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$109+ Cheap flights from Dubuque (DBQ) to Illinois

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
DBQ — ORD
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Cheap flight deals from Dubuque to Illinois

Keep the following information in mind while searching for Dubuque to Illinois flight deals. Data was last updated October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$199
(KAYAK)

One-way from

$109
(Expedia)

Good one-way deal

$149 or less
Provider with most accurate pricing for Dubuque-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Dubuque-Chicago (CHI) flights.
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From Dubuque to Illinois
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One-way flight from Dubuque to Illinois
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Price to beat on a one-way flight from Dubuque to Illinois.
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Find flight deals from Dubuque to Illinois

Cheapest flights from Dubuque to Illinois
Explore the most affordable flight options available from Dubuque to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

This KAYAK deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:15 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Thu 11/65:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/8$199
This Mytrip deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:15 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Tue 11/115:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/9$212
This Denver Air Connection deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:15 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Sun 11/95:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/8$218
This Denver Air Connection deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:15 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Wed 11/55:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/8$238
This Gotogate deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:15 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Sun 11/305:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/9$257
This Gotogate deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Mon 10/275:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/9$258
This Denver Air Connection deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Tue 10/285:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/8$259
This Priceline deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Thu 10/235:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/8$298
This KAYAK deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Thu 10/235:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/9$299
This KAYAK deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Wed 10/155:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/9$320
This FlightHub deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Sun 10/125:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/7$338
This FlightHub deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Sat 10/115:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 10/7$358

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 10, 2025.
Use the filters below to find and compare flights from Dubuque to Illinois that are best for you.

Fly from

Dubuque

Fly to

Illinois

Route

Depart

Return

Price

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Tue 11/4

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Thu 11/6

5:00 pm-5:55 pm

Nonstop0h 55m

$199

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Thu 11/6

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Sat 11/8

5:00 pm-5:55 pm

Nonstop0h 55m

$199

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Tue 11/4

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Tue 11/11

5:00 pm-5:55 pm

Nonstop0h 55m

$212

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Fri 11/7

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Fri 11/14

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Thu 11/6

7:15 am-8:20 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 12/12

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Sat 1/10

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Thu 12/4

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Sun 12/7

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Wed 11/26

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Sun 11/30

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Wed 1/7

7:15 am-8:20 am

Nonstop1h 05m

Chicago O'Hare Intl

Wed 1/14

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

Tue 11/11

7:15 am-8:20 am

Nonstop1h 05m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 13 results
1
2

Best time to book a flight from Dubuque to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Dubuque 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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Dubuque to Illinois?

Currently, February is the cheapest month in which you can book a flight from Dubuque to Illinois (average of $94). Flying from Dubuque to Illinois in June is currently the most expensive (average of $179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Dubuque to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 10, 2025.

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

Weekly flight availability from Dubuque to Illinois

Explore weekly flight availability from Dubuque to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 10, 2025.

The most flights from DBQ to USIL are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Dubuque to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated October 10, 2025.
See what other customers who have flown with Denver Air Connection from Dubuque to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
9.1
Wonderful

Entertainment

8.2

Crew

9.5

Overall

9.1

Comfort

9.1

Boarding

9.1

Food

8.5
Denver Air Connection
9.1
Wonderful
Denver Air Connection
9.1
Wonderful

Entertainment

8.2

Crew

9.5

Overall

9.1

Comfort

9.1

Boarding

9.1

Food

8.5

Related info for your journey

Find useful and relevant information for your journey from Dubuque to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dubuque to Illinois?

    Located just 7.1 mi from the city center, Dubuque (DBQ) is the airport most travelers will use when flying to Illinois from Dubuque.

  • How long is the flight from Dubuque to Illinois?

    Airlines like Denver Air Connection fly from Dubuque to Illinois in about 1h 05m. The time it takes to get you to your destination is usually consistent. Dubuque and Illinois are separated by a distance of 146 mi. All flights are typically nonstop.

  • What are the cheapest flights from Dubuque to Illinois?

    On average you can expect to pay $169 for a flight from Dubuque to Illinois. The cheapest flight overall is $149 while the most popular route, (Dubuque - Chicago O'Hare Intl) is currently priced at $199.

  • Can I find deals for flights from Dubuque to Illinois that include hotel bookings?

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

  • How can I find direct flights from Dubuque to Illinois?

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

  • Can I find deals for business class flights from Dubuque to Illinois?

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

  • What is the cheapest month to book a flight from Dubuque to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Dubuque to Illinois (average of $94). Flying from Dubuque to Illinois in June is currently the most expensive (average of $179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Dubuque to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dubuque to Illinois

Discover the top airline that operate flights from Dubuque to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Denver Air ConnectionCheapest$129Average$172FlexibilityNo cancel feeOn-timeN/A

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