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Latest Flight Deals to Illinois

Search for flights to popular cities in Illinois and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)ichook
  • Sort: Departure (Earliest)
      • Cheapest nonstop
        Sat, May 31
        LAX
        ORD
        |
        Los Angeles
        Chicago
        Nonstop|Frontier Airlines
        NZD 111NZD 293
        62% OFF
        62% OFF
        NZD 293NZD 111
      • Wed, Apr 9
        LAX
        MDW
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 77NZD 293
        74% OFF
        74% OFF
        NZD 293NZD 77
      • Tue, May 13
        LAX
        MDW
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 93NZD 293
        68% OFF
        68% OFF
        NZD 293NZD 93
      • Tue, Apr 22
        LAX
        MDW
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 94
        NZD 94
      • Thu, Apr 24
        LAX
        MDW
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 95
        NZD 95
      • Thu, Jun 12
        LAX
        MDW
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 96
        NZD 96
      • Wed, Apr 16
        LAX
        ORD
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 98
        NZD 98
      • Thu, Apr 17
        LAX
        ORD
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 101
        NZD 101
      • Tue, May 6
        LAX
        ORD
        |
        Los Angeles
        Chicago
        1 stop|Frontier Airlines
        NZD 104
        NZD 104
      • Sat, May 31
        LAX Los Angeles
        ORD Chicago
        1 stop|Economy
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly

Check out price trend charts for flights to popular cities in Illinois and discover the best time to book affordable tickets.

  • Chicago
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Top Cities to Visit in Illinois

Check out popular cities in Illinois and find flights to the cities below.

Flight Information to Illinois

Cheapest one-way flight priceNZD 32
Cheapest round-trip ticket priceNZD 69
Off-season for travelMarch
Peak season for travelJune

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