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 2,893 recent searches matching your trip
  • $97
    Chicago, Illinois
    3 days in Feb
    Sat
    15
    Tue
    18
  • $87
    Chicago, Illinois
    6 days in Dec
    Thu
    12
    Wed
    18
  • $129
    Chicago, Illinois
    2 days in Dec
    Sat
    7
    Mon
    9
  • $114
    Chicago, Illinois
    5 days in Nov
    Sat
    16
    Thu
    21
  • $114
    Chicago, Illinois
    5 days in Dec
    Fri
    13
    Wed
    18
  • $101
    Chicago, Illinois
    6 days in Nov
    Thu
    14
    Wed
    20
  • When to Fly
    Prices range from $134 in February to $399 in September
  • Chicago, Illinois
    $87
    Nice! This is 48% off
  • Champaign/Urbana, Illinois
    $351
    This is a good deal at 12% off
  • Decatur, Illinois
    $1,485
    This is the best available price
  • Moline, Illinois
    $318
    This is the best available price
  • Peoria, Illinois
    $403
    This is the best available price
  • Springfield, Illinois
    $435
    This is the best available price
  • From:
    Washington D.C. (BWI,DCA,IAD)
        
    To:
    Illinois, United States (11 Airports)    
        
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