$474 Cheap Flights from Houston (IAH) to Seoul (ICN)

View $474 flight on Sat, Sep 13, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Incheon Intl. Airport (ICN)

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Find available prices by choosing your travel dates.

Cheap Flights from Houston to Seoul (IAH-ICN)

Prices were available within the past 7 days and start at $474 for one-way flights and $840 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 13 - Mon, Sep 22
IAH
Houston
ICN
Seoul
$840 Roundtrip, just found
$840
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 13 from Houston to Seoul, returning Mon, Sep 22, priced at $840 just found
Delta
Tue, Aug 26 - Tue, Sep 9
IAH
Houston
ICN
Seoul
$842 Roundtrip, just found
$842
Roundtrip
just found
Select Delta flight, departing Tue, Aug 26 from Houston to Seoul, returning Tue, Sep 9, priced at $842 just found
Korean Air
Tue, Aug 26 - Tue, Sep 9
IAH
Houston
ICN
Seoul
$843 Roundtrip, just found
$843
Roundtrip
just found
Select Korean Air flight, departing Tue, Aug 26 from Houston to Seoul, returning Tue, Sep 9, priced at $843 just found
Korean Air
Tue, Aug 26 - Tue, Sep 9
IAH
Houston
ICN
Seoul
$843 Roundtrip, just found
$843
Roundtrip
just found
Select Korean Air flight, departing Tue, Aug 26 from Houston to Seoul, returning Tue, Sep 9, priced at $843 just found
Alaska Airlines
Sat, Sep 13 - Mon, Sep 22
IAH
Houston
ICN
Seoul
$847 Roundtrip, just found
$847
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 13 from Houston to Seoul, returning Mon, Sep 22, priced at $847 just found
WestJet
Mon, Sep 8 - Thu, Sep 11
IAH
Houston
ICN
Seoul
$934 Roundtrip, found 3 hours ago
$934
Roundtrip
found 3 hours ago
Select WestJet flight, departing Mon, Sep 8 from Houston to Seoul, returning Thu, Sep 11, priced at $934 found 3 hours ago
Turkish Airlines
Mon, Apr 28 - Tue, May 6
IAH
Houston
ICN
Seoul
$1,077 Roundtrip, found 7 hours ago
$1,077
Roundtrip
found 7 hours ago
Select Turkish Airlines flight, departing Mon, Apr 28 from Houston to Seoul, returning Tue, May 6, priced at $1,077 found 7 hours ago
EVA Airways
Tue, Aug 26 - Tue, Sep 9
IAH
Houston
ICN
Seoul
$1,143 Roundtrip, just found
$1,143
Roundtrip
just found
Select EVA Airways flight, departing Tue, Aug 26 from Houston to Seoul, returning Tue, Sep 9, priced at $1,143 just found
Air Canada
Mon, Aug 25 - Mon, Sep 8
IAH
Houston
ICN
Seoul
$1,301 Roundtrip, just found
$1,301
Roundtrip
just found
Select Air Canada flight, departing Mon, Aug 25 from Houston to Seoul, returning Mon, Sep 8, priced at $1,301 just found
United
Tue, Aug 26 - Tue, Sep 9
IAH
Houston
ICN
Seoul
$1,408 Roundtrip, just found
$1,408
Roundtrip
just found
Select United flight, departing Tue, Aug 26 from Houston to Seoul, returning Tue, Sep 9, priced at $1,408 just found
Flights from Houston (IAH) to Seoul (ICN)
Origin airport
George Bush Intercontinental
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, Alaska Airlines, American Airlines, Delta, EVA Airways, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Turkish Airlines, United, WestJet
Roundtrip price
$839
Distance
7050 mi

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 September. 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 $474 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.

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Incheon Intl. Airport (ICN) cost?
Discover the latest flight deals from IAH to ICN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAH to ICN?
The cheapest flights from IAH to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAH to ICN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IAH to ICN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Incheon Intl. Airport (ICN)?
Nonstop flights from George Bush Intercontinental Airport (IAH) to Incheon Intl. Airport (ICN) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from IAH to ICN?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 George Bush Intercontinental Airport (IAH) to Incheon Intl. Airport (ICN)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Incheon Intl. Airport (ICN) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Incheon Intl. Airport (ICN) last-minute?
Last-minute bookings from IAH to ICN are usually more expensive. To lock in the lowest rates, start searching for flights as soon as possible. That said, if you’re flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book an IAH to ICN flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAH to ICN flight and hotel package with Expedia could lead to significant savings. What’s more, managing everything in one place will take the stress out of travel planning. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Incheon Intl. Airport (ICN)?
You can usually reschedule or cancel your IAH to ICN flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.