$51 Cheap Frontier Airlines flights Oklahoma City (OKC) to Denver (DEN)

Landing cheap one-way Frontier Airlines flights from OKC to DEN from $51 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $95 for your next break.**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.

Frontier Airlines flights to Denver tend to be cheaper in the off-peak months of January and November. Whether you’re searching for a one-way or a return ticket, you could find a better deal then.

Search for cheap Frontier Airlines flights from Will Rogers World Airport (OKC) to Denver Intl. Airport (DEN) one to three months before your day of departure. 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. Regardless of fare class and journey, the ideal day 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 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.

Frontier Airlines operates direct flights from Will Rogers World Airport (OKC) to Denver Intl. Airport (DEN), with 4 departures each week. Just choose the “Nonstop” and “Airline” filters while searching on Expedia to see all direct Frontier Airlines flights to DEN.

It takes around 1h 46m to fly nonstop from Will Rogers World Airport (OKC) to Denver Intl. Airport (DEN) with Frontier Airlines.

The earliest flight from OKC to DEN with Frontier Airlines departs at 8:16PM UTC-6. You’ll touch down at 9:02PM UTC-7. The final Frontier Airlines flight of the day takes off at 8:16PM UTC-6 and arrives at 9:02PM UTC-7. With approximately 20% fewer cancellations for morning and mid-morning departures, starting your travel day early is often the wisest option.**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.

Denver Intl. Airport (DEN) is the primary Denver hub for Frontier Airlines flights from Will Rogers World Airport (OKC).

A rewarding loyalty program and the ability to rack up points through Frontier Miles are the start of the reasons to fly from OKC to DEN with Frontier Airlines. Plus, by joining Expedia’s free One Key™ program, you can earn OneKeyCash™* on top of any airline loyalty program earnings. It’s yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely be on an Airbus A321neo or an Airbus A320neo when flying Frontier Airlines from Will Rogers World Airport (OKC) to Denver Intl. Airport (DEN). However, keep in mind that a different aircraft could be assigned to your route depending on operational reasons.

Changes are usually free within 24 hours of booking, but your airline may charge you after that time. For more details about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to make changes without additional costs, check the “No cancel fee” or “Changes included” filter when planning your trip.