Washington DC (IAD) to Milan (MIL): 4,211 miles (6,778 km) great-circle, about 8h 55m nonstop by our estimate. Cheapest fare observed: $1053 round-trip on Porter Airlines, with 2 stops, departing May 21, 2026.
$1053 round-trip, Porter Airlines PD2720, departing 2026-05-21 at 11:30, returning 2026-06-01. The recorded itinerary left on a Thursday, returning on a Monday 11 nights later; the fare was observed 26 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1053, it ranked 21st of the 30 round-trip fares we recorded from IAD (median $775). That is 25.0 cents per great-circle mile (round-trip price over one-way distance), above the IAD median of 22.5 cents across 30 round-trip routes.
Routes from IAD of similar length: Paris (3,851 mi) at $1170 and Casablanca (3,821 mi) at $865.
Porter Airlines had the cheapest fare on 2 of 30 IAD routes. It is the 13th longest of the 30 routes we track from IAD.
Of 44 departure airports with a fare to Milan, Washington DC (IAD) ranked 39th at $1053. Lowest: $37 from Barcelona (BCN); highest: $1408 from Washington DC (DCA); 28 nonstop. Cheapest-fare airlines (routes): Ryanair (13), easyJet (5), Wizz Air Malta (4), Wizz Air (3), airline MW (2) and Condor (2), plus 13 more.
That depends on your passport and trip, so check the official source for Italy: 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 America/New_York, Europe/Rome; flight time is our estimate.