98 departure airports with a fare to St. Petersburg, Porto (OPO) ranked 58th at $941. 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 Europe/Lisbon, Europe/Moscow; flight time is our estimate.