San Diego (SAN) to Atlanta (ATL): 1,888 miles (3,038 km) great-circle, about 4h 15m nonstop by our estimate. Cheapest fare observed: $281 round-trip on Frontier, with 2 stops, departing May 21, 2026.
$281 round-trip, Frontier F91326, departing 2026-05-21 at 22:07, returning 2026-05-25. The recorded itinerary left on a Thursday, returning on a Monday 4 nights later; the fare was observed 26 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $281, it ranked 17th of the 30 round-trip fares we recorded from SAN (median $279). That is 14.9 cents per great-circle mile (round-trip price over one-way distance), close to the SAN median of 15.0 cents across 30 round-trip routes.
Routes from SAN of similar length: Nashville (1,747 mi) at $358 and Chicago (1,720 mi) at $270.
Frontier had the cheapest fare on 16 of 30 SAN routes. It is the 16th longest of the 30 routes we track from SAN.
Of 24 departure airports with a fare to Atlanta, San Diego (SAN) ranked 19th at $281. Lowest: $52 from Fort Lauderdale (FLL); highest: $1436 from Nairobi (NBO); 12 nonstop. Cheapest-fare airlines (routes): Frontier (20), Spirit (2), airline F2 (1) and Copa (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/New_York; flight time is our estimate.