What are the cheapest airlines to fly from Tempe to Denver one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $33. American Airlines flights start at $78 while deals on United Airlines start at $78 one-way.

Weekly flight availability from Tempe to Denver

The most flights from TM9 to DEN are scheduled on a Monday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the cheapest flights from Tempe to Denver?

The cheapest flight price from Tempe to Denver is $84. On average you can expect to pay $1,041. The most popular route, (Phoenix Sky Harbor Intl - Denver Intl), can usually be booked for $116.

What are the most reliable airlines from Tempe to Denver?

Before booking your flight to Denver from Tempe, check out the most reliable airlines to get you to your destination on time: Lufthansa (79%), SWISS (75%), Frontier( 74%).

What are the most popular airlines that fly from Tempe to Denver?

Frontier, Southwest and United Airlines are the most popular airlines when flying from Tempe to Denver.

What airport do you fly into for flights to Denver from Tempe?

Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Tempe. Booking flights from Tempe to Denver Intl (DEN) should be relatively easy as there are 17 daily inbound flights from Tempe from 4 different airlines.

Can I find deals for flights from Tempe to Denver that include hotel bookings?

Yes. In addition to deals on Tempe to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Tempe to Denver?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tempe to Denver.

Can I find deals for business class flights from Tempe to Denver?

Yes. Cheapflights offers flight deals from Tempe to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Tempe to Denver Intl are usually found in February or October, booked 69 days in advance, depart on a Saturday or Thursday and return on a Saturday

Find flight deals from Tempe to Denver

Popular in	July
Cheapest in	February
Average price	$229

Highest demand for flights based on searches. 15% potential increase in price ($36 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Everything you need to know about your flight from Tempe to Denver

Prices

Airlines

What is the cheapest time of day to fly from TM9 to DEN?

A simple way to save on the total cost of your ticket is to fly from Tempe to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Tempe to Denver?

Travelers seeking maximum savings on their Tempe to Denver flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Denver

Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Tempe to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,196 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

10,228 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.0

Good

12,079 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.6

Fair

2,583 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airport do you fly into for flights to Denver from Tempe?
Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Tempe. Booking flights from Tempe to Denver Intl (DEN) should be relatively easy as there are 17 daily inbound flights from Tempe from 4 different airlines.
What are the cheapest airlines to fly from Tempe to Denver one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $33. American Airlines flights start at $78 while deals on United Airlines start at $78 one-way.
What are the most reliable airlines from Tempe to Denver?
Before booking your flight to Denver from Tempe, check out the most reliable airlines to get you to your destination on time: Lufthansa (79%), SWISS (75%), Frontier( 74%).
What are the cheapest flights from Tempe to Denver?
The cheapest flight price from Tempe to Denver is $84. On average you can expect to pay $1,041. The most popular route, (Phoenix Sky Harbor Intl - Denver Intl), can usually be booked for $116.
Can I find deals for flights from Tempe to Denver that include hotel bookings?
Yes. In addition to deals on Tempe to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Tempe to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tempe to Denver.
Can I find deals for business class flights from Tempe to Denver?
Yes. Cheapflights offers flight deals from Tempe to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 4 airlines flying from Tempe to Denver

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$62	Average$177	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$149	Average$323	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$149	Average$273	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$176	Average$317	FlexibilityNo cancel fee	On-time63%

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Cheap flights from Tempe, AZ to Denver (DEN)

Find cheap flights from Tempe to Denver with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Tempe to Denver

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from TM9 to DEN?

A simple way to save on the total cost of your ticket is to fly from Tempe to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Tempe to Denver?

Travelers seeking maximum savings on their Tempe to Denver flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Tempe to Denver

The most flights from TM9 to DEN are scheduled on a Monday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Denver

Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Tempe to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Denver from Tempe?

What are the cheapest airlines to fly from Tempe to Denver one-way?

What are the most reliable airlines from Tempe to Denver?

What are the cheapest flights from Tempe to Denver?

Can I find deals for flights from Tempe to Denver that include hotel bookings?

How can I find direct flights from Tempe to Denver?

Can I find deals for business class flights from Tempe to Denver?

Traveling to a place near Denver?

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Complete your trip

Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Denver

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Tempe and Denver flights

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