Cheap Flights from Dubuque (DBQ) to Sioux City (SUX)

Popular airlines from Dubuque, IA (DBQ-Dubuque Regional) to Sioux City, IA (SUX-Sioux Gateway)

Frequently asked questions

How much does a flight from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX) cost?
Snag a cheap one-way flight or cheap return flight from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX)?
The cheapest month to fly from DBQ to SUX is , when there's less demand. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DBQ to SUX flight.
How many flights per day from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX)?
You'll have to book a flight with a layover if you're traveling from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DBQ to SUX?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX)?
To avoid potential delays on the Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX) route, fly before 3 PM. Flights after this time have a 22% higher chance of being 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 Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX) last-minute?
Last-minute fares from DBQ to SUX are generally more expensive. For the best rates, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a DBQ to SUX flight and hotel package?
Securing a DBQ to SUX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dubuque Regional Airport (DBQ) to Sioux Gateway Airport (SUX)?
If you reserved your DBQ to SUX 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 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dubuque Regional
Destination airport
Sioux Gateway
Distance
289 mi

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Dubuque to Sioux City Flights

The cheapest times to fly from Dubuque to Sioux City

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

 

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

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

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 Dubuque to Sioux City in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Dubuque to Sioux City 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 Dubuque to Sioux City 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.

 

Dubuque to Sioux City Flights

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*Available to One Key members.