$169 Cheap Flights from San José (SJO) to Eugene (EUG)

View $169 flight on Sat, May 23, 2026Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from San José to Eugene (SJO-EUG)

Prices were available within the past 7 days and start at $169 for one-way flights and $291 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 7 - Sun, Oct 12
SJO
San José
EUG
Eugene
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 7 from San José to Eugene, returning Sun, Oct 12, priced at $291 found 1 day ago
American Airlines
Fri, Oct 31 - Sat, Nov 8
SJO
San José
EUG
Eugene
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Oct 31 from San José to Eugene, returning Sat, Nov 8, priced at $295 found 5 days ago
United
Fri, Oct 10 - Sun, Oct 12
SJO
San José
EUG
Eugene
$303 Roundtrip, found 1 day ago
$303
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 10 from San José to Eugene, returning Sun, Oct 12, priced at $303 found 1 day ago
Alaska Airlines
Tue, Oct 28 - Thu, Nov 13
SJO
San José
EUG
Eugene
$304 Roundtrip, found 5 days ago
$304
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Oct 28 from San José to Eugene, returning Thu, Nov 13, priced at $304 found 5 days ago
American Airlines
Fri, Oct 31 - Sat, Nov 8
SJO
San José
EUG
Eugene
$310 Roundtrip, found 5 days ago
$310
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Oct 31 from San José to Eugene, returning Sat, Nov 8, priced at $310 found 5 days ago
Alaska Airlines
Fri, Oct 31 - Sat, Nov 8
SJO
San José
EUG
Eugene
$310 Roundtrip, found 5 days ago
$310
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Oct 31 from San José to Eugene, returning Sat, Nov 8, priced at $310 found 5 days ago
United
Wed, Jan 14 - Tue, Jan 27
SJO
San José
EUG
Eugene
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 14 from San José to Eugene, returning Tue, Jan 27, priced at $312 found 4 days ago
Alaska Airlines
Thu, Oct 30 - Sat, Nov 15
SJO
San José
EUG
Eugene
$314 Roundtrip, found 5 days ago
$314
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Oct 30 from San José to Eugene, returning Sat, Nov 15, priced at $314 found 5 days ago
Delta
Wed, Nov 19 - Fri, Nov 28
SJO
San José
EUG
Eugene
$314 Roundtrip, found 17 hours ago
$314
Roundtrip
found 17 hours ago
Select Delta flight, departing Wed, Nov 19 from San José to Eugene, returning Fri, Nov 28, priced at $314 found 17 hours ago
Southwest Airlines
Fri, Oct 31 - Sat, Nov 8
SJO
San José
EUG
Eugene
$331 Roundtrip, found 5 days ago
$331
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Oct 31 from San José to Eugene, returning Sat, Nov 8, priced at $331 found 5 days ago

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 $312
EUG
Mahlon Sweet Field
CheapestClosest
Average driving time to city center14 min
Flights from $312
Flights from San José (SJO) to Eugene (EUG)
Origin airport
Juan Santamaría Intl.
Destination airport
Eugene
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$290
Distance
3310 mi

San José to Eugene Flights

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

 

The best time to book a flight from San José to Eugene

Sunday is one of the best days to book for cheap flights from San José 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 San José 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 San José to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 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 San José 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 San José 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 Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG) cost?
Get a cheap one-way flight from $169 or cheap return flight from $291 from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG)?
The cheapest month to fly from SJO to EUG is October, when demand is low. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG)?
To find the cheapest airline that'll fly you from SJO to EUG, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG)?
Direct flights from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJO to EUG?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG)?
To reach Mahlon Sweet Field Airport (EUG) on schedule, pick a flight that leaves Juan Santamaria Intl. Airport (SJO) 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 Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG) last-minute?
Waiting until right before your break to book your flight from SJO to EUG often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a SJO to EUG flight and hotel package?
Securing a SJO to EUG flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Mahlon Sweet Field Airport (EUG)?
If you booked your SJO to EUG flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.