$89 Cheap Frontier Airlines flights Des Moines (DSM) to Denver (DEN)

Landing cheap one-way Frontier Airlines flights from DSM to DEN from $89 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $159 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to fly to Denver with Frontier Airlines. You could also find great deals on return and one-way fares in November.

Search for affordable Frontier Airlines flights from Des Moines Intl. Airport (DSM) to Denver Intl. Airport (DEN) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use our “Nonstop” filter when browsing for direct Frontier Airlines flights from DSM to DEN. You can also compare other carriers servicing the same nonstop journey.

Browse Frontier Airlines’s earliest flights from DSM to DEN by using the “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on a Frontier Airlines flight from Des Moines Intl. Airport (DSM) to Denver, and you’ll probably arrive at Denver Intl. Airport (DEN). This is the airline’s primary hub here.

With a rewarding loyalty program, Frontier Airlines is a top pick for many travelers heading from DSM to DEN. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the ticket type you purchased, a fee is typically charged if you modify or cancel your flight more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you search for flights. For more details on changing or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”