Dallas (DFW) to San Diego (SAN): 1,168 miles (1,880 km) great-circle, about 2h 50m nonstop by our estimate. Cheapest fare observed: $134 round-trip on Frontier, nonstop, departing June 6, 2026.
$134 round-trip, Frontier F91769, departing 2026-06-06 at 17:01, returning 2026-06-08. The recorded itinerary left on a Saturday, returning on a Monday 2 nights later; the fare was observed 42 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $134, it ranked 11th of the 30 round-trip fares we recorded from DFW (median $198). That is 11.5 cents per great-circle mile (round-trip price over one-way distance), below the DFW median of 15.9 cents across 30 round-trip routes.
Routes from DFW of similar length: Washington (1,170 mi) at $220 and Miami (1,120 mi) at $108.
Frontier had the cheapest fare on 18 of 30 DFW routes. It is the 16th longest of the 30 routes we track from DFW.
Of 11 departure airports with a fare to San Diego, Dallas (DFW) ranked 3rd at $134. Lowest: $76 from San Francisco (SFO); highest: $563 from Washington DC (IAD); 4 nonstop. Cheapest-fare airlines (routes): Frontier (8), Alaska Airlines (2) and WestJet (1).
The reverse, San Diego (SAN) to Dallas (DFW), was $125 round-trip on Frontier, nonstop, departing May 26, 2026. San Diego to Dallas flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/Los_Angeles; flight time is our estimate.