$134 Cheap Flights from Denver (DEN) to Moline (MLI)

View $134 flight on Sat, Oct 11, 2025Opens in a new window

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

Cheap Flights from Denver to Moline (DEN-MLI)

Prices were available within the past 7 days and start at $134 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 27 - Thu, Oct 2
DEN
Denver
MLI
Moline
$209 Roundtrip, found 3 days ago
$209
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 27 from Denver to Moline, returning Thu, Oct 2, priced at $209 found 3 days ago
United
Tue, Sep 23 - Tue, Sep 30
DEN
Denver
MLI
Moline
$219 Roundtrip, found 6 hours ago
$219
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Sep 23 from Denver to Moline, returning Tue, Sep 30, priced at $219 found 6 hours ago
American Airlines
Tue, Sep 23 - Tue, Sep 30
DEN
Denver
MLI
Moline
$229 Roundtrip, found 6 hours ago
$229
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Sep 23 from Denver to Moline, returning Tue, Sep 30, priced at $229 found 6 hours ago
Delta
Thu, Dec 25 - Sat, Jan 10
DEN
Denver
MLI
Moline
$229 Roundtrip, found 6 hours ago
$229
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Dec 25 from Denver to Moline, returning Sat, Jan 10, priced at $229 found 6 hours ago
United
Mon, Sep 1 - Mon, Sep 8
DEN
Denver
MLI
Moline
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Sep 1 from Denver to Moline, returning Mon, Sep 8, priced at $229 found 1 hour ago
Delta
Sat, Nov 8 - Wed, Nov 12
DEN
Denver
MLI
Moline
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov 8 from Denver to Moline, returning Wed, Nov 12, priced at $234 found 4 days ago
Delta
Tue, Nov 4 - Wed, Nov 19
DEN
Denver
MLI
Moline
$239 Roundtrip, found 6 hours ago
$239
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Nov 4 from Denver to Moline, returning Wed, Nov 19, priced at $239 found 6 hours ago
United
Sat, Aug 30 - Tue, Sep 2
DEN
Denver
MLI
Moline
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 30 from Denver to Moline, returning Tue, Sep 2, priced at $239 found 1 day ago
Delta
Wed, Sep 24 - Fri, Sep 26
DEN
Denver
MLI
Moline
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Sep 24 from Denver to Moline, returning Fri, Sep 26, priced at $249 found 6 days ago
United
Tue, Sep 2 - Mon, Sep 8
DEN
Denver
MLI
Moline
$249 Roundtrip, found 4 hours ago
$249
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 2 from Denver to Moline, returning Mon, Sep 8, priced at $249 found 4 hours ago

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

January is typically the cheapest month to fly

From $208 - $679 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 $229
MLI
Quad City Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $229
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 14 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 September. 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 $134 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?
Grab a cheap one-way flight from $134 or cheap return flight from $209 from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
September is the most affordable month to fly from DEN to MLI. Planning your trip for the off-season is often the key to finding better deals on flights.
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 Denver Intl. Airport (DEN) to Quad City Intl. Airport (MLI)?
To find the cheapest airline that'll fly you from DEN to MLI, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
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.