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$437+ Cheap flights from Incheon Intl (ICN) to San Antonio (SAT)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SAT
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from Incheon Intl to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to San Antonio (SAT). 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 August 19, 2025.

Round-trip from

$663
(United Airlines)

One-way from

$437
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,817
From Incheon Intl to San Antonio
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One-way flight from Incheon Intl to San Antonio
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Highest demand for flights based on searches. 12% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Incheon Intl to San Antonio

Cheapest flights from Incheon Intl to San Antonio
Explore the most affordable flight options available from Incheon Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 12/256:00 pmICN - SAT
1 stop20h 59mUnited Airlines
Mon 1/127:30 pmSAT - ICN
1 stop19h 10mUnited Airlines
Deal found 8/18$663
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2512:45 pmICN - SAT
1 stop20h 27mMultiple Airlines
Wed 10/292:59 pmSAT - ICN
1 stop24h 21mMultiple Airlines
Deal found 8/18$672
This Delta deal was found by Cheapflights users on 8/18. 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.
Mon 12/228:05 pmICN - SAT
2 stops19h 50mDelta
Mon 1/56:05 pmSAT - ICN
2 stops31h 25mDelta
Deal found 8/18$686
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:45 pmICN - SAT
2 stops21h 52mUnited Airlines
Thu 11/135:40 pmSAT - ICN
1 stop21h 00mUnited Airlines
Deal found 8/16$717
This Trip.com deal was found by Cheapflights users on 8/18. 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.
Wed 12/2412:45 pmICN - SAT
1 stop26h 14mUnited Airlines
Sat 1/38:52 amSAT - ICN
1 stop40h 23mUnited Airlines
Deal found 8/18$734
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 8/2511:30 amICN - SAT
1 stop24h 47mUnited Airlines
Mon 9/294:24 pmSAT - ICN
2 stops21h 56mUnited Airlines
Deal found 8/17$735
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 12/257:25 pmICN - SAT
1 stop18h 40mDelta
Fri 1/27:09 pmSAT - ICN
1 stop30h 11mDelta
Deal found 8/17$753
This Korean Air deal was found by Cheapflights users on 8/18. 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.
Mon 12/227:30 pmICN - SAT
1 stop17h 15mMultiple Airlines
Mon 1/56:30 amSAT - ICN
1 stop18h 00mMultiple Airlines
Deal found 8/18$758
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 8/314:50 pmICN - SAT
1 stop19h 27mUnited Airlines
Mon 9/296:00 pmSAT - ICN
1 stop20h 20mUnited Airlines
Deal found 8/17$789
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 12/2612:45 pmICN - SAT
2 stops21h 56mUnited Airlines
Mon 1/124:45 pmSAT - ICN
2 stops21h 55mUnited Airlines
Deal found 8/18$807
This Delta deal was found by Cheapflights users on 8/16. 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.
Fri 12/194:10 pmICN - SAT
2 stops23h 36mDelta
Fri 1/912:25 pmSAT - ICN
1 stop36h 55mDelta
Deal found 8/16$812

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to San Antonio 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 August 19, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to San Antonio that are best for you.

Fly from

Incheon Intl

Fly to

San Antonio

Route

Depart

Return

Price

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Fri 12/26

12:45 pm-11:59 pm

1 stop26h 14m

San Antonio

Mon 1/12

7:30 pm-4:15 pm

1 stop29h 45m

$663

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Tue 9/9

11:30 am-10:17 pm

1 stop24h 47m

San Antonio

Wed 10/1

6:00 pm-4:20 am

1 stop20h 20m

$663

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Mon 11/10

6:00 pm-10:56 pm

2 stops19h 56m

San Antonio

Thu 11/13

5:40 pm-5:40 am

1 stop21h 00m

$663

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Thu 12/25

6:00 pm-11:59 pm

1 stop20h 59m

San Antonio

Mon 1/12

4:45 pm-5:40 am

2 stops21h 55m

$663

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Fri 10/24

6:20 pm-4:37 pm

2 stops36h 17m

$437

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sat 10/25

12:45 pm-7:12 pm

1 stop20h 27m

$464

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sun 10/26

6:55 pm-2:00 pm

2 stops33h 05m

$466

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Tue 9/9

4:50 pm-10:17 pm

1 stop19h 27m

$467

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Thu 11/6

12:45 pm-10:56 pm

2 stops25h 11m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Incheon Intl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio 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 San Antonio

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

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to San Antonio (average of $295). Flying from Incheon Intl Airport to San Antonio in March is currently the most expensive (average of $376). 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.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated August 19, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Incheon Intl Airport to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,922 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

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

  • What airport do you fly into for flights to San Antonio from Incheon Intl?

    For a flight from Incheon Intl to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 inbound flights from Incheon Intl per day. 3 airlines have flights to San Antonio from Incheon Intl on a regular basis.

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

    Departing from Incheon Intl Airport to San Antonio will take you 26h 14m. Airlines will cover a distance of 6968 mi.

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

    Flying on American Airlines is currently your cheapest option to San Antonio, with prices starting at $742. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $778 and $849, respectively. Users have found that American Airlines is 36% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl to San Antonio 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 San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to San Antonio (average of $295). Flying from Incheon Intl Airport to San Antonio in March is currently the most expensive (average of $376). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Top 3 airlines flying from Incheon Intl to San Antonio

Discover the top 3 airlines that operate flights from Incheon Intl to San Antonio. 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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$742Average$1,203FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$778Average$1,042FlexibilityNo cancel feeOn-time69%
DeltaCheapest$849Average$997FlexibilityNo cancel feeOn-timeN/A

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