$110 Cheap Flights from Denver (DEN) to Moline (MLI)

View $110 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)

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Cheap Flights from Denver to Moline (DEN-MLI)

Prices were available within the past 7 days and start at $110 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jan 23 - Sun, Jan 25
DEN
Denver
MLI
Moline
$209 Roundtrip, found 8 hours ago
$209
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Jan 23 from Denver to Moline, returning Sun, Jan 25, priced at $209 found 8 hours ago
United
Thu, Jan 22 - Sat, Jan 24
DEN
Denver
MLI
Moline
$219 Roundtrip, found 8 hours ago
$219
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Jan 22 from Denver to Moline, returning Sat, Jan 24, priced at $219 found 8 hours ago
American Airlines
Wed, Sep 3 - Thu, Sep 18
DEN
Denver
MLI
Moline
$229 Roundtrip, found 2 hours ago
$229
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Sep 3 from Denver to Moline, returning Thu, Sep 18, priced at $229 found 2 hours ago
Delta
Wed, Aug 13 - Sat, Aug 16
DEN
Denver
MLI
Moline
$229 Roundtrip, found 4 hours ago
$229
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Aug 13 from Denver to Moline, returning Sat, Aug 16, priced at $229 found 4 hours ago
American Airlines
Tue, Aug 12 - Mon, Aug 18
DEN
Denver
MLI
Moline
$239 Roundtrip, found 4 hours ago
$239
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Aug 12 from Denver to Moline, returning Mon, Aug 18, priced at $239 found 4 hours ago
United
Fri, Dec 12 - Tue, Dec 16
DEN
Denver
MLI
Moline
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select United flight, departing Fri, Dec 12 from Denver to Moline, returning Tue, Dec 16, priced at $239 found 1 day ago
American Airlines
Sun, Sep 7 - Mon, Sep 22
DEN
Denver
MLI
Moline
$249 Roundtrip, found 10 hours ago
$249
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Sep 7 from Denver to Moline, returning Mon, Sep 22, priced at $249 found 10 hours ago
United
Wed, Sep 3 - Thu, Sep 18
DEN
Denver
MLI
Moline
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 3 from Denver to Moline, returning Thu, Sep 18, priced at $249 found 2 hours ago
American Airlines
Wed, Sep 3 - Thu, Sep 18
DEN
Denver
MLI
Moline
$259 Roundtrip, found 2 hours ago
$259
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Sep 3 from Denver to Moline, returning Thu, Sep 18, priced at $259 found 2 hours ago
Delta
Tue, Aug 12 - Mon, Aug 18
DEN
Denver
MLI
Moline
$264 Roundtrip, found 4 hours ago
$264
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Aug 12 from Denver to Moline, returning Mon, Aug 18, priced at $264 found 4 hours ago

Find the cheapest month to fly from Denver (DEN) to Moline (MLI)

September is typically the cheapest month to fly

From $198 - $599 per traveler.

Graph displaying average flight prices per month

Alternative airports near Moline

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Quad City Intl. MLI. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $339
MLI
Quad City Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $339
Flights from Denver (DEN) to Moline (MLI)
Origin airport
Denver Intl.
Destination airport
Quad City Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$209
Distance
749 mi
Average flight time
2 hours 17 mins

Denver to Moline Flights

The cheapest times to fly from Denver to Moline

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Moline are during the month of January. You can find some of the cheapest flights from Denver to Moline with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Moline

Sunday is one of the best days to book for cheap flights from Denver to Moline: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Moline

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Moline in 2025. You can also book with separate airlines for your outbound and return journeys, from $110 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Moline flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Moline airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI) cost?
Find affordable return tickets from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI) starting at $299. Snag a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving DEN on July 19 2025 and touching down at MLI. The price was last updated on June 30 2025 and has not changed since.
What is the cheapest month to fly from DEN to MLI?
Fly direct from DEN to MLI in August to land cheaper tickets. You can find a one-way United flight for $224 leaving on August 31 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on June 30 2025 and remains unchanged.
Which airlines fly direct from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
You can fly directly from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI) on a United Airlines flight.
What is the cheapest airline that flies from DEN to MLI?
Fly from DEN to MLI with United. This carrier currently has the cheapest one-way ticket on this route, starting at $224. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on August 31 2025. Prices were last updated on June 30 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
On average, just 1 nonstop flight departs daily from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI). Want additional options? Use our filters to discover flights with layovers and explore a new city along the way.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
Flights between DEN and MLI tend to be busiest at 5 PM. If you're after a more relaxed atmosphere and possibly cheaper prices, look for a departure outside the usual busy windows.
What day of the week has the most flights from DEN to MLI?
Travel on a Sunday if you're searching for the largest selection of flights from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI).
What is the earliest flight from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
Denver Intl. Airport (DEN)'s first flight to Quad City Intl. Airport (MLI) departs at approximately 5:25PM UTC-7. With a total flight time of 2h 17m, you'll land at around 8:42PM UTC-6.
How long does it take to fly from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
Flights from DEN to MLI have an average travel time of 2 hours and 17 minutes. The total distance between the two airports is 750 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
Choose a flight from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Moline from Denver Intl. Airport (DEN)?
Quad City Intl. Airport (MLI) is the only airport in Moline with direct flights from Denver Intl. Airport (DEN). Explore the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI) last-minute?
Booking your ticket from DEN to MLI just before your getaway is typically more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a DEN to MLI flight and hotel package?
You'll typically save money by booking a DEN to MLI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
If you reserved your DEN to MLI flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.