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 CAD
| Annual Avg. Price | 271 CAD |
| December 2026 | 209 CAD |
| January 2027 | 207 CAD |
| February 2027 | 209 CAD |
| March 2027 | 237 CAD |
| April 2027 | 237 CAD |
| May 2027 | 237 CAD |
| June 2027 | 284 CAD |
| July 2027 | 282 CAD |
| August 2027 | 314 CAD |
| September 2027 | 336 CAD |
| October 2027 | 337 CAD |
| November 2027 | 363 CAD |
Major airports in Illinois
Illinois - popular routes
- Seattle to Chicago from CA$198
- Detroit to Chicago from CA$375
- San Francisco to Chicago from CA$405
- Phoenix to Chicago from CA$229
- Zürich to Chicago from CA$2,318
- Copenhagen to Chicago from CA$1,210
- Guadalajara to Chicago from CA$271
- Las Vegas to Chicago from CA$245
- Paris to Chicago from CA$1,720
- San Diego to Chicago from CA$165
- Vienna to Chicago from CA$2,140
- Toronto to Chicago from CA$209
- Vancouver to Chicago from CA$358
- Montreal to Chicago from CA$282
- Ottawa to Chicago from CA$1,472
- Quebec City to Chicago from CA$493
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