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

Southwest is running a sale on fall and winter flights. Prices are down on over 50 domestic routes, while advertised fares start at $122 round-trip.

These are the rules:

– You can fly October 7 through Mach 5.

– No travel allowed on certain dates — details here.

– No Friday or Sunday flights.

– 14-day advance purchase required.

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

– The offer is valid until 11:59pm October 2, or while availability lasts.

Search Cheap Flights for Fall

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