HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

Cheap flights from Dubuque (DBQ) to Illinois

DBQ — ORD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dubuque to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Dubuque to Illinois

Keep the following information in mind while searching for Dubuque to Illinois flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Good round-trip deal

$218 or less
Provider with most accurate pricing for Dubuque-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dubuque-Chicago (CHI) flights.
Search Deals
Price to beat on a round-trip flight from Dubuque to Illinois.
Search 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, October is the cheapest month in which you can book a flight from Dubuque to Illinois (average of $161). Flying from Dubuque to Illinois in April is currently the most expensive (average of $228). 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.

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 January 29, 2026.
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
8.0
Very good

Boarding

8.0

Food

8.0

Overall

8.0

Crew

9.0

Entertainment

7.5

Comfort

8.5
Denver Air Connection
8.0
Very good
Denver Air Connection
8.0
Very good

Boarding

8.0

Food

8.0

Overall

8.0

Crew

9.0

Entertainment

7.5

Comfort

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.

  • What are the cheapest flights from Dubuque to Illinois?

    On average you can expect to pay $238 for a flight from Dubuque to Illinois. The cheapest flight overall is $198 while the most popular route, (Dubuque - Chicago O'Hare Intl) is currently priced at $319.

  • 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, October is the cheapest month in which you can book a flight from Dubuque to Illinois (average of $161). Flying from Dubuque to Illinois in April is currently the most expensive (average of $228). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dubuque to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Des Moines to Sky Harbor Intl flights
Cedar Rapids to Denver flights
Cedar Rapids to Sky Harbor Intl flights
Omaha to Sky Harbor Intl flights
Omaha to Orlando flights
Omaha to Atlanta flights
Des Moines to Denver flights
Omaha to Denver flights
Omaha to Las Vegas flights
Des Moines to Orlando flights
Omaha to Dallas/Fort Worth flights
Des Moines to Las Vegas flights
Des Moines to Dallas/Fort Worth flights
Omaha to Miami flights
Cedar Rapids to Las Vegas flights
Omaha to Hobby flights
Cedar Rapids to Orlando flights
Omaha to Los Angeles flights
Des Moines to Miami flights
Omaha to O'Hare Intl flights
Omaha to Seattle flights
Omaha to LaGuardia flights
Des Moines to LaGuardia flights
Omaha to Reagan-National flights
Cedar Rapids to Fort Myers flights
Omaha to San Francisco flights
Des Moines to Los Angeles flights
Des Moines to Hobby flights
Omaha to George Bush Intcntl flights
Des Moines to Tampa flights
Cedar Rapids to Dallas/Fort Worth flights
Omaha to John F Kennedy Intl flights
Cedar Rapids to Miami flights
Des Moines to John F Kennedy Intl flights
Omaha to Fort Lauderdale flights
Moline to Sky Harbor Intl flights
Cedar Rapids to Tampa flights
Des Moines to Fort Lauderdale flights
Moline to Orlando flights
Des Moines to George Bush Intcntl flights
Moline to Tampa flights
Omaha to Tampa flights
Moline to Fort Myers flights
Moline to Denver flights
Omaha to Newark flights
Omaha to San Diego flights
Omaha to Dulles Intl flights
Omaha to Love Field flights
Des Moines to Reagan-National flights
Des Moines to Charlotte flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Denver Air ConnectionCheapest$129Average$198FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.