Cheap flights from Appleton to Denver from $166

The cheapest month to fly to Denver from Appleton is in September. Flight prices, which tend to average around $300, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until June to fly from Appleton, when ticket prices are also cheap, with an average price of $308.

The cheapest day to depart on your flight to Denver is on a Monday when prices can be found for as low as $284. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $578.

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $162. Flights in the morning are often more expensive with an average ticket price of $456.

Fly from Appleton Intl to Denver Intl for the best Appleton Intl - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Appleton when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Appleton for as low as $284 on momondo.

There are 4 cabin classes available to choose from on Appleton to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Appleton to Denver.

As of November 2026, prices for Appleton to Denver flights are approximately 34% more expensive when compared to flights at the same time last year.

American Airlines, United Airlines, and Delta are the most popular carriers operating from Appleton Intl to Denver Intl

United Airlines, Southwest and Allegiant Air are the top three most popular airlines that fly to Denver from Appleton according to our data. United Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 7 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Minneapolis (MSP) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Chicago (ORD) offer the lowest average round-trip price of $208.

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 4h 30m.

Minneapolis (MSP) has the shortest average layover time for this route: 1h 02m.

1 flights are operational daily from Appleton to Denver as of November 2026. The most popular departure time for this route is 8:00AM, with 66% of flights per day taking off at noon.

The number of flights available between Appleton and Denver is 7 per week as of November 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.