HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$439+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SAT
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Incheon Intl to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$678
(modetour)

One-way from

$439
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$833
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
Search Deals
One-way flight from Incheon Intl to San Antonio
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 8, 2026.

This modetour deal was found by Cheapflights users on 1/6. 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 modetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:35 pmICN - SAT
1 stop36h 10mMultiple Airlines
Thu 2/266:10 pmSAT - ICN
1 stop33h 25mMultiple Airlines
Deal found 1/6$678
This Trip.com deal was found by Cheapflights users on 1/6. 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.
Sun 2/88:35 pmICN - SAT
1 stop36h 10mMultiple Airlines
Thu 2/266:10 pmSAT - ICN
1 stop33h 25mMultiple Airlines
Deal found 1/6$686
This SmartFares deal was found by Cheapflights users on 1/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/229:00 pmICN - SAT
1 stop35h 10mMultiple Airlines
Sun 3/16:06 pmSAT - ICN
1 stop20h 14mMultiple Airlines
Deal found 1/8$763
This modetour deal was found by Cheapflights users on 1/6. 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 modetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:35 pmICN - SAT
1 stop35h 35mMultiple Airlines
Fri 2/276:06 pmSAT - ICN
1 stop33h 29mMultiple Airlines
Deal found 1/6$810
This Gurufare deal was found by Cheapflights users on 1/5. 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.
Tue 3/175:00 pmICN - SAT
1 stop18h 59mAsiana Airlines
Tue 4/146:12 amSAT - ICN
1 stop18h 48mAsiana Airlines
Deal found 1/5$819
This Asiana Airlines deal was found by Cheapflights users on 1/8. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:00 pmICN - SAT
1 stop34h 14mMultiple Airlines
Thu 3/199:52 amSAT - ICN
2 stops29h 13mMultiple Airlines
Deal found 1/8$833
This American Airlines deal was found by Cheapflights users on 1/8. 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.
Tue 1/207:15 pmICN - SAT
2 stops31h 46mAmerican Airlines
Wed 4/156:30 pmSAT - ICN
2 stops31h 15mAmerican Airlines
Deal found 1/8$860
This Hanatour deal was found by Cheapflights users on 1/6. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:35 pmICN - SAT
1 stop36h 10mHawaiian Airlines
Thu 2/266:10 pmSAT - ICN
1 stop33h 25mHawaiian Airlines
Deal found 1/6$991
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/78:35 pmICN - SAT
1 stop36h 10mMultiple Airlines
Fri 2/279:33 amSAT - ICN
2 stops28h 37mMultiple Airlines
Deal found 1/6$1,039

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 8, 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

Sun 2/22

9:00 pm-5:10 pm

1 stop35h 10m

San Antonio

Sun 3/1

6:06 pm-5:20 am

1 stop20h 14m

$763

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Tue 3/17

5:00 pm-10:57 pm

2 stops19h 57m

San Antonio

Tue 4/14

4:45 pm-4:20 am

2 stops21h 35m

$824

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Wed 3/11

9:00 pm-5:14 pm

1 stop34h 14m

San Antonio

Thu 3/19

9:52 am-5:05 am

2 stops29h 13m

$833

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Tue 1/20

7:15 pm-12:01 pm

2 stops31h 46m

San Antonio

Wed 4/15

5:00 am-3:45 pm

1 stop20h 45m

$860

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sat 2/7

8:35 pm-5:45 pm

1 stop36h 10m

San Antonio

Thu 2/26

6:10 pm-6:35 pm

1 stop33h 25m

$991

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sun 2/8

8:35 pm-5:45 pm

1 stop36h 10m

San Antonio

Thu 2/26

8:20 pm-4:20 pm

2 stops29h 00m

$993

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sat 2/7

6:55 pm-7:29 pm

2 stops39h 34m

San Antonio

Thu 2/26

6:40 am-3:30 pm

1 stop17h 50m

$1,029

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sun 2/8

8:35 pm-5:45 pm

1 stop36h 10m

San Antonio

Fri 2/27

9:33 am-5:10 am

2 stops28h 37m

$1,039

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Sat 2/7

8:35 pm-5:45 pm

1 stop36h 10m

San Antonio

Fri 2/27

9:33 am-5:10 am

2 stops28h 37m

$1,039

IncheonSan Antonio

ICN - SAT

ICNSAT

Incheon Intl

Thu 2/19

6:55 pm-10:05 pm

2 stops42h 10m

San Antonio

Mon 2/23

4:45 pm-4:00 pm

2 stops32h 15m

$1,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 15 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
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, 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.

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 January 8, 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
1,188 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

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
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

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
8,027 reviews
Korean Air
8.4
Very good
1,188 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

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
9,139 reviews
Korean Air
8.4
Very good
1,188 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

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
11,097 reviews
Korean Air
8.4
Very good
1,188 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

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 19h 57m. 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 American Airlines, with the lowest prices starting at $703 and $723, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$627Average$1,161FlexibilityNo cancel feeOn-time69%
DeltaCheapest$703Average$1,077FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$723Average$1,015FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$977Average$1,356FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.