Atlanta (ATL) to Washington (WAS): 534 miles (859 km) great-circle, about 1h 35m nonstop by our estimate. Cheapest fare observed: $87 round-trip on Frontier, nonstop, departing April 30, 2026.
$87 round-trip, Frontier F93692, departing 2026-04-30 at 22:40, returning 2026-05-02. The recorded itinerary left on a Thursday, returning on a Saturday 2 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $87, it ranked 3rd of the 30 round-trip fares we recorded from ATL (median $212). That is 16.3 cents per great-circle mile (round-trip price over one-way distance), close to the ATL median of 15.8 cents across 30 round-trip routes.
Routes from ATL of similar length: Baltimore (576 mi) at $93 and Fort Lauderdale (582 mi) at $77.
Frontier had the cheapest fare on 18 of 30 ATL routes. It is the 29th longest of the 30 routes we track from ATL.
Of 19 departure airports with a fare to Washington, Atlanta (ATL) ranked 1st at $87. Lowest: $87 from Atlanta (ATL); highest: $572 from Los Angeles (LAX); 6 nonstop. Cheapest-fare airlines (routes): Frontier (10), United Airlines (3), American Airlines (2), Alaska Airlines (1), Copa (1) and Southwest (1), plus 1 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.