$98 Cheap Flights from Denver (DEN) to Eugene (EUG)

View $98 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)

Cheap Flights from Denver to Eugene (DEN-EUG)

Prices were available within the past 7 days and start at $98 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Sep 9 - Tue, Sep 16
DEN
Denver
EUG
Eugene
$197 Roundtrip, found 3 hours ago
$197
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Denver to Eugene, returning Tue, Sep 16, priced at $197 found 3 hours ago
Delta
Mon, Aug 25 - Thu, Aug 28
DEN
Denver
EUG
Eugene
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Delta flight, departing Mon, Aug 25 from Denver to Eugene, returning Thu, Aug 28, priced at $197 just found
Southwest Airlines
Wed, Aug 6 - Wed, Aug 20
DEN
Denver
EUG
Eugene
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Aug 6 from Denver to Eugene, returning Wed, Aug 20, priced at $197 found 2 days ago
Southwest Airlines
Thu, Aug 28 - Tue, Sep 2
DEN
Denver
EUG
Eugene
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Aug 28 from Denver to Eugene, returning Tue, Sep 2, priced at $197 just found
United
Tue, Aug 12 - Wed, Aug 20
DEN
Denver
EUG
Eugene
$197 Roundtrip, found 4 hours ago
$197
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Aug 12 from Denver to Eugene, returning Wed, Aug 20, priced at $197 found 4 hours ago
Delta
Thu, Sep 18 - Mon, Sep 22
DEN
Denver
EUG
Eugene
$198 Roundtrip, found 10 hours ago
$198
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Sep 18 from Denver to Eugene, returning Mon, Sep 22, priced at $198 found 10 hours ago
United
Mon, Aug 4 - Wed, Aug 6
DEN
Denver
EUG
Eugene
$199 Roundtrip, found 17 hours ago
$199
Roundtrip
found 17 hours ago
Select United flight, departing Mon, Aug 4 from Denver to Eugene, returning Wed, Aug 6, priced at $199 found 17 hours ago
Hawaiian Airlines
Thu, Oct 16 - Thu, Oct 16
DEN
Denver
EUG
Eugene
$201 Roundtrip, found 2 days ago
$201
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Oct 16 from Denver to Eugene, returning Thu, Oct 16, priced at $201 found 2 days ago
Alaska Airlines
Mon, Aug 25 - Mon, Sep 1
DEN
Denver
EUG
Eugene
$206 Roundtrip, just found
$206
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Aug 25 from Denver to Eugene, returning Mon, Sep 1, priced at $206 just found
Southwest Airlines
Thu, Aug 28 - Tue, Sep 2
DEN
Denver
EUG
Eugene
$207 Roundtrip, just found
$207
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Aug 28 from Denver to Eugene, returning Tue, Sep 2, priced at $207 just found

Find the cheapest month to fly from Denver (DEN) to Eugene (EUG)

September is typically the cheapest month to fly

From $176 - $366 per traveler.

Graph displaying average flight prices per month

Flights from Denver (DEN) to Eugene (EUG)
Origin airport
Denver Intl.
Destination airport
Eugene
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$196
Distance
994 mi
Average flight time
1 hour 47 mins

Denver to Eugene Flights

The cheapest times to fly from Denver to Eugene

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

 

The best time to book a flight from Denver to Eugene

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

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 Denver to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $98 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 Denver to Eugene 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 Denver to Eugene 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 Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG) cost?
You'll find cheap return fares from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG) starting at $197. Snag a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving DEN on July 23 2025 and touching down at EUG. The price was last updated on June 29 2025 and has not changed since.
What is the cheapest month to fly from DEN to EUG?
The cheapest flights from DEN to EUG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)?
You can fly directly from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG) on a United Airlines flight.
What is the cheapest airline that flies from DEN to EUG?
With prices as low as $131 for a one-way flight from DEN to EUG, Southwest Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on August 26 2025. Prices were last updated on June 29 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)?
When taking off from Denver Intl. Airport (DEN), you'll have a choice from an average of 2 daily direct flights to Mahlon Sweet Field Airport (EUG).
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)?
More people fly between DEN and EUG at 11 AM than at any other point in the day. Rather skip the crowds? Try choosing a quieter departure window and it's possible you'll save on your ticket as well.
What day of the week has the most flights from DEN to EUG?
If you travel on a Monday, you'll get the largest range of choices for flights from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG).
What is the earliest flight from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)?
The first flight of the day out of Denver Intl. Airport (DEN) is at around 11:15AM UTC-7. Board this plane and you'll touch down at Mahlon Sweet Field Airport (EUG) at approximately 1:06PM UTC-8. The entire trip takes 2h 51m.
How long does it take to fly from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)?
The average flight time from DEN to EUG is 2 hours and 51 minutes, covering a total distance of 1,000 mi.
What airline has the least delays from DEN to EUG?
United Airlines has the best track record for on-time direct flights from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG), with an on-time score of 81%. Use the Expedia App to view your flight schedule before you leave and receive notifications about any changes.
What is the best time to fly from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)?
Book a flight from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time 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.
What airports do you fly into for Eugene from Denver Intl. Airport (DEN)?
Mahlon Sweet Field Airport (EUG) is the only airport in Eugene with direct flights from Denver Intl. Airport (DEN). Explore the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG) last-minute?
Last-minute bookings from DEN to EUG are typically more expensive. To lock in the cheapest rates, start looking for flights early. That said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book a DEN to EUG flight and hotel package?
You'll generally save money by booking a DEN to EUG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal flights and accommodations, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Mahlon Sweet Field Airport (EUG)?
In most instances, you're able to cancel or reschedule your DEN to EUG flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.