Cheap flights to Illinois from Hartford

Round trips from Hartford from $315. Cheapest dates, deal ratings and where to book.

• Chicago: $315, 2026-10-29 to 2026-11-05
• Marion: $671, 2026-10-16 to 2026-10-18

Nearby

• Indiana
• Missouri
• Kentucky
• Iowa
• Tennessee
• Wisconsin
• Ohio
• Michigan