aerial view of Moline, Illinois on Mississippi River

$130 Cheap Flights from Denver (DEN) to Moline (MLI)

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 $130 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
American Airlines
American Airlines
Delta
United
United
United
American Airlines
Delta

Alternative airports near Moline

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

What you need to know for your flight from Denver Intl. to Quad City Intl.

Denver (DEN) to Moline (MLI) at a glance

Explore a range of airlines offering flights from Denver (DEN) to Moline (MLI) on this convenient domestic route. Compare options from various carriers to find the best itinerary that aligns with your budget and schedule while you discover Moline's notable attractions and neighborhoods. Here, you’ll find essential information about flights from Denver International Airport to Quad City International Airport, making your travel planning seamless.

  • Fastest flight duration: around 2h 15m non-stop
  • Route distance: roughly 800 miles (1,290 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $110–$390, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Quad City International Airport (MLI)

Based on recent traveler bookings, here are the top airlines flying from Denver to Moline, favored for their non-stop and one-stop options. Common layovers include O'Hare International Airport (ORD) with a layover of about 1 hour and 15 minutes, Dallas-Fort Worth International Airport (DFW) with roughly a 1-hour layover, and Charlotte-Douglas International Airport (CLT) also at about 1 hour and 15 minutes. These choices provide the flexibility to balance price, total travel time, and cabin class for your ideal itinerary.

  • United: This full-service airline provides both non-stop and one-stop flights, with one-way ticket prices generally ranging from $110 to $370. United is responsible for about 75% of departures on this route, with non-stop flights taking around 2 hours and 15 minutes.
  • American Airlines: As a full-service carrier, American Airlines offers one-stop services, with one-way fares typically between $110 and $390. This airline accounts for approximately 24% of the departures, featuring a flight duration of 3 hours and 45 minutes, leading to a total travel time of about 5 hours and 15 minutes, including the layover.

Travelers flying from Denver to Moline have the option to upgrade their flight, with United providing first-class service on this route.

Best time to fly from Denver (DEN) to Moline (MLI)

The most popular months for travelers flying from Denver to Moline are April, May, and October, when peak temperatures in Moline reach up to 61.9°F in May. If you prefer quieter travel, consider July, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 74.3°F. For better deals, October usually offers the lowest average one-way fare around $193. Flight availability peaks in April, May, July, August, September, and October, with approximately 9 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $193, roughly 14% cheaper than the yearly average.
  • More budget-friendly months to fly: November, April, and February typically offer average one-way fares roughly ranging from $200 to $212.
  • Most flight options: April, May, July, August, September, and October have the highest number of flights from Denver to Moline, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January22.6°F (-5.2°C)Moderately Low7$267
February25.5°F (-3.6°C)Average8$212
March39.6°F (4.2°C)Average8$240
April50.2°F (10.1°C)Moderately High9$207
May61.9°F (16.6°C)Moderately High9$214
June71.4°F (21.9°C)Average8$226
July74.3°F (23.5°C)Moderately Low9$244
August73.0°F (22.8°C)Average9$214
September66.6°F (19.2°C)Average9$217
October53.6°F (12.0°C)Moderately High9$193
November40.6°F (4.8°C)Average8$200
December30.6°F (-0.8°C)Moderately Low8$277

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Denver (DEN) to Moline (MLI)

  • Colorado Springs to Moline (COS-MLI): Located approximately 73 miles from Denver International Airport (DEN), Colorado Springs Airport (COS) provides travelers with one-way economy tickets typically priced between $120 and $370, influenced by the season and time of booking. Flights on this route generally feature one-stop options, with common layover points at Denver International Airport (DEN) and Dallas-Fort Worth International Airport (DFW). The leading airlines servicing this route include United and American Airlines.

How to find the best prices for flights from Denver (DEN) to Moline (MLI)

Getting some of the best deals on flights from Denver to Moline is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers typically book between two to eight weeks ahead. Evening departures from 6 PM to 12 AM often offer lower prices, while afternoon flights from 12 PM to 6 PM are the most popular. Additionally, flying on Tuesday generally provides cheaper options, but Thursday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Moline hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Quad City International Airport from Denver International Airport

Moline welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Moline efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Moline, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Quad City International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Quad City International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Quad City International Airport, Centre Station, a bus station, is located about 5.6 miles away by car, while Celebration River Cruise Dock, a cruise terminal, is situated approximately 5.8 miles from the airport, both easily accessible by car.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) cost?
You can find cheap one-way flights from $130 and cheap return flights from $269 Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) with Expedia. One-way flights generally range between $223 and $735, and roundtrip flights usually range from $319 to $1051. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
The cheapest month to fly from DEN to MLI is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
You can fly direct from DEN to MLI on United, with around 7 flights per week.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
United is one of the cheapest airlines offering nonstop flights from Denver, CO (DEN) to Moline, IL (MLI), with round-trip tickets starting from around $209. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
The best airline to fly with from Denver (DEN) to Moline (MLI) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. American Airlines offers the most daily flights from DEN to MLI, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
You can find approximately 1 nonstop flights per day from Denver Intl. (DEN) to Quad City Intl. (MLI). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
The earliest flight from Denver International Airport (DEN) to Quad City International Airport (MLI) typically departs at around 12:55 AM, operated by American Airlines. This is a seasonal service active in November. An early departure allows you to maximize your time in Moline. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
The most popular departure times for flights from Denver, CO (DEN) to Moline, IL (MLI) are in the late afternoon, from 3pm to 6pm. About 30% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, operate flights during this time. This timing is popular because it allows travelers to arrive in Moline in the evening, making it convenient for business or leisure activities.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
Flying nonstop from DEN to MLI takes around 2 hours 20 minutes, with the route covering approximately 750 miles. Flights with a layover typically take 2 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
You can fly first class between DEN and MLI. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Moline from Denver Intl. (DEN)?
If you're planning to travel to Moline from Denver Intl. (DEN), you can fly into Quad City Intl. (MLI) Some flights may connect through major hubs like Sky Harbor Intl. (PHX), Watertown Regional (ATY), Liberty Intl. (EWR) before reaching Moline. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Moline, IL (MLI-Quad City Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Quad City Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$269
Distance
749 mi
Average flight time
2 hours 16 mins

Book with confidence

*Flight schedules are subject to change.

*Available to One Key members.