Roundtrip Atlanta to Las Vegas Nonstop Airfares on Southwest Airlines

No special codes or coupons are required. Get these nonstop roundtrip airfares while available for travel through early March 2026. This price is lower than Spirit Airlines for the same route. While these are basic economy fares, they include a personal item and a carry-on bag, but no free checked bags or seat selection.

Travel Availability

• Departing Atlanta (ATL): January 7, 11-15, 17-18, 20-21, 24, 26-28, 30-31; February 1, 3, 7-11, 21, 23; March 3
• Departing Las Vegas (LAS): January 6-10, 12-13, 16, 20-24, 26-31; February 2-7, 9-11, 15, 17-19, 24