Cheap Flights from Appleton (ATW) to Denver International (DEN)

Compare Appleton to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Appleton to Denver International

Looking for a cheap last-minute deal or the best return flight from Appleton Airport to Denver International Airport? If you want to travel next month, return fares start from £156. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Appleton to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Appleton to Denver International flights are currently cheapest in October.

Direct flights from Appleton to Denver International

Appleton to Denver International: Alternative routes

Compare routes from Appleton to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Appleton to Denver: Flight information

The things to know before you go.
Cheapest flight found£47
Cheapest month to flyOctober
Average flight time2 hrs, 42 mins
Most popular airlineUnited
Average flights per week15

Finding cheap flights from Appleton to Denver International: Frequently asked questions

The best price we found for a return flight from Appleton to Denver International is £99. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 42 minutes is the average flight time from Appleton to Denver International.
United, SkyWest Airlines and Allegiant Air fly direct from Appleton to Denver International.
As of June 2026, there are 15 flights per week flying from Appleton to Denver International.
The cheapest month to fly from Appleton to Denver International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Appleton Airport to Denver International Airport on Monday, 31 August 2026.
Yes – the average flight time is 2 hours and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Denver International.

Travelling from Appleton Airport (ATW) to Denver International Airport (DEN): what you need to know

  • Hop on a direct flight from Appleton Airport to Denver International Airport and you'll be in the air for an average of 2 hours 45 minutes.

  • Denver's timezone is UTC-7, making Denver one hour behind Appleton.

  • Every week, there are eight Appleton Airport to Denver International Airport flights. If you'd like to jet off as soon as possible, take the 08:23 United Airlines flight. If you're eager to make the most of your time before flying, the latest flight is at 16:55 with Allegiant Air.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Make sure you're at the airport on time to catch your ATW to DEN flight.

  • You'll likely experience bigger queues in popular months such as June. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • United is your ticket to exploring Denver (and maybe even some other exciting corners of the United States!). Browse the direct flights from Appleton Airport to Denver International Airport offered by this popular carrier.

  • The majority of travellers choose to fly with United on this route.

  • United is the most punctual carrier offering ATW to DEN flights, with 75.0% of its services arriving as scheduled.

  • Think about adding a stopover when booking your ticket from Appleton Airport to Denver International Airport. Simply deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Here are some options between ATW and DEN:

    • Chicago O'Hare International Airport

    • Detroit Wayne County Airport

    • Minneapolis St Paul Airport

Handy information about Appleton Airport (ATW)

  • ATW's address is West 6390, Challenger Drive, Suite 201.

  • When it comes to the on-time performance of Appleton Airport, 70% of flights meet their scheduled arrival time.

  • Central Appleton to Appleton Airport is around 11 kms (7 miles). Depending on traffic, it'll take you about 15 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • Catching public transport? Expect a trip time of around 45 minutes.

  • Get your journey off to a hassle-free start by staying near ATW. Whether you're catching an early flight from Appleton Airport to Denver International Airport or just don't want to be rushed, these hotels are ideal:

Arriving at Denver International Airport (DEN)

  • Hop off your Appleton Airport to Denver International Airport flight and be in your hotel bed soon after. If you're searching for a handy option a short journey from DEN, unpack your bags at Baymont by Wyndham Denver International Airport.

  • Pick up a Denver International Airport rental car and discover Denver and beyond with your own wheels. Routes Car Rentals, Dollar and Budget are leading providers you can book with here.

  • To lock in the lowest price, reserve your ride from Denver International Airport about one week before you travel.

When to fly to Denver International Airport (DEN)

  • The quietest month for a flight from Appleton Airport to Denver International Airport is January, while July is the busiest. Pick the best time to go to Denver based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Appleton Airport to Denver International Airport for July if you want to go to Denver during its warmest month. You can expect temperatures of between 14ºC and 32ºC.

  • Look for cheap tickets from ATW to DEN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC and 7ºC on average.

Explore more of the United States

  • Colorado Springs is just one of the many cities in the United States waiting to be explored once you've seen the sights of Denver. Around 105 kms (65 miles) away to the south, top sights here include Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.

  • Aurora is another favourite destination in the United States and is around 13 kms (8 miles) east of Denver. No journey is complete without a visit to Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.