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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $33. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Mesa to Denver for a low price.

Weekly flight availability from Mesa to Denver

The most flights from MS9 to DEN are scheduled on a Friday (48 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (22 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 Mesa to Denver?

On average you can expect to pay $568 for a flight from Mesa to Denver. The cheapest flight overall is $72 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $128.

What are the most reliable airlines from Mesa to Denver?

Before booking your flight to Denver from Mesa, check out the most reliable airlines to get you to your destination on time: Lufthansa (84%), SkyWest Airlines (79%), Air Canada( 78%).

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

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

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

If you book a flight to Denver from Mesa, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There are 36 flights from Mesa to Denver Intl per day from 4 different airlines.

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

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

How can I find direct flights from Mesa to Denver?

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

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

Yes. Cheapflights offers flight deals from Mesa 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.

Find Cheap Flights from Mesa to Denver

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1. Tell us where you want to go

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

Find flight deals from Mesa to Denver

Popular in	September
Cheapest in	February
Average price	$190

Highest demand for flights based on searches. 7% potential increase in price ($16 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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

Prices

Airlines

What is the cheapest time of day to fly from MS9 to DEN?

A simple way to save on the total cost of your ticket is to fly from Mesa to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at noon.

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

Travelers seeking maximum savings on their Mesa 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

Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Mesa to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,216 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

7.9

Good

4,216 reviews

Southwest

7.9

Good

4,216 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

10,351 reviews

Southwest

7.9

Good

4,216 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

12,162 reviews

Southwest

7.9

Good

4,216 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

5.5

Fair

2,542 reviews

Southwest

7.9

Good

4,216 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 Mesa?
If you book a flight to Denver from Mesa, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There are 36 flights from Mesa to Denver Intl per day from 4 different airlines.
What are the cheapest airlines to fly from Mesa to Denver one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $33. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Mesa to Denver for a low price.
What are the most reliable airlines from Mesa to Denver?
Before booking your flight to Denver from Mesa, check out the most reliable airlines to get you to your destination on time: Lufthansa (84%), SkyWest Airlines (79%), Air Canada( 78%).
What are the cheapest flights from Mesa to Denver?
On average you can expect to pay $568 for a flight from Mesa to Denver. The cheapest flight overall is $72 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $128.
Can I find deals for flights from Mesa to Denver that include hotel bookings?
Yes. In addition to deals on Mesa to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Mesa to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mesa to Denver.
Can I find deals for business class flights from Mesa to Denver?
Yes. Cheapflights offers flight deals from Mesa 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 Mesa to Denver

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$61	Average$156	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$150	Average$318	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$152	Average$282	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$177	Average$323	FlexibilityNo cancel fee	On-time63%

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Cheap flights from Mesa, AZ to Denver (DEN)

Find cheap flights from Mesa 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 Mesa to Denver

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from MS9 to DEN?

A simple way to save on the total cost of your ticket is to fly from Mesa to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at noon.

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

Travelers seeking maximum savings on their Mesa 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 Mesa to Denver

The most flights from MS9 to DEN are scheduled on a Friday (48 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (22 on average).

Reviews of airlines servicing Denver

Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Mesa to Denver by reading reviews from past customers. Users have also rated airlines 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 Mesa?

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

What are the most reliable airlines from Mesa to Denver?

What are the cheapest flights from Mesa to Denver?

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

How can I find direct flights from Mesa to Denver?

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

Traveling to a place near Denver?

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Alternative routes for Mesa to 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

Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 13, 2026.

Search flights from Mesa to Denver by cabin class

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Mesa and Denver flights

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