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Find the best flight to Illinois

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Great deals to Chicago
We’ve searched 100s of deals recently found by travellers.*
Washington DC, DC (WAS) Chicago, IL (CHI)
Fri, 07/12 - Mon, 10/12
Spirit Airlines - Nonstop, Roundtrip, Economy
US$310
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Washington DC, DC (WAS) Chicago, IL (CHI)
Mon, 05/11 - Mon, 19/11
Spirit Airlines - Nonstop, Roundtrip, Economy
US$389
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Washington DC, DC (WAS) Chicago, IL (CHI)
Thu, 08/11 - Sun, 11/11
Spirit Airlines - Nonstop, Roundtrip, Economy
US$389
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Washington DC, DC (WAS) Chicago, IL (CHI)
Sat, 03/11 - Sun, 04/11
Spirit Airlines - Nonstop, Roundtrip, Economy
US$441
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Washington DC, DC (WAS) Chicago, IL (CHI)
Tue, 01/01 - Tue, 08/01
Spirit Airlines - Nonstop, Roundtrip, Economy
US$448
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Washington DC, DC (WAS) Chicago, IL (CHI)
Fri, 02/11 - Sun, 04/11
Spirit Airlines - Nonstop, Roundtrip, Economy
US$572
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Washington DC, DC (WAS) Chicago, IL (CHI)
Fri, 26/10 - Sat, 27/10
Spirit Airlines - 1 Stop, Roundtrip, Economy
US$744
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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 travellers 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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