In terms of precipitation, rainfall in Dubuque ranges from 1.2 - 4.4 inches per month. June is typically the wettest month, when rainfall can reach 4.4 in. January is typically the driest time to visit Dubuque when rainfall is around 1.2 in.

If weather is an important factor for your trip to Dubuque, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

What is the cheapest time of day to fly from FSD to DBQ?

When flying from Sioux Falls to Dubuque, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Sioux Falls-Dubuque flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Dubuque flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Dubuque flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sioux Falls-Dubuque flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Dubuque flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Sioux Falls to Dubuque that include hotel bookings?

Yes. In addition to deals on Sioux Falls to Dubuque flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sioux Falls to Dubuque?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Dubuque.

Can I find deals for business class flights from Sioux Falls to Dubuque?

Yes. Cheapflights offers flight deals from Sioux Falls to Dubuque by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$617+ Flights from Sioux Falls to Dubuque

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Cheap flight deals from Sioux Falls to Dubuque

One-way flights from Sioux Falls to Dubuque
Search for one-way flight options from Sioux Falls to Dubuque. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Fri 1/210:01 amFSD - DBQ

2 stops34h 39mMultiple Airlines

Deal found 12/25

$617

Find flight deals from Sioux Falls to Dubuque

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Dubuque flight deals.

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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Dubuque flights.

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Use the filters below to find and compare flights from Sioux Falls to Dubuque that are best for you.

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Sioux FallsDubuque

FSD - DBQ

FSDDBQ

Sioux Falls Joe Foss Field

Fri 1/2

10:01 am-8:40 pm

2 stops34h 39m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Compare providers for flights from Sioux Falls to Dubuque

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Dubuque in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Sioux Falls-Dubuque flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Dubuque flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Dubuque flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sioux Falls-Dubuque flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Dubuque flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Dubuque

Have a flexible travel schedule? Discover the best time to fly to Dubuque from Sioux Falls with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Sioux Falls to Dubuque that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Dubuque flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Dubuque?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Dubuque.
Can I find deals for business class flights from Sioux Falls to Dubuque?
Yes. Cheapflights offers flight deals from Sioux Falls to Dubuque by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$617+ Cheap flights from Sioux Falls to Dubuque (FSD - DBQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.