$88 Cheap Frontier Airlines flights Salt Lake City (SLC) to Denver (DEN)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Frontier Airlines return flights from $85 from SLC to DEN. Affordable one-way fares from $88 are also on offer.**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 are typically more affordable in the off-peak months of January and November. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Start searching one to three months before your departure to score cheap fares on Frontier Airlines flights from Salt Lake City Intl. Airport (SLC) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic trips.*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 Salt Lake City Intl. Airport (SLC) to Denver Intl. Airport (DEN), with 15 departures each week. Just apply the “Nonstop” and “Airline” filters during your search on Expedia to see all direct Frontier Airlines flights to DEN.

Leave Salt Lake City Intl. Airport (SLC) for Denver Intl. Airport (DEN) on a nonstop Frontier Airlines flight, and you’ll be airborne for about 1h 42m.

Frontier Airlines has the most flights from Salt Lake City Intl. Airport (SLC) to Denver Intl. Airport (DEN) on Sunday. With up to 3 daily departures, you’ll get the most flexibility and choice on this day.

The earliest Frontier Airlines flight from SLC to DEN departs at 6:15AM UTC-7, touching down at 8:01AM UTC-7. If you want to head off later, the last Frontier Airlines flight leaves SLC at 6:59PM UTC-7 and touches down at DEN at 8:35PM UTC-7. Flying before noon is often a smart choice as morning and mid-morning flights are 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.

Denver Intl. Airport (DEN) is the primary Denver gateway for Frontier Airlines flights from Salt Lake City Intl. Airport (SLC).

Depart from SLC to DEN with Frontier Airlines and look forward to a range of perks starting with a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you can also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Salt Lake City Intl. Airport (SLC) to Denver Intl. Airport (DEN) route, Frontier Airlines typically flies Airbus A321neo and Airbus A320neo planes. Remember that last-minute changes can occur for operational reasons, meaning your flight could be on a different aircraft.

It’s generally possible to cancel or change your flight, although there may be additional fees if you made your booking over 24 hours ago. Need flexible options? Use Expedia’s “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you need to adjust your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.