That's the best deal we could find for select routes by at least $28. Buy Now at DealBase Tips On the DealBase landing page, click "Southwest Airlines" in the top line to see this sale. We found this price on flights departing from San Francisco, CA (SFO) with arrival in Burbank, CA (BUR) on November 20. Book this travel deal today for flights from November 4 through March 5, 2020. All prices, dates, and booking details were valid at the time of publication.