Prices start at $73 one-way. Travel to U.S. cities from coast-to-coast from early December to March.
Sample United fares, one-way prices:
From Los Angeles
From San Francisco
Book by Nov. 20. Travel Dec. 2 to March 5, any day except Friday or Sunday. As always, sale seats are limited and may not last. See United for complete details. See FareCompare for more cheap flights from your city.