Washington DC (DCA) to Miami (MIA): 922 miles (1,483 km) great-circle, about 2h 20m nonstop by our estimate. Cheapest fare observed: $243 round-trip on Frontier, with 1 stop, departing May 4, 2026.
$243 round-trip, Frontier F9687, departing 2026-05-04 at 13:59, returning 2026-05-07. The recorded itinerary left on a Monday, returning on a Thursday 3 nights later; the fare was observed 9 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $243, it ranked 6th of the 30 round-trip fares we recorded from DCA (median $998). That is 26.4 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: Fort Lauderdale (901 mi) at $176 and Orlando (753 mi) at $146.
Frontier had the cheapest fare on 6 of 30 DCA routes. It is the 25th longest of the 30 routes we track from DCA.
Of 30 departure airports with a fare to Miami, Washington DC (DCA) ranked 15th at $243. Lowest: $72 from Atlanta (ATL); highest: $1627 from Wellington (WLG); 10 nonstop. Cheapest-fare airlines (routes): Frontier (13), Spirit (4), Southwest (3), American Airlines (2), Arajet (2) and Avianca (1), plus 5 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/New_York; flight time is our estimate.