Porto (OPO) to Vienna (VIE): 1,321 miles (2,125 km) great-circle, about 3h 10m nonstop by our estimate. Cheapest fare observed: $210 round-trip on Ryanair, nonstop, departing May 30, 2026.
$210 round-trip, Ryanair FR752, departing 2026-05-30 at 06:30, returning 2026-06-02. The recorded itinerary left on a Saturday, returning on a Tuesday 3 nights later; the fare was observed 35 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $210, it ranked 17th of the 30 round-trip fares we recorded from OPO (median $202). That is 15.9 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: Berlin (1,291 mi) at $249 and Belgrade (1,477 mi) at $361.
Ryanair had the cheapest fare on 17 of 30 OPO routes. It is the 11th longest of the 30 routes we track from OPO.
Of 19 departure airports with a fare to Vienna, Porto (OPO) ranked 10th at $210. Lowest: $52 from Venice (VCE); highest: $839 from Tampa (TPA); 13 nonstop. Cheapest-fare airlines (routes): Ryanair (10), airline WX (2), Air France (1), Air Serbia (1), Austrian (1) and Frontier (1), plus 3 more.
That depends on your passport and trip, so check the official source for Austria: 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/Vienna; flight time is our estimate.