Vuelos de Frontier Airlines de Phoenix (PHX) a Denver (DEN) desde $44

For info on any current Denver Intl. Airport (DEN) quarantine requirements and travel advice, go to our Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught out.

At Phoenix Sky Harbor Intl. Airport, Frontier Airlines flights to DEN typically leave from terminal 3. Unsure as to which terminal you’ll be hopping off the plane at? It’ll most likely be the main terminal.

You bet. Save yourself time and trouble and fly straight from PHX to Denver Airport with Frontier Airlines. Avoid lengthy stopovers, reduce the risk of your bags going missing and start your vacation faster — direct flights are preferred by many wise wanderers.

From the minute your Frontier Airlines aircraft is pushed back from the gate at Phoenix Sky Harbor Airport to the moment it pulls into Denver Airport, your plane ride will last roughly 2 hours and 38 minutes. With such a short flight time, it’s a great little spur-of-the-moment getaway.

Booked a seat with Frontier Airlines from PHX to DEN? The Airbus A320neo and the Airbus A321 are the two airplane models that usually operate on this flight path.

When traveling from PHX to DEN, you’ll discover at least 2 Frontier Airlines daily flights to choose from.

For more info about changing your flight to Denver Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.