Washington D.C. to Illinois, United States flights

Springfield, Illinois is typically the cheapest at $284 but deals to Chicago, Illinois are $48 right now.
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Best Deals from WAS to Illinois

Discover the cheapest current deals from 2,437 recent searches matching your trip
  • $48
    Chicago, Illinois
    3 days in Oct
    Fri
    16
    Mon
    19
  • $74
    Chicago, Illinois
    3 days in Jul
    Fri
    24
    Mon
    27
  • $74
    Chicago, Illinois
    3 days in Jul & Aug
    Fri
    31
    Mon
    3
  • $48
    Chicago, Illinois
    5 days in Sep
    Thu
    24
    Tue
    29
  • $48
    Chicago, Illinois
    4 days in Oct
    Thu
    8
    Mon
    12
  • $48
    Chicago, Illinois
    4 days in Oct
    Wed
    14
    Sun
    18
  • When to Fly
    Prices range from $294 in July to $459 in December
  • Chicago, Illinois
    $48
    Whoa, this is 84% off
  • From:
    Washington D.C. (BWI,DCA,IAD)
        
    To:
    Illinois, United States (11 Airports)    
        
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