$83 Cheap Flights from San Francisco (SFO) to Eugene (EUG)

View $83 flight on Tue, Dec 9, 2025Opens in a new window

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 $83 for one-way flights and $164 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Oct 21 - Sat, Oct 25
SFO
San Francisco
EUG
Eugene
$164 Roundtrip, found 4 days ago
$164
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 21 from San Francisco to Eugene, returning Sat, Oct 25, priced at $164 found 4 days ago
Delta
Sun, Aug 24 - Tue, Aug 26
SFO
San Francisco
EUG
Eugene
$168 Roundtrip, found 6 hours ago
$168
Roundtrip
found 6 hours ago
Select Delta flight, departing Sun, Aug 24 from San Francisco to Eugene, returning Tue, Aug 26, priced at $168 found 6 hours ago
Delta
Sat, Sep 13 - Tue, Sep 16
SFO
San Francisco
EUG
Eugene
$168 Roundtrip, found 7 hours ago
$168
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Sep 13 from San Francisco to Eugene, returning Tue, Sep 16, priced at $168 found 7 hours ago
United
Thu, Oct 9 - Tue, Oct 14
SFO
San Francisco
EUG
Eugene
$173 Roundtrip, found 3 days ago
$173
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 9 from San Francisco to Eugene, returning Tue, Oct 14, priced at $173 found 3 days ago
Delta
Thu, Aug 21 - Sat, Aug 23
SFO
San Francisco
EUG
Eugene
$174 Roundtrip, found 6 hours ago
$174
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Aug 21 from San Francisco to Eugene, returning Sat, Aug 23, priced at $174 found 6 hours ago
Hawaiian Airlines
Mon, Nov 17 - Mon, Dec 8
SFO
San Francisco
EUG
Eugene
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Mon, Nov 17 from San Francisco to Eugene, returning Mon, Dec 8, priced at $175 found 4 days ago
United
Fri, Sep 26 - Sat, Sep 27
SFO
San Francisco
EUG
Eugene
$182 Roundtrip, found 3 days ago
$182
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 26 from San Francisco to Eugene, returning Sat, Sep 27, priced at $182 found 3 days ago
United
Thu, Aug 21 - Sat, Aug 23
SFO
San Francisco
EUG
Eugene
$183 Roundtrip, found 6 hours ago
$183
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Aug 21 from San Francisco to Eugene, returning Sat, Aug 23, priced at $183 found 6 hours ago
Alaska Airlines
Mon, Sep 1 - Mon, Sep 8
SFO
San Francisco
EUG
Eugene
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Sep 1 from San Francisco to Eugene, returning Mon, Sep 8, priced at $190 found 3 days ago
Southwest Airlines
Sat, Sep 13 - Tue, Sep 16
SFO
San Francisco
EUG
Eugene
$192 Roundtrip, found 7 hours ago
$192
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Sat, Sep 13 from San Francisco to Eugene, returning Tue, Sep 16, priced at $192 found 7 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Eugene (EUG)

September is typically the cheapest month to fly

From $137 - $295 per traveler.

Graph displaying average flight prices per month

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
$160
Distance
451 mi
Average flight time
1 hour 36 mins

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 October. 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 $83 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 much does a flight from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG) cost?
You can find cheap return fares from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG) starting at $177. Grab your seat and set off on your next adventure. 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 United flight leaving SFO 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 SFO to EUG?
The cheapest flights from SFO 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 Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)?
When jetting out of San Francisco Intl. Airport (SFO), you can hop on a nonstop flight to Mahlon Sweet Field Airport (EUG) with United Airlines.
What is the cheapest airline that flies from SFO to EUG?
With fares starting at $89 for a one-way journey from SFO to EUG, United is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on September 24 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)?
Every day on average, 2 nonstop flights take off from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG). Choose the departure time that fits your schedule best.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)?
Flights between SFO and EUG tend to be busiest at 7 PM. If you're after a quieter experience and possibly cheaper fares, look for a time outside the usual busy windows.
What day of the week has the most flights from SFO to EUG?
If you jet off on a Saturday, you'll get the largest range of options for flights from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)?
Hop on the earliest flight at around 10:35AM UTC-8, departing from San Francisco Intl. Airport (SFO). You'll be in the air for around 1h 41m, landing at Mahlon Sweet Field Airport (EUG) at approximately 12:16PM UTC-8.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)?
Flights from SFO to EUG have an average travel time of 1 hour and 41 minutes. The distance between the two is 450 mi.
What airline has the least delays from SFO to EUG?
Consider booking with United Airlines if you'd like to fly straight from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG) without any holdups. This carrier has the best track record for punctuality, with an on-time score of 82%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be 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 Eugene from San Francisco Intl. Airport (SFO)?
If you've booked a direct flight from San Francisco Intl. Airport (SFO) to Eugene, Mahlon Sweet Field Airport (EUG) is the only airport you can land at.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG) last-minute?
Booking your flight from SFO to EUG right before your journey is typically more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a SFO to EUG flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to EUG flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Mahlon Sweet Field Airport (EUG)?
You can usually cancel or reschedule your SFO to EUG flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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