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

Both airlines have cut prices across their entire networks. There are hundreds of domestic routes on sale, with round-trip fares advertised from $118. Read the full details on the AirTran and Southwest websites, but these are the main points:

– You can fly April 16 through October 30.

– Tuesday/Wednesday flights only.

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

– 10-day advance purchase required.

– Book flights by 11:59pm PT April 11

You can book cheap AirTran flights with our airfare comparison tool, or Southwest fares directly at the airline’s website.

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