Update: this popular deal may have sold out. See more deals >

Frontier Airlines is currently offering cheap fares on 59 domestic routes, with prices advertised from $138 round-trip. The deal is good until Thursday, or while availability lasts. These are the rules:

– You can fly October 28 through November 21.

– Tuesday, Wednesday and Saturday flights only.

– Sale fares are one-way only; round-trip purchase not required.

– 21-day advance purchase required.

– Book flights by 11:59pm ET September 26.

Search Cheap Flights on Frontier Airlines

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