Image: Santa Monica Pier near LA
Frontier has deals between Denver and Eugene OR, Fresno, Los Angeles, Orange Co. CA, San Diego, San Francisco, Santa Barbara, Seattle and Spokane. The airline advertises the deals as starting at $99 one-way, yet in some cases we found these fares for less on Frontier’s site (example: LA to Denver from $89 one-way).
Book by Sept. 12. Travel through Dec. 18. Blackout dates: Nov. 22-Dec. 2. Seats may not be available all days you want to fly. See Frontier for further restrictions. See FareCompare for more cheap flights anywhere.