San Jose (SJC) to Atlanta (ATL): 2,111 miles (3,398 km) great-circle, about 4h 45m nonstop by our estimate. Cheapest fare observed: $427 round-trip on Frontier, with 1 stop, departing May 22, 2026.
$427 round-trip, Frontier F94082, departing 2026-05-22 at 12:57, returning 2026-05-24. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 27 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $427, it ranked 17th of the 30 round-trip fares we recorded from SJC (median $415). That is 20.2 cents per great-circle mile (round-trip price over one-way distance), below the SJC median of 23.1 cents across 30 round-trip routes.
Routes from SJC of similar length: Indianapolis (1,920 mi) at $448 and Maui (2,354 mi) at $315.
Frontier had the cheapest fare on 5 of 30 SJC routes. It is the 17th longest of the 30 routes we track from SJC.
Of 24 departure airports with a fare to Atlanta, San Jose (SJC) ranked 22nd at $427. 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.