The cheapest times to fly from GMP to SAT are
- January 15th to April 15th
- May 14th to June 10th
- October 8th to November 11th
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 GMP to SAT is late October. Prices can be as high as $2723 for Sunday flights during early August, or as low as $777 for Tuesday flights around late October.
When to Fly to San Antonio
Flying from Seoul (GMP) to San Antonio, TX (SAT) will usually cost between $871 to $1863 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $843. Due to high demand the most expensive time to fly is early August, with an average price of $2515. Planning your trip to low-cost times can easily save you $1672 on economy flights and even more on first-class flights. Generally, any price below $1116 can be considered a good price for a round-trip GMP to SAT flight.
See below for a graph of average weekly prices for the GMP to SAT route. All prices are for round-trip tickets in USD.
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Compared to other flights, the GMP to SAT flight is slightly more expensive than the average and costs about as much as the average flight leaving from Seoul. The average price per mile (for a direct flight) is $0.1, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to San Antonio, and Thursdays are the most expensive days to return to Seoul. Selecting flights on the least expensive days could save you up to $257 (18%) 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 $1082. Return trip prices are from the SAT to GMP flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from GMP to SAT 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 30 minutes may not be realistic.
Flight Hacking GMP to SAT
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 GMP to SAT — but Champion Traveler does!
- Price for both tickets: $986
- Average savings: $131 (11.69%)
- Price for both tickets: $989
- Average savings: $128 (11.42%)
- Price for both tickets: $1022
- Average savings: $94 (8.42%)
Flight Questions Answered
Still have questions about flying from GMP to SAT? We’ve got answers.
Which airlines fly this route?
You can find 15 major airlines flying this route most often: Air Canada, Air China, Alaska, American, ANA, Asiana, Austrian, China Eastern, China Southern, Delta, JAL, Korean Air, Lufthansa, SWISS, United, and potentially more during busy seasons.
How far away is it from San Antonio International Airport to Gimpo International Airport?
The distance between the two airports is roughly 6954 miles or 11191 kilometers.
How long does it take to fly from GMP to SAT?
The real-world flight time for a nonstop GMP to SAT flight is about 13 hour 30 minutes.
How many flights go between Seoul and San Antonio, TX?
It depends on the day of the week and the date, but a typical day might have around 37 available flights from GMP to SAT.
Airport Location Info
Departing Airport
Origination code | GMP |
Origination airport name | Gimpo International Airport |
City | Seoul |
Country | South Korea |
Latitude | 37.6 |
Longitude | 126.8 |
Return Airport
Destination code | SAT |
Destination airport name | San Antonio International Airport |
City | San Antonio, TX |
Country | the United States |
Latitude | 29.5 |
Longitude | -98.5 |
Other Resources
Flights to SAT
Flights from SAT
Popular Flights
Flights to GMP
Flights from GMP
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.