$204 Cheap Flights from Denver (DEN) to Dubuque (DBQ)

View $204 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Dubuque, IA (DBQ-Dubuque Regional)

Cheap Flights from Denver to Dubuque (DEN-DBQ)

Prices were available within the past 7 days and start at $204 for one-way flights and $408 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 29 - Tue, Sep 30
DEN
Denver
DBQ
Dubuque
$408 Roundtrip, found 6 days ago
$408
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep 29 from Denver to Dubuque, returning Tue, Sep 30, priced at $408 found 6 days ago
American Airlines
Wed, Oct 1 - Sat, Oct 4
DEN
Denver
DBQ
Dubuque
$414 Roundtrip, found 4 days ago
$414
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 1 from Denver to Dubuque, returning Sat, Oct 4, priced at $414 found 4 days ago
American Airlines
Mon, Sep 29 - Tue, Sep 30
DEN
Denver
DBQ
Dubuque
$426 Roundtrip, found 1 day ago
$426
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 29 from Denver to Dubuque, returning Tue, Sep 30, priced at $426 found 1 day ago
American Airlines
Thu, Oct 9 - Sat, Oct 11
DEN
Denver
DBQ
Dubuque
$428 Roundtrip, found 6 days ago
$428
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Oct 9 from Denver to Dubuque, returning Sat, Oct 11, priced at $428 found 6 days ago
American Airlines
Sat, Sep 27 - Tue, Sep 30
DEN
Denver
DBQ
Dubuque
$434 Roundtrip, found 1 day ago
$434
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Sep 27 from Denver to Dubuque, returning Tue, Sep 30, priced at $434 found 1 day ago
American Airlines
Wed, Nov 19 - Sat, Dec 6
DEN
Denver
DBQ
Dubuque
$435 Roundtrip, found 4 days ago
$435
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 19 from Denver to Dubuque, returning Sat, Dec 6, priced at $435 found 4 days ago
American Airlines
Tue, Aug 26 - Sat, Aug 30
DEN
Denver
DBQ
Dubuque
$436 Roundtrip, found 1 day ago
$436
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 26 from Denver to Dubuque, returning Sat, Aug 30, priced at $436 found 1 day ago
American Airlines
Tue, Dec 2 - Sat, Dec 13
DEN
Denver
DBQ
Dubuque
$437 Roundtrip, found 4 days ago
$437
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 2 from Denver to Dubuque, returning Sat, Dec 13, priced at $437 found 4 days ago
American Airlines
Tue, Aug 19 - Sat, Aug 23
DEN
Denver
DBQ
Dubuque
$438 Roundtrip, found 3 days ago
$438
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 19 from Denver to Dubuque, returning Sat, Aug 23, priced at $438 found 3 days ago
United
Wed, Oct 1 - Sat, Oct 4
DEN
Denver
DBQ
Dubuque
$462 Roundtrip, found 4 days ago
$462
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 1 from Denver to Dubuque, returning Sat, Oct 4, priced at $462 found 4 days ago

Alternative airports near Dubuque

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

Select flight to Dubuque Regional DBQ. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $494
DBQ
Dubuque Regional
CheapestClosest
Average driving time to city center11 min
Flights from $494
Flights from Denver (DEN) to Dubuque (DBQ)
Origin airport
Denver Intl.
Destination airport
Dubuque Regional
Roundtrip price
$408
Distance
747 mi

Denver to Dubuque Flights

The cheapest times to fly from Denver to Dubuque

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

 

The best time to book a flight from Denver to Dubuque

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

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 Dubuque in 2025. You can also book with separate airlines for your outbound and return journeys, from $204 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 Dubuque 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 Dubuque 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 Dubuque Regional Airport (DBQ) cost?
Discover the latest flight deals from DEN to DBQ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DEN to DBQ?
The cheapest flights from DEN to DBQ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEN to DBQ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEN to DBQ. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Denver Intl. Airport (DEN) to Dubuque Regional Airport (DBQ)?
You'll have to book a flight with a layover if you're traveling from Denver Intl. Airport (DEN) to Dubuque Regional Airport (DBQ). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DEN to DBQ?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Dubuque Regional Airport (DBQ)?
Choose a flight from Denver Intl. Airport (DEN) to Dubuque Regional Airport (DBQ) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 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.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Dubuque Regional Airport (DBQ) last-minute?
Last-minute bookings from DEN to DBQ are generally more expensive. To secure the lowest prices, start searching for flights well in advance. That said, if your travel plans are flexible, you may find a cheap ticket right before you leave.
Is it cheaper to book a DEN to DBQ flight and hotel package?
You can save money by securing a DEN to DBQ flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Dubuque Regional Airport (DBQ)?
If you booked your DEN to DBQ flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.