The cheapest times to fly from HOU to GMP are

  • January 15th to March 4th (except the weeks of January 22nd and February 12th)
  • July 16th to December 2nd

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 HOU to GMP is mid to late August. Prices can be as high as $2611 for Friday flights during late June, or as low as $935 for Monday flights around mid to late August.


When to Fly to Seoul

Flying from Houston, TX (HOU) to Seoul (GMP) will usually cost between $948 to $2224 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $955. Due to high demand the most expensive time to fly is late June, with an average price of $2228. Planning your trip to low-cost times can easily save you $1273 on economy flights and even more on first-class flights. Generally, any price below $1515 can be considered a good price for a round-trip HOU to GMP flight.

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

HOU to GMP Flight Prices

Compared to other flights, the HOU to GMP flight is more expensive than the average and costs about as much as the average flight leaving from Houston. 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 HOU. Fridays are the most expensive days to fly to Seoul, and Saturdays are the most expensive days to return to Houston. Selecting flights on the least expensive days could save you up to $112 (7%) 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 $1491. Return trip prices are from the GMP to HOU 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 HOU 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 13 hour 41 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 HOU to GMP while comparing.

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

  • 20 miles (32 km) away from GMP
  • Usually 10.73% less expensive than GMP
  • 1-layover flights available

See HOU to ICN flights


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

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

  • Price for both tickets: $1190
  • Average savings: $325 (21.43%)

See HOU to PEK flights

Hack #2: Philadelphia, PA (HOU > PHL > GMP)

  • Price for both tickets: $1289
  • Average savings: $226 (14.92%)

See HOU to PHL flights

Hack #3: Cincinnati, OH (HOU > CVG > GMP)

  • Price for both tickets: $1306
  • Average savings: $209 (13.8%)

See HOU to CVG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 8 major airlines flying this route most often: American, ANA, Asiana, China Southern, Delta, JAL, JetBlue, Korean Air, and potentially more during busy seasons.

How far away is it from Gimpo International Airport to William P Hobby Airport?

The distance between the two airports is roughly 7054 miles or 11352 kilometers.

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

The real-world flight time for a nonstop HOU to GMP flight is about 13 hour 41 minutes.

How many flights go between Houston, TX and Seoul?

It depends on the day of the week and the date, but a typical day might have around 30 available flights from HOU to GMP.


Airport Location Info


Departing Airport

Origination code HOU
Origination airport name William P Hobby Airport
City Houston, TX
Country the United States
Latitude 29.6
Longitude -95.3

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.