Cheap flights to Illinois, United States
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Cheapest month to fly to Illinois
Explore price trends for trips to Illinois
Showing prices in USD
| Annual Avg. Price | 202 USD |
| June 2026 | 102 USD |
| July 2026 | 34 USD |
| August 2026 | 125 USD |
| September 2026 | 38 USD |
| October 2026 | 38 USD |
| November 2026 | 125 USD |
| December 2026 | 302 USD |
| January 2027 | 244 USD |
| February 2027 | 184 USD |
| March 2027 | 184 USD |
| April 2027 | 101 USD |
| May 2027 | 951 USD |
Major airports in Illinois
Illinois - popular routes
- Mexico City to Chicago from $208
- New York to Chicago from $102
- Guadalajara to Chicago from $195
- Dallas to Chicago from $133
- Houston to Chicago from $116
- Atlanta to Chicago from $38
- Los Angeles to Chicago from $137
- Morelia to Chicago from $281
- Orlando to Chicago from $66
- Philadelphia to Chicago from $99
- León to Chicago from $293
- Tampa to Chicago from $98
- San Francisco to Chicago from $125
- Miami to Chicago from $199
- Denver to Chicago from $32
- Phoenix to Chicago from $131
- Seattle to Chicago from $184
- Monterrey to Chicago from $281
- Las Vegas to Chicago from $132
- Washington, D.C. to Chicago from $96
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