Cheap flights to Indiana Dunes National Park from Ottawa

Round trips from Ottawa from $304. Fly into Chicago (MDW). Cheapest dates, deal ratings and where to book.

• Chicago: $304, 2026-11-25 to 2026-11-29

Nearby

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