← Back to Deals
Book This Deal
DTW
Detroit
BIL
Billings
Detroit → Billings
Frontier Airlines · Round Trip · Nonstop
$397$407
per person · round trip
Flight Details
Cabin
Economy
Departs
May 23, 2026
Returns
Jun 2, 2026
Price History
Avg: $402
Low: $397
High: $407
Current price is the lowest recorded!
Mar 26Mar 27
Planning your trip to Billings?
Complete your trip with these deals.
Hotels in Billings
Find the best hotel deals for your stay.
Coming soon →Rental Cars in Billings
Get around with affordable rental car deals.
Coming soon →Adventures in Billings
Explore tours, activities, and experiences.
Coming soon →