$184 Cheap flight deals from Quad Cities (MLI) to Denver (DEN)

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This Weekend's Flight Deals from Quad Cities to Denver

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 6 - Wed, Jun 10
MLI
Quad City Intl.
DEN
Denver Intl.
$407 Roundtrip, found 1 day ago
$407
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jun 6 from Quad City Intl. to Denver Intl., returning Wed, Jun 10, priced at $407 found 1 day ago

Airfares from $184 One Way, $289 Round Trip from Quad Cities to Denver

Prices starting at $289 for return flights and $184 for one-way flights to Denver were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 21 - Mon, Aug 24
MLI
Moline
DEN
Denver
$289 Roundtrip, found 2 hours ago
$289
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Aug 21 from Moline to Denver, returning Mon, Aug 24, priced at $289 found 2 hours ago
Fri, Sep 18 - Tue, Sep 22
MLI
Moline
DEN
Denver
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 18 from Moline to Denver, returning Tue, Sep 22, priced at $344 found 1 day ago
Mon, Jul 13 - Mon, Jul 20
MLI
Moline
DEN
Denver
$352 Roundtrip, found 6 days ago
$352
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Jul 13 from Moline to Denver, returning Mon, Jul 20, priced at $352 found 6 days ago
Wed, Jun 24 - Sat, Jun 27
MLI
Moline
DEN
Denver
$361 Roundtrip, found 20 hours ago
$361
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Jun 24 from Moline to Denver, returning Sat, Jun 27, priced at $361 found 20 hours ago
Tue, Jul 28 - Thu, Jul 30
MLI
Moline
DEN
Denver
$367 Roundtrip, found 4 days ago
$367
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jul 28 from Moline to Denver, returning Thu, Jul 30, priced at $367 found 4 days ago

Denver economy flight packages

Price found within the past 48 hours. Click for updated prices.
Populus
4.0-star property

Populus

9.4/10 Exceptional! (656 reviews)

Jul 2 - Jul 6

4 night stay

Moline (MLI) to Denver (DEN)

United • Roundtrip • Coach
Price was $1,102, price is now $813 per person
$813
per person
found 5 hours ago
Beautiful property. Breakfast at the first floor restaurant was delicious and plenty of food to share.

Reviewed on Sep 11, 2025

Patterson Inn
3.5-star property

Patterson Inn

9.6/10 Exceptional! (785 reviews)

Jul 2 - Jul 6

4 night stay

Moline (MLI) to Denver (DEN)

United • Roundtrip • Coach
Price was $1,141, price is now $839 per person
$839
per person
found 5 hours ago
Great breakfast, close to a lot restaurants and conference center, comfortable bed. Would stay again

Reviewed on Sep 28, 2025

The Brown Palace Hotel and Spa, Autograph Collection
4.5-star property

The Brown Palace Hotel and Spa, Autograph Collection

8.6/10 Excellent! (1,002 reviews)

Jul 2 - Jul 6

4 night stay

Moline (MLI) to Denver (DEN)

United • Roundtrip • Coach
Price was $1,242, price is now $977 per person
$977
per person
found 5 hours ago
Quick check in, nice room

Reviewed on Dec 28, 2025

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More About Flying To Denver from Quad Cities

Route Information for Flights from Quad Cities to Denver

Origin Airport IATA Code
MLI
Destination Airport IATA Code
DEN
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Quad Cities to Denver

Great Deals on Flights From Quad Cities to Denver

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Flights That Fit Your Budget

Traveling on a budget? Not to worry if you are using Orbitz. We monitor thousands of fares to make sure we show you the best air ticket prices available for your travel dates. Besides amazing prices on Quad Cities to Denver flights, we offer you great deals on hotels, vacation packages, and last-minute getaways for the perfect trip.

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Frequently asked questions

Are there non-stop flights from Quad Cities to Denver?
Choose your ideal travel dates, because there is. You can get from Quad City Intl. Airport to DIA airport in one easy journey with United Airlines.
What is the shortest flight from Quad Cities to Denver?
The shortest flight from MLI to Denver, CO (DEN-Denver Intl.) is 3 hours and 19 minutes. Grab a wine from the drink trolley, write in your travel journal or read a few magazines — you'll have the time on this medium-haul journey.
What airlines fly from Quad Cities to Denver most frequently?
Lock in your Quad Cities to Denver trip with a United Airlines flight. With 60 every month, this airline has the most flights along this route.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.