$212 Cheap Flights from San Juan (SJU) to Eugene (EUG)

View $212 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG)

Cheap Flights from San Juan to Eugene (SJU-EUG)

Prices were available within the past 7 days and start at $212 for one-way flights and $428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Fri, Jan 16 - Wed, Jan 21
SJU
San Juan
EUG
Eugene
$428 Roundtrip, found 4 days ago
$428
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Jan 16 from San Juan to Eugene, returning Wed, Jan 21, priced at $428 found 4 days ago
American Airlines
Fri, Jan 16 - Wed, Jan 21
SJU
San Juan
EUG
Eugene
$431 Roundtrip, found 4 days ago
$431
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jan 16 from San Juan to Eugene, returning Wed, Jan 21, priced at $431 found 4 days ago
Delta
Sun, Jan 18 - Mon, Jan 19
SJU
San Juan
EUG
Eugene
$437 Roundtrip, found 6 days ago
$437
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Jan 18 from San Juan to Eugene, returning Mon, Jan 19, priced at $437 found 6 days ago
American Airlines
Thu, Jan 15 - Sun, Jan 18
SJU
San Juan
EUG
Eugene
$456 Roundtrip, found 4 days ago
$456
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jan 15 from San Juan to Eugene, returning Sun, Jan 18, priced at $456 found 4 days ago
Southwest Airlines
Fri, Jan 16 - Wed, Jan 21
SJU
San Juan
EUG
Eugene
$460 Roundtrip, found 4 days ago
$460
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Jan 16 from San Juan to Eugene, returning Wed, Jan 21, priced at $460 found 4 days ago
Southwest Airlines
Fri, Jan 16 - Wed, Jan 21
SJU
San Juan
EUG
Eugene
$463 Roundtrip, found 4 days ago
$463
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Jan 16 from San Juan to Eugene, returning Wed, Jan 21, priced at $463 found 4 days ago
Southwest Airlines
Thu, Jan 15 - Sun, Jan 18
SJU
San Juan
EUG
Eugene
$468 Roundtrip, found 4 days ago
$468
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Jan 15 from San Juan to Eugene, returning Sun, Jan 18, priced at $468 found 4 days ago
Southwest Airlines
Fri, Jan 16 - Wed, Jan 21
SJU
San Juan
EUG
Eugene
$475 Roundtrip, found 4 days ago
$475
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Jan 16 from San Juan to Eugene, returning Wed, Jan 21, priced at $475 found 4 days ago
Southwest Airlines
Thu, Jan 15 - Sun, Jan 18
SJU
San Juan
EUG
Eugene
$486 Roundtrip, found 4 days ago
$486
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Jan 15 from San Juan to Eugene, returning Sun, Jan 18, priced at $486 found 4 days ago
United
Thu, Jan 15 - Sun, Jan 18
SJU
San Juan
EUG
Eugene
$545 Roundtrip, found 4 days ago
$545
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 15 from San Juan to Eugene, returning Sun, Jan 18, priced at $545 found 4 days ago

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG) cost?
Grab a cheap one-way flight from $212 or cheap return flight from $428 from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG) 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 Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG)?
The cheapest month to fly from SJU to EUG is January, when demand is low. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG)?
To find the cheapest airline that'll fly you from SJU to EUG, use Expedia's filter tool. Customize your search based on your travel style, 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 Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG)?
You'll have to book a flight with a layover if you're traveling from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SJU to EUG?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG)?
To land at Mahlon Sweet Field Airport (EUG) without delays, opt for a flight that leaves from Luis Munoz Marin Intl. Airport (SJU) 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.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG) last-minute?
Booking your ticket from SJU to EUG right before your journey is generally more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a SJU to EUG flight and hotel package?
Compared with arranging hotels and flights separately, booking a SJU to EUG flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Mahlon Sweet Field Airport (EUG)?
If you reserved your SJU to EUG flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type 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, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Eugene
Roundtrip price
$428
Distance
3724 mi

Book with confidence

Book with confidence

San Juan to Eugene Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San Juan 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 Juan 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 Juan to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $212 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 Juan 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 Juan 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.

 

San Juan to Eugene Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.