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$101+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
DBQ — ORD
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 agosto 14, 2025.

Round-trip from

$202
(KAYAK)

One-way from

$101
(Booking.com)

Good one-way deal

$104 or less
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 agosto 14, 2025.

This KAYAK deal was found by Cheapflights users on 8/13. 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.
jue. 9/117:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
jue. 9/185:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/13$202
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/107:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
sáb. 9/205:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/14$209
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/37:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
jue. 9/45:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/13$210
This Denver Air Connection deal was found by Cheapflights users on 8/14. 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.
jue. 11/67:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
dom. 11/95:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/14$218
This KAYAK deal was found by Cheapflights users on 8/14. 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.
jue. 9/47:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
vie. 9/195:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/14$222
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/287:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
lun. 9/15:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/13$249
This Denver Air Connection deal was found by Cheapflights users on 8/14. 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.
vie. 8/297:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
mar. 9/25:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/14$259
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/207:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
dom. 8/245:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/13$289
This KAYAK deal was found by Cheapflights users on 8/14. 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.
lun. 8/187:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
mié. 8/205:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/14$323
This Denver Air Connection deal was found by Cheapflights users on 8/13. 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.
mar. 8/197:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
mar. 8/195:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/13$339
This KAYAK deal was found by Cheapflights users on 8/12. 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.
jue. 8/147:50 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
sáb. 8/165:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 8/12$342

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 agosto 14, 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

jue. 9/11

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

jue. 9/18

5:00 pm-5:55 pm

Nonstop0h 55m

$202

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

vie. 10/10

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

dom. 10/12

5:00 pm-5:55 pm

Nonstop0h 55m

$202

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

mié. 9/10

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

sáb. 9/20

5:00 pm-5:55 pm

Nonstop0h 55m

$209

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

sáb. 9/13

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

sáb. 9/20

5:00 pm-5:55 pm

Nonstop0h 55m

$209

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

mié. 9/3

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

jue. 9/4

5:00 pm-5:55 pm

Nonstop0h 55m

$210

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

jue. 11/6

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

dom. 11/9

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

mar. 9/9

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

mar. 9/16

5:00 pm-5:55 pm

Nonstop0h 55m

$218

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

jue. 9/4

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

vie. 9/19

5:00 pm-5:55 pm

Nonstop0h 55m

$222

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

jue. 8/28

7:50 am-8:55 am

Nonstop1h 05m

Chicago O'Hare Intl

lun. 9/1

5:00 pm-5:55 pm

Nonstop0h 55m

$249

DubuqueChicago

DBQ - ORD

DBQORD

Dubuque

dom. 10/19

7:50 am-8:55 am

Nonstop1h 05m

$101

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 13 results
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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, August is the cheapest month in which you can book a flight from Dubuque to Illinois (average of $245). Flying from Dubuque to Illinois in March is currently the most expensive (average of $321). 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 agosto 14, 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 agosto 14, 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).

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.

  • What are the cheapest flights from Dubuque to Illinois?

    On average you can expect to pay $129 for a flight from Dubuque to Illinois. The cheapest flight overall is $101 while the most popular route, (Dubuque - Chicago O'Hare Intl) is currently priced at $202.

  • 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, August is the cheapest month in which you can book a flight from Dubuque to Illinois (average of $245). Flying from Dubuque to Illinois in March is currently the most expensive (average of $321). 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.

See more FAQs

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Alternative routes for Dubuque to Illinois

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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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Denver Air ConnectionCheapest$129Average$171FlexibilityNo cancel feeOn-timeN/A

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