How long is the flight to Denver with Allegiant Air?

The average Allegiant Air flight time from United States to Denver is 3 hours and 59 minutes.

Which other airlines can I fly to Denver with?

At the moment, Southwest Airlines, United, SkyWest Airlines, Air Canada and Frontier Airlines all fly to Denver too.

Is there anywhere else I could fly to with Allegiant Air?

Allegiant Air currently also flies to Orlando Sanford, St. Pete–Clearwater International and Las Vegas Harry Reid International.

What's the cheapest month to fly to Denver with Allegiant Air?

Although it's difficult to get an accurate idea of when Allegiant Air flights to Denver are cheapest, the lowest fares are currently for departures in August .

$38 Allegiant Air Flights to Denver

The best Allegiant Air flight deals to Denver

Looking for a last-minute deal or the best direct flight? Find the biggest savings on one-way and round-trip flights to Denver with Allegiant Air.

Denver.$38 per passenger.Departing Mon, Aug 26.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Greater Peoria on Mon, Aug 26, arriving in Denver International.Price includes taxes and charges.From $38, select.

Denver.$47 per passenger.Departing Mon, Jul 29.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Cincinnati Northern Kentucky on Mon, Jul 29, arriving in Denver International.Price includes taxes and charges.From $47, select.

Denver.$48 per passenger.Departing Mon, Sep 16.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Greater Peoria on Mon, Sep 16, arriving in Denver International.Price includes taxes and charges.From $48, select.

Denver.$54 per passenger.Departing Sun, Jun 16.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Appleton on Sun, Jun 16, arriving in Denver International.Price includes taxes and charges.From $54, select.

Denver.$59 per passenger.Departing Sun, Oct 13.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Appleton on Sun, Oct 13, arriving in Denver International.Price includes taxes and charges.From $59, select.

Denver.$73 per passenger.Departing Fri, Nov 8.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Greater Peoria on Fri, Nov 8, arriving in Denver International.Price includes taxes and charges.From $73, select.

Denver.$88 per passenger.Departing Fri, May 31.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Asheville on Fri, May 31, arriving in Denver International.Price includes taxes and charges.From $88, select.

Find the cheapest time to fly to Denver with Allegiant Air

Flexible on travel dates? Here's when plane tickets are cheapest.

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Find which Denver airports Allegiant Air flies to

We were able to find fares for the following Denver airports. Find the one that works for you.

Flying to Denver with Allegiant Air

The things to know before you go.

Cheapest flight found	$38
Cheapest month to fly	August

How to find cheap flights to Denver with Allegiant Air

Looking for cheap plane tickets to Denver? Here are a few tips on how to find the best price.

Simply hit "search"

We've compared every online travel agent and flight provider out there to find the cheapest Allegiant Air plane tickets to Denver. And with us, there are no added fees – what you see is what you pay.

Fly from Peoria

At the moment, the best route to Denver with Allegiant Air is from Peoria to Denver.

Fly in August

The cheapest time to go to Denver with Allegiant Air is currently August.

Flex your dates for the best rates

If you're flexible on your departure dates, use Skyscanner's whole month tool to find the cheapest month, and even day, to get flights to Denver with Allegiant Air.

Set up a Price Alert

We'll let you know when the price of your flight to Denver goes up or down so you can book when the time is just right. You're even able to watch specific Allegiant Air flights.

Book your Allegiant Air flight to Denver with extra peace of mind

Find flexible Allegiant Air flights to Denver

Allegiant Air might offer amendable tickets to Denver, which means you won't lose out if your booking has to be changed or canceled.

Add travel cost protection

Make sure you have the right travel insurance before flying to Denver. That way you can cover the costs of any unexpected events, such as delays or lost luggage.

Reduce your carbon footprint

To check whether there are any lower-emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box when you search for a flight with us.

Flying to Denver with Allegiant Air: FAQs

: The average Allegiant Air flight time from United States to Denver is 3 hours and 59 minutes.
: At the moment, Southwest Airlines, United, SkyWest Airlines, Air Canada and Frontier Airlines all fly to Denver too.
: Allegiant Air currently also flies to Orlando Sanford, St. Pete–Clearwater International and Las Vegas Harry Reid International.
: Although it's difficult to get an accurate idea of when Allegiant Air flights to Denver are cheapest, the lowest fares are currently for departures in August.