$78 Cheap Flights from San Francisco (SFO) to Eugene (EUG)

Popular airlines from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from San Francisco to Eugene (SFO-EUG)

Prices were available within the past 7 days and start at $78 for one-way flights and $151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Bargain Flight
Hawaiian Airlines
Delta
Delta
Southwest Airlines
Delta
United
United
Alaska Airlines
Flights from San Francisco (SFO) to Eugene (EUG)
Origin airport
San Francisco Intl.
Destination airport
Eugene
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$150
Distance
451 mi

San Francisco to Eugene Flights

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

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

Sunday is one of the best days to book for cheap flights from San Francisco 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 Francisco 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 Francisco to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 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 Francisco 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 Francisco 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 long does it take to fly from San Francisco Intl. Airport (SFO) to EUG?
United Airlines has a direct flight departing from San Francisco Airport at 6:55PM and landing at Mahlon Sweet Field Airport (EUG) at 8:36PM — a total travel time of 1 hour and 41 minutes. Lock in your perfect seat, pack something to keep you occupied and the time will pass by quickly.
Is it cheaper to buy a plane ticket from San Francisco Airport to Mahlon Sweet Field Airport (EUG) last minute?
Booking your journey from San Francisco Airport to EUG at the last minute could save you cash if you get lucky and find a terrific deal. However, fares don’t typically get cheaper as the date of departure nears. If you wait, flights could also be sold out or the best seats gone (because no one wants the middle seat). If you don’t want to risk it, book well in advance of when you want to leave. In fact, you can find some of the biggest deals up to 12 months in advance. If your favorite carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia all the time.
What airline has the least delays from San Francisco Airport to Mahlon Sweet Field Airport (EUG)?
Journey with United Airlines from SFO to EUG and hit the tarmac at the time found on your ticket. This carrier takes first place on this route, with an 96% on-time rate. If your flight is delayed, the free Expedia App is a great way to stay updated. Our popular app provides immediate trip notifications, from flight delays to gate changes and baggage carousel numbers.
What are the most popular departure times for flights from SFO to Mahlon Sweet Field?
The most popular departure times for trips from San Francisco Intl. Airport (SFO) to EUG fall between 6:00 PM - 7:00 PM on United Airlines. Our recommendation is to head out in the morning. The earlier you take off, the better your chances of a delay-free flight as air traffic hasn’t yet built up.
Can I change the date of my flight from SFO to Mahlon Sweet Field?
We know plans can get upended, so Expedia is here to help make things easier. First, find your San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG) itinerary through the Expedia Trips portal and check the fare conditions about what changes are allowed. If you booked in the last 24 hours, some carriers will let you cancel at no cost and book new flights. If you booked more than 24 hours ago, contact us via our Customer Service portal to see how we can assist.

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