$116 Chicago, IL (MDW) to St. Louis, MO (STL)

Airline
Southwest
Availability
Book by 7/27. Nonrefundable. Continental US travel valid 8/22 – 12/13. International travel valid August 22 through December 13, 2017.
Book By
Jul 27, 2017
Type
Non-stop
Travel Period
Aug 22, 2017 through Dec 13, 2017
Last Updated
Jul 11, 2017
How to Book
Click here to book online at Southwest.
Bag Pricing
See Southwest Baggage Fees
Notes
Domestic and San Juan, Puerto Rico travel blacked out September 1, September 4, November 21-22 & November 25-27, 2017. Sale fares from international destinations blacked out November 28, 2017. Domestic travel is not valid on Fridays and Sundays. International travel is valid only on Tuesdays and Wednesdays.
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