$458 Cheap Flights from Eugene (EUG) to Seoul (ICN)

View $458 flight on Fri, Jan 9, 2026Opens in a new window

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

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Cheap Flights from Eugene to Seoul (EUG-ICN)

Prices were available within the past 7 days and start at $458 for one-way flights and $875 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Mar 24 - Mon, Apr 6
EUG
Eugene
ICN
Seoul
$875 Roundtrip, found 2 days ago
$875
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Mar 24 from Eugene to Seoul, returning Mon, Apr 6, priced at $875 found 2 days ago
Alaska Airlines
Tue, Mar 24 - Mon, Apr 6
EUG
Eugene
ICN
Seoul
$881 Roundtrip, found 2 days ago
$881
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Mar 24 from Eugene to Seoul, returning Mon, Apr 6, priced at $881 found 2 days ago
Alaska Airlines
Wed, Mar 11 - Sun, Mar 15
EUG
Eugene
ICN
Seoul
$905 Roundtrip, found 2 days ago
$905
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Mar 11 from Eugene to Seoul, returning Sun, Mar 15, priced at $905 found 2 days ago
Alaska Airlines
Wed, Mar 11 - Sun, Mar 15
EUG
Eugene
ICN
Seoul
$911 Roundtrip, found 2 days ago
$911
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Mar 11 from Eugene to Seoul, returning Sun, Mar 15, priced at $911 found 2 days ago
Alaska Airlines
Wed, Mar 11 - Sun, Mar 15
EUG
Eugene
ICN
Seoul
$917 Roundtrip, found 2 days ago
$917
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Mar 11 from Eugene to Seoul, returning Sun, Mar 15, priced at $917 found 2 days ago
United
Mon, Dec 8 - Tue, Dec 30
EUG
Eugene
ICN
Seoul
$927 Roundtrip, found 9 hours ago
$927
Roundtrip
found 9 hours ago
Select United flight, departing Mon, Dec 8 from Eugene to Seoul, returning Tue, Dec 30, priced at $927 found 9 hours ago
Hawaiian Airlines
Wed, Jan 21 - Fri, Feb 6
EUG
Eugene
ICN
Seoul
$927 Roundtrip, found 1 day ago
$927
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Eugene to Seoul, returning Fri, Feb 6, priced at $927 found 1 day ago
Delta
Mon, Jan 26 - Wed, Feb 11
EUG
Eugene
ICN
Seoul
$927 Roundtrip, found 1 day ago
$927
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 26 from Eugene to Seoul, returning Wed, Feb 11, priced at $927 found 1 day ago
American Airlines
Mon, Dec 8 - Fri, Dec 26
EUG
Eugene
ICN
Seoul
$932 Roundtrip, found 8 hours ago
$932
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Dec 8 from Eugene to Seoul, returning Fri, Dec 26, priced at $932 found 8 hours ago
Alaska Airlines
Wed, Aug 19 - Mon, Aug 31
EUG
Eugene
ICN
Seoul
$933 Roundtrip, found 16 hours ago
$933
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Eugene to Seoul, returning Mon, Aug 31, priced at $933 found 16 hours ago

Frequently asked questions

How much does a flight from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN) cost?
Secure a cheap one-way flight from $458 or cheap return flight from $875 from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN)?
March is the cheapest month to fly from EUG to ICN. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN)?
To find the cheapest airline flying from EUG to ICN, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN)?
Nonstop flights from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EUG to ICN?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN)?
To land at Incheon Intl. Airport (ICN) on schedule, book a flight that leaves Mahlon Sweet Field Airport (EUG) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN) last-minute?
Booking your plane ticket from EUG to ICN right before your journey is usually more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book an EUG to ICN flight and hotel package?
Compared with arranging hotels and flights separately, booking an EUG to ICN flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Mahlon Sweet Field Airport (EUG) to Incheon Intl. Airport (ICN)?
Typically, you're able to cancel or reschedule your EUG to ICN flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Eugene
Destination airport
Incheon Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Korean Air, United
Roundtrip price
$874
Distance
5318 mi

Book with confidence

Book with confidence

Eugene to Seoul Flights

The cheapest times to fly from Eugene to Seoul

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

 

The best time to book a flight from Eugene to Seoul

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

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 Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $458 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 Seoul 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 Seoul 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.

 

Eugene to Seoul Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.