What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How often are flights from the United States to Denver delayed?

About 17% of weekly flights between United States and Denver have experienced delays in the past year, with the average delay time being 143 minutes.

Which airline has the best punctuality record on the United States to Denver flights?

Over the last year, Air Canada have had the lowest number of delays on this route, with just 8% of flights being delayed.

What is the most punctual flight time for the United States to Denver flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

How popular is this USA to Denver flight route?

The United States to Denver Intl flight path was viewed by 456 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from USA to Denver?

For as low as $137, Frontier can have you in Denver from USA in 2h 16m. The distance from USA to Denver is about 641 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $18. However, be on the lookout for offers from Southwest and Allegiant Air, as they are both options that can get you from USA to Denver for a low price.

What is the cheapest month to book a flight from USA to Denver?

Currently, March is the cheapest month in which you can book a flight from USA to Denver (average of $36). Flying from USA to Denver in July is currently the most expensive (average of $96). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

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

Weekly flight availability from USA to Denver

The most flights from US0 to DEN are scheduled on a Monday (92 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (45 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 most popular routes from USA to Denver?

The most popular flight routes from USA to Denver are Dallas/Fort Worth - Denver Intl, Houston Hobby - Denver Intl and New York John F Kennedy Intl - Denver Intl.

What are the cheapest flights from USA to Denver?

While on average a flight from USA to Denver is generally $749, our data shows the cheapest flight currently is $45. When looking at the most popular route, (Dallas/Fort Worth - Denver Intl), you can expect to pay $99 for that flight.

What are the most reliable airlines from USA to Denver?

Consider Air France (97%), Asiana Airlines (95%) or Volaris (94%) when booking your flight. These represent the most reliable airlines when flying from USA to Denver.

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

When booking a flight from USA to Denver, you may want to consider flying on Frontier, United Airlines or Southwest as they are the most popular for this route.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from USA to Denver by exploring options for tickets in the evening.

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

Most people fly into Denver Intl (DEN) if they book a flight to Denver from United States. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

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

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

How can I find direct flights from USA to Denver?

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

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

Yes. Cheapflights offers flight deals from USA 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.

$39+ Flights from the United States to Denver

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$66 (Frontier)
One-way from	$39 (Expedia)
Popular in	December
Cheapest in	January
Average price	$377
Good round-trip deal	$75 or less
Good one-way deal	$54 or less

Alaska’s Premium Class offers extra legroom and free cocktails, but snacks must be purchased.

Saver Fare includes a free carry-on, but seat selection and changes are restricted.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$56	Average$188	FlexibilityNo cancel fee	On-time62%
Allegiant Air	Cheapest$88	Average$100	FlexibilityNo cancel fee	On-time88%
Denver Air Connection	Cheapest$104	Average$234	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$117	Average$319	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$127	Average$280	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$132	Average$191	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$132	Average$333	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$137	Average$280	FlexibilityNo cancel fee	On-time63%
Sun Country Air	Cheapest$143	Average$299	FlexibilityNo cancel fee	On-time83%
American Airlines	Cheapest$147	Average$311	FlexibilityNo cancel fee	On-time71%

$39+ Cheap flights from the United States to Denver (DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/1. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Denver

Cheapest flights from USA to DenverExplore the most affordable flight options available from USA to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from USA to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from USA to Denver

Keep the following information in mind while searching for USA to Denver flight deals. Data was last updated December 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to Denver that are best for you.

Best time to book a flight from USA to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from USA with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United States to Denver

What is the cheapest month to book a flight from USA to Denver?

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

Find hourly flight availability from USA to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from USA to Denver. Price data was last updated on December 20, 2025.

Weekly flight availability from USA to Denver

Explore weekly flight availability from USA to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 23, 2025.

How often are flights from the United States to Denver delayed?

What is the most punctual flight time for the United States to Denver flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on the United States to Denver flights?

The best insider tips for theUnited States to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Denver trip

Airlines

Frontier

United Airlines

Delta

American Airlines

JetBlue

Alaska Airlines

Airports

DEN

Our travel experts

Reviews of airlines servicing Denver

See what other customers who have flown with Southwest, Delta, and United Airlines from the United States to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How popular is this USA to Denver flight route?

How long is the flight from USA to Denver?

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

What are the most popular routes from USA to Denver?

What are the most reliable airlines from USA to Denver?

What are the cheapest flights from USA to Denver?

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

How can I find direct flights from USA to Denver?

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

What is the cheapest month to book a flight from USA to Denver?

Traveling to a place near Denver?

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Alternative routes for USA to Denver

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Cheapest flights from USA to Denver
Explore the most affordable flight options available from USA to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.