Frontier's Buck Fare Sale has been extended yet again and now includes international fares.
With taxes and fees, of course, domestic fares start at $30 round-trip.
Fares are good for nonstop travel in September/October.
Travel dates and restrictions may vary slightly by route. See our fare details for specifics.
Fares include:
Denver to Cancun $90 round-trip, nonstop
Philadelphia to Cancun $90 round-trip, nonstop
Cleveland to Cancun $90 round-trip, nonstop
St Louis to Cancun $138 round-trip, nonstop
Philadelphia to Montego Bay $159 round-trip, nonstop
Denver to Puerto Vallarta $124 round-trip, nonstop
Atlanta to Miami $30 round-trip, nonstop
Atlanta to Philadelphia $30 round-trip, nonstop
Miami to Philadelphia $44 round-trip, nonstop
Chicago to Philadelphia $30 round-trip, nonstop
Austin to Las Vegas $30 round-trip, nonstop
Houston to Phoenix $30 round-trip, nonstop
Houston to Philadelphia $30 round-trip, nonstop
Denver to Salt Lake City $30 round-trip, nonstop
Charlotte to Trenton $29 round-trip, nonstop
Minneapolis to Trenton $30 round-trip, nonstop
