$659 Cheap Flights from Seoul (ICN) to Houston (IAH)

View $659 flight on Tue, Dec 2, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Houston (ICN-IAH)

Prices were available within the past 7 days and start at $659 for one-way flights and $809 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, May 13 - Sat, May 17
ICN
Seoul
IAH
Houston
$809 Roundtrip, found 3 days ago
$809
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, May 13 from Seoul to Houston, returning Sat, May 17, priced at $809 found 3 days ago
Air Canada
Tue, May 27 - Sun, Jun 22
ICN
Seoul
IAH
Houston
$811 Roundtrip, found 3 days ago
$811
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, May 27 from Seoul to Houston, returning Sun, Jun 22, priced at $811 found 3 days ago
Air Canada
Wed, May 28 - Wed, Jun 4
ICN
Seoul
IAH
Houston
$814 Roundtrip, found 2 days ago
$814
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, May 28 from Seoul to Houston, returning Wed, Jun 4, priced at $814 found 2 days ago
Air Canada
Tue, May 13 - Tue, May 27
ICN
Seoul
IAH
Houston
$815 Roundtrip, found 5 days ago
$815
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, May 13 from Seoul to Houston, returning Tue, May 27, priced at $815 found 5 days ago
Air Canada
Tue, May 13 - Sat, May 17
ICN
Seoul
IAH
Houston
$819 Roundtrip, found 3 days ago
$819
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, May 13 from Seoul to Houston, returning Sat, May 17, priced at $819 found 3 days ago
Air Canada
Tue, Sep 16 - Tue, Sep 23
ICN
Seoul
IAH
Houston
$821 Roundtrip, found 3 days ago
$821
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Sep 16 from Seoul to Houston, returning Tue, Sep 23, priced at $821 found 3 days ago
Jeju Air
Tue, Sep 16 - Wed, Sep 17
ICN
Seoul
IAH
Houston
$921 Roundtrip, found 19 hours ago
$921
Roundtrip
found 19 hours ago
Select Jeju Air flight, departing Tue, Sep 16 from Seoul to Houston, returning Wed, Sep 17, priced at $921 found 19 hours ago
EVA Airways
Fri, Sep 12 - Sat, Sep 13
ICN
Seoul
IAH
Houston
$1,044 Roundtrip, found 5 hours ago
$1,044
Roundtrip
found 5 hours ago
Select EVA Airways flight, departing Fri, Sep 12 from Seoul to Houston, returning Sat, Sep 13, priced at $1,044 found 5 hours ago
American Airlines
Mon, Nov 10 - Thu, Dec 4
ICN
Seoul
IAH
Houston
$1,081 Roundtrip, found 2 days ago
$1,081
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 10 from Seoul to Houston, returning Thu, Dec 4, priced at $1,081 found 2 days ago
WestJet
Tue, Sep 16 - Wed, Sep 17
ICN
Seoul
IAH
Houston
$1,180 Roundtrip, found 19 hours ago
$1,180
Roundtrip
found 19 hours ago
Select WestJet flight, departing Tue, Sep 16 from Seoul to Houston, returning Wed, Sep 17, priced at $1,180 found 19 hours ago
Flights from Seoul (ICN) to Houston (IAH)
Origin airport
Incheon Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, Air China, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Delta, EVA Airways, Japan Airlines, Korean Air, United, WestJet
Roundtrip price
$809
Distance
7050 mi

Seoul to Houston Flights

The cheapest times to fly from Seoul to Houston

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

The best time to book a flight from Seoul to Houston

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

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 Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $659 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 Houston 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 Houston 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 Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH) cost?
Discover the latest flight deals from ICN to IAH 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 ICN to IAH?
The cheapest flights from ICN to IAH 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 ICN to IAH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ICN to IAH. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH)?
You’ll have to book a flight with a layover when traveling from Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH). Direct flights don’t operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ICN to IAH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the carrier 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 Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH)?
To land at George Bush Intercontinental Airport (IAH) on time, opt for a flight that leaves Incheon Intl. Airport (ICN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from ICN to IAH are usually more expensive. To secure the best prices, start searching for flights well ahead of time. That said, if your travel plans are flexible, it’s possible to find a cheap ticket just before your departure.
Is it cheaper to book an ICN to IAH flight and hotel package?
Compared with arranging flights and hotels separately, booking an ICN to IAH flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH)?
If you booked your ICN to IAH flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare 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, go to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.