United Airlines via DealBase offers United Airlines 1-Way Fares Nationwide with prices starting at $48.20. (On the DealBase landing page, click on "United Airlines" in the top line to see this sale; although the landing page shows fares from $59, we found lower rates within.) This price is valid on flights from San Francisco, CA, (SFO) with arrival in Los Angeles, CA, (LAX) on October 18. That's the lowest price we could find for select routes by at least $8. Book this travel deal by September 21 for travel from September 27 through March 7, 2018.

Prices, dates, and booking details were valid at the time of publication.