Cheap flights to Indiana Dunes National Park from Dulles

Round trips from Dulles from $177. Fly into Chicago (MDW). Cheapest dates, deal ratings and where to book.

• Chicago: $177, 2026-10-31 to 2026-11-01
• Chicago: $266, 2026-11-01 to 2026-11-04
• Chicago: $354, 2026-10-25 to 2026-10-26
• Chicago: $371, 2027-01-01 to 2027-01-04
• Chicago: $489, 2026-11-26 to 2026-11-29

Nearby

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