$165 Cheap Flights from Quincy (UIN) to Denver (DEN)

View $165 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Quincy, IL (UIN-Quincy Regional-Baldwin Field) to Denver Intl. Airport (DEN)

Cheap Flights from Quincy to Denver (UIN-DEN)

Prices were available within the past 7 days and start at $165 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Contour Airlines
Fri, Jan 9 - Wed, Jan 14
UIN
Quincy
DEN
Denver
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Fri, Jan 9 from Quincy to Denver, returning Wed, Jan 14, priced at $308 found 2 days ago
Contour Airlines
Thu, Jan 8 - Tue, Jan 13
UIN
Quincy
DEN
Denver
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Thu, Jan 8 from Quincy to Denver, returning Tue, Jan 13, priced at $316 found 2 days ago
Contour Airlines
Fri, Jan 9 - Wed, Jan 14
UIN
Quincy
DEN
Denver
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Fri, Jan 9 from Quincy to Denver, returning Wed, Jan 14, priced at $329 found 2 days ago
Contour Airlines
Wed, Jan 7 - Sat, Jan 17
UIN
Quincy
DEN
Denver
$330 Roundtrip, found 2 days ago
$330
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Wed, Jan 7 from Quincy to Denver, returning Sat, Jan 17, priced at $330 found 2 days ago
Contour Airlines
Mon, Feb 2 - Fri, Feb 20
UIN
Quincy
DEN
Denver
$333 Roundtrip, found 3 days ago
$333
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Mon, Feb 2 from Quincy to Denver, returning Fri, Feb 20, priced at $333 found 3 days ago
Contour Airlines
Wed, Feb 18 - Tue, Mar 3
UIN
Quincy
DEN
Denver
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Wed, Feb 18 from Quincy to Denver, returning Tue, Mar 3, priced at $339 found 3 days ago
Contour Airlines
Sun, Feb 15 - Tue, Mar 3
UIN
Quincy
DEN
Denver
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Sun, Feb 15 from Quincy to Denver, returning Tue, Mar 3, priced at $342 found 3 days ago
Contour Airlines
Sat, Feb 21 - Tue, Mar 3
UIN
Quincy
DEN
Denver
$348 Roundtrip, found 3 days ago
$348
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Sat, Feb 21 from Quincy to Denver, returning Tue, Mar 3, priced at $348 found 3 days ago
Contour Airlines
Fri, Jan 9 - Wed, Jan 14
UIN
Quincy
DEN
Denver
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Fri, Jan 9 from Quincy to Denver, returning Wed, Jan 14, priced at $349 found 2 days ago
Contour Airlines
Thu, Jan 8 - Tue, Jan 13
UIN
Quincy
DEN
Denver
$355 Roundtrip, found 2 days ago
$355
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Thu, Jan 8 from Quincy to Denver, returning Tue, Jan 13, priced at $355 found 2 days ago

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Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $428
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $428
Flights from Quincy (UIN) to Denver (DEN)
Origin airport
Quincy Regional-Baldwin Field
Destination airport
Denver Intl.
Roundtrip price
$308
Distance
713 mi

Quincy to Denver Flights

The cheapest times to fly from Quincy to Denver

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

 

The best time to book a flight from Quincy to Denver

Sunday is one of the best days to book for cheap flights from Quincy to Denver: 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 Quincy to Denver

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 Quincy to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $165 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 Quincy to Denver 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 Quincy to Denver 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.

 

Frequently asked questions

How much does a flight from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN) cost?
Snag a cheap one-way flight from $165 or cheap return flight from $308 from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN)?
Planning your getaway for January may help you find better deals, as it's the cheapest month for flights between UIN and DEN. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN)?
To find the cheapest airline that'll fly you from UIN to DEN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN)?
Direct flights from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from UIN to DEN?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN) last-minute?
Last-minute fares from UIN to DEN are typically more expensive. For the best rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book an UIN to DEN flight and hotel package?
Compared with arranging flights and hotels separately, booking an UIN to DEN flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Quincy Regional-Baldwin Field Airport (UIN) to Denver Intl. Airport (DEN)?
Typically, you're able to cancel or reschedule your UIN to DEN flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, visit our Customer Service portal.

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*Available to One Key members.