$159 Cheap Flights from Dayton (DAY) to Denver (DEN)

View $159 flight on Tue, Mar 31, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Dayton to Denver (DAY-DEN)

Prices were available within the past 7 days and start at $159 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 23 - Wed, Sep 30
DAY
Dayton
DEN
Denver
$229 Roundtrip, just found
$229
Roundtrip
just found
Select United flight, departing Wed, Sep 23 from Dayton to Denver, returning Wed, Sep 30, priced at $229 just found
United
Wed, Sep 23 - Wed, Sep 30
DAY
Dayton
DEN
Denver
$239 Roundtrip, just found
$239
Roundtrip
just found
Select United flight, departing Wed, Sep 23 from Dayton to Denver, returning Wed, Sep 30, priced at $239 just found
Delta
Fri, May 15 - Sat, May 16
DAY
Dayton
DEN
Denver
$243 Roundtrip, found 5 days ago
$243
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, May 15 from Dayton to Denver, returning Sat, May 16, priced at $243 found 5 days ago
United
Tue, Mar 24 - Tue, Mar 31
DAY
Dayton
DEN
Denver
$248 Roundtrip, found 22 hours ago
$248
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Mar 24 from Dayton to Denver, returning Tue, Mar 31, priced at $248 found 22 hours ago
American Airlines
Wed, Sep 23 - Wed, Sep 30
DAY
Dayton
DEN
Denver
$249 Roundtrip, just found
$249
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 23 from Dayton to Denver, returning Wed, Sep 30, priced at $249 just found
United
Wed, Sep 23 - Wed, Sep 30
DAY
Dayton
DEN
Denver
$257 Roundtrip, just found
$257
Roundtrip
just found
Select United flight, departing Wed, Sep 23 from Dayton to Denver, returning Wed, Sep 30, priced at $257 just found
United
Tue, Sep 22 - Tue, Sep 29
DAY
Dayton
DEN
Denver
$258 Roundtrip, just found
$258
Roundtrip
just found
Select United flight, departing Tue, Sep 22 from Dayton to Denver, returning Tue, Sep 29, priced at $258 just found
United
Thu, May 14 - Tue, May 19
DAY
Dayton
DEN
Denver
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 14 from Dayton to Denver, returning Tue, May 19, priced at $260 found 1 day ago
United
Wed, Jun 3 - Wed, Jun 10
DAY
Dayton
DEN
Denver
$261 Roundtrip, found 21 hours ago
$261
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Jun 3 from Dayton to Denver, returning Wed, Jun 10, priced at $261 found 21 hours ago
United
Wed, Apr 1 - Sun, Apr 5
DAY
Dayton
DEN
Denver
$262 Roundtrip, found 1 hour ago
$262
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Apr 1 from Dayton to Denver, returning Sun, Apr 5, priced at $262 found 1 hour ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

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

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

October is typically the cheapest month to fly

From $203 - $467 per traveler.

Frequently asked questions

How much does a flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $159 and cheap return flights from $229 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights typically cost between $243 and $752, and return flights often range between $359 and $1186. 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
January is the cheapest month to fly from Dayton, OH (DAY) to Denver, CO (DEN), with average return fares around $354. This price is about 18% lower than the average fare for the year, as January often has reduced travel demand following the holiday season. Other affordable months to fly from Dayton to Denver include September and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
United operates around 11 direct flights from DAY to DEN every week.
What is the cheapest airline that flies from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
United is one of the cheapest airlines offering nonstop flights from James M. Cox Dayton Intl. (DAY) to Denver Intl. (DEN), with round-trip tickets starting from around $229. 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Dayton, OH (DAY) to Denver, CO (DEN) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United also offers the most daily flights from Dayton to Denver, 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
For flights from Dayton, OH (DAY) to Denver, CO (DEN), January and November are the best months to travel, with average return flight prices around $354. These months provide a great combination of lower fares and manageable travel demand, allowing you to enjoy your trip without breaking the bank. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
On average, there are around 2 nonstop flights per day from James M. Cox Dayton Intl. (DAY) to Denver Intl. (DEN). For more options, look at flights that include layovers.
What is the earliest flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Dayton (DAY) to Denver (DEN) typically leaves at around 5:00 AM local time, operated by American Airlines. This is a seasonal service active in May, and an early departure can help you maximize your time in Denver. 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Dayton (DAY) to Denver (DEN) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including American Airlines and United, offer flights during this window. This timing works well because it lets you arrive in Denver with a full day ahead to explore.
How long does it take to fly from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
Direct flights from DAY to DEN usually take about 3 hours 30 minutes, traveling roughly 1,082 miles. If you opt for a connecting flight, expect to add around 4 hours 20 minutes to your journey. 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
Select the "Business class" and "First class" filters when looking for DAY to DEN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
A direct, return business class ticket from Dayton (DAY) to Denver (DEN) typically costs between $1,672 - $2,317 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver 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 Denver from James M. Cox Dayton Intl. (DAY)?
From James M. Cox Dayton Intl. (DAY), you can fly into Denver Intl. (DEN) to reach Denver. Some flights may connect through major hubs like Ronald Reagan Washington National (DCA), O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Denver. 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.) Denver 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 Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver Intl.)?
If you booked your Dayton, OH (DAY-James M. Cox Dayton Intl.) to Denver, CO (DEN-Denver 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
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 35 mins

Book with confidence

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 September. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $159 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.

 

Dayton to Denver Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.