Washington D.C. to Illinois, United States flights

Deals to Chicago, Illinois are as low as $74 right now.
Not ready to book?
Download Hopper to watch.

Best Deals from WAS to Illinois

Discover the cheapest current deals from 536 recent searches matching your trip
  • $74
    Chicago, Illinois
    3 days in Oct
    Fri
    9
    Mon
    12
  • $74
    Chicago, Illinois
    2 days in Oct
    Fri
    23
    Sun
    25
  • $74
    Chicago, Illinois
    5 days in Oct
    Thu
    1
    Tue
    6
  • $74
    Chicago, Illinois
    14 days in Sep
    Wed
    9
    Wed
    23
  • $74
    Chicago, Illinois
    14 days in Sep
    Thu
    10
    Thu
    24
  • $74
    Chicago, Illinois
    14 days in Sep
    Fri
    11
    Fri
    25
  • When to Fly
    Prices range from $93 in September to $316 in June
  • Chicago, Illinois
    $74
    This is a great deal at 32% off
  • Bloomington-Normal, Illinois
    $397
    This is the best available price
  • From:
    Washington D.C. (BWI,DCA,IAD)
        
    To:
    Illinois, United States (11 Airports)    
        
    Apply Changes