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Find the best flight to Illinois

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Great deals to Illinois

We’ve searched 100s of deals recently found by travelers.*
Washington DC, DC (WAS) Chicago, IL (CHI)
Fri, 12/28 - Sat, 1/5
United Airlines - Nonstop, Roundtrip, Economy
$100
Washington DC, DC (WAS) Chicago, IL (CHI)
Mon, 2/4 - Tue, 2/12
American Airlines - Nonstop, Roundtrip, Economy
$100
Washington DC, DC (WAS) Chicago, IL (CHI)
Mon, 1/28 - Thu, 1/31
United Airlines - Nonstop, Roundtrip, Economy
$100
Washington DC, DC (WAS) Chicago, IL (CHI)
Sat, 4/20 - Sun, 4/21
United Airlines - Nonstop, Roundtrip, Economy
$100
Washington DC, DC (WAS) Chicago, IL (CHI)
Tue, 3/12 - Tue, 3/19
American Airlines - Nonstop, Roundtrip, Economy
$101
Washington DC, DC (WAS) Chicago, IL (CHI)
Wed, 1/16 - Tue, 2/5
Spirit Airlines - Roundtrip, Economy
$103
Washington DC, DC (WAS) Chicago, IL (CHI)
Sat, 1/19 - Sat, 1/26
Spirit Airlines - Roundtrip, Economy
$103
Washington DC, DC (WAS) Chicago, IL (CHI)
Tue, 1/22 - Sat, 2/2
Spirit Airlines - Roundtrip, Economy
$103
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*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travelers who searched TripAdvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.

Flight stats for Illinois - did you know?

  • There are 46 airports in Illinois and the 5 biggest are
  • O'Hare Intl Airport (Chicago, IL)
    • Right now, 77 airlines operate out of O'Hare Intl Airport.
    • O'Hare Intl Airport offers nonstop flights to 225 cities.
    • Every week, at least 12,980 domestic flights and 1,538 international flights depart from O'Hare Intl Airport.
  • Midway Airport (Chicago, IL)
    • Right now, 10 airlines operate out of Midway Airport.
    • Midway Airport offers nonstop flights to 74 cities.
    • Every week, at least 1,230 domestic flights and 60 international flights depart from Midway Airport.
  • Quad-City Airport (Moline, IL)
    • Right now, 14 airlines operate out of Quad-City Airport.
    • Quad-City Airport offers nonstop flights to 11 cities.
    • Every week, at least 193 domestic flights depart from Quad-City Airport.
  • Greater Peoria Airport (Peoria, IL)
    • Right now, 12 airlines operate out of Greater Peoria Airport.
    • Greater Peoria Airport offers nonstop flights to 12 cities.
    • Every week, at least 168 domestic flights depart from Greater Peoria Airport.
  • Bloomington-Normal Airport (Bloomington, IL)
    • Right now, 10 airlines operate out of Bloomington-Normal Airport.
    • Bloomington-Normal Airport offers nonstop flights to 6 cities.
    • Every week, at least 105 domestic flights depart from Bloomington-Normal Airport.
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