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$114 Cheap Flights from Eugene (EUG) to Denver (DEN)

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 $114 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Southwest Airlines
Southwest Airlines
United
Southwest Airlines
Southwest Airlines
United
American Airlines
Delta
Alaska Airlines

What you need to know for your flight from Eugene to Denver Intl.

Eugene (EUG) to Denver (DEN) at a glance

Experience a range of airlines offering flights from Eugene (EUG) to Denver (DEN) on this short domestic route. Choose from both full-service and budget-friendly carriers to find the best options that align with your travel needs, schedule, and budget. Whether you're seeking the quickest flight time or planning to explore Denver's iconic attractions and neighborhoods, key details about weekly flights and itineraries from Eugene to Denver are available to assist you in your planning.

  • Fastest flight duration: around 2h 30m non-stop
  • Route distance: roughly 1,000 miles (1,610 km)
  • Flights per week: around 15+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $105–$380, depending on seasonality and how far ahead you book

Flights from Eugene Airport (EUG) to Denver International Airport (DEN)

According to recent traveler bookings, here are the top airlines flying from Eugene to Denver, featuring both non-stop and one-stop flight options. Popular layover locations include Seattle-Tacoma International Airport (SEA) with approximately a 1-hour layover, Portland International Airport (PDX) with about 45 minutes, and Salt Lake City International Airport (SLC) with roughly a 1 hour and 30 minutes layover. This variety allows you to mix and match price, total travel time, and cabin class to discover the best itinerary for your journey.

  • United: This full-service airline provides both non-stop and one-stop options, with one-way fares generally falling between $115 and $430. United operates around 58% of the flights on this route, and you can expect a typical non-stop travel time of about 2 hours and 30 minutes.
  • Southwest Airlines: Known for its budget-friendly fares, this low-cost carrier offers non-stop and one-stop services, with one-way prices typically ranging from $105 to $395. Southwest Airlines accounts for roughly 22% of departures along this route, with non-stop flights also taking around 2 hours and 30 minutes.
  • Alaska Airlines: As a full-service carrier, Alaska Airlines provides one-stop service, with one-way fares usually between $110 and $375. It represents about 10% of departures for this route, featuring an in-flight duration of 4 hours and a total travel time of approximately 5 hours, including layover time.
  • Delta: Another full-service option, Delta offers one-stop flights with one-way fares typically ranging from $105 to $405. It comprises around 9% of the departures on this route, with an in-flight time of 4 hours and a total journey duration of about 5 hours, factoring in layovers.
  • American Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally between $125 and $565. It accounts for approximately 1% of the departures on this route, featuring an in-flight time of 4 hours and a total journey time of around 5 hours when including a layover.

Travelers on the Eugene to Denver route can opt to upgrade their flight, with United providing first-class service to enhance their journey.

Best time to fly from Eugene (EUG) to Denver (DEN)

The most popular months for travelers flying from Eugene to Denver are March, April, and September, when peak temperatures in Denver reach up to 65.1°F in September. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 54°F. For better deals, September usually offers the lowest average one-way fare around $173. Flight availability peaks in June, July, September, November, and December, with approximately 18 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 10 flights per week.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $173, roughly 19% cheaper than the yearly average.
  • Another budget-friendly time to fly: October typically offers an average one-way fare of around $190.
  • Most flight options: June, July, September, November, and December have the highest number of flights from Eugene to Denver, with approximately 18 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January28.4°F (-2.0°C)Slightly Low10$208
February28.6°F (-1.9°C)Average12$191
March38.5°F (3.6°C)Slightly High15$235
April45.3°F (7.4°C)Slightly High14$212
May54.0°F (12.2°C)Slightly Low16$202
June66.9°F (19.4°C)Average18$230
July72.1°F (22.3°C)Average18$219
August71.2°F (21.8°C)Average17$207
September65.1°F (18.4°C)Slightly High18$173
October50.2°F (10.1°C)Average17$190
November38.5°F (3.6°C)Average18$266
December28.9°F (-1.7°C)Slightly Low18$238

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Eugene (EUG) to Denver (DEN)

  • Eugene to Colorado Springs (EUG-COS): Colorado Springs Airport (COS) is located approximately 73 miles from Denver International Airport (DEN). One-way economy fares for this route generally fall between $110 and $355, influenced by the season and how far in advance you book. Travelers can choose from both one-stop and multi-stop flights, with common layover points including Denver International Airport (DEN) and Salt Lake City International Airport (SLC). United and Southwest Airlines (a budget carrier) are the leading airlines on this route.
  • North Bend to Denver (OTH-DEN): Southwest Oregon Regional Airport (OTH) is roughly 71 miles from Eugene Airport (EUG). One-way economy fares for this journey typically range from $120 to $510, depending on the time of year and booking timing. This route offers both non-stop and one-stop flight options. United Airlines is the most prominent carrier servicing this route.

How to find the best prices for flights from Eugene (EUG) to Denver (DEN)

Getting some of the best deals on flights from Eugene to Denver is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, coinciding with when most travelers make their reservations. Morning departures from 5am to 12pm usually offer lower prices, while afternoon flights from 12pm to 6pm are more popular. Additionally, flying on Tuesday generally yields cheaper fares, though Thursday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Denver International Airport from Eugene Airport

Denver welcomes travelers from Eugene with a range of transport options based on price, convenience, and proximity. Here's how to reach Denver efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Denver, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Denver International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Denver International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Denver International Airport, Jeppesen Terminal Station, a metro station, is located about 0.1 miles away on foot, providing easy access for travelers heading into the city.

Frequently asked questions

How much does a flight from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $114 and cheap return flights from $227 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights usually range from $166 to $824, and return flights typically cost between $317 and $1099. 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 Eugene, OR (EUG) 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
The cheapest month to fly from EUG to DEN is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
You can fly direct from EUG to DEN on United, with around 16 flights per week.
What is the cheapest airline that flies from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
Southwest Airlines is one of the cheapest airlines offering nonstop flights from Eugene (EUG) to Denver (DEN), with round-trip tickets starting from around $432. 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Eugene, OR (EUG) 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Eugene, OR (EUG) 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. Alaska Airlines offers the most daily flights from EUG to DEN, 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
You can find approximately 4 nonstop flights per day from Mahlon Sweet Field (EUG) to Denver Intl. (DEN). For more options, look at flights that include layovers.
What is the earliest flight from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from EUG to DEN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Eugene (EUG) to Denver (DEN) are between 12pm and 3pm. About 36% of passengers prefer this time window. Many major carriers, including United, Southwest and Alaska Airlines, offer flights during this window. This timing works well because it allows you to travel after a leisurely morning.
How long does it take to fly from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
Direct flights from EUG to DEN usually take about 2 hours 30 minutes, traveling roughly 994 miles. If you opt for a connecting flight, expect to add around 2 hours 50 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
You can fly first class between EUG and DEN. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Hawaiian Airlines

How much is a business class flight from Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
A direct, return business class ticket from Eugene, OR (EUG) to Denver, CO (DEN) typically costs between $1,079 - $1,557. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Eugene, OR (EUG) 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Eugene, OR (EUG) 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 Mahlon Sweet Field (EUG)?
If you're planning to travel to Denver from Mahlon Sweet Field (EUG), you can fly into Denver Intl. (DEN) Some flights may connect through major hubs like Sacramento Intl. (SMF), Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX) 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Eugene, OR (EUG) 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Eugene, OR (EUG) 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 Eugene, OR (EUG) to Denver, CO (DEN-Denver Intl.)?
If you booked your Eugene, OR (EUG) 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
Eugene
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$227
Distance
994 mi
Average flight time
3 hours 44 mins

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*Flight schedules are subject to change.

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