Washington D.C. to Illinois, United States flights

Deals to Chicago, Illinois are as low as $87 right now.
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Best Deals from WAS to Illinois

Discover the cheapest current deals from 1,101 recent searches matching your trip
  • $105
    Chicago, Illinois
    2 days in Jun
    Sat
    1
    Mon
    3
  • $105
    Chicago, Illinois
    2 days in May
    Sat
    4
    Mon
    6
  • $105
    Chicago, Illinois
    2 days in May
    Sat
    11
    Mon
    13
  • $105
    Chicago, Illinois
    2 days in May
    Sat
    18
    Mon
    20
  • $115
    Chicago, Illinois
    3 days in Mar
    Fri
    8
    Mon
    11
  • $87
    Chicago, Illinois
    8 days in Feb & Mar
    Tue
    26
    Wed
    6
  • When to Fly
    Prices range from $142 in March to $338 in December
  • Chicago, Illinois
    $87
    Whoa, this is 52% off
  • Moline, Illinois
    $12,316
    This is the best available price
  • From:
    Washington D.C. (BWI,DCA,IAD)
        
    To:
    Illinois, United States (11 Airports)    
        
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