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Cheap flights to Denver

Compare every airline flying into Denver, CO, USA and get phone-only deals you won't see on Google Flights.

Denver, CO, USA· Airport: DEN
Denver — Flights | CheapoTrav travel guide

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Key facts

  • Denver International Airport (DEN) is the primary gateway, located about 25 miles northeast of downtown.
  • Baggage claim at DEN is on Level 5, with ground transportation options like the A Line commuter rail conveniently located on Level 1.
  • For ski season travel (typically December-March) into Denver, expect higher flight prices and book well in advance.
  • Midweek flights, especially Tuesday through Thursday, often provide better value compared to weekend departures for Denver-bound travelers.
  • The 16th Street MallRide, a free shuttle, helps visitors navigate downtown Denver from the Union Station train stop.
  • Southwest Airlines has a significant presence at DEN, often offering competitive domestic fares to Denver.
  • Consider the time of year: summer (June-August) brings peak tourism, driving up flight costs to Denver.

When planning a trip to Denver, securing the right flight often sets the tone for your entire visit. Denver International Airport (DEN) is a major hub, which means a good number of airlines compete on routes, often leading to more competitive pricing. However, the best fares aren't always immediately obvious. Factors like seasonality, local events, and even the day of the week you depart and return can significantly impact the cost of your ticket.

For domestic travel to Denver, aim to book your flight between 6 and 10 weeks out. This window typically offers a good balance between availability and price. If your plans include international connections into Denver, extending that booking window to 3 to 6 months in advance generally yields better results. Flexibility with your travel dates, even by a day or two, can sometimes uncover substantial savings, particularly if you can avoid peak Friday and Sunday departures.

Consider flying into Denver during the shoulder seasons—late spring (April-May) or early fall (September-October). The weather is generally pleasant, and you'll often find better flight deals compared to the height of summer or the busy winter ski season. Direct flights are common from many major U.S. cities, but don't overlook connecting flights, which can sometimes be significantly cheaper, especially if you're willing to add a layover.

Navigating the various flight options to Denver can feel overwhelming with all the online aggregators. If you're looking for more nuanced advice, or if your travel plans are complex, our agents often have access to fare inventories not published online. They can help piece together a routing that works for your budget and schedule, sometimes uncovering deals that public search engines miss.

In this guide

  • Average flight prices to Denver
  • Best time to book
  • Direct flights and routing options
  • Tips for cheaper fares

Frequently asked questions

What is the best airport to fly into when visiting Denver?
The primary and most convenient airport for Denver is Denver International Airport (DEN). It's a large, modern airport with extensive domestic and international connections. From DEN, you can easily access downtown Denver via the A Line commuter train service, which runs directly to Union Station. Other smaller regional airports are further away and generally not practical for most visitors traveling to core Denver.
When is the cheapest time to fly to Denver?
Generally, the cheapest times to fly to Denver are during the shoulder seasons, specifically late April to May, and September to early October. During these periods, the weather is pleasant, and tourist demand, especially related to skiing or summer festivals, tends to be lower. Also, flying on Tuesdays, Wednesdays, and Saturdays often yields better fares than peak travel days like Fridays and Sundays.
Call 1 (815) 473-8090 for phone-only fares
How far in advance should I book my flight to Denver?
For domestic flights to Denver, aim to book between 6 to 10 weeks before your intended travel date. If you're flying internationally into Denver, or if your visit coincides with major events or the busy ski season, extending that booking window to 3 to 6 months in advance is advisable to secure better pricing and availability. Last-minute bookings within two weeks of travel are usually more expensive.
Which airlines offer direct flights to Denver?
Many major U.S. airlines offer direct flights to Denver from various cities. United Airlines, Southwest Airlines, Frontier Airlines, Delta Air Lines, and American Airlines all have a significant presence at Denver International Airport (DEN). The specific airlines offering direct routes will depend on your departure city, so it's worth checking multiple carriers.
Call 1 (815) 473-8090 for phone-only fares
What's the typical flight duration to Denver from major US cities?
Typical flight durations to Denver vary widely based on your departure city. From Los Angeles or Dallas, a direct flight is usually around 2 hours. From Chicago or Atlanta, expect about 2.5 to 3 hours. Flights from the East Coast, such as New York or Miami, generally range from 3.5 to 4.5 hours for a direct service. These times do not include potential layovers.
Are there any tips for finding good deals on flights to Denver?
To find good deals on flights to Denver, be flexible with your travel dates and times. Flying midweek or during off-peak seasons often results in lower fares. Consider setting up fare alerts for your desired travel period — many booking sites offer this service. Also, don't just look at direct flights; sometimes a flight with a short layover can be significantly cheaper. Clear your browser cookies or use incognito mode when searching, as prices can sometimes fluctuate based on your search history.
Call 1 (815) 473-8090 for phone-only fares

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