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Cheap flights from Dubuque to Illinois from $101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dubuque to Illinois departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Dubuque to Illinois

Cheap round-trip flights

Denver Air Connection Logo
7:50 am - 8:55 amDBQ-ORD
1h 05mnonstop
Denver Air Connection Logo
5:00 pm - 5:55 pmORD-DBQ
0h 55mnonstop
$202Denver Air Connection
Find Deal
Fri, Aug 29 - Mon, Sep 1
Denver Air Connection Logo
7:50 am - 8:55 amDBQ-ORD
1h 05mnonstop
Denver Air Connection Logo
5:00 pm - 5:55 pmORD-DBQ
0h 55mnonstop
$209Denver Air Connection
Find Deal
Fri, Sep 12 - Fri, Sep 19
Denver Air Connection Logo
7:50 am - 8:55 amDBQ-ORD
1h 05mnonstop
Denver Air Connection Logo
5:00 pm - 5:55 pmORD-DBQ
0h 55mnonstop
$218Denver Air Connection
Find Deal
Thu, Nov 6 - Sun, Nov 9
Denver Air Connection Logo
7:50 am - 8:55 amDBQ-ORD
1h 05mnonstop
Denver Air Connection Logo
5:00 pm - 5:55 pmORD-DBQ
0h 55mnonstop
$230Denver Air Connection
Find Deal
Fri, Aug 22 - Sun, Aug 24
Denver Air Connection Logo
7:50 am - 8:55 amDBQ-ORD
1h 05mnonstop
Denver Air Connection Logo
5:00 pm - 5:55 pmORD-DBQ
0h 55mnonstop
$249Denver Air Connection
Find Deal
Mon, Aug 18 - Fri, Aug 22
Denver Air Connection Logo
7:50 am - 8:55 amDBQ-ORD
1h 05mnonstop
Denver Air Connection Logo
5:00 pm - 5:55 pmORD-DBQ
0h 55mnonstop
$289Denver Air Connection
Find Deal
Sat, Aug 16 - Sun, Aug 17

Denver Air Connection flights from Dubuque to Illinois

Our best Denver Air Connection deals on Dubuque to Illinois flight tickets
Denver Air Connection
Aug 29
DBQ7:50 amDubuque
1h 05m
ORD8:55 amChicago O'Hare Intl
Sep 1
ORD5:00 pmChicago O'Hare Intl
0h 55m
DBQ5:55 pmDubuque
$202
Find similar
Denver Air Connection
Sep 12
DBQ7:50 amDubuque
1h 05m
ORD8:55 amChicago O'Hare Intl
Sep 19
ORD5:00 pmChicago O'Hare Intl
0h 55m
DBQ5:55 pmDubuque
$209
Find similar
Denver Air Connection
Nov 6
DBQ7:50 amDubuque
1h 05m
ORD8:55 amChicago O'Hare Intl
Nov 9
ORD5:00 pmChicago O'Hare Intl
0h 55m
DBQ5:55 pmDubuque
$218
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dubuque to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from Dubuque to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Fri 8/29

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

Mon 9/1

5:00 pm-5:55 pm

Nonstop0h 55m

$202

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Fri 9/12

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

Fri 9/19

5:00 pm-5:55 pm

Nonstop0h 55m

$209

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Thu 11/6

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

Sun 11/9

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Fri 8/22

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

Sun 8/24

5:00 pm-5:55 pm

Nonstop0h 55m

$230

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Mon 8/18

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

Fri 8/22

5:00 pm-5:55 pm

Nonstop0h 55m

$249

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Sat 8/16

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

Sun 8/17

5:00 pm-5:55 pm

Nonstop0h 55m

$289

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Thu 9/4

7:50 am-8:55 am

Nonstop1h 05m

$101

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Sat 8/23

7:50 am-8:55 am

Nonstop1h 05m

$135

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Illinois from

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

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 Wednesday will generally be more expensive and average around $218. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 are 1 cabin classes 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

$101

Fastest flight time

1h 05m

Direct flights

Tue, Fri, Sat and Sun

Airports in Illinois

1 airport
The best one-way flight to Illinois from Dubuque in the past 72 hours is $101. The best round-trip flight deal from Dubuque to Illinois found on momondo in the last 72 hours is $202.
The fastest flight from Dubuque to Illinois takes 1h 05m
Direct flights go from Dubuque to Illinois on Tuesday, Friday, Saturday and Sunday. The only airline offering direct flights is Denver Air Connection.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
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  • 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?

  • 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?

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 ConnectionPriceFrom $129Free CancellationRating
8.8
14 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.

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