$124 Cheap Flights from Moline (MLI) to Denver (DEN)

View $124 flight on Mon, Apr 20, 2026Opens in a new window

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

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Cheap Flights from Moline to Denver (MLI-DEN)

Prices were available within the past 7 days and start at $124 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Apr 11 - Tue, Apr 14
MLI
Moline
DEN
Denver
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Apr 11 from Moline to Denver, returning Tue, Apr 14, priced at $169 found 1 hour ago
American Airlines
Sat, Apr 11 - Tue, Apr 14
MLI
Moline
DEN
Denver
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Apr 11 from Moline to Denver, returning Tue, Apr 14, priced at $189 found 1 hour ago
American Airlines
Wed, Apr 1 - Wed, Apr 8
MLI
Moline
DEN
Denver
$209 Roundtrip, found 2 hours ago
$209
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Apr 1 from Moline to Denver, returning Wed, Apr 8, priced at $209 found 2 hours ago
American Airlines
Sat, Apr 11 - Tue, Apr 14
MLI
Moline
DEN
Denver
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Apr 11 from Moline to Denver, returning Tue, Apr 14, priced at $224 found 1 hour ago
United
Thu, Nov 12 - Tue, Nov 17
MLI
Moline
DEN
Denver
$229 Roundtrip, found 20 hours ago
$229
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Nov 12 from Moline to Denver, returning Tue, Nov 17, priced at $229 found 20 hours ago
American Airlines
Fri, Apr 10 - Tue, Apr 14
MLI
Moline
DEN
Denver
$239 Roundtrip, found 20 hours ago
$239
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Fri, Apr 10 from Moline to Denver, returning Tue, Apr 14, priced at $239 found 20 hours ago
United
Mon, May 4 - Sun, May 10
MLI
Moline
DEN
Denver
$239 Roundtrip, found 6 days ago
$239
Roundtrip
found 6 days ago
Select United flight, departing Mon, May 4 from Moline to Denver, returning Sun, May 10, priced at $239 found 6 days ago
United
Wed, Apr 8 - Mon, Apr 13
MLI
Moline
DEN
Denver
$240 Roundtrip, found 3 days ago
$240
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from Moline to Denver, returning Mon, Apr 13, priced at $240 found 3 days ago
American Airlines
Sun, May 24 - Sun, Aug 23
MLI
Moline
DEN
Denver
$244 Roundtrip, found 8 hours ago
$244
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sun, May 24 from Moline to Denver, returning Sun, Aug 23, priced at $244 found 8 hours ago
Delta
Sat, Apr 11 - Tue, Apr 14
MLI
Moline
DEN
Denver
$269 Roundtrip, found 1 hour ago
$269
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Apr 11 from Moline to Denver, returning Tue, Apr 14, priced at $269 found 1 hour ago

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Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $189
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $189

Frequently asked questions

How much does a flight from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN) cost?
Get a cheap one-way flight from $124 or cheap return flight from $169 from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
Planning your trip for April may help you find better deals, as it's the cheapest month for flights between MLI and DEN. You'll typically find the lowest fares during off-peak months.
Which airlines fly direct from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
Catch a direct flight with United Airlines and fly straight from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN).
What is the cheapest airline that flies from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest MLI to DEN flight.
How many flights per day from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
On average, Quad City Intl. Airport (MLI) only offers 1 direct flight to Denver Intl. Airport (DEN) every day. To explore more options, try Expedia's easy-to-use filters. Enter your travel details, then select "1 Stop" or "2+ Stops" to find flights offering layovers.
What are the most popular departure times for flights from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
The 8 AM departures from MLI to DEN are the busiest. Prices can be higher for these popular slots. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from MLI to DEN?
Friday has the most flights from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
Hop on the earliest flight at around 8:40AM UTC-6, heading out of Quad City Intl. Airport (MLI). You'll be traveling for about 2h 44m, coming in to land at Denver Intl. Airport (DEN) at approximately 10:24AM UTC-7.
How long does it take to fly from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
Flights from MLI to DEN have an average travel time of 2 hours and 44 minutes. The total distance between the two is 750 mi.
What airline has the least delays from MLI to DEN?
Consider traveling with United Airlines if you'd like to go straight from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN) without any interruptions. This carrier has the best track record for punctuality, with an on-time score of 82%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Denver from Quad City Intl. Airport (MLI)?
If you're flying on a direct flight from Quad City Intl. Airport (MLI) to Denver, Denver Intl. Airport (DEN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN) last-minute?
Booking your flight from MLI to DEN just before your trip is typically more expensive. But if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a MLI to DEN flight and hotel package?
You'll generally save money by securing a MLI to DEN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN)?
It's usually possible to cancel or reschedule your MLI to DEN flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Quad City Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$168
Distance
749 mi
Average flight time
2 hours 46 mins

Book with confidence

Moline to Denver Flights

The cheapest times to fly from Moline to Denver

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 Moline to Denver are during the month of April. You can find some of the cheapest flights from Moline to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Moline to Denver

Sunday is one of the best days to book for cheap flights from Moline to Denver: 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 Moline to Denver

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 Moline to Denver in 2026. You can also book with separate airlines for your outbound and return journeys, from $124 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 Moline to Denver 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 Moline to Denver 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.

 

Moline to Denver Flights

*Flight schedules are subject to change.

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