Find cheap flights from Dubuque to Illinois

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dubuque to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dubuque to Illinois, as well as popular online travel agencies
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KAYAK's insights & trends for Dubuque to Illinois flights

Get data-powered insights and trends into flights from Dubuque to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Dubuque to Illinois flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Illinois from Dubuque found in the last 72 hours was to Chicago, at $198 round-trip. The most popular route is from Dubuque (DBQ) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $198.

What’s the cheapest day of the week to fly from Dubuque to Illinois?

The average price of all round-trip flights from Dubuque to Illinois clicked on KAYAK for each day over the last 12 months.

When flying from Dubuque to Illinois, you should consider leaving on a Thursday and avoid Tuesdays if you are looking for the best rates. For your return to Dubuque, you’ll find the best rates on Fridays and the most expensive ones on Mondays.

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FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Dubuque to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Dubuque to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Dubuque to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Dubuque to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Dubuque to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Dubuque to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Dubuque to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Dubuque to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $172 on average. Morning departures are around 38% more expensive than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $238.

Reviews of the top airline flying from Dubuque to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Dubuque to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dubuque to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Denver Air ConnectionOverall score based on 22 reviews
7.5Entertainment
8.0Food
9.0Crew
8.0Boarding
8.5Comfort
Airline reviews

Missed connection flight because denver air connections plane was delayed a broke

2.0 MediocreAdin, Jan 2026
ORD - MKG
Read more Denver Air Connection reviews

Missed connection flight because denver air connections plane was delayed a broke

The crew handed out candy snacks, and water, which was great. However, the airport and airline are terrible at flying. Multiple delays on our departure flight and on return flight it was delayed so long that we missed the connection flight and had to drive home. Terrible service and did not get any compensation. All of their equipment was broken and they never tested it before the plane landed. We were stuck in Ironwood Michigan for five hours.

Denver air is great flight times and connections a little rough

Communication with delays. Failed to make a connection I ng flight in Chicago.

Excellent, from check Iin to arrival. I was apprehensive about flying a small plane between Ironwood and Chicago, but the flight and service was great. I noticed, after boarding , that my cell phone had little battery left. The flight attendant kindly lent me a charging device to keep me connected with my contact in Chicago upon landing. I will always remember that kindness.

Great snacks and friendly people for check in at Pierre SD!

The connecting flight came in 45 min late but everything else was great

Absolutely easy travels and no cost cutting by the airline.

Their snacks and hospitality was amazing. They offered full sized snacks. Im talking full sized water bottles, full sized snickers bars, gold fish, full sized canned sodas, what ever you wanted they took care of it for FREE. The crew was really nice and hospitable. I was honestly shocked

Everything you need to know for your flight from Dubuque to Illinois

Information on your arrival and departure airports

Dubuque (DBQ)