$118 Cheap Flights from Colorado Springs (COS) to Eugene (EUG)

View $118 flight on Sat, Dec 13, 2025Opens in a new window

Popular airlines from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from Colorado Springs to Eugene (COS-EUG)

Prices were available within the past 7 days and start at $118 for one-way flights and $165 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 16 - Wed, Dec 31
COS
Colorado Springs
EUG
Eugene
$165 Roundtrip, found 4 days ago
$165
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 16 from Colorado Springs to Eugene, returning Wed, Dec 31, priced at $165 found 4 days ago
Delta
Tue, Jan 13 - Tue, Jan 27
COS
Colorado Springs
EUG
Eugene
$170 Roundtrip, found 4 days ago
$170
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 13 from Colorado Springs to Eugene, returning Tue, Jan 27, priced at $170 found 4 days ago
Delta
Tue, Dec 9 - Thu, Dec 25
COS
Colorado Springs
EUG
Eugene
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 9 from Colorado Springs to Eugene, returning Thu, Dec 25, priced at $183 found 4 days ago
Delta
Tue, Jan 13 - Fri, Jan 30
COS
Colorado Springs
EUG
Eugene
$188 Roundtrip, found 4 days ago
$188
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 13 from Colorado Springs to Eugene, returning Fri, Jan 30, priced at $188 found 4 days ago
Delta
Wed, Dec 3 - Tue, Dec 16
COS
Colorado Springs
EUG
Eugene
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Dec 3 from Colorado Springs to Eugene, returning Tue, Dec 16, priced at $199 found 4 days ago
Delta
Thu, Dec 11 - Thu, Dec 25
COS
Colorado Springs
EUG
Eugene
$201 Roundtrip, found 4 days ago
$201
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Dec 11 from Colorado Springs to Eugene, returning Thu, Dec 25, priced at $201 found 4 days ago
Delta
Thu, Jan 15 - Fri, Jan 30
COS
Colorado Springs
EUG
Eugene
$206 Roundtrip, found 4 days ago
$206
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 15 from Colorado Springs to Eugene, returning Fri, Jan 30, priced at $206 found 4 days ago
Southwest Airlines
Tue, Dec 9 - Mon, Dec 15
COS
Colorado Springs
EUG
Eugene
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Tue, Dec 9 from Colorado Springs to Eugene, returning Mon, Dec 15, priced at $265 found 6 days ago
American Airlines
Tue, Dec 9 - Sat, Dec 13
COS
Colorado Springs
EUG
Eugene
$276 Roundtrip, found 4 days ago
$276
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 9 from Colorado Springs to Eugene, returning Sat, Dec 13, priced at $276 found 4 days ago
United
Wed, Dec 10 - Thu, Dec 11
COS
Colorado Springs
EUG
Eugene
$336 Roundtrip, found 2 days ago
$336
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Colorado Springs to Eugene, returning Thu, Dec 11, priced at $336 found 2 days ago

Find the cheapest month to fly from Colorado Springs (COS) to Eugene (EUG)

September is typically the cheapest month to fly

From $181 - $443 per traveler.

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 $469
EUG
Mahlon Sweet Field
CheapestClosest
Average driving time to city center14 min
Flights from $469

Frequently asked questions

How much does a flight from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG) cost?
Snag a cheap one-way flight from $118 or cheap return flight from $165 from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG)?
December is the most affordable month to fly from COS to EUG. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from COS to EUG. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG)?
There are no daily nonstop flights departing from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from COS to EUG?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG)?
Book a flight from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures 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.
Is it cheaper to buy a plane ticket from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG) last-minute?
Last-minute fares from COS to EUG are generally more expensive. To secure the cheapest rates, start searching for flights well in advance. That being said, if you can play around with your travel dates, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a COS to EUG flight and hotel package?
You'll generally save money by booking a COS to EUG 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 everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Mahlon Sweet Field Airport (EUG)?
In most instances, you can modify or cancel your COS to EUG flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Colorado Springs
Destination airport
Eugene
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$164
Distance
1023 mi
Average flight time
6 hours 45 mins

Book with confidence

Colorado Springs to Eugene Flights

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

 

The best time to book a flight from Colorado Springs to Eugene

Sunday is one of the best days to book for cheap flights from Colorado Springs 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 Colorado Springs 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 Colorado Springs to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 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 Colorado Springs 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 Colorado Springs 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.

 

Colorado Springs to Eugene Flights

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*Available to One Key members.