$224 Cheap Flights from Houston (IAH) to Dubuque (DBQ)

View $224 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Dubuque, IA (DBQ-Dubuque Regional)

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Cheap Flights from Houston to Dubuque (IAH-DBQ)

Prices were available within the past 7 days and start at $224 for one-way flights and $456 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Dec 25 - Wed, Dec 31
IAH
Houston
DBQ
Dubuque
$456 Roundtrip, found 3 days ago
$456
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 25 from Houston to Dubuque, returning Wed, Dec 31, priced at $456 found 3 days ago
Delta
Fri, Nov 21 - Mon, Nov 24
IAH
Houston
DBQ
Dubuque
$515 Roundtrip, found 2 days ago
$515
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 21 from Houston to Dubuque, returning Mon, Nov 24, priced at $515 found 2 days ago
United
Tue, Dec 2 - Sun, Feb 15
IAH
Houston
DBQ
Dubuque
$519 Roundtrip, found 6 days ago
$519
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 2 from Houston to Dubuque, returning Sun, Feb 15, priced at $519 found 6 days ago
United
Tue, Dec 30 - Wed, Dec 31
IAH
Houston
DBQ
Dubuque
$525 Roundtrip, found 3 days ago
$525
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 30 from Houston to Dubuque, returning Wed, Dec 31, priced at $525 found 3 days ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
IAH
Houston
DBQ
Dubuque
$531 Roundtrip, found 3 days ago
$531
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 29 from Houston to Dubuque, returning Wed, Nov 5, priced at $531 found 3 days ago
United
Fri, Oct 31 - Sat, Nov 15
IAH
Houston
DBQ
Dubuque
$534 Roundtrip, found 5 days ago
$534
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 31 from Houston to Dubuque, returning Sat, Nov 15, priced at $534 found 5 days ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
IAH
Houston
DBQ
Dubuque
$535 Roundtrip, found 4 days ago
$535
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 29 from Houston to Dubuque, returning Wed, Nov 5, priced at $535 found 4 days ago
American Airlines
Sat, Nov 1 - Sun, Nov 2
IAH
Houston
DBQ
Dubuque
$540 Roundtrip, found 3 days ago
$540
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 1 from Houston to Dubuque, returning Sun, Nov 2, priced at $540 found 3 days ago
United
Mon, Nov 24 - Sun, Dec 7
IAH
Houston
DBQ
Dubuque
$541 Roundtrip, found 6 days ago
$541
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 24 from Houston to Dubuque, returning Sun, Dec 7, priced at $541 found 6 days ago
American Airlines
Tue, Oct 28 - Wed, Oct 29
IAH
Houston
DBQ
Dubuque
$546 Roundtrip, found 3 days ago
$546
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 28 from Houston to Dubuque, returning Wed, Oct 29, priced at $546 found 3 days ago

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ) cost?
Grab a cheap one-way flight from $224 or cheap return flight from $456 from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ)?
December is the most affordable month to fly from IAH to DBQ. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAH to DBQ. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ)?
There are no daily direct flights from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from IAH to DBQ?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ)?
Book a flight from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ) last-minute?
Booking your ticket from IAH to DBQ just before your trip is typically more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an IAH to DBQ flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAH to DBQ flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Dubuque Regional Airport (DBQ)?
Typically, you can modify or cancel your IAH to DBQ flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Dubuque Regional
Roundtrip price
$456
Distance
895 mi

Book with confidence

Houston to Dubuque Flights

The cheapest times to fly from Houston to Dubuque

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 Houston to Dubuque are during the month of December. You can find some of the cheapest flights from Houston to Dubuque with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Dubuque

Sunday is one of the best days to book for cheap flights from Houston to Dubuque: 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 Houston to Dubuque

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 Houston to Dubuque in 2025. You can also book with separate airlines for your outbound and return journeys, from $224 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 Houston to Dubuque 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 Houston to Dubuque 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.

 

Houston to Dubuque Flights

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*Available to One Key members.