$152 Cheap Flights from Moline (MLI) to Denver (DEN)

View $152 flight on Wed, May 14, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Moline to Denver (MLI-DEN)

Prices were available within the past 7 days and start at $152 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, Oct 18 - Tue, Oct 21
MLI
Moline
DEN
Denver
$209 Roundtrip, found 2 hours ago
$209
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 18 from Moline to Denver, returning Tue, Oct 21, priced at $209 found 2 hours ago
United
Sat, Oct 18 - Tue, Oct 21
MLI
Moline
DEN
Denver
$219 Roundtrip, found 2 hours ago
$219
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 18 from Moline to Denver, returning Tue, Oct 21, priced at $219 found 2 hours ago
American Airlines
Sat, Oct 18 - Tue, Oct 21
MLI
Moline
DEN
Denver
$229 Roundtrip, found 2 hours ago
$229
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Oct 18 from Moline to Denver, returning Tue, Oct 21, priced at $229 found 2 hours ago
Delta
Wed, Oct 15 - Sat, Nov 1
MLI
Moline
DEN
Denver
$229 Roundtrip, just found
$229
Roundtrip
just found
Select Delta flight, departing Wed, Oct 15 from Moline to Denver, returning Sat, Nov 1, priced at $229 just found
United
Mon, May 12 - Mon, May 19
MLI
Moline
DEN
Denver
$229 Roundtrip, found 4 hours ago
$229
Roundtrip
found 4 hours ago
Select United flight, departing Mon, May 12 from Moline to Denver, returning Mon, May 19, priced at $229 found 4 hours ago
Delta
Wed, Oct 15 - Sat, Oct 25
MLI
Moline
DEN
Denver
$239 Roundtrip, just found
$239
Roundtrip
just found
Select Delta flight, departing Wed, Oct 15 from Moline to Denver, returning Sat, Oct 25, priced at $239 just found
United
Thu, May 8 - Sun, May 11
MLI
Moline
DEN
Denver
$239 Roundtrip, found 3 hours ago
$239
Roundtrip
found 3 hours ago
Select United flight, departing Thu, May 8 from Moline to Denver, returning Sun, May 11, priced at $239 found 3 hours ago
United
Thu, May 8 - Sun, May 11
MLI
Moline
DEN
Denver
$249 Roundtrip, found 3 hours ago
$249
Roundtrip
found 3 hours ago
Select United flight, departing Thu, May 8 from Moline to Denver, returning Sun, May 11, priced at $249 found 3 hours ago
United
Sat, Oct 18 - Tue, Oct 21
MLI
Moline
DEN
Denver
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 18 from Moline to Denver, returning Tue, Oct 21, priced at $249 found 2 hours ago
Delta
Tue, Jul 29 - Tue, Aug 5
MLI
Moline
DEN
Denver
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 29 from Moline to Denver, returning Tue, Aug 5, priced at $254 found 2 days ago

Frequently asked questions

How much does a flight from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN) cost?
You can pick up cheap return flights starting at $219 from Quad City Intl. Airport (MLI) to Denver Intl. Airport (DEN). 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 MLI on May 9 2025 and touching down at DEN. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from MLI to DEN?
The cheapest flights from MLI to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 MLI to DEN?
With fares starting at $224 for a one-way journey from MLI to DEN, United is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MLI on May 24 2025. Prices were last updated on April 23 2025 and have not changed since.
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.
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