$69 Cheap Flights from San Diego (SAN) to Eugene (EUG)

View $69 flight on Tue, Dec 16, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from San Diego to Eugene (SAN-EUG)

Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Mon, Aug 25 - Thu, Sep 11
SAN
San Diego
EUG
Eugene
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Mon, Aug 25 from San Diego to Eugene, returning Thu, Sep 11, priced at $137 found 3 hours ago
Southwest Airlines
Mon, Sep 15 - Thu, Sep 18
SAN
San Diego
EUG
Eugene
$143 Roundtrip, found 3 hours ago
$143
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Mon, Sep 15 from San Diego to Eugene, returning Thu, Sep 18, priced at $143 found 3 hours ago
Alaska Airlines
Mon, Sep 15 - Thu, Sep 18
SAN
San Diego
EUG
Eugene
$147 Roundtrip, found 3 hours ago
$147
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Mon, Sep 15 from San Diego to Eugene, returning Thu, Sep 18, priced at $147 found 3 hours ago
Southwest Airlines
Mon, Sep 15 - Thu, Sep 18
SAN
San Diego
EUG
Eugene
$147 Roundtrip, found 3 hours ago
$147
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Mon, Sep 15 from San Diego to Eugene, returning Thu, Sep 18, priced at $147 found 3 hours ago
Alaska Airlines
Sat, Aug 23 - Tue, Aug 26
SAN
San Diego
EUG
Eugene
$147 Roundtrip, found 4 hours ago
$147
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Sat, Aug 23 from San Diego to Eugene, returning Tue, Aug 26, priced at $147 found 4 hours ago
United
Fri, Oct 31 - Mon, Nov 3
SAN
San Diego
EUG
Eugene
$149 Roundtrip, found 4 hours ago
$149
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Oct 31 from San Diego to Eugene, returning Mon, Nov 3, priced at $149 found 4 hours ago
American Airlines
Mon, Sep 15 - Thu, Sep 18
SAN
San Diego
EUG
Eugene
$149 Roundtrip, found 3 hours ago
$149
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Sep 15 from San Diego to Eugene, returning Thu, Sep 18, priced at $149 found 3 hours ago
Alaska Airlines
Mon, Sep 15 - Thu, Sep 18
SAN
San Diego
EUG
Eugene
$152 Roundtrip, found 3 hours ago
$152
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Mon, Sep 15 from San Diego to Eugene, returning Thu, Sep 18, priced at $152 found 3 hours ago
Southwest Airlines
Tue, Aug 26 - Sat, Aug 30
SAN
San Diego
EUG
Eugene
$153 Roundtrip, found 6 days ago
$153
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Tue, Aug 26 from San Diego to Eugene, returning Sat, Aug 30, priced at $153 found 6 days ago
Alaska Airlines
Mon, Sep 15 - Thu, Sep 18
SAN
San Diego
EUG
Eugene
$156 Roundtrip, found 3 hours ago
$156
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Mon, Sep 15 from San Diego to Eugene, returning Thu, Sep 18, priced at $156 found 3 hours ago

Find the cheapest month to fly from San Diego (SAN) to Eugene (EUG)

September is typically the cheapest month to fly

From $115 - $372 per traveler.

Graph displaying average flight prices per month

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 $251
EUG
Mahlon Sweet Field
CheapestClosest
Average driving time to city center14 min
Flights from $251
Flights from San Diego (SAN) to Eugene (EUG)
Origin airport
San Diego Intl.
Destination airport
Eugene
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$131
Distance
850 mi
Average flight time
2 hours 50 mins

San Diego to Eugene Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San Diego 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 Diego 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 Diego to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 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 Diego 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 Diego 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 San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG) cost?
You can book cheap return tickets starting at $131 from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SAN on August 18 2025 and touching down at EUG. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SAN to EUG?
The cheapest flights from SAN 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.
Which airlines fly direct from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)?
When heading out of San Diego Intl. Airport (SAN), you can board a direct flight to Mahlon Sweet Field Airport (EUG) with Alaska Airlines.
What is the cheapest airline that flies from SAN to EUG?
Book a flight from SAN to EUG with Alaska Airlines. This airline currently offers the lowest one-way fare on this route, starting from $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAN on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)?
On average, San Diego Intl. Airport (SAN) offers 4 direct flights to Mahlon Sweet Field Airport (EUG) each week. If you're looking for more choice, take advantage of Expedia's filter tool to find flights with layovers. Squeeze in a quick visit to another city or simply break up your travels.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)?
Flights between SAN and EUG are busiest at 2 PM. For a quieter trip and potentially cheaper prices, choose a departure outside the usual busy windows.
What day of the week has the most flights from SAN to EUG?
If you depart on a Sunday, you'll get the largest range of choices for flights from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG).
What is the earliest flight from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)?
Hop on the earliest flight at around 2:39PM UTC-8, departing from San Diego Intl. Airport (SAN). You'll be traveling for approximately 2h 37m, coming in to land at Mahlon Sweet Field Airport (EUG) at approximately 5:16PM UTC-8.
How long does it take to fly from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)?
Typically, it takes 2 hours and 37 minutes to fly the 850 mi from SAN to EUG.
What is the best time to fly from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)?
To reach Mahlon Sweet Field Airport (EUG) without delays, choose a flight that leaves San Diego Intl. Airport (SAN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Eugene from San Diego Intl. Airport (SAN)?
Mahlon Sweet Field Airport (EUG) is the only airport in Eugene with direct flights from San Diego Intl. Airport (SAN). Consider the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG) last-minute?
Last-minute fares from SAN to EUG are typically more expensive. To secure the lowest prices, start searching for flights well in advance. That being said, if you can play around with your travel dates, it's possible to score a cheap fare right before your trip.
Is it cheaper to book a SAN to EUG flight and hotel package?
You'll generally save money by booking a SAN 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. Once you've chosen your preferred accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Mahlon Sweet Field Airport (EUG)?
If you booked your SAN to EUG flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, 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 for more information.

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