Shanghai (PVG) to Seoul (SEL): 511 miles (822 km) great-circle, about 1h 30m nonstop by our estimate. Cheapest fare observed: $218 round-trip on Spring Airlines, with 1 stop, departing June 9, 2026.
$218 round-trip, Spring Airlines 9C8573, departing 2026-06-09 at 20:05, returning 2026-06-16. The recorded itinerary left on a Tuesday, returning on a Tuesday 7 nights later; the fare was observed 45 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $218, it ranked 7th of the 30 round-trip fares we recorded from PVG (median $310). That is 42.7 cents per great-circle mile (round-trip price over one-way distance), above the PVG median of 23.9 cents across 30 round-trip routes.
Routes from PVG of similar length: Beijing (683 mi) at $215 and Zhangjiajie (693 mi) at $238.
Spring Airlines had the cheapest fare on 8 of 30 PVG routes. It is the 30th longest of the 30 routes we track from PVG.
Of 24 departure airports with a fare to Seoul, Shanghai (PVG) ranked 5th at $218. Lowest: $142 from Osaka (KIX); highest: $1288 from Portland (PDX); 10 nonstop. Cheapest-fare airlines (routes): Jetstar (2), Peach Aviation (2), airline 9G (1), airline WE (1), Alaska Airlines (1) and Asiana (1), plus 16 more.
That depends on your passport and trip, so check the official source for South Korea: Republic of Korea: K-ETA. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Shanghai, Asia/Seoul; flight time is our estimate.