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$537+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SAT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This WhyPayMore deal was found by Cheapflights users on 12/11. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:00 pmICN - SAT
1 stop23h 05mMultiple Airlines
Mon 3/166:06 pmSAT - ICN
1 stop20h 14mMultiple Airlines
Deal found 12/11$752
This Delta deal was found by Cheapflights users on 12/11. 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 37mDelta
Mon 3/165:56 pmSAT - ICN
2 stops32h 34mDelta
Deal found 12/11$770
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/1312:45 pmICN - SAT
1 stop24h 45mUnited Airlines
Sat 1/38:52 amSAT - ICN
1 stop40h 23mUnited Airlines
Deal found 12/10$792
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/1912:45 pmICN - SAT
1 stop26h 14mUnited Airlines
Sat 1/38:52 amSAT - ICN
1 stop40h 23mUnited Airlines
Deal found 12/10$879
This Delta deal was found by Cheapflights users on 12/10. 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 04mDelta
Sat 1/34:10 pmSAT - ICN
1 stop22h 00mDelta
Deal found 12/10$889
This Delta deal was found by Cheapflights users on 12/10. 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 12/134:10 pmICN - SAT
2 stops23h 27mDelta
Fri 1/26:37 amSAT - ICN
1 stop19h 58mDelta
Deal found 12/10$940
This United Airlines deal was found by Cheapflights users on 12/11. 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 - SAT
1 stop20h 59mUnited Airlines
Sat 1/38:52 amSAT - ICN
1 stop29h 48mUnited Airlines
Deal found 12/11$1,018

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$621
(American Airlines)

One-way from

$537
(Delta)

Popular in

January

Cheapest in

February

Average price

$1,022
Provider with most accurate pricing for Incheon Intl-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Incheon Intl-San Antonio flights.
Search Deals
From Incheon Intl to San Antonio
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One-way flight from Incheon Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($59 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 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 December 12, 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

Thu 2/5

7:15 pm-9:52 pm

1 stop17h 37m

San Antonio

Mon 2/9

4:40 pm-4:45 pm

1 stop33h 05m

$620

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Thu 2/5

12:45 pm-9:21 pm

2 stops23h 36m

San Antonio

Mon 2/9

1:20 pm-5:40 am

2 stops25h 20m

$662

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Tue 1/20

7:40 pm-12:41 am

1 stop20h 01m

San Antonio

Wed 4/15

6:05 pm-4:30 pm

2 stops32h 25m

$702

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sun 5/3

7:40 pm-1:31 pm

1 stop31h 51m

$537

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sun 5/3

6:40 pm-9:28 pm

1 stop16h 48m

$575

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sun 12/21

7:15 am-5:35 am

3 stops37h 20m

$628

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sun 5/3

12:00 pm-6:02 pm

2 stops44h 02m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Incheon Intl Airport-San Antonio flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to San Antonio (average of $624). 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.

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

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 December 12, 2025.
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
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
8,005 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
9,095 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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!!
American Airlines
7.2
Good
11,050 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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. 4 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 17h 37m. 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 Delta is currently your cheapest option to San Antonio, with prices starting at $693. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $723 and $734, respectively. Users have found that Delta is 33% 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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to San Antonio (average of $624). 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 4 airlines flying from Incheon Intl to San Antonio

Discover the top 4 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$693Average$890FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$723Average$1,051FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$734Average$1,257FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$977Average$1,149FlexibilityNo cancel feeOn-time81%

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