$672 Cheap Flights from Houston (IAH) to Seoul (GMP)

View $672 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP)

Cheap Flights from Houston to Seoul (IAH-GMP)

Prices were available within the past 7 days and start at $672 for one-way flights and $1,126 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Tue, Oct 14 - Wed, Oct 22
IAH
Houston
GMP
Seoul
$1,126 Roundtrip, found 2 days ago
$1,126
Roundtrip
found 2 days ago
Select EVA Airways flight, departing Tue, Oct 14 from Houston to Seoul, returning Wed, Oct 22, priced at $1,126 found 2 days ago
Air Canada
Wed, Nov 5 - Fri, Nov 14
IAH
Houston
GMP
Seoul
$1,148 Roundtrip, found 5 days ago
$1,148
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Nov 5 from Houston to Seoul, returning Fri, Nov 14, priced at $1,148 found 5 days ago
EVA Airways
Mon, Oct 13 - Wed, Oct 22
IAH
Houston
GMP
Seoul
$1,161 Roundtrip, found 2 days ago
$1,161
Roundtrip
found 2 days ago
Select EVA Airways flight, departing Mon, Oct 13 from Houston to Seoul, returning Wed, Oct 22, priced at $1,161 found 2 days ago
Air Canada
Wed, Nov 5 - Fri, Nov 14
IAH
Houston
GMP
Seoul
$1,163 Roundtrip, found 5 days ago
$1,163
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Nov 5 from Houston to Seoul, returning Fri, Nov 14, priced at $1,163 found 5 days ago
EVA Airways
Mon, Oct 13 - Fri, Oct 17
IAH
Houston
GMP
Seoul
$1,201 Roundtrip, found 2 days ago
$1,201
Roundtrip
found 2 days ago
Select EVA Airways flight, departing Mon, Oct 13 from Houston to Seoul, returning Fri, Oct 17, priced at $1,201 found 2 days ago
EVA Airways
Mon, Oct 13 - Wed, Oct 29
IAH
Houston
GMP
Seoul
$1,251 Roundtrip, found 2 days ago
$1,251
Roundtrip
found 2 days ago
Select EVA Airways flight, departing Mon, Oct 13 from Houston to Seoul, returning Wed, Oct 29, priced at $1,251 found 2 days ago
EVA Airways
Tue, Oct 14 - Sat, Oct 18
IAH
Houston
GMP
Seoul
$1,291 Roundtrip, found 2 days ago
$1,291
Roundtrip
found 2 days ago
Select EVA Airways flight, departing Tue, Oct 14 from Houston to Seoul, returning Sat, Oct 18, priced at $1,291 found 2 days ago
Japan Airlines
Tue, Jan 20 - Tue, Feb 3
IAH
Houston
GMP
Seoul
$1,443 Roundtrip, found 4 hours ago
$1,443
Roundtrip
found 4 hours ago
Select Japan Airlines flight, departing Tue, Jan 20 from Houston to Seoul, returning Tue, Feb 3, priced at $1,443 found 4 hours ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
IAH
Houston
GMP
Seoul
$1,445 Roundtrip, found 2 days ago
$1,445
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Houston to Seoul, returning Wed, Nov 5, priced at $1,445 found 2 days ago
Air China
Thu, Oct 23 - Fri, Nov 7
IAH
Houston
GMP
Seoul
$1,474 Roundtrip, found 1 day ago
$1,474
Roundtrip
found 1 day ago
Select Air China flight, departing Thu, Oct 23 from Houston to Seoul, returning Fri, Nov 7, priced at $1,474 found 1 day ago

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP) cost?
Get a cheap one-way flight from $672 or cheap return flight from $1,126 from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP)?
The cheapest month to fly from IAH to GMP is October, when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAH to GMP flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP)?
There are no daily direct flights from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from IAH to GMP?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP)?
Book a flight from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP) last-minute?
Holding off until just before your departure to book a flight from IAH to GMP generally means paying more. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book an IAH to GMP flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAH to GMP flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Gimpo Intl. Airport (GMP)?
If you booked your IAH to GMP flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Gimpo Intl.
Airlines serving
Air China, All Nippon Airways, Japan Airlines
Roundtrip price
$1,125
Distance
7033 mi

Book with confidence

Book with confidence

Houston to Seoul Flights

The cheapest times to fly from Houston to Seoul

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

 

The best time to book a flight from Houston to Seoul

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

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 Houston to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $672 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 Houston to Seoul 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 Houston to Seoul 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.

 

Houston to Seoul Flights

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*Available to One Key members.