Cheap flights to Indiana Dunes National Park from Oklahoma City

Round trips from Oklahoma City from $376. Fly into Chicago (MDW). Cheapest dates, deal ratings and where to book.

• Chicago: $376, 2026-12-15 to 2026-12-25
• Chicago: $379, 2026-12-01 to 2027-01-04

Nearby

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