$137 Cheap Flights from Missoula (MSO) to Eugene (EUG)

View $137 flight on Wed, Oct 29, 2025Opens in a new window

Popular airlines from Missoula Intl. Airport (MSO) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from Missoula to Eugene (MSO-EUG)

Prices were available within the past 7 days and start at $137 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Oct 29 - Sat, Nov 1
MSO
Missoula
EUG
Eugene
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 29 from Missoula to Eugene, returning Sat, Nov 1, priced at $235 found 3 days ago
Hawaiian Airlines
Tue, Oct 28 - Fri, Oct 31
MSO
Missoula
EUG
Eugene
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Missoula to Eugene, returning Fri, Oct 31, priced at $245 found 3 days ago
Hawaiian Airlines
Wed, Oct 29 - Mon, Nov 3
MSO
Missoula
EUG
Eugene
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 29 from Missoula to Eugene, returning Mon, Nov 3, priced at $245 found 3 days ago
Hawaiian Airlines
Tue, Oct 28 - Wed, Oct 29
MSO
Missoula
EUG
Eugene
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Missoula to Eugene, returning Wed, Oct 29, priced at $254 found 3 days ago
Alaska Airlines
Wed, Oct 29 - Mon, Nov 3
MSO
Missoula
EUG
Eugene
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Oct 29 from Missoula to Eugene, returning Mon, Nov 3, priced at $255 found 3 days ago
Hawaiian Airlines
Fri, Oct 31 - Sat, Nov 1
MSO
Missoula
EUG
Eugene
$260 Roundtrip, found 3 days ago
$260
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Oct 31 from Missoula to Eugene, returning Sat, Nov 1, priced at $260 found 3 days ago
Hawaiian Airlines
Tue, Sep 30 - Sat, Oct 4
MSO
Missoula
EUG
Eugene
$262 Roundtrip, found 6 hours ago
$262
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 30 from Missoula to Eugene, returning Sat, Oct 4, priced at $262 found 6 hours ago
Delta
Tue, Aug 26 - Tue, Sep 16
MSO
Missoula
EUG
Eugene
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 26 from Missoula to Eugene, returning Tue, Sep 16, priced at $274 found 3 days ago
United
Wed, Oct 29 - Fri, Oct 31
MSO
Missoula
EUG
Eugene
$377 Roundtrip, found 18 hours ago
$377
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Oct 29 from Missoula to Eugene, returning Fri, Oct 31, priced at $377 found 18 hours ago
American Airlines
Fri, Aug 8 - Mon, Aug 11
MSO
Missoula
EUG
Eugene
$2,539 Roundtrip, found 1 day ago
$2,539
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 8 from Missoula to Eugene, returning Mon, Aug 11, priced at $2,539 found 1 day ago

Find the cheapest month to fly from Missoula (MSO) to Eugene (EUG)

February is typically the cheapest month to fly

From $195 - $761 per traveler.

Graph displaying average flight prices per month

Flights from Missoula (MSO) to Eugene (EUG)
Origin airport
Missoula Intl.
Destination airport
Eugene
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$234
Distance
482 mi

Missoula to Eugene Flights

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

 

The best time to book a flight from Missoula to Eugene

Sunday is one of the best days to book for cheap flights from Missoula 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 Missoula 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 Missoula to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 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 Missoula 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 Missoula 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 Missoula Intl. Airport (MSO) to Mahlon Sweet Field Airport (EUG) cost?
Discover the latest flight deals from MSO to EUG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MSO to EUG?
The cheapest flights from MSO to EUG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MSO to EUG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MSO to EUG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Missoula Intl. Airport (MSO) to Mahlon Sweet Field Airport (EUG)?
Nonstop flights from Missoula Intl. Airport (MSO) to Mahlon Sweet Field Airport (EUG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MSO to EUG?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Missoula Intl. Airport (MSO) to Mahlon Sweet Field Airport (EUG)?
To land at Mahlon Sweet Field Airport (EUG) without delays, pick a flight that leaves Missoula Intl. Airport (MSO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Missoula Intl. Airport (MSO) to Mahlon Sweet Field Airport (EUG) last-minute?
Last-minute fares from MSO to EUG are generally more expensive. To lock in the best rates, start searching for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a MSO to EUG flight and hotel package?
You'll generally save money by securing a MSO to EUG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your preferred accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Missoula Intl. Airport (MSO) to Mahlon Sweet Field Airport (EUG)?
You can usually cancel or reschedule your MSO to EUG flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.