$841 Cheap Flights from Seoul (GMP) to San Antonio (SAT)

View $841 flight on Sat, Oct 11, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to San Antonio International Airport (SAT)

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Cheap Flights from Seoul to San Antonio (GMP-SAT)

Prices were available within the past 7 days and start at $841 for one-way flights and $1,496 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Tue, Mar 31 - Fri, Apr 10
GMP
Seoul
SAT
San Antonio
$1,496 Roundtrip, found 3 days ago
$1,496
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Tue, Mar 31 from Seoul to San Antonio, returning Fri, Apr 10, priced at $1,496 found 3 days ago
Japan Airlines
Fri, Jan 30 - Mon, Feb 23
GMP
Seoul
SAT
San Antonio
$1,528 Roundtrip, found 4 days ago
$1,528
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Fri, Jan 30 from Seoul to San Antonio, returning Mon, Feb 23, priced at $1,528 found 4 days ago
Japan Airlines
Fri, Nov 21 - Fri, Nov 28
GMP
Seoul
SAT
San Antonio
$1,548 Roundtrip, found 2 hours ago
$1,548
Roundtrip
found 2 hours ago
Select Japan Airlines flight, departing Fri, Nov 21 from Seoul to San Antonio, returning Fri, Nov 28, priced at $1,548 found 2 hours ago
Japan Airlines
Mon, Mar 30 - Fri, Apr 10
GMP
Seoul
SAT
San Antonio
$1,560 Roundtrip, found 4 days ago
$1,560
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Mon, Mar 30 from Seoul to San Antonio, returning Fri, Apr 10, priced at $1,560 found 4 days ago
Japan Airlines
Fri, Jan 30 - Mon, Feb 23
GMP
Seoul
SAT
San Antonio
$1,565 Roundtrip, found 4 days ago
$1,565
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Fri, Jan 30 from Seoul to San Antonio, returning Mon, Feb 23, priced at $1,565 found 4 days ago
Japan Airlines
Tue, Apr 14 - Thu, Apr 23
GMP
Seoul
SAT
San Antonio
$1,581 Roundtrip, found 2 days ago
$1,581
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Tue, Apr 14 from Seoul to San Antonio, returning Thu, Apr 23, priced at $1,581 found 2 days ago
Japan Airlines
Mon, Mar 30 - Fri, Apr 10
GMP
Seoul
SAT
San Antonio
$1,584 Roundtrip, found 4 days ago
$1,584
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Mon, Mar 30 from Seoul to San Antonio, returning Fri, Apr 10, priced at $1,584 found 4 days ago
Japan Airlines
Fri, Nov 21 - Fri, Nov 28
GMP
Seoul
SAT
San Antonio
$1,591 Roundtrip, found 2 hours ago
$1,591
Roundtrip
found 2 hours ago
Select Japan Airlines flight, departing Fri, Nov 21 from Seoul to San Antonio, returning Fri, Nov 28, priced at $1,591 found 2 hours ago
Japan Airlines
Fri, Jan 23 - Tue, Mar 3
GMP
Seoul
SAT
San Antonio
$1,594 Roundtrip, found 5 days ago
$1,594
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Fri, Jan 23 from Seoul to San Antonio, returning Tue, Mar 3, priced at $1,594 found 5 days ago
Japan Airlines
Tue, Mar 17 - Mon, Jun 1
GMP
Seoul
SAT
San Antonio
$1,600 Roundtrip, found 2 days ago
$1,600
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Tue, Mar 17 from Seoul to San Antonio, returning Mon, Jun 1, priced at $1,600 found 2 days ago

Frequently asked questions

How much does a flight from Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT) cost?
Get a cheap one-way flight from $841 or cheap return flight from $1,496 from Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT) 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 Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT)?
The cheapest month to fly from GMP to SAT is March, when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest GMP to SAT flight.
How many flights per day from Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT)?
You'll have to hop on a flight with a layover if you're traveling from Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from GMP to SAT?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT)?
To reach San Antonio Intl. Airport (SAT) on time, pick a flight that takes off from Gimpo Intl. Airport (GMP) 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 Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT) last-minute?
Booking your ticket from GMP to SAT just before your journey is generally more expensive. But if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a GMP to SAT flight and hotel package?
Compared with arranging hotels and flights separately, booking a GMP to SAT flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to San Antonio Intl. Airport (SAT)?
It's usually possible to reschedule or cancel your GMP to SAT flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Gimpo Intl.
Destination airport
San Antonio Intl.
Roundtrip price
$1,495
Distance
6954 mi

Book with confidence

Book with confidence

Seoul to San Antonio Flights

The cheapest times to fly from Seoul to San Antonio

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

 

The best time to book a flight from Seoul to San Antonio

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

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 Seoul to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $841 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 Seoul to San Antonio 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 Seoul to San Antonio 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.

 

Seoul to San Antonio Flights

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*Available to One Key members.