$437 Cheap Flights from Seoul (ICN) to Houston (IAH)

View $437 flight on Thu, Apr 23, 2026Opens in a new window

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

Cheap Flights from Seoul to Houston (ICN-IAH)

Prices were available within the past 7 days and start at $437 for one-way flights and $799 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Feb 2 - Tue, Feb 17
ICN
Seoul
IAH
Houston
$799 Roundtrip, found 4 days ago
$799
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Feb 2 from Seoul to Houston, returning Tue, Feb 17, priced at $799 found 4 days ago
Delta
Fri, Nov 21 - Tue, Dec 2
ICN
Seoul
IAH
Houston
$803 Roundtrip, found 1 day ago
$803
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Nov 21 from Seoul to Houston, returning Tue, Dec 2, priced at $803 found 1 day ago
Alaska Airlines
Wed, May 6 - Sat, May 16
ICN
Seoul
IAH
Houston
$807 Roundtrip, found 3 days ago
$807
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, May 6 from Seoul to Houston, returning Sat, May 16, priced at $807 found 3 days ago
Hawaiian Airlines
Sun, Feb 22 - Wed, Mar 11
ICN
Seoul
IAH
Houston
$808 Roundtrip, found 4 days ago
$808
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sun, Feb 22 from Seoul to Houston, returning Wed, Mar 11, priced at $808 found 4 days ago
United
Thu, Dec 25 - Thu, Jan 8
ICN
Seoul
IAH
Houston
$832 Roundtrip, found 22 hours ago
$832
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Dec 25 from Seoul to Houston, returning Thu, Jan 8, priced at $832 found 22 hours ago
Korean Air
Fri, Nov 21 - Tue, Dec 2
ICN
Seoul
IAH
Houston
$873 Roundtrip, found 1 day ago
$873
Roundtrip
found 1 day ago
Select Korean Air flight, departing Fri, Nov 21 from Seoul to Houston, returning Tue, Dec 2, priced at $873 found 1 day ago
Asiana Airlines
Mon, Nov 24 - Mon, Nov 24
ICN
Seoul
IAH
Houston
$936 Roundtrip, found 5 days ago
$936
Roundtrip
found 5 days ago
Select Asiana Airlines flight, departing Mon, Nov 24 from Seoul to Houston, returning Mon, Nov 24, priced at $936 found 5 days ago
Air Canada
Mon, Nov 3 - Sat, May 2
ICN
Seoul
IAH
Houston
$989 Roundtrip, found 3 days ago
$989
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 3 from Seoul to Houston, returning Sat, May 2, priced at $989 found 3 days ago
EVA Airways
Mon, Apr 20 - Mon, Apr 27
ICN
Seoul
IAH
Houston
$1,066 Roundtrip, found 2 days ago
$1,066
Roundtrip
found 2 days ago
Select EVA Airways flight, departing Mon, Apr 20 from Seoul to Houston, returning Mon, Apr 27, priced at $1,066 found 2 days ago
WestJet
Sat, May 23 - Sat, May 30
ICN
Seoul
IAH
Houston
$1,073 Roundtrip, found 15 hours ago
$1,073
Roundtrip
found 15 hours ago
Select WestJet flight, departing Sat, May 23 from Seoul to Houston, returning Sat, May 30, priced at $1,073 found 15 hours ago

Find the cheapest month to fly from Seoul (ICN) to Houston (IAH)

September is typically the cheapest month to fly

From $687 - $1,222 per traveler.

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $813
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $813
Flights from Seoul (ICN) to Houston (IAH)
Origin airport
Incheon Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, Air China, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Austrian Airlines, Delta, EVA Airways, Emirates, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United, WestJet
Roundtrip price
$798
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 February. 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 $437 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?
Get a cheap one-way flight from $437 or cheap return flight from $799 from Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH)?
The cheapest month to fly from ICN to IAH is February, when there's less demand. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to George Bush Intercontinental Airport (IAH)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from ICN to IAH. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
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.

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*Available to One Key members.