Cheap flights to Montana from Ontario

Round trips from Ontario from $243. Cheapest dates, deal ratings and where to book.

• Bozeman: $243, 2026-10-20 to 2026-10-24
• Billings: $369, 2026-10-22 to 2026-10-25

Nearby

• Wyoming
• Idaho
• North Dakota
• South Dakota
• Washington
• Utah
• Oregon
• Colorado