Cheap flights to Indiana Dunes National Park from Ontario

Round trips from Ontario from $153. Fly into Chicago (MDW). Cheapest dates, deal ratings and where to book.

• Chicago: $153, 2026-10-15 to 2026-10-19
• Chicago: $164, 2027-01-15 to 2027-01-22
• Chicago: $169, 2026-11-10 to 2026-11-18
• Chicago: $183, 2027-02-01 to 2027-02-08
• Chicago: $202, 2026-10-20 to 2026-10-27
• Chicago: $202, 2026-11-12 to 2026-11-16
• Chicago: $208, 2026-11-12 to 2026-11-13
• Chicago: $220, 2026-11-11 to 2026-11-15

Nearby

• Gateway Arch
• Cuyahoga Valley
• Mammoth Cave
• New River Gorge
• Great Smoky Mountains
• Isle Royale
• Shenandoah
• Voyageurs