Southwest Airlines Roundtrip Philadelphia to Las Vegas Flights

Southwest Airlines and Expedia have roundtrip airfares traveling to and from Philadelphia (PHL) and Las Vegas (LAS) for $178. These are basic economy fares that allow a personal item and a carry-on bag, but no free checked bags. This offer expires on December 31, 2025.

Travel Availability:

• Departs PHL: August 24-27, 30-31; September 1-3, 6-10, 13-17, 20-24, 27, 29-30; October 1, 4-5, 7, 11-12, 14-15, 18, 20, 22, 25, 27, 29; November 1-5, 8, 10-12, 15-19; December 3, 9-10, 15
• Departs LAS: August 26-30; September 2-6, 9-13, 16-20, 23-27, 30; October 1-4, 7-9, 11, 14, 18, 21-25, 28-31; November 1, 4-7, 11-15, 18-19; December 6, 9-12