$435 Cheap Flights from Rapid City (RAP) to Dubuque (DBQ)

View $435 flight on Thu, May 1, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $435 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Rapid City (RAP) to Dubuque (DBQ)
Origin airport
Rapid City Regional
Destination airport
Dubuque Regional
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 . 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 $435 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

Is it cheaper to buy a plane ticket from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ) last minute?
Booking your trip from Rapid City Regional Airport (RAP) to Dubuque Regional Airport (DBQ) last minute could save you a pretty penny if you’re lucky to find a terrific deal. However, airfares usually don’t get cheaper closer to the departure date. If you hold off, flights could also be booked up or the best seats gone (because no one wants the middle seat). If you’d rather play it safe, book well ahead of when you want to leave. In fact, you can find some of the biggest deals up to 12 months in advance. If your favorite airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia constantly.
What airports do you fly into for Dubuque from Rapid City?
With Dubuque Regional Airport (DBQ), Clinton, IA (CWI-Clinton Municipal) and Davenport, IA (DVN-Davenport Municipal) to pick from, connecting from Rapid City to Dubuque is simple. The city’s major gateway, Dubuque Regional Airport (DBQ), is approximately 7 mi south of the center. Along with the price of fares, consider things like train or bus options from the airport and the distance to your hotel when deciding where to touch down. Get your Dubuque vacation off to a terrific start by discovering Q Casino and Grand Harbor Resort and Waterpark.
Can I change the date of my flight from Rapid City Regional Airport (RAP) to Dubuque Regional Airport?
It’s a snap to make changes to your Rapid City Regional Airport (RAP) to Dubuque Regional Airport journey yourself. Just go to the Expedia Trips portal and select “change flight.” Look around for new flights and lock in the one that fits your new plans. You’ll get an estimate of flight change fees that may apply. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

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