Cheap flights to Illinois, United States

Cheap flights to Illinois, United States

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Popular cities in Illinois

Flights to Chicago
Flights to Peoria
Flights to Springfield
Flights to Moline
Flights to Belleville
Flights to Bloomington

Cheapest month to fly to Illinois

Explore price trends for trips to Illinois

Showing prices in CAD

Annual Avg. Price305 CAD
October 2026252 CAD
November 2026252 CAD
December 2026265 CAD
January 2027341 CAD
February 2027281 CAD
March 2027333 CAD
April 2027338 CAD
May 2027309 CAD
June 2027315 CAD
July 2027333 CAD
August 2027341 CAD
September 2027297 CAD

Major airports in Illinois

Illinois - popular routes

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