Track DEN to LAS flight prices after booking. Get alerts when fares drop so you can rebook and save.
Southwest and Frontier compete intensely from their shared Denver hub on this popular weekend route. Budget fares are plentiful but change often, rewarding passengers who set price alerts immediately after booking.
Book your Denver to Las Vegas flight as usual on any airline.
Forward your confirmation email to track@slipfare.com, or add your flight manually in the Slipfare dashboard.
Slipfare checks the price automatically, multiple times per day. You'll get an alert if the fare drops below what you paid.
When you get a price drop alert, log in to your airline account, cancel or change your booking, and rebook at the lower fare. The savings are yours to keep as a travel credit or refund.
Southwest Airlines has the most generous rebooking policy — no change fees ever. Learn how to rebook when prices drop and get travel funds back instantly.
Yes, airlines frequently lower prices after you book. Learn how revenue management, fare buckets, and demand-based pricing cause airfare to fluctuate — and what you can do about it.
Forward your booking confirmation to track@slipfare.com and Slipfare will watch the price for you.
Get Started Free →