A spacious airport terminal with high ceilings, check-in counters, and a Starbucks coffee shop.

Cheap Flights from Dubuque (DBQ) to Chicago (ORD)

Popular airlines from Dubuque, IA (DBQ-Dubuque Regional) to Chicago O'Hare Intl. Airport (ORD)

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What you need to know for your flight from Dubuque Regional to O'Hare Intl.

Dubuque (DBQ) to Chicago (ORD) at a glance

Travel from Dubuque (DBQ) to Chicago (ORD) with a full-service airline on this short domestic route. Discover the flight options that align with your schedule and plans as you delve into the iconic attractions and vibrant neighborhoods of Chicago. Here, you can find essential information about flights from Dubuque Regional Airport to O'Hare International Airport.

  • Fastest flight duration: around 1 hour non-stop
  • Route distance: roughly 150 miles (240 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $70–$190, depending on seasonality and how far ahead you book

Flights from Dubuque Regional Airport (DBQ) to O'Hare International Airport (ORD)

Based on recent traveler bookings, here are the top airlines preferred for non-stop flights from Dubuque to Chicago. These options allow you to customize your journey by balancing price, overall travel time, and cabin class to secure the best itinerary for your needs.

  • Key Lime DBA Denver Air Connection: This comprehensive airline provides non-stop flights, primarily dominating this route with one-way fares usually falling between $70 and $190. The complete travel time is approximately 1 hour.

Best time to fly from Dubuque (DBQ) to Chicago (ORD)

The most popular months for travelers flying from Dubuque to Chicago are May, June, and December, when peak temperatures in Chicago reach up to 67.3°F in June. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 25.7°F. For better deals, February usually offers the lowest average one-way fare around $95. Flight availability peaks in January, February, March, April, May, June, July, August, September, October, November, and December, with approximately 7 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $95, roughly 20% cheaper than the yearly average.
  • Another budget-friendly time to fly: March typically offers an average one-way fare of around $98.
  • Most flight options: January, February, March, April, May, June, July, August, September, October, November, and December have the highest number of flights from Dubuque to Chicago, with approximately 7 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.7°F (-3.5°C)Moderately Low7$113
February27.0°F (-2.8°C)Average7$95
March37.0°F (2.8°C)Average7$98
April46.0°F (7.8°C)Moderately Low7$115
May57.0°F (13.9°C)Moderately High7$112
June67.3°F (19.6°C)Moderately High7$121
July73.4°F (23.0°C)Average7$136
August73.0°F (22.8°C)Moderately Low7$127
September67.1°F (19.5°C)Average7$132
October54.9°F (12.7°C)Average7$128
November42.3°F (5.7°C)Average7$124
December33.1°F (0.6°C)Moderately High7$137

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to find the best prices for flights from Dubuque (DBQ) to Chicago (ORD)

Getting some of the best deals on flights from Dubuque to Chicago is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Afternoon departures from 12 PM to 6 PM often provide lower prices, while morning flights from 5 AM to 12 PM are the most sought after. Additionally, flying on Saturday typically costs less, although Thursday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at O'Hare International Airport from Dubuque Regional Airport

Chicago welcomes travelers from Dubuque with a range of transport options based on price, convenience, and proximity. Here's how to reach Chicago efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Chicago, with private rides that can be arranged in advance.
  • Car rental: Renting a car from O'Hare International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at O'Hare International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From O'Hare International Airport, O'Hare Station, a metro station, is located about 0.1 miles away on foot, while Rosemont Station, a train station, is situated approximately 2.2 miles from the airport and can be reached by car.

Frequently asked questions

How much does a flight from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights and cheap return flights Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. One-way flights usually range from $93 to $189, and return flights typically cost between $186 and $279. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest month to fly from DBQ to ORD is when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
Key Lime Air operates around 7 direct flights from DBQ to ORD every week.
What is the cheapest airline that flies from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
Key Lime Air is one of the cheapest airlines offering nonstop flights from Dubuque, IA (DBQ) to Chicago, IL (ORD), with round-trip tickets starting from around $186. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Dubuque, IA (DBQ) to Chicago, IL (ORD) will differ from traveler to traveler. If you like to fly early, Key Lime Air offers early morning flights. If price is the most important factor, Key Lime Air typically offers the lowest fares. Key Lime Air offers the most daily flights from DBQ to ORD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
There are approximately 1 nonstop flights per day from Dubuque Regional (DBQ) to O'Hare Intl. (ORD). For more options, look at flights that include layovers.
What is the earliest flight from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Dubuque Regional Airport (DBQ) to O'Hare International Airport (ORD) typically departs at around 6:00 AM local time, operated by Key Lime Air. This seasonal service is active in January, allowing you to get an early start on your trip to Chicago. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Dubuque (DBQ-Dubuque Regional) to Chicago (ORD-O'Hare Intl.) are in the early morning, from 6am to 9am. About 100% of passengers prefer this time window. Key Lime Air offers flights during this window. This timing is favored as it allows travelers to reach Chicago early in the day.
How long does it take to fly from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
Flying nonstop from DBQ to ORD takes around 1 hour, with the route covering approximately 146 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
Select the "Business class" and "First class" filters when looking for DBQ to ORD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago from Dubuque Regional (DBQ)?
From Dubuque Regional (DBQ), you can fly typically into O'Hare Intl. (ORD) to reach Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) Chicago Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Dubuque, IA (DBQ-Dubuque Regional) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dubuque Regional
Destination airport
O'Hare Intl.
Distance
146 mi

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Dubuque to Chicago Flights

The cheapest times to fly from Dubuque to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dubuque to Chicago are during the month of . You can find some of the cheapest flights from Dubuque to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dubuque to Chicago

Sunday is one of the best days to book for cheap flights from Dubuque to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dubuque to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dubuque to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dubuque to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dubuque to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dubuque to Chicago Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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