$749 Cheap Flights from Seoul (ICN) to Eugene (EUG)

View $749 flight on Fri, May 15, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from Seoul to Eugene (ICN-EUG)

Prices were available within the past 7 days and start at $749 for one-way flights and $1,404 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,404 Roundtrip, found 4 days ago
$1,404
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,404 found 4 days ago
Delta
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,410 Roundtrip, found 4 days ago
$1,410
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,410 found 4 days ago
Delta
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,412 Roundtrip, found 4 days ago
$1,412
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,412 found 4 days ago
Delta
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,417 Roundtrip, found 4 days ago
$1,417
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,417 found 4 days ago
Delta
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,418 Roundtrip, found 4 days ago
$1,418
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,418 found 4 days ago
Delta
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,419 Roundtrip, found 4 days ago
$1,419
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,419 found 4 days ago
Korean Air
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,472 Roundtrip, found 4 days ago
$1,472
Roundtrip
found 4 days ago
Select Korean Air flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,472 found 4 days ago
American Airlines
Mon, Oct 19 - Mon, Oct 26
ICN
Seoul
EUG
Eugene
$1,495 Roundtrip, found 4 days ago
$1,495
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Oct 19 from Seoul to Eugene, returning Mon, Oct 26, priced at $1,495 found 4 days ago
Asiana Airlines
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,506 Roundtrip, found 4 days ago
$1,506
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,506 found 4 days ago
Alaska Airlines
Thu, Sep 24 - Wed, Sep 30
ICN
Seoul
EUG
Eugene
$1,540 Roundtrip, found 4 days ago
$1,540
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep 24 from Seoul to Eugene, returning Wed, Sep 30, priced at $1,540 found 4 days ago

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) cost?
You can find cheap one-way flights from $749 and cheap return flights from $1,404 Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) with Expedia. One-way flights typically cost between $700 and $3135. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
The cheapest month to fly from ICN to EUG is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
Enter ICN to EUG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
Cathay Pacific, Korean Air and EVA Airways are just some of the carriers that fly from Seoul (ICN) to Eugene, OR (EUG). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
The earliest flight from Seoul (Incheon Intl.) to Eugene (Mahlon Sweet Field) typically departs at 8:00 AM. This seasonal option allows you to arrive in Eugene with plenty of time to explore the area. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
a Monday typically has the most flights from Incheon Intl. (ICN) to Mahlon Sweet Field (EUG), with approximately 10 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Korean Air, Asiana Airlines, and Delta.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
The most popular departure times for flights from Seoul (ICN) to Eugene, OR (EUG) are in the evening, from 6pm to 9pm. About 36% of passengers prefer this time window. Many major carriers, including Delta Airlines and Korean Air, offer flights during this window. This timing works well because it allows you to travel after a full day of activities.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
A flight from ICN to EUG with a layover takes around 16 hours 30 minutes, with the route covering approximately 5,319 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
Business class seats are offered on the ICN to EUG route with Delta Air Lines and Korean Air.First class is available with Korean Air.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Eugene from Incheon Intl. (ICN)?
If you're planning to travel to Eugene from Incheon Intl. (ICN), you can fly into Mahlon Sweet Field (EUG) Some flights may connect through major hubs like Vancouver Intl. (YVR), Dallas-Fort Worth Intl. (DFW), Hong Kong Intl. (HKG) before reaching Eugene. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) Eugene Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG)?
If you booked your Seoul (ICN-Incheon Intl.) to Eugene, OR (EUG) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
Eugene
Airlines serving
Alaska Airlines, Asiana Airlines, Delta, Japan Airlines, Korean Air, United
Roundtrip price
$1,404
Distance
5318 mi

Book with confidence

Seoul to Eugene Flights

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

 

The best time to book a flight from Seoul to Eugene

Sunday is one of the best days to book for cheap flights from Seoul 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 Seoul 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 Seoul to Eugene in 2026. You can also book with separate airlines for your outbound and return journeys, from $749 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 Seoul 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 Seoul 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.

 

Seoul to Eugene Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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