$260 Cheap Flights from Rapid City (RAP) to Dubuque (DBQ)

View $260 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to Dubuque, IA (DBQ-Dubuque Regional)

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Cheap Flights from Rapid City to Dubuque (RAP-DBQ)

Prices were available within the past 7 days and start at $260 for one-way flights and $486 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 22 - Fri, Nov 14
RAP
Rapid City
DBQ
Dubuque
$486 Roundtrip, found 11 hours ago
$486
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Oct 22 from Rapid City to Dubuque, returning Fri, Nov 14, priced at $486 found 11 hours ago
United
Thu, Dec 25 - Sat, Jan 3
RAP
Rapid City
DBQ
Dubuque
$491 Roundtrip, found 3 hours ago
$491
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Dec 25 from Rapid City to Dubuque, returning Sat, Jan 3, priced at $491 found 3 hours ago
United
Tue, Jan 13 - Tue, Jan 27
RAP
Rapid City
DBQ
Dubuque
$497 Roundtrip, found 3 hours ago
$497
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jan 13 from Rapid City to Dubuque, returning Tue, Jan 27, priced at $497 found 3 hours ago
United
Wed, Aug 20 - Wed, Aug 27
RAP
Rapid City
DBQ
Dubuque
$499 Roundtrip, found 19 hours ago
$499
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Aug 20 from Rapid City to Dubuque, returning Wed, Aug 27, priced at $499 found 19 hours ago
Delta
Mon, Jan 12 - Sun, Jan 25
RAP
Rapid City
DBQ
Dubuque
$507 Roundtrip, found 3 hours ago
$507
Roundtrip
found 3 hours ago
Select Delta flight, departing Mon, Jan 12 from Rapid City to Dubuque, returning Sun, Jan 25, priced at $507 found 3 hours ago
United
Wed, Aug 20 - Sat, Aug 30
RAP
Rapid City
DBQ
Dubuque
$507 Roundtrip, found 19 hours ago
$507
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Aug 20 from Rapid City to Dubuque, returning Sat, Aug 30, priced at $507 found 19 hours ago
United
Wed, Aug 20 - Wed, Aug 27
RAP
Rapid City
DBQ
Dubuque
$509 Roundtrip, found 19 hours ago
$509
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Aug 20 from Rapid City to Dubuque, returning Wed, Aug 27, priced at $509 found 19 hours ago
United
Wed, Aug 20 - Fri, Aug 29
RAP
Rapid City
DBQ
Dubuque
$513 Roundtrip, found 19 hours ago
$513
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Aug 20 from Rapid City to Dubuque, returning Fri, Aug 29, priced at $513 found 19 hours ago
Delta
Mon, Jan 12 - Sun, Feb 1
RAP
Rapid City
DBQ
Dubuque
$517 Roundtrip, found 3 hours ago
$517
Roundtrip
found 3 hours ago
Select Delta flight, departing Mon, Jan 12 from Rapid City to Dubuque, returning Sun, Feb 1, priced at $517 found 3 hours ago
United
Wed, Aug 20 - Wed, Aug 27
RAP
Rapid City
DBQ
Dubuque
$519 Roundtrip, found 19 hours ago
$519
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Aug 20 from Rapid City to Dubuque, returning Wed, Aug 27, priced at $519 found 19 hours 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 $507
DBQ
Dubuque Regional
CheapestClosest
Average driving time to city center11 min
Flights from $507
Flights from Rapid City (RAP) to Dubuque (DBQ)
Origin airport
Rapid City Regional
Destination airport
Dubuque Regional
Roundtrip price
$486
Distance
631 mi

Rapid City to Dubuque Flights

The cheapest times to fly from Rapid City 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 Rapid City to Dubuque are during the month of October. You can find some of the cheapest flights from Rapid City to Dubuque with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Dubuque

Sunday is one of the best days to book for cheap flights from Rapid City 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 Rapid City 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 Rapid City to Dubuque in 2025. You can also book with separate airlines for your outbound and return journeys, from $260 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 Rapid City 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 Rapid City 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 Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ) cost?
Lock in a cheap one-way flight from $260 or cheap return flight from $486 from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ)?
Planning your trip for October is a good way to save, as it's the cheapest month for flights between RAP and DBQ. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ)?
To find the cheapest airline that'll fly you from RAP to DBQ, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ)?
Direct flights from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RAP to DBQ?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ)?
To arrive at Dubuque Regional Airport (DBQ) on time, select a flight that leaves from Rapid City Regional Airport (RAP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ) last-minute?
Holding off until just before your trip to book a flight from RAP to DBQ often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a RAP to DBQ flight and hotel package?
You can save money by booking a RAP to DBQ flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your ideal accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ)?
If you booked your RAP to DBQ flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.