What airlines fly to Illinois?

United Airlines, American Airlines and Denver Air Connection are the top three most popular airlines that fly to Illinois from Dubuque according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Dubuque Airport to Illinois?

Prices for flights from Dubuque Airport to Illinois refresh daily.

How many operators does momondo search for flights from Dubuque Airport to Illinois?

There is 1 operator available for flights from Dubuque Airport to Illinois as of February 2026.

How old do you have to be to fly from Dubuque Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dubuque Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$319 Cheap Flights from Dubuque to Illinois in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

How to get the cheapest flight ticket from Dubuque to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Dubuque to Illinois is on a Thursday when prices can be found for as low as $142. Flights from Dubuque to Illinois on a Tuesday will generally be more expensive and average around $238. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Dubuque to Illinois during this time can be as low as $172. Flights in the morning are often more expensive with an average ticket price of $238.

What is the cheapest Dubuque to Illinois flight route?

Fly from Dubuque to Chicago O'Hare Intl for the best Dubuque - Illinois flight prices

What cabin class options are available on Dubuque to Illinois flights?

There is only 1 cabin class available to choose from on Dubuque to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Dubuque to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dubuque to Illinois

Best Price Found	$218
Fastest flight time	0h 50m
Direct flights	None

The best flight deal from Dubuque to Illinois found on momondo in the last 72 hours is $218

The fastest flight from Dubuque to Illinois takes 0h 50m

There are no direct flights from Dubuque to Illinois. There are no popular flight routes from Dubuque to Illinois.

Search flight deals

When did momondo last update prices for flights from Dubuque Airport to Illinois?
Prices for flights from Dubuque Airport to Illinois refresh daily.
How many operators does momondo search for flights from Dubuque Airport to Illinois?
There is 1 operator available for flights from Dubuque Airport to Illinois as of February 2026.
How old do you have to be to fly from Dubuque Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dubuque Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dubuque to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Dubuque to Illinois is Embraer ERJ-145, representing 30.00% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet at 10.00%, Embraer 175 (Enhanced Winglets) at 10.00%, and Boeing 737-700 at 10.00%.

Best airlines flying from Dubuque to Illinois

Compare and see reviews for airlines that fly from Dubuque to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Denver Air Connection	PriceFrom $129	Free Cancellation	Rating 8.0 22 reviews		Search Denver Air Connection flights

Why use momondo?

Why should I use momondo to find a flight deal from Dubuque to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dubuque to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from Dubuque to Illinois with flexible booking policies on momondo?

Flights from Dubuque to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Dubuque to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Dubuque.

I’m not ready to book a flight from Dubuque to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dubuque to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.