Porto (OPO) to Barcelona (BCN): 558 miles (899 km) great-circle, about 1h 35m nonstop by our estimate. Cheapest fare observed: $74 round-trip on Ryanair, nonstop, departing May 5, 2026.
$74 round-trip, Ryanair FR4596, departing 2026-05-05 at 18:35, returning 2026-05-06. The recorded itinerary left on a Tuesday, returning on a Wednesday 1 night later; the fare was observed 10 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $74, it ranked 4th of the 30 round-trip fares we recorded from OPO (median $202). That is 13.3 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: Valencia (448 mi) at $45 and Porto Santo (705 mi) at $283.
Ryanair had the cheapest fare on 17 of 30 OPO routes. It is the 26th longest of the 30 routes we track from OPO.
Of 57 departure airports with a fare to Barcelona, Porto (OPO) ranked 8th at $74. Lowest: $44 from Milan (MXP); highest: $1401 from Brisbane (BNE); 28 nonstop. Cheapest-fare airlines (routes): Vueling (11), Wizz Air (10), Ryanair (8), Air Canada (4), Air Europa (3) and Wizz Air Malta (3), plus 18 more.
The reverse, Barcelona (BCN) to Porto (OPO), was $65 round-trip on Ryanair, nonstop, departing May 6, 2026. Barcelona to Porto flights.
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.