Southwest Airlines via DealBase discounts select Southwest Airlines 1-Way Fares Nationwide, with prices starting at $41.98. (On the DealBase landing page, click on "Southwest Airlines" in the top line to see this sale; we found lower fares within.) That's the lowest price we could find for these routes by at least $68. This price is valid for flights departing on December 5 from Las Vegas, NV, (LAS) with arrival in Long Beach, CA, (LGB). Note that blackout dates and other conditions may apply. Book this travel deal by November 15 for travel from November 27 through May 22, 2019. All prices, dates, and booking details were valid at the time of publication.