$125 Cheap Flights from Dayton (DAY) to Denver (DEN)

View $125 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)

Cheap Flights from Dayton to Denver (DAY-DEN)

Prices were available within the past 7 days and start at $125 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 30 - Mon, Nov 3
DAY
Dayton
DEN
Denver
$229 Roundtrip, found 2 hours ago
$229
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Oct 30 from Dayton to Denver, returning Mon, Nov 3, priced at $229 found 2 hours ago
United
Sat, Sep 13 - Mon, Sep 15
DAY
Dayton
DEN
Denver
$239 Roundtrip, found 2 hours ago
$239
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Sep 13 from Dayton to Denver, returning Mon, Sep 15, priced at $239 found 2 hours ago
Delta
Fri, Sep 12 - Sat, Sep 13
DAY
Dayton
DEN
Denver
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 12 from Dayton to Denver, returning Sat, Sep 13, priced at $243 found 1 day ago
United
Tue, Aug 26 - Sun, Aug 31
DAY
Dayton
DEN
Denver
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 26 from Dayton to Denver, returning Sun, Aug 31, priced at $244 found 3 days ago
Delta
Wed, Oct 8 - Tue, Oct 21
DAY
Dayton
DEN
Denver
$247 Roundtrip, found 3 days ago
$247
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 8 from Dayton to Denver, returning Tue, Oct 21, priced at $247 found 3 days ago
Delta
Fri, Sep 26 - Tue, Sep 30
DAY
Dayton
DEN
Denver
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Delta flight, departing Fri, Sep 26 from Dayton to Denver, returning Tue, Sep 30, priced at $249 just found
American Airlines
Thu, Oct 30 - Mon, Nov 3
DAY
Dayton
DEN
Denver
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Dayton to Denver, returning Mon, Nov 3, priced at $249 found 2 hours ago
United
Mon, Aug 25 - Mon, Sep 1
DAY
Dayton
DEN
Denver
$254 Roundtrip, found 5 hours ago
$254
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Aug 25 from Dayton to Denver, returning Mon, Sep 1, priced at $254 found 5 hours ago
Delta
Wed, Oct 15 - Tue, Oct 21
DAY
Dayton
DEN
Denver
$264 Roundtrip, found 2 hours ago
$264
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Oct 15 from Dayton to Denver, returning Tue, Oct 21, priced at $264 found 2 hours ago
Delta
Tue, Sep 2 - Tue, Sep 9
DAY
Dayton
DEN
Denver
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 2 from Dayton to Denver, returning Tue, Sep 9, priced at $269 found 3 days ago

Find the cheapest month to fly from Dayton (DAY) to Denver (DEN)

September is typically the cheapest month to fly

From $212 - $535 per traveler.

Graph displaying average flight prices per month

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 $264
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $264
Flights from Dayton (DAY) to Denver (DEN)
Origin airport
James M. Cox Dayton Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$229
Distance
1082 mi
Average flight time
3 hours 6 mins

Dayton to Denver Flights

The cheapest times to fly from Dayton 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 Dayton to Denver are during the month of October. You can find some of the cheapest flights from Dayton to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dayton to Denver

Sunday is one of the best days to book for cheap flights from Dayton 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 Dayton 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 Dayton to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 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 Dayton 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 Dayton 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 James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN) cost?
Snag a cheap one-way flight from $125 or cheap return flight from $229 from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
October is the most affordable month to fly from DAY to DEN. Avoiding peak travel times is often the key to finding better deals on flights.
Which airlines fly direct from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
When jetting out of James M. Cox Dayton Intl. Airport (DAY), you can hop on a nonstop flight to Denver Intl. Airport (DEN) with United Airlines.
What is the cheapest airline that flies from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from DAY to DEN. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
On average, there is just 1 direct flight leaving from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN) every day. If this doesn't work for you, consider flights with layovers. Just customize your search on Expedia to include one or more stops to discover the next best option.
What are the most popular departure times for flights from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
More travelers fly between DAY and DEN at 8 AM than at any other point in the day. Prefer a quieter experience? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from DAY to DEN?
If you travel on a Tuesday, you'll get the greatest range of choices for flights from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN).
What is the earliest flight from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
James M. Cox Dayton Intl. Airport (DAY)'s first flight to Denver Intl. Airport (DEN) is at approximately 8:30AM UTC-5. With a total journey time of 3h 37m, you'll arrive at around 10:07AM UTC-7.
How long does it take to fly from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
Flights from DAY to DEN have an average travel time of 3 hours and 37 minutes. The distance between the two is 1,100 mi.
What airline has the least delays from DAY to DEN?
United Airlines has the best track record for on-time direct flights from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN), with an on-time score of 83%. Use the Expedia App to check your journey status before you leave and get notified of any changes.
What is the best time to fly from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
To avoid possible delays on the James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN) route, travel before 3 PM. Departures after this time are 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.
What airports do you fly into for Denver from James M. Cox Dayton Intl. Airport (DAY)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from James M. Cox Dayton Intl. Airport (DAY). Explore the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN) last-minute?
Holding off until just before your trip to book your flight from DAY to DEN generally means paying more. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a DAY to DEN flight and hotel package?
Compared with arranging hotels and flights separately, booking a DAY to DEN flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Just pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from James M. Cox Dayton Intl. Airport (DAY) to Denver Intl. Airport (DEN)?
You can usually cancel or reschedule your DAY to DEN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.