The cheapest times to fly from ATL to GMP are

  • January 8th to April 22nd (except the week of January 22nd)
  • August 27th to December 9th (except the weeks of September 10th, September 24th, and October 1st)

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 ATL to GMP is early November. Prices can be as high as $2696 for Saturday flights during late December, or as low as $1201 for Monday flights around early November.


When to Fly to Seoul

Flying from Atlanta, GA (ATL) to Seoul (GMP) will usually cost between $1327 to $1978 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $1338. Due to high demand the most expensive time to fly is late December, with an average price of $1989. Planning your trip to low-cost times can easily save you $650 on economy flights and even more on first-class flights. Generally, any price below $1491 can be considered a good price for a round-trip ATL to GMP flight.

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

ATL to GMP Flight Prices

Compared to other flights, the ATL to GMP flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Atlanta. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to GMP, and Tuesday the cheapest day to fly back into ATL. Saturdays are the most expensive days to fly to Seoul, and Sundays are the most expensive days to return to Atlanta. Selecting flights on the least expensive days could save you up to $235 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1436. Return trip prices are from the GMP to ATL 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 ATL to GMP can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 48 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 ATL to GMP while comparing.

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

  • 20 miles (32 km) away from GMP
  • Usually 13.79% less expensive than GMP
  • Nonstop flights available

See ATL to ICN flights


Flight Hacking ATL 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 ATL to GMP — but Champion Traveler does!

Hack #1: Orlando, FL (ATL > MCO > GMP)

  • Price for both tickets: $1178
  • Average savings: $313 (20.97%)

See ATL to MCO flights

Hack #2: Nashville, TN (ATL > BNA > GMP)

  • Price for both tickets: $1182
  • Average savings: $309 (20.73%)

See ATL to BNA flights

Hack #3: Houston, TX (ATL > IAH > GMP)

  • Price for both tickets: $1188
  • Average savings: $303 (20.3%)

See ATL to IAH flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 18 major airlines flying this route most often: Air Canada, Air China, Air France, Alaska, American, ANA, Asiana, Austrian, China Airlines, China Eastern, China Southern, Delta, EVA Air, JAL, Korean Air, Lufthansa, SWISS, United, and potentially more during busy seasons.

How far away is it from Gimpo International Airport to Hartsfield-Jackson Atlanta International Airport?

The distance between the two airports is roughly 7123 miles or 11463 kilometers.

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

The real-world flight time for a nonstop ATL to GMP flight is about 13 hour 48 minutes.

How many flights go between Atlanta, GA and Seoul?

It depends on the day of the week and the date, but a typical day might have around 62 available flights from ATL to GMP.


Airport Location Info


Departing Airport

Origination code ATL
Origination airport name Hartsfield-Jackson Atlanta International Airport
City Atlanta, GA
Country the United States
Latitude 33.6
Longitude -84.4

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.