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

View $69 flight on Wed, Oct 8, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $69 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Fri, Oct 24 - Tue, Oct 28
EUG
Eugene
SAN
San Diego
$128 Roundtrip, found 5 days ago
$128
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Oct 24 from Eugene to San Diego, returning Tue, Oct 28, priced at $128 found 5 days ago
Delta
Sat, Nov 8 - Tue, Nov 11
EUG
Eugene
SAN
San Diego
$128 Roundtrip, found 4 days ago
$128
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov 8 from Eugene to San Diego, returning Tue, Nov 11, priced at $128 found 4 days ago
Bargain Flight
Wed, Feb 25 - Tue, Mar 3
EUG
Eugene
SAN
San Diego
$135 Roundtrip, found 6 hours ago
$135
Roundtrip
found 6 hours ago
Select Bargain Flight flight, departing Wed, Feb 25 from Eugene to San Diego, returning Tue, Mar 3, priced at $135 found 6 hours ago
Bargain Flight
Wed, Jan 14 - Sat, Jan 17
EUG
Eugene
SAN
San Diego
$136 Roundtrip, found 2 hours ago
$136
Roundtrip
found 2 hours ago
Select Bargain Flight flight, departing Wed, Jan 14 from Eugene to San Diego, returning Sat, Jan 17, priced at $136 found 2 hours ago
Bargain Flight
Sat, Oct 11 - Tue, Oct 21
EUG
Eugene
SAN
San Diego
$136 Roundtrip, found 4 hours ago
$136
Roundtrip
found 4 hours ago
Select Bargain Flight flight, departing Sat, Oct 11 from Eugene to San Diego, returning Tue, Oct 21, priced at $136 found 4 hours ago
Hawaiian Airlines
Tue, Oct 28 - Tue, Nov 4
EUG
Eugene
SAN
San Diego
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Eugene to San Diego, returning Tue, Nov 4, priced at $137 found 3 hours ago
Alaska Airlines
Sat, Jan 17 - Tue, Jan 20
EUG
Eugene
SAN
San Diego
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jan 17 from Eugene to San Diego, returning Tue, Jan 20, priced at $142 found 2 days ago
Southwest Airlines
Fri, Oct 24 - Tue, Oct 28
EUG
Eugene
SAN
San Diego
$144 Roundtrip, found 5 days ago
$144
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Oct 24 from Eugene to San Diego, returning Tue, Oct 28, priced at $144 found 5 days ago
Alaska Airlines
Wed, Jan 14 - Sat, Jan 17
EUG
Eugene
SAN
San Diego
$146 Roundtrip, found 2 hours ago
$146
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Eugene to San Diego, returning Sat, Jan 17, priced at $146 found 2 hours ago
Alaska Airlines
Wed, Oct 15 - Thu, Oct 16
EUG
Eugene
SAN
San Diego
$147 Roundtrip, found 1 hour ago
$147
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Oct 15 from Eugene to San Diego, returning Thu, Oct 16, priced at $147 found 1 hour ago

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

September is typically the cheapest month to fly

From $125 - $606 per traveler.
Flights from Eugene (EUG) to San Diego (SAN)
Origin airport
Eugene
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$127
Distance
850 mi
Average flight time
2 hours 33 mins

Eugene to San Diego Flights

The cheapest times to fly from Eugene to San Diego

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

 

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

Sunday is one of the best days to book for cheap flights from Eugene to San Diego: 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 Eugene to San Diego

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 Eugene to San Diego 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 Eugene to San Diego 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 Eugene to San Diego 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 Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN) cost?
Snag a cheap one-way flight from $69 or cheap return flight from $128 from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN) 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 Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
The cheapest month to fly from EUG to SAN is October, when there's less demand. Off-peak season is often when better flight deals are available between these airports.
Which airlines fly direct from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
When heading out of Mahlon Sweet Field Airport (EUG), you can get on a direct flight to San Diego Intl. Airport (SAN) with Alaska Airlines.
What is the cheapest airline that flies from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from EUG to SAN. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
On average, you can pick from 4 direct flights every week from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN). To broaden your travel options, consider flights with layovers. Just enter your details on Expedia and then filter your search to show one stop or more.
What are the most popular departure times for flights from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
The 5 PM departures from EUG to SAN are typically the busiest. These flights can come with a higher price due to their popularity. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from EUG to SAN?
Jet off on a Friday if you're looking for the biggest selection of flights from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN).
What is the earliest flight from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
Catch the earliest flight at around 5:53PM UTC-8, leaving from Mahlon Sweet Field Airport (EUG). You'll be flying for roughly 2h 26m, arriving at San Diego Intl. Airport (SAN) at approximately 8:19PM UTC-8.
How long does it take to fly from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
It takes about 2 hours and 26 minutes to cover the 850 mi from EUG to SAN.
What airline has the least delays from EUG to SAN?
Alaska Airlines has the strongest track record for on-time direct flights from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN), with an on-time rating of 94%. Use the Expedia App to see your flight schedule before you leave and get real-time updates about any trip changes.
What is the best time to fly from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
To avoid possible delays on the Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN) route, travel before 3 PM. Later departures have a 22% higher chance of being 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.
What airports do you fly into for San Diego from Mahlon Sweet Field Airport (EUG)?
If you're flying on a direct flight from Mahlon Sweet Field Airport (EUG) to San Diego, San Diego Intl. Airport (SAN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN) last-minute?
Booking your plane ticket from EUG to SAN just before your journey is typically more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an EUG to SAN flight and hotel package?
You can save money by securing an EUG to SAN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Mahlon Sweet Field Airport (EUG) to San Diego Intl. Airport (SAN)?
In most instances, you're able to cancel or reschedule your EUG to SAN flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, head to our Customer Service portal.

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*Available to One Key members.