$120 Cheap Flights from Eugene (EUG) to Denver (DEN)

View $120 flight on Tue, Sep 9, 2025Opens in a new window

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

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Cheap Flights from Eugene to Denver (EUG-DEN)

Prices were available within the past 7 days and start at $120 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Sep 24 - Mon, Oct 6
EUG
Eugene
DEN
Denver
$240 Roundtrip, found 1 hour ago
$240
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Wed, Sep 24 from Eugene to Denver, returning Mon, Oct 6, priced at $240 found 1 hour ago
Delta
Tue, Sep 23 - Wed, Oct 1
EUG
Eugene
DEN
Denver
$241 Roundtrip, found 1 hour ago
$241
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 23 from Eugene to Denver, returning Wed, Oct 1, priced at $241 found 1 hour ago
Alaska Airlines
Thu, Aug 14 - Thu, Aug 21
EUG
Eugene
DEN
Denver
$243 Roundtrip, found 6 days ago
$243
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Aug 14 from Eugene to Denver, returning Thu, Aug 21, priced at $243 found 6 days ago
Alaska Airlines
Wed, Sep 10 - Sat, Sep 13
EUG
Eugene
DEN
Denver
$246 Roundtrip, found 23 hours ago
$246
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Wed, Sep 10 from Eugene to Denver, returning Sat, Sep 13, priced at $246 found 23 hours ago
Alaska Airlines
Tue, Aug 12 - Sat, Aug 16
EUG
Eugene
DEN
Denver
$247 Roundtrip, found 6 days ago
$247
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Eugene to Denver, returning Sat, Aug 16, priced at $247 found 6 days ago
Alaska Airlines
Fri, Oct 17 - Sat, Oct 25
EUG
Eugene
DEN
Denver
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Oct 17 from Eugene to Denver, returning Sat, Oct 25, priced at $249 found 2 hours ago
Alaska Airlines
Sat, Oct 4 - Sat, Oct 18
EUG
Eugene
DEN
Denver
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 4 from Eugene to Denver, returning Sat, Oct 18, priced at $251 found 1 day ago
Delta
Thu, Dec 4 - Mon, Dec 8
EUG
Eugene
DEN
Denver
$251 Roundtrip, found 4 hours ago
$251
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Dec 4 from Eugene to Denver, returning Mon, Dec 8, priced at $251 found 4 hours ago
United
Tue, Sep 9 - Tue, Sep 16
EUG
Eugene
DEN
Denver
$253 Roundtrip, found 8 hours ago
$253
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Sep 9 from Eugene to Denver, returning Tue, Sep 16, priced at $253 found 8 hours ago
Southwest Airlines
Wed, Sep 10 - Sat, Sep 13
EUG
Eugene
DEN
Denver
$255 Roundtrip, found 23 hours ago
$255
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Wed, Sep 10 from Eugene to Denver, returning Sat, Sep 13, priced at $255 found 23 hours ago

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

September is typically the cheapest month to fly

From $172 - $374 per traveler.

Graph displaying average flight prices per month

Flights from Eugene (EUG) to Denver (DEN)
Origin airport
Eugene
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$234
Distance
994 mi
Average flight time
3 hours 34 mins

Eugene to Denver Flights

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

 

The best time to book a flight from Eugene to Denver

Sunday is one of the best days to book for cheap flights from Eugene 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 Eugene 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 Eugene to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 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 Eugene 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 Eugene 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 Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN) cost?
Cheap return flights from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN) start at $261. 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 EUG on July 16 2025 and touching down at DEN. The price was last updated on June 23 2025 and has not changed since.
What is the cheapest month to fly from EUG to DEN?
The cheapest flights from EUG to DEN 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 Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN)?
When departing from Mahlon Sweet Field Airport (EUG), you can hop on a nonstop flight to Denver Intl. Airport (DEN) with United Airlines.
What is the cheapest airline that flies from EUG to DEN?
Travel from EUG to DEN with Southwest Airlines. This carrier currently has the cheapest one-way fare for this route, starting at $131. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from EUG on September 2 2025. Prices were last updated on June 23 2025 and have not changed since.
How many flights per day from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN)?
Every day, an average of 2 nonstop flights operate from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN). Choose the departure date that best suits your travel plans.
What are the most popular departure times for flights from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN)?
More people fly between EUG and DEN at 1 PM than at any other point in the day. Rather skip the crowds? Try choosing a quieter departure window and you could save on your fare as well.
What day of the week has the most flights from EUG to DEN?
If you travel on a Friday, you'll get the greatest range of options for flights from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN).
What is the earliest flight from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN)?
The earliest flight taking off from Mahlon Sweet Field Airport (EUG) is at around 5:00AM UTC-8. Catch this flight and you'll reach Denver Intl. Airport (DEN) at approximately 8:38AM UTC-7. The total travel time is 2h 38m.
How long does it take to fly from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN)?
Typically, it takes 2 hours and 37 minutes to cover the 1,000 mi from EUG to DEN.
What airline has the least delays from EUG to DEN?
Consider traveling with Southwest Airlines if you'd like to fly straight from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN) without any delays. This carrier has the strongest track record for punctuality, with an on-time score of 97%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN) route, aim to travel before 3 PM. Departures after this hour 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.
What airports do you fly into for Denver from Mahlon Sweet Field Airport (EUG)?
Browse your flight options from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN). This is the only airport in Denver you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN) last-minute?
Waiting until just before your trip to book a flight from EUG to DEN generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book an EUG to DEN flight and hotel package?
You'll generally save money by booking an EUG to DEN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Mahlon Sweet Field Airport (EUG) to Denver Intl. Airport (DEN)?
If you reserved your EUG to DEN flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, 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 for further details.

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