Cheap flights to Indiana Dunes National Park from San Antonio

Round trips from San Antonio from $346. Fly into Chicago (MDW). Cheapest dates, deal ratings and where to book.

• Chicago: $346, 2026-12-11 to 2027-01-10
• Chicago: $359, 2026-11-25 to 2026-11-29
• Chicago: $393, 2026-12-12 to 2027-01-10
• Chicago: $441, 2026-11-26 to 2026-11-29

Nearby

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