Washington D.C. to Illinois, United States flights

Deals to Chicago, Illinois are as low as $67 right now.
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Best Deals from WAS to Illinois

Discover the cheapest current deals from 3,115 recent searches matching your trip
  • $70
    Chicago, Illinois
    8 days in Sep
    Tue
    21
    Wed
    29
  • $101
    Chicago, Illinois
    5 days in Sep
    Fri
    24
    Wed
    29
  • $67
    Chicago, Illinois
    3 days in Sep
    Wed
    8
    Sat
    11
  • $70
    Chicago, Illinois
    14 days in Sep
    Tue
    14
    Tue
    28
  • $70
    Chicago, Illinois
    14 days in Sep
    Wed
    15
    Wed
    29
  • $125
    Chicago, Illinois
    2 days in Oct
    Fri
    8
    Sun
    10
  • When to Fly
    Prices range from $316 in June to $316 in June
  • Chicago, Illinois
    $67
    Whoa, this is 79% off
  • From:
    Washington D.C. (BWI,DCA,IAD)
        
    To:
    Illinois, United States (11 Airports)    
        
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