Amazon is not the only company having a prime day for sales. Frontier Airlines just posted one of its biggest sales ever. It claims to have 3 million seats on sale with fares as low as $20 one-way or $39 roundtrip.
While Frontier is an ultra-low-cost carrier with extra fees for everything from snacks to a carry-on bag, these ultra-low fares can still save a lot of money as long as you know what you are getting and purchase any necessary extras in advance.
Seats will be assigned at random upon check-in for these prices. You may pay a fee to choose a specific seat.
Frontier offers the Works bundle, which can be added to any flight during the initial booking. It includes a standard carry-on bag plus a personal item, one free checked bag, seat selection (including stretch seating), priority boarding, flight flexibility, and refundability. This is a value if you want all of these amenities, but chances are you can get away with just adding what you need a la carte for cheaper.
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