Washington DC (DCA) to Tokyo (TYO): 6,784 miles (10,918 km) great-circle, about 14h 05m nonstop by our estimate. Cheapest fare observed: $1812 round-trip on Air Canada, with 4 stops, departing May 21, 2026.
$1812 round-trip, Air Canada AC8870, departing 2026-05-21 at 12:45, returning 2026-05-30. The recorded itinerary left on a Thursday, returning on a Saturday 9 nights later; the fare was observed 26 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1812, it ranked 27th of the 30 round-trip fares we recorded from DCA (median $998). That is 26.7 cents per great-circle mile (round-trip price over one-way distance), close to the DCA median of 26.4 cents across 30 round-trip routes.
Routes from DCA of similar length: Kabul (6,924 mi) at $2181 and Samarkand (6,552 mi) at $2056.
Air Canada had the cheapest fare on 5 of 30 DCA routes. It is the 4th longest of the 30 routes we track from DCA.
Of 34 departure airports with a fare to Tokyo, Washington DC (DCA) ranked 34th at $1812. Lowest: $80 from Sapporo (CTS); highest: $1812 from Washington DC (DCA); 11 nonstop. Cheapest-fare airlines (routes): Scoot (4), Frontier (3), WestJet (3), Alaska Airlines (2), Jetstar (2) and Jetstar Japan (2), plus 17 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, Asia/Tokyo; flight time is our estimate.