Washington D.C. to Illinois, United States flights

Deals to Chicago, Illinois are as low as $100 right now.
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Best Deals from WAS to Illinois

Discover the cheapest current deals from 1,300 recent searches matching your trip
  • $100
    Chicago, Illinois
    2 days in Jun
    Fri
    21
    Sun
    23
  • $101
    Chicago, Illinois
    3 days in Feb
    Sat
    2
    Tue
    5
  • $100
    Chicago, Illinois
    5 days in Dec & Jan
    Thu
    27
    Tue
    1
  • $100
    Chicago, Illinois
    4 days in Jan
    Wed
    16
    Sun
    20
  • $102
    Chicago, Illinois
    4 days in Mar
    Sat
    23
    Wed
    27
  • $100
    Chicago, Illinois
    9 days in Jan
    Tue
    15
    Thu
    24
  • When to Fly
    Prices range from $134 in February to $344 in October
  • Chicago, Illinois
    $100
    Whoa, this is 58% off
  • Champaign/Urbana, Illinois
    $355
    This is the best available price
  • Decatur, Illinois
    $706
    This is the best available price
  • Bloomington-Normal, Illinois
    $255
    This is a great deal at 31% off
  • Moline, Illinois
    $344
    This is a good deal at 10% off
  • From:
    Washington D.C. (BWI,DCA,IAD)
        
    To:
    Illinois, United States (11 Airports)    
        
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