Porto (OPO) to Valencia (VLC): 448 miles (721 km) great-circle, about 1h 25m nonstop by our estimate. Cheapest fare observed: $45 round-trip on Ryanair, nonstop, departing May 11, 2026.
$45 round-trip, Ryanair FR1710, departing 2026-05-11 at 06:10, returning 2026-05-12. The recorded itinerary left on a Monday, returning on a Tuesday 1 night later; the fare was observed 16 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $45, it was the cheapest of the 30 round-trip fares we recorded from OPO (median $202). That is 10.0 cents per great-circle mile (round-trip price over one-way distance), below the OPO median of 19.7 cents across 30 round-trip routes.
Routes from OPO of similar length: Barcelona (558 mi) at $74 and Bilbao (327 mi) at $149.
Ryanair had the cheapest fare on 17 of 30 OPO routes. It is the 27th longest of the 30 routes we track from OPO.
Of 9 departure airports with a fare to Valencia, Porto (OPO) ranked 1st at $45. Lowest: $45 from Porto (OPO); highest: $295 from Amsterdam (AMS); 8 nonstop. Cheapest-fare airlines (routes): Wizz Air Malta (3), Ryanair (2), Vueling (2), Air France (1) and Wizz Air (1).
That depends on your passport and trip, so check the official source for Spain: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Lisbon, Europe/Madrid; flight time is our estimate.