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$582+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SAT
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:15 pm
ICN
-
SAT
1 stop32h 35m
American Airlines
Mon 2/237:00 am
SAT
-
ICN
1 stop18h 45m
American Airlines
Deal found 1/20$652
This Jetabroad deal was found by Cheapflights users on 1/19. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:35 pm
ICN
-
SAT
1 stop35h 35m
Multiple Airlines
Fri 3/136:06 pm
SAT
-
ICN
1 stop34h 29m
Multiple Airlines
Deal found 1/19$687
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/1912:45 pm
ICN
-
SAT
2 stops22h 08m
United Airlines
Mon 2/237:00 am
SAT
-
ICN
2 stops42h 15m
United Airlines
Deal found 1/20$694
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 pm
ICN
-
SAT
1 stop35h 30m
Alaska Airlines
Wed 5/66:01 pm
SAT
-
ICN
1 stop33h 29m
Alaska Airlines
Deal found 1/19$753
This United Airlines deal was found by Cheapflights users on 1/21. 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 1/2212:45 pm
ICN
-
SAT
2 stops23h 11m
United Airlines
Thu 1/2911:43 am
SAT
-
ICN
2 stops26h 57m
United Airlines
Deal found 1/21$796
This Orbitz deal was found by Cheapflights users on 1/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/228:35 pm
ICN
-
SAT
1 stop36h 10m
Multiple Airlines
Thu 1/296:46 pm
SAT
-
ICN
1 stop32h 49m
Multiple Airlines
Deal found 1/21$849
This Gurufare deal was found by Cheapflights users on 1/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:00 pm
ICN
-
SAT
2 stops29h 41m
Asiana Airlines
Thu 1/292:05 pm
SAT
-
ICN
1 stop35h 10m
Asiana Airlines
Deal found 1/21$861

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$652
(American Airlines)

One-way from

$500
(Expedia)

Popular in

December

Cheapest in

February

Average price

$833
Provider with most accurate pricing for Incheon Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-San Antonio flights.
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From Incheon Intl to San Antonio
Search Deals
One-way flight from Incheon Intl to San Antonio
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High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 21, 2026.
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

Thu 2/19

7:15 pm-1:59 pm

2 stops33h 44m

San Antonio

Mon 2/23

7:00 am-4:45 pm

1 stop18h 45m

$652

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Fri 3/6

8:35 pm-5:10 pm

1 stop35h 35m

San Antonio

Fri 3/13

6:06 pm-6:35 pm

1 stop34h 29m

$687

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Thu 2/19

12:45 pm-7:53 pm

2 stops22h 08m

San Antonio

Mon 2/23

7:00 am-4:15 pm

2 stops42h 15m

$694

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Thu 4/30

7:35 pm-5:05 pm

1 stop35h 30m

San Antonio

Wed 5/6

6:01 pm-5:30 pm

1 stop33h 29m

$753

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Thu 4/30

9:00 pm-5:05 pm

1 stop34h 05m

San Antonio

Thu 5/7

6:01 pm-5:15 am

1 stop21h 14m

$877

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Fri 6/19

9:00 am-9:13 pm

2 stops26h 13m

San Antonio

Fri 7/24

5:30 am-4:05 pm

2 stops20h 35m

$965

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Wed 4/29

11:30 am-5:00 am

1 stop31h 30m

San Antonio

Thu 5/7

6:15 am-3:00 pm

1 stop18h 45m

$976

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Wed 4/22

12:45 pm-9:30 am

3 stops34h 45m

$582

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Mon 5/25

10:00 pm-9:30 am

2 stops49h 30m

$604

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Mon 5/25

8:45 pm-5:16 pm

2 stops34h 31m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 13 results
1
2

Compare providers for flights from Incheon Intl to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to San Antonio in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-San Antonio flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to San Antonio (average of $615). Flying from Incheon Intl Airport to San Antonio in April is currently the most expensive (average of $854). 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 January 21, 2026.
See what other customers who have flown with Korean Air, Delta, and United 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.
Korean Air
8.4
Very good
1,187 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

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
1,187 reviews
Korean Air
8.4
Very good
1,187 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

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
8,086 reviews
Korean Air
8.4
Very good
1,187 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

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!!
United Airlines
7.4
Good
9,190 reviews
Korean Air
8.4
Very good
1,187 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

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 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 22h 08m. Airlines will cover a distance of 6968 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on United Airlines is currently your cheapest option to San Antonio, with prices starting at $627. Additional round-trip tickets that might be worth considering are offered by Delta and Korean Air, with the lowest prices starting at $703 and $977, respectively. Users have found that United Airlines is 37% 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to San Antonio (average of $615). Flying from Incheon Intl Airport to San Antonio in April is currently the most expensive (average of $854). 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$627Average$946FlexibilityNo cancel feeOn-time69%
DeltaCheapest$703Average$1,077FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$977Average$1,356FlexibilityNo cancel feeOn-time81%

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