Barcelona (BCN) to Porto (OPO): 558 miles (899 km) great-circle, about 1h 35m nonstop by our estimate. Cheapest fare observed: $65 round-trip on Ryanair, nonstop, departing May 6, 2026.
$65 round-trip, Ryanair FR4545, departing 2026-05-06 at 05:50, returning 2026-05-11. The recorded itinerary left on a Wednesday, returning on a Monday 5 nights later; the fare was observed 11 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $65, it ranked 7th of the 30 round-trip fares we recorded from BCN (median $129). That is 11.6 cents per great-circle mile (round-trip price over one-way distance), below the BCN median of 13.7 cents across 30 round-trip routes.
Routes from BCN of similar length: Paris (533 mi) at $58 and Rome (527 mi) at $57.
Ryanair had the cheapest fare on 5 of 30 BCN routes. It is the 23rd longest of the 30 routes we track from BCN.
Of 7 departure airports with a fare to Porto, Barcelona (BCN) ranked 1st at $65. Lowest: $65 from Barcelona (BCN); highest: $227 from Geneva (GVA); 3 nonstop. Cheapest-fare airlines (routes): Ryanair (3), easyJet (2), Air Europa (1) and Wizz Air (1).
The reverse, Porto (OPO) to Barcelona (BCN), was $74 round-trip on Ryanair, nonstop, departing May 5, 2026. Porto to Barcelona flights.
That depends on your passport and trip, so check the official source for Portugal: 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/Madrid, Europe/Lisbon; flight time is our estimate.