To Denver

Cheap Flights from Phoenix to Denver

Browse current best options from Phoenix. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Phoenix

RatePunk searches hundreds of travel sites at once for deals on flights to Denver

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Phoenix to Denver

Explore current cheapest deals departing from Phoenix to Denver

Round trip

Sort by: Cheapest

September 15 - September 16

Cheapest

Best

PHX - Denver

$109

$69

Round trip

September 1 - September 16

PHX - Denver

$86

$82

Round trip

September 12 - September 15

PHX - Denver

$108

$83

Round trip

September 11 - September 16

PHX - Denver

$107

$83

Round trip

September 15 - September 18

PHX - Denver

$109

$85

Round trip

September 15 - October 7

PHX - Denver

$91

$85

Round trip

September 15 - September 23

PHX - Denver

$102

$85

Round trip

September 15 - September 30

PHX - Denver

$92

$85

Round trip

August 24 - September 16

Earliest

PHX - Denver

$89

$85

Round trip

September 15 - October 2

PHX - Denver

$92

$85

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Phoenix to Denver

Right now, fares for cheap flights from Phoenix to Denver are significantly above the typical level, with 31% of recent fares classified as a good price. Prices for this route typically range from $80–$240, with a median of $114. New deals appear almost daily, offering frequent opportunities to find competitive prices.

When is the cheapest time to fly from Phoenix to Denver? The most affordable month to fly is typically August, with a median fare of just $68. Other cost-effective months include April and May, both showing a median fare of $82. Planning your trip during these months can lead to notable savings.

For direct flights from Phoenix to Denver, almost all itineraries are non-stop, with 71.8% of recent fares being direct. For the remaining itineraries that do include connections, the typical number of stopovers is one.

A typical journey from Phoenix to Denver takes about 3h 52m, including any connections. This median duration provides a good estimate for the total travel time you can expect on this route.

The distance between Phoenix and Denver is 969 kilometers. This classifies the route as a short-haul flight, making it a relatively quick trip between the two cities.

How much is a round trip from Phoenix to Denver

Regular price: $80 - $203

Prices for flights from Phoenix to Denver are currently below the regular range.

The regular price range for flights from Phoenix to Denver is typically between $80 and $203. The current lowest deal is $69 with Frontier Airlines, for travel from Sep 15-Sep 16.

now $69

Low $80

High $203

The cheapest time to fly from Phoenix to Denver

The cheapest month to fly from Phoenix to Denver is August, with a median price of $68. The most expensive month is June, with a median price of $236. Prices are generally lower from January to December.

August

Cheapest

Flights from $68

June

Most Expensive

Flights from $236

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Phoenix to Denver

Frontier Airlines

Last-minute flights going from Phoenix to Denver

Tue, Jun 16

⌛ Last-Minute

PHX - Denver

Phoenix (PHX) - Denver (DEN)

Frontier Airlines

$161

$138

One-way

Tue, Jun 16

⌛ Last-Minute

PHX - Denver

Phoenix (PHX) - Denver (DEN)

Frontier Airlines

$193

$177

One-way

Wed, Jun 17

⌛ Last-Minute

PHX - Denver

Phoenix (PHX) - Denver (DEN)

Frontier Airlines

$161

$138

One-way

Wed, Jun 17

⌛ Last-Minute

PHX - Denver

Phoenix (PHX) - Denver (DEN)

Frontier Airlines

$192

$173

One-way

Thu, Jun 18

⌛ Last-Minute

PHX - Denver

Phoenix (PHX) - Denver (DEN)

Frontier Airlines

$193

$175

One-way

Fri, Jun 19

⌛ Last-Minute

PHX - Denver

Phoenix (PHX) - Denver (DEN)

Frontier Airlines

$193

$168

One-way

Biggest price drops on these dates for flights from Phoenix to Denver

3 nights

Sep 23 - Sep 26

$220 → $125

43%

5 nights

Oct 14 - Oct 19

$222 → $152

31%

3 nights

Dec 5 - Dec 8

$256 → $204

20%

3 nights

Jun 20 - Jun 23

$190 → $145

24%

Popular Airports to fly from Phoenix to Denver

Phoenix - Denver route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Phoenix to Denver are above the typical level, with a median price of $114.

📅 Best time to fly

August is historically the cheapest month to fly

Historically, August is the cheapest month to fly from Phoenix to Denver, with a median price of $68.

⏱️ Flight duration

Direct flights take 3h 52m on average

A direct flight from Phoenix to Denver typically takes 3 hours and 52 minutes.

✈️ Airlines & availability

71.8% of deals are direct flights

71.8% of recent deals for this route are direct, indicating frequent non-stop options.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one of the carriers offering direct flights on the Phoenix to Denver route.

🎯 Booking tip

Deals appear frequently for this route

Deals for flights from Phoenix to Denver appear frequently, with over one deal per day.

Phoenix main airports to depart from

Phoenix Sky Harbor International (PHX)

Cheapest

Phoenix Sky Harbor International Airport is a primary option for flights from Phoenix to Denver.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$69

Phoenix–Mesa Gateway (AZA)

Phoenix–Mesa Gateway Airport offers an alternative for flights from Phoenix to Denver.

📍 ~42 km from city center (reachable by car)

💸 Flights from ~$227

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is ideal for direct access to Denver and surrounding Colorado attractions.

📍 ~30 km from city center (reachable by car, bus, train)

💸 Flights from ~$69

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a reliable alternative to Denver, offering a robust flight schedule and full cabin class availability.

📍 ~110 km from Denver (approximately 1.5 hours drive depending on I-25 traffic)

💸 Flights from ~$74

Eagle County Regional (EGE)

Eagle County Regional (EGE) is a primary alternative for travelers located in the western mountains, with significant hub connectivity.

📍 ~160 km from Denver (reachable by car)

💸 Flights from ~$463

Aspen–Pitkin County (ASE)

Aspen–Pitkin County (ASE) is a popular option with frequent service to major US hubs and a full range of cabin classes.

📍 ~165 km from Denver (reachable by car)

💸 Flights from ~$522

Cheyenne Regional (CYS)

Cheyenne Regional (CYS) is geographically close to northern Denver, offering easy parking and fast security.

📍 ~85 km from Denver (reachable by car)

💸 Flights from ~$274

Yampa Valley (HDN)

Yampa Valley (HDN) serves as a viable gateway for Northwest Colorado, offering business class on select routes.

📍 ~200 km from Denver (reachable by car)

💸 Flights from ~$330

Business & First Class Flight Deals to Denver

Denver, United States

36% AI deal score

$897

From PHX

Elite

Dec 09

Denver, United States

35% AI deal score

$1,237

Frequently Asked Questions About Flights to Denver

Historically, the cheapest flights from Phoenix to Denver are found when booking 0-6 days before departure, with an average price of $111. Flights booked 60+ days out typically average around $145. Booking 7-13 days in advance sees an average price of $247, which is higher than other booking windows. For the best prices, travelers should consider booking within a week of their intended travel date.

Across the trailing quarter, a good price for a flight from Phoenix to Denver is considered to be $80 or less. The median price for this route historically stands at $114. Prices can vary, with 75% of observed prices being $240 or less. Travelers aiming for the most economical options should target prices at or below the $80 threshold.

Historically, August, April, and May have offered the cheapest flights from Phoenix to Denver. In August, the median price was $68, while April and May both saw a median price of $82. The annual median price for this route is $114. Travelers looking for the most budget-friendly options should consider flying during these months.

Related routes

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