HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$101+ Cheap flights from Eugene (EUG) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — DEN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Eugene to Colorado with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Eugene to Colorado

Cheapest flights from Eugene to Colorado
Explore the most affordable flight options available from Eugene to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:56 amEUG - DEN
1 stop7h 54mAlaska Airlines
Sun 1/46:48 pmDEN - EUG
1 stop24h 12mAlaska Airlines
Deal found 12/10$341
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:25 pmEUG - DEN
1 stop6h 23mAmerican Airlines
Tue 1/132:06 pmDEN - EUG
1 stop7h 55mAmerican Airlines
Deal found 12/11$368
This Alaska Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:55 pmEUG - DEN
1 stop4h 33mAlaska Airlines
Tue 1/137:00 amDEN - EUG
1 stop15h 30mAlaska Airlines
Deal found 12/10$370
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amEUG - DEN
Nonstop2h 43mUnited Airlines
Tue 12/307:15 pmDEN - EUG
Nonstop2h 58mUnited Airlines
Deal found 12/9$399
This Alaska Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:51 pmEUG - DEN
1 stop5h 08mAlaska Airlines
Tue 12/307:20 amDEN - EUG
1 stop17h 17mAlaska Airlines
Deal found 12/10$410
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:10 pmEUG - DEN
Nonstop2h 35mUnited Airlines
Tue 1/137:21 pmDEN - EUG
Nonstop2h 57mUnited Airlines
Deal found 12/10$418
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:05 pmEUG - DEN
1 stop5h 48mUnited Airlines
Tue 12/305:45 amDEN - EUG
1 stop7h 29mUnited Airlines
Deal found 12/9$419
This Southwest deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:55 amEUG - DEN
2 stops6h 25mSouthwest
Tue 12/305:30 amDEN - EUG
1 stop6h 20mSouthwest
Deal found 12/9$424
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:05 pmEUG - DEN
1 stop5h 48mUnited Airlines
Mon 12/297:15 pmDEN - EUG
Nonstop2h 58mUnited Airlines
Deal found 12/9$429
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:55 pmEUG - COS
1 stop19h 37mAllegiant Air
Tue 12/303:22 pmCOS - EUG
1 stop26h 37mAllegiant Air
Deal found 12/11$574
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:41 amEUG - MTJ
1 stop8h 12mUnited Airlines
Mon 12/297:00 amMTJ - EUG
1 stop7h 09mUnited Airlines
Deal found 12/11$616
This Southwest deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:30 amEUG - COS
1 stop7h 45mSouthwest
Tue 12/301:10 pmCOS - EUG
2 stops10h 55mSouthwest
Deal found 12/11$639

Find flight deals from Eugene to Colorado

Keep the following information in mind while searching for Eugene to Colorado flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$185
(Delta)

One-way from

$101
(Alaska Airlines)

Popular in

November

Cheapest in

January

Average price

$357

Good round-trip deal

$394 or less

Good one-way deal

$191 or less
Provider with most accurate pricing for Eugene-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Eugene-Denver Intl flights.
Search Deals
From Eugene to Colorado
Search Deals
One-way flight from Eugene to Colorado
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Eugene to Colorado.
Search Deals
Price to beat on a one-way flight from Eugene to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Eugene to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Eugene to Colorado that are best for you.

Fly from

Eugene

Fly to

Colorado

Route

Depart

Return

Price

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Thu 1/29

11:30 am-5:34 pm

1 stop5h 04m

Denver Intl

Mon 2/2

6:29 am-10:48 am

1 stop5h 19m

$185

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Thu 1/22

5:20 pm-11:25 pm

1 stop5h 05m

Denver Intl

Tue 1/27

12:30 pm-4:37 pm

1 stop5h 07m

$185

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Thu 2/26

5:20 pm-11:25 pm

1 stop5h 05m

Denver Intl

Mon 3/2

7:00 am-4:35 pm

2 stops10h 35m

$190

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Thu 1/29

11:30 am-5:34 pm

1 stop5h 04m

Denver Intl

Tue 2/3

7:00 am-4:37 pm

2 stops10h 37m

$190

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Mon 1/5

6:20 am-7:56 pm

2 stops12h 36m

Denver Intl

Fri 1/9

6:50 pm-10:48 am

1 stop16h 58m

$190

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Thu 1/8

6:20 am-7:56 pm

2 stops12h 36m

Denver Intl

Sun 1/11

6:29 am-10:48 am

1 stop5h 19m

$190

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Sat 1/24

6:10 am-3:09 pm

2 stops7h 59m

Denver Intl

Wed 1/28

12:46 pm-11:12 pm

2 stops11h 26m

$196

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Tue 1/6

7:00 am-11:59 pm

1 stop15h 59m

Denver Intl

Wed 1/7

7:00 am-1:33 pm

1 stop7h 33m

$203

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Sun 1/18

11:30 am-5:34 pm

1 stop5h 04m

Denver Intl

Sat 1/24

6:29 am-10:48 am

1 stop5h 19m

$205

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Thu 1/8

6:20 am-12:27 pm

1 stop5h 07m

Denver Intl

Thu 1/15

6:29 am-10:48 am

1 stop5h 19m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Eugene to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Eugene with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Eugene to Colorado

What is the cheapest month to book a flight from Eugene to Colorado?

Currently, March is the cheapest month in which you can book a flight from Eugene to Colorado (average of $87). Flying from Eugene to Colorado in September is currently the most expensive (average of $216). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EUG to CO?

Find hourly flight availability from Eugene to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Eugene to Colorado as you normally would.

Weekly flight availability from Eugene to Colorado

Explore weekly flight availability from Eugene to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.

The most flights from EUG to USCO are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated December 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Eugene to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Eugene to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Eugene to Colorado?

    For a flight from Eugene to Colorado, you will be flying from Eugene. Eugene (EUG) is just 7.8 mi from the center of the city.

  • How popular is this Eugene to Colorado flight route?

    Flights from Eugene to Colorado have been viewed 18 times in the past calendar month.

  • How long is the flight from Eugene to Colorado?

    Delta and United Airlines can get you from Eugene to Colorado in just under 5h 04m. Your travel time can differ by up to 1h 26m. Airlines will cover a distance of 994 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Eugene to Colorado one-way?

    $78 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $82 and $119, respectively.

  • What are the most popular routes from Eugene to Colorado?

    The most popular route from Eugene to Colorado is Eugene - Denver Intl. You may also consider Eugene - Colorado Springs or Eugene - Gunnison.

  • What are the most reliable airlines from Eugene to Colorado?

    No one likes to see their flight delayed. When booking a flight from Eugene to Colorado consider choosing SkyWest Airlines (91%), Copa Airlines (90%) or United Airlines (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Eugene to Colorado?

    The cheapest flight price from Eugene to Colorado is $141. On average you can expect to pay $734. The most popular route, (Eugene - Denver Intl), can usually be booked for $185.

  • Can I find deals for flights from Eugene to Colorado that include hotel bookings?

    Yes. In addition to deals on Eugene to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Eugene to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Eugene to Colorado.

  • Can I find deals for business class flights from Eugene to Colorado?

    Yes. Cheapflights offers flight deals from Eugene to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Eugene to Colorado?

    Currently, March is the cheapest month in which you can book a flight from Eugene to Colorado (average of $87). Flying from Eugene to Colorado in September is currently the most expensive (average of $216). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Eugene to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Los Angeles flights
Portland to Las Vegas flights
Portland to John F Kennedy Intl flights
Portland to Sky Harbor Intl flights
Portland to Newark flights
Portland to Honolulu flights
Portland to Ontario flights
Portland to Kahului flights
Portland to Dallas/Fort Worth flights
Portland to Orlando flights
Portland to Miami flights
Portland to Hobby flights
Portland to Minneapolis flights
Portland to San Diego flights
Portland to Denver flights
Portland to San Francisco flights
Portland to Palm Springs flights
Portland to LaGuardia flights
Portland to O'Hare Intl flights
Portland to Atlanta flights
Portland to Kailua-Kona flights
Portland to George Bush Intcntl flights
Portland to Boston flights
Boise to Los Angeles flights
Portland to Santa Ana flights
Boise to Las Vegas flights
Portland to New Orleans flights
Portland to Salt Lake City flights
Portland to Lihue flights
Boise to Sky Harbor Intl flights
Boise to Seattle flights
Portland to Austin flights
Portland to Burbank flights
Portland to Tucson flights
Boise to Denver flights
Portland to Tampa flights
Redmond to Seattle flights
Portland to Dulles Intl flights
Boise to Dallas/Fort Worth flights
Portland to Nashville flights
Boise to O'Hare Intl flights
Boise to Honolulu flights
Portland to Reagan-National flights
Portland to Detroit flights
Portland to Baltimore flights
Portland to Seattle flights
Portland to Philadelphia flights
Portland to Fort Lauderdale flights
Portland to Oakland flights
Boise to Orlando flights

Top 4 airlines flying from Eugene to Colorado

Discover the top 4 airlines that operate flights from Eugene to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$164Average$267FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$188Average$302FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$229Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$232Average$383FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.