The cheapest times to fly from EUG to GMP are

  • January 1st to February 18th
  • April 2nd to April 15th
  • August 13th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from EUG to GMP is early September. Prices can be as high as $3441 for Friday flights during early to mid June, or as low as $1011 for Tuesday flights around early September.


When to Fly to Seoul

Flying from Eugene, OR (EUG) to Seoul (GMP) will usually cost between $1163 to $2593 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $1183. Due to high demand the most expensive time to fly is early to mid June, with an average price of $2708. Planning your trip to low-cost times can easily save you $1526 on economy flights and even more on first-class flights. Generally, any price below $1621 can be considered a good price for a round-trip EUG to GMP flight.

See below for a graph of average weekly prices for the EUG to GMP route. All prices are for round-trip tickets in USD.

EUG to GMP Flight Prices

Compared to other flights, the EUG to GMP flight is more expensive than the average and costs more than the average flight leaving from Eugene. The average price per mile (for a direct flight) is $0.19, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Seoul, and Sundays are the most expensive days to return to Eugene. Selecting flights on the least expensive days could save you up to $210 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1575. Return trip prices are from the GMP to EUG flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from EUG to GMP can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 31 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from EUG to GMP while comparing.

Destination alternative #1: Incheon International Airport (ICN) in Seoul

  • 20 miles (32 km) away from GMP
  • Usually 14.07% less expensive than GMP
  • 1-layover flights available

See EUG to ICN flights


Flight Hacking EUG to GMP

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from EUG to GMP — but Champion Traveler does!

Hack #1: Beijing (EUG > PEK > GMP)

  • Price for both tickets: $1043
  • Average savings: $578 (35.66%)

See EUG to PEK flights

Hack #2: Seattle, WA (EUG > SEA > GMP)

  • Price for both tickets: $1117
  • Average savings: $504 (31.09%)

See EUG to SEA flights

Hack #3: Los Angeles, CA (EUG > LAX > GMP)

  • Price for both tickets: $1251
  • Average savings: $371 (22.86%)

See EUG to LAX flights


Flight Questions Answered

Still have questions about flying from EUG to GMP? We’ve got answers.

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Alaska, American, ANA, Asiana, China Airlines, China Southern, Delta, Hainan, JAL, Korean Air, United, and potentially more during busy seasons.

How far away is it from Gimpo International Airport to Mahlon Sweet Field Airport?

The distance between the two airports is roughly 5299 miles or 8528 kilometers.

How long does it take to fly from EUG to GMP?

The real-world flight time for a nonstop EUG to GMP flight is about 10 hour 31 minutes.

How many flights go between Eugene, OR and Seoul?

It depends on the day of the week and the date, but a typical day might have around 37 available flights from EUG to GMP.


Airport Location Info


Departing Airport

Origination code EUG
Origination airport name Mahlon Sweet Field Airport
City Eugene, OR
Country the United States
Latitude 44.1
Longitude -123.2

Return Airport

Destination code GMP
Destination airport name Gimpo International Airport
City Seoul
Country South Korea
Latitude 37.6
Longitude 126.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.