Cheap Flights from Denver to Phoenix Sky Harbor from $105

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Flight deals from Denver to Phoenix Sky Harbor Airport

Looking for a cheap last-minute deal or the best return flight from Denver to Phoenix Sky Harbor Airport? If you want to travel next month, return fares start from $113. Find the lowest prices on one-way and return tickets right here.

Phoenix.$105 per passenger.Departing Wed, 29 Apr, returning Wed, 6 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 29 Apr, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 6 May, arriving in Denver International.Price includes taxes and charges.From $105, select.

Phoenix.$113 per passenger.Departing Sat, 18 Apr, returning Tue, 21 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 18 Apr, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 21 Apr, arriving in Denver International.Price includes taxes and charges.From $113, select.

Phoenix.$113 per passenger.Departing Sat, 2 May, returning Tue, 5 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 2 May, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 5 May, arriving in Denver International.Price includes taxes and charges.From $113, select.

Phoenix.$247 per passenger.Departing Tue, 31 Mar, returning Fri, 1 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 31 Mar, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Fri, 1 May, arriving in Denver International.Price includes taxes and charges.From $247, select.

Phoenix.$255 per passenger.Departing Tue, 31 Mar, returning Thu, 2 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 31 Mar, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu, 2 Apr, arriving in Denver International.Price includes taxes and charges.From $255, select.

Phoenix.$261 per passenger.Departing Thu, 2 Jul, returning Tue, 7 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 2 Jul, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 7 Jul, arriving in Denver International.Price includes taxes and charges.From $261, select.

Phoenix.$262 per passenger.Departing Sat, 30 May, returning Wed, 3 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 30 May, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 3 Jun, arriving in Denver International.Price includes taxes and charges.From $262, select.

Phoenix.$279 per passenger.Departing Mon, 30 Mar, returning Thu, 2 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Mon, 30 Mar, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 2 Apr, arriving in Denver International.Price includes taxes and charges.From $279, select.

Phoenix.$280 per passenger.Departing Wed, 17 Jun, returning Sun, 21 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 17 Jun, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 21 Jun, arriving in Denver International.Price includes taxes and charges.From $280, select.

Phoenix.$357 per passenger.Departing Thu, 26 Mar, returning Tue, 31 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 26 Mar, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 31 Mar, arriving in Denver International.Price includes taxes and charges.From $357, select.

Phoenix.$373 per passenger.Departing Fri, 27 Mar, returning Mon, 30 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 27 Mar, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 30 Mar, arriving in Denver International.Price includes taxes and charges.From $373, select.

Phoenix.$451 per passenger.Departing Tue, 17 Mar, returning Tue, 16 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 17 Mar, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 16 Jun, arriving in Denver International.Price includes taxes and charges.From $451, select.

Phoenix.$492 per passenger.Departing Tue, 31 Mar, returning Fri, 1 May.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 31 Mar, arriving in Phoenix Sky Harbor.Inbound direct flight with United departs from Phoenix Sky Harbor on Fri, 1 May, arriving in Denver International.Price includes taxes and charges.From $492, select.

Phoenix.$498 per passenger.Departing Mon, 3 Aug, returning Fri, 7 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Denver International on Mon, 3 Aug, arriving in Phoenix Sky Harbor.Inbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Fri, 7 Aug, arriving in Denver International.Price includes taxes and charges.From $498, select.

Phoenix.$499 per passenger.Departing Thu, 30 Jul, returning Sat, 1 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Denver International on Thu, 30 Jul, arriving in Phoenix Sky Harbor.Inbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat, 1 Aug, arriving in Denver International.Price includes taxes and charges.From $499, select.

Phoenix.$513 per passenger.Departing Thu, 1 Oct, returning Sun, 4 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Denver International on Thu, 1 Oct, arriving in Phoenix Sky Harbor.Inbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sun, 4 Oct, arriving in Denver International.Price includes taxes and charges.From $513, select.

Find the cheapest month to fly from Denver to Phoenix Sky Harbor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Phoenix Sky Harbor flights are currently cheapest in April.

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Direct flights from Denver to Phoenix Sky Harbor

Denver to Phoenix Sky Harbor: Alternative routes

Compare routes from Denver to Phoenix below. You may find an airport to fly into that's cheaper, faster, or easier than Phoenix Sky Harbor.

Denver to Phoenix: Flight information

The things to know before you go.

Cheapest flight found	$105
Cheapest month to fly	April
Average flight time	2 hrs, 2 mins
Most popular airline	Southwest Airlines
Average flights per week	311

Check out these Phoenix hotels

Ready to plan your stay? Other travellers rate these Phoenix hotels for cleanliness, service and location.

The Global Ambassador

10.61 km from city centre

$2,064

Per night

Home2 Suites By Hilton Phoenix North Happy Valley

29.28 km from city centre

$363

Per night

Drury Inn & Suites Phoenix Happy Valley

28.15 km from city centre

$509

Per night

The Global Ambassador

10.61 km from city centre

$2,064

Per night

Home2 Suites By Hilton Phoenix North Happy Valley

29.28 km from city centre

$363

Per night

Drury Inn & Suites Phoenix Happy Valley

28.15 km from city centre

$509

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Finding cheap flights from Denver to Phoenix Sky Harbor: Frequently asked questions

How much are return flights from Denver to Phoenix Sky Harbor?

The best price we found for a return flight from Denver to Phoenix Sky Harbor is $105. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Denver to Phoenix Sky Harbor?

2 hours and 2 minutes is the average flight time from Denver to Phoenix Sky Harbor.

Which airlines fly direct from Denver to Phoenix Sky Harbor?

Southwest Airlines, American Airlines and Alaska Airlines fly direct from Denver to Phoenix Sky Harbor.

How many flights are there a week from Denver to Phoenix Sky Harbor?

As of March 2026, there are 311 flights per week flying from Denver to Phoenix Sky Harbor.

When is the cheapest time to fly from Denver to Phoenix Sky Harbor?

The cheapest month to fly from Denver to Phoenix Sky Harbor is usually April.

Which upcoming date is cheapest to fly from Denver to Phoenix Sky Harbor Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Phoenix Sky Harbor Airport on Wednesday, 29 April 2026.

Can I get a direct flight from Denver to Phoenix Sky Harbor Airport?

Yes – the average flight time is 2 hours and 2 minutes.

How can I find the best flight deal to Phoenix Sky Harbor?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix Sky Harbor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Phoenix?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Denver to Phoenix Sky Harbor with?

The cheapest airline that flies to Phoenix Sky Harbor is Frontier Airlines .

Travelling from Denver to Phoenix Sky Harbour International Airport (PHX): What you need to know

Denver's main airport is Denver International Airport (DEN). Check out your options for departing from here when searching for your flights from Denver to Phoenix Sky Harbour International Airport (PHX).
Take off on a direct Denver to Phoenix Sky Harbour International Airport flight and you'll be in the air for around 2 hours.
The timezone in Phoenix is UTC-7, which is one hour behind Denver. Phoenix Sky Harbour International Airport is located in Phoenix.
With 132 direct flights a week between the two airports, Denver International Airport (DEN) to Phoenix Sky Harbour International Airport (PHX) is the busiest route. Southwest Airlines operates the earliest flight at 5:20am. If you'd like to get more out of your day before leaving, the last flight from DEN to PHX is with Frontier Airlines at 10:59pm.
Give yourself enough time to get on your flight from Denver to PHX. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.
During high season, allow for longer wait times and get there earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international trips.

Airports in Denver

Denver International Airport (DEN)

Enjoy an uninterrupted journey from Denver International Airport (DEN). Direct flights from Denver to Phoenix Sky Harbour International Airport (PHX) can be booked from here.
At DEN, you'll find a good selection of airlines that offer direct flights from Denver to Phoenix Sky Harbour International Airport, including:
The majority of passengers prefer to fly with United Airlines between DEN and PHX.
With a dependable 87.44% of services arriving as planned, American Airlines leads the way in punctuality on this route.
Travelling from central Denver to DEN takes around 1 hour 30 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.
Looking for a convenient place to stay before your flight from Denver to Phoenix Sky Harbour International Airport? Consider Baymont by Wyndham Denver International Airport. Get some shut-eye here before heading to Denver International Airport.
Denver International Airport scores top marks for its on-time performance. 80.23% of flights that take off from DEN arrive at their destination on time.
DEN's address is 8500 Pena Boulevard.

About Phoenix Sky Harbour International Airport (PHX)

Consider staying in a hotel near PHX if you're catching a late flight from Denver to Phoenix Sky Harbour International Airport. Pick one of these accommodation options and call it a night faster:
Say yes to new adventures by picking up a Phoenix Sky Harbour International Airport rental car. Grab your wheels from Europcar, Dollar or Thrifty and explore beyond Phoenix's usual tourist stops.
To get the lowest price, reserve your ride around one week ahead of your Denver to Phoenix Sky Harbour International Airport flight.
The street address for PHX is 3400 Sky Harbour Boulevard.

Getting from Phoenix Sky Harbour International Airport (PHX) to central Phoenix

The centre of Phoenix is around 6 kilometres from Phoenix Sky Harbour International Airport. Journey times by cab or car hire will vary based on time of day and traffic conditions, so do some research ahead of time.
If you're using public transport, expect a journey time of about 35 minutes.

How to find the cheapest flights from Denver to Phoenix Sky Harbour International Airport (PHX)

Currently, $56 is the best price we've found for a one-way ticket from Denver to Phoenix Sky Harbour International Airport. The cheapest price for a return flight is $105. Keep in mind fares can change due to demand at the time of booking.
Book one month before your departure date. Pricing trends show that this is the ideal window for finding cheap flights from Denver to PHX.
Organise your trip for June. That's the best month for landing cheap Denver to Phoenix Sky Harbour International Airport tickets. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across each month.
Locking in a cheap flight ticket from Denver to PHX is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as prices go down.
Nail down a great price on a flight from Denver to Phoenix Sky Harbour International Airport with the help of the filters. Pick your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Denver to Phoenix Sky Harbour International Airport (PHX)

May is the quietest month for flights from Denver to Phoenix Sky Harbour International Airport (PHX), while July is the most popular. Figure out the ideal time to visit Phoenix based on whether you like a laid-back vibe or a lively atmosphere.
Book a Denver to PHX flight ticket departing in July if you're eager to explore the city during its warmest month. You can expect temperatures in Phoenix to range from 26ºC to 44ºC.
January sees temperatures of between 4ºC and 20ºC. Search for cheap tickets from Denver to Phoenix Sky Harbour International Airport around that time if you like cooler conditions.

More about Phoenix

After booking your flight from Denver to Phoenix Sky Harbour International Airport, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Phoenix:
There are so many things to do and see in this city, it can be tricky to know where to begin. Camelback Mountain, Cholla Trailhead Camelback Mountain and Yayoi Kusama Fireflies Infinity Mirror Room are popular attractions which should feature on every Phoenix itinerary.

Explore more of the United States

Phoenix is always a good idea, but there are so many other corners of the United States waiting to be explored. Around 161 kilometres south-east of Phoenix, a visit to Tucson will keep you on the go. Start with leading sights like Saguaro National Park East Unit, Airplane Boneyard and National Parks Conservation.
Around 257 kilometres west of Phoenix, Yuma is another favourite stop in the United States. Experience major highlights starting with Old Victorian Yuma, Yuma Crossing National Heritage Area and Downtown Yuma.