$112 Cheap Flights from Denver (DEN) to Eugene (EUG)

View $112 flight on Fri, Mar 13, 2026Opens in a new window

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

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Cheap Flights from Denver to Eugene (DEN-EUG)

Prices were available within the past 7 days and start at $112 for one-way flights and $203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Mar 13 - Sun, Mar 15
DEN
Denver
EUG
Eugene
$203 Roundtrip, just found
$203
Roundtrip
just found
Select Delta flight, departing Fri, Mar 13 from Denver to Eugene, returning Sun, Mar 15, priced at $203 just found
Alaska Airlines
Sat, Apr 4 - Sat, Apr 11
DEN
Denver
EUG
Eugene
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Apr 4 from Denver to Eugene, returning Sat, Apr 11, priced at $217 found 2 days ago
Delta
Mon, Mar 16 - Tue, Mar 17
DEN
Denver
EUG
Eugene
$223 Roundtrip, found 1 hour ago
$223
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Mar 16 from Denver to Eugene, returning Tue, Mar 17, priced at $223 found 1 hour ago
Delta
Tue, Apr 14 - Sun, Apr 19
DEN
Denver
EUG
Eugene
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Apr 14 from Denver to Eugene, returning Sun, Apr 19, priced at $228 found 1 hour ago
Alaska Airlines
Wed, Apr 1 - Sun, Apr 5
DEN
Denver
EUG
Eugene
$234 Roundtrip, just found
$234
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Apr 1 from Denver to Eugene, returning Sun, Apr 5, priced at $234 just found
Alaska Airlines
Tue, Apr 14 - Sun, Apr 19
DEN
Denver
EUG
Eugene
$235 Roundtrip, found 1 hour ago
$235
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Apr 14 from Denver to Eugene, returning Sun, Apr 19, priced at $235 found 1 hour ago
Hawaiian Airlines
Wed, Mar 4 - Tue, Mar 10
DEN
Denver
EUG
Eugene
$237 Roundtrip, found 5 hours ago
$237
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Wed, Mar 4 from Denver to Eugene, returning Tue, Mar 10, priced at $237 found 5 hours ago
Southwest Airlines
Thu, May 7 - Tue, May 12
DEN
Denver
EUG
Eugene
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, May 7 from Denver to Eugene, returning Tue, May 12, priced at $237 found 6 days ago
Alaska Airlines
Mon, Apr 20 - Tue, Apr 28
DEN
Denver
EUG
Eugene
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Apr 20 from Denver to Eugene, returning Tue, Apr 28, priced at $241 found 2 days ago
United
Wed, Mar 25 - Tue, Mar 31
DEN
Denver
EUG
Eugene
$277 Roundtrip, found 3 hours ago
$277
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Mar 25 from Denver to Eugene, returning Tue, Mar 31, priced at $277 found 3 hours ago

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Alternative airports near Eugene

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

Select flight to Mahlon Sweet Field EUG. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $408
EUG
Mahlon Sweet Field
CheapestClosest
Average driving time to city center14 min
Flights from $408

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

October is typically the cheapest month to fly

From $149 - $318 per traveler.
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
$202
Distance
994 mi
Average flight time
1 hour 49 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 March. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $112 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, CO (DEN-Denver Intl.) to Eugene, OR (EUG) cost?
You can find cheap one-way flights from $112 and cheap return flights from $203 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) with Expedia. One-way flights generally range between $166 and $821, and roundtrip flights usually range from $310 to $1074. 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
September is the cheapest month to fly from Denver, CO (DEN) to Eugene, OR (EUG), with average round-trip fares around $299. This price is about 14% lower than the average throughout the year, as September often sees a decrease in travel demand after the summer peak. Other affordable months to fly from Denver to Eugene include February and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
United offers around 16 weekly direct flights from DEN to EUG.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
United is one of the cheapest airlines offering nonstop flights from Denver Intl. (DEN) to Eugene (EUG), with round-trip tickets starting from around $467. 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG), 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
The best airline to fly with from Denver, CO (DEN) to Eugene, OR (EUG) 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. Alaska Airlines offers the most daily flights from DEN to EUG, 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
For flights from Denver, CO (DEN) to Eugene, OR (EUG), September and August are the best months to fly. September offers return flights at around $299, while August is also a popular time to travel. These months strike a good balance between price and travel experience, making them ideal for your journey.*Prices based on flights available on Expedia in the last year.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
There are approximately 4 nonstop flights per day from Denver Intl. (DEN) to Mahlon Sweet Field (EUG). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
The earliest flight from Denver International Airport (DEN) to Mahlon Sweet Field (EUG) usually departs at around 12:55 AM, with United and Alaska Airlines providing service. This seasonal flight is available in November, giving you an early start to your trip to Eugene. 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
The most popular departure times for flights from Denver (DEN) to Eugene (EUG) are typically between 12pm and 3pm. About 25% of passengers prefer this time window. Airlines like Southwest and Alaska Airlines operate flights during this period. This timing works well for travelers looking to enjoy their morning in Denver before heading to the airport.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
Direct flights from DEN to EUG usually take about 2 hours 50 minutes, traveling roughly 994 miles. If you opt for a connecting flight, expect to add around 2 hours 40 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
You can fly first class between DEN and EUG. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
A direct, return business class ticket from Denver (DEN) to Eugene (EUG) typically costs between $821 - $1,043. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) 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 Eugene from Denver Intl. (DEN)?
From Denver Intl. (DEN), you can fly into Mahlon Sweet Field (EUG) to reach Eugene. Some flights may connect through major hubs like San Diego Intl. (SAN), Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX) before reaching Eugene. 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) Eugene 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 Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG)?
If you booked your Denver, CO (DEN-Denver Intl.) to Eugene, OR (EUG) 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.

*Flight schedules are subject to change.

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*Available to One Key members.