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$402+ Cheap flights from Incheon Intl (ICN) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — HOU
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Incheon Intl to Houston

Cheapest flights from Incheon Intl to Houston
Explore the most affordable flight options available from Incheon Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:35 amICN - HOU
2 stops28h 36mDelta
Mon 1/195:04 pmHOU - ICN
2 stops31h 26mDelta
Deal found 12/16$869
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:35 amICN - IAH
2 stops29h 16mDelta
Tue 1/206:41 pmIAH - ICN
2 stops30h 49mDelta
Deal found 12/16$869
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:35 amICN - HOU
2 stops28h 36mDelta
Tue 1/205:04 pmHOU - ICN
2 stops32h 46mDelta
Deal found 12/16$884
This Trip.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:20 amICN - IAH
1 stop35h 55mMultiple Airlines
Tue 1/209:25 amIAH - ICN
1 stop21h 15mMultiple Airlines
Deal found 12/16$899
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:35 amICN - IAH
2 stops29h 16mDelta
Fri 1/2311:34 amIAH - ICN
2 stops37h 56mDelta
Deal found 12/16$920
This Korean Air deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:30 pmICN - IAH
1 stop19h 08mKorean Air
Mon 1/196:36 amIAH - ICN
1 stop17h 54mKorean Air
Deal found 12/16$930
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:35 amICN - HOU
2 stops28h 36mDelta
Fri 1/235:45 amHOU - ICN
1 stop33h 00mDelta
Deal found 12/16$935
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 pmICN - IAH
2 stops19h 20mUnited Airlines
Sun 1/45:15 amIAH - ICN
1 stop20h 00mUnited Airlines
Deal found 12/15$947
This Korean Air deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:30 pmICN - IAH
1 stop19h 08mKorean Air
Fri 1/236:36 amIAH - ICN
1 stop17h 54mKorean Air
Deal found 12/16$980
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:35 amICN - HOU
2 stops28h 36mDelta
Sun 1/1811:09 amHOU - ICN
2 stops37h 21mDelta
Deal found 12/16$1,005
This Korean Air deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:25 pmICN - HOU
1 stop18h 46mKorean Air
Wed 1/215:45 amHOU - ICN
1 stop19h 05mKorean Air
Deal found 12/16$1,564
This Korean Air deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:25 pmICN - HOU
1 stop18h 46mKorean Air
Fri 1/235:45 amHOU - ICN
1 stop33h 00mKorean Air
Deal found 12/16$1,615

Find flight deals from Incheon Intl to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 16, 2025.

Round-trip from

$643
(American Airlines)

One-way from

$402
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$864
From Incheon Intl to Houston
Search Deals
One-way flight from Incheon Intl to Houston
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Houston that are best for you.

Fly from

Incheon Intl

Fly to

Houston

Route

Depart

Return

Price

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Thu 2/5

7:15 pm-4:33 pm

2 stops36h 18m

Houston George Bush Intcntl

Sun 2/8

7:37 am-4:45 pm

2 stops42h 08m

$706

IncheonHouston

ICN - HOU

ICNHOU

Incheon Intl

Mon 2/2

7:15 pm-10:05 am

1 stop29h 50m

Houston Hobby

Mon 2/9

6:00 am-4:45 pm

1 stop19h 45m

$795

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Thu 2/5

8:35 pm-11:54 pm

1 stop18h 19m

Houston George Bush Intcntl

Sun 2/8

7:00 am-6:35 pm

1 stop20h 35m

$799

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Fri 4/24

7:20 pm-9:38 pm

1 stop16h 18m

Houston George Bush Intcntl

Sun 4/26

7:50 am-3:20 pm

1 stop17h 30m

$802

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Mon 4/27

7:20 pm-1:29 pm

1 stop32h 09m

Houston George Bush Intcntl

Tue 7/28

5:50 pm-5:20 pm

1 stop33h 30m

$802

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Mon 2/2

7:30 pm-11:15 pm

1 stop18h 45m

Houston George Bush Intcntl

Mon 2/9

6:37 pm-3:30 pm

2 stops29h 53m

$802

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Mon 3/16

8:35 pm-11:54 pm

1 stop17h 19m

Houston George Bush Intcntl

Sat 4/25

7:35 am-6:35 pm

1 stop21h 00m

$803

IncheonHouston

ICN - HOU

ICNHOU

Incheon Intl

Mon 2/2

7:30 pm-10:21 am

2 stops29h 51m

Houston Hobby

Mon 2/9

5:04 pm-3:30 pm

2 stops31h 26m

$804

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Fri 1/30

8:35 pm-11:54 pm

1 stop18h 19m

Houston George Bush Intcntl

Fri 2/6

7:00 am-6:35 pm

1 stop20h 35m

$809

IncheonHouston

ICN - IAH

ICNIAH

Incheon Intl

Mon 3/16

9:35 am-9:11 pm

2 stops25h 36m

Houston George Bush Intcntl

Sat 4/25

6:35 pm-3:20 pm

1 stop30h 45m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 30 results
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Best time to book a flight from Incheon Intl to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Incheon Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to Houston

What is the cheapest month to book a flight from Incheon Intl Airport to Houston?

Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Houston (average of $645). Flying from Incheon Intl Airport to Houston in July is currently the most expensive (average of $1,103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ICN to HOU?

Find hourly flight availability from Incheon Intl to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

One of the essential ways to save on airfare from Incheon Intl Airport to Houston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 30% on airfare.

How much does it cost to fly round-trip from Incheon Intl Airport to Houston?

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated December 16, 2025.
Read reviews from past customers who have flown Korean Air, Asiana Airlines, and Delta from Incheon Intl Airport to Houston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
493 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,008 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Incheon Intl Airport to Houston?

    For as low as $802, American Airlines can have you in Houston from Incheon Intl Airport in 16h 18m. There are 7046 mi between Incheon Intl Airport and Houston. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Incheon Intl Airport to Houston round-trip?

    According to our current data, Delta ($807), Asiana Airlines ($1,027), and Korean Air ($1,155) offers the cheapest pricing from Incheon Intl Airport to Houston. You may be able to fly from Incheon Intl Airport to Houston for 26% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Houston one-way?

    $443 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $452 and $905, respectively.

  • Can I find deals for flights from Incheon Intl to Houston that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Houston.

  • Can I find deals for business class flights from Incheon Intl to Houston?

    Yes. Cheapflights offers flight deals from Incheon Intl to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Incheon Intl Airport to Houston?

    Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Houston (average of $645). Flying from Incheon Intl Airport to Houston in July is currently the most expensive (average of $1,103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Incheon Intl to Houston

Discover the top 3 airlines that operate flights from Incheon Intl to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$807Average$1,038FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$1,027Average$1,305FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,155Average$1,479FlexibilityNo cancel feeOn-time81%

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