Luxembourg (LUX) to Porto (OPO): 923 miles (1,485 km) great-circle, about 2h 20m nonstop by our estimate. Cheapest fare observed: $114 round-trip on Ryanair, nonstop, departing May 30, 2026.
$114 round-trip, Ryanair FR2916, departing 2026-05-30 at 22:15, 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 $114, it ranked 3rd of the 30 round-trip fares we recorded from LUX (median $287). That is 12.4 cents per great-circle mile (round-trip price over one-way distance), below the LUX median of 36.9 cents across 30 round-trip routes.
Routes from LUX of similar length: Tallinn (1,001 mi) at $415 and Malta (1,039 mi) at $100.
Ryanair had the cheapest fare on 10 of 30 LUX routes. It is the 17th longest of the 30 routes we track from LUX.
Of 7 departure airports with a fare to Porto, Luxembourg (LUX) ranked 3rd at $114. 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 Luxembourg (LUX), was $202 round-trip on Ryanair, 1 stop, departing May 4, 2026. Porto to Luxembourg 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/Luxembourg, Europe/Lisbon; flight time is our estimate.