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Kaua'i

$412+ Cheap flights from San Antonio (SAT) to Kaua'i

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIH
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Find flight deals from San Antonio to Kaua'i

Cheapest flights from San Antonio to Kaua'i
Explore the most affordable flight options available from San Antonio to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Wed 12/36:07 pmSAT - LIH
1 stop21h 27mMultiple Airlines
Wed 12/1012:59 pmLIH - SAT
1 stop20h 01mMultiple Airlines
Deal found 11/12$417
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Wed 12/36:07 pmSAT - LIH
1 stop21h 27mMultiple Airlines
Mon 12/812:59 pmLIH - SAT
1 stop26h 00mMultiple Airlines
Deal found 11/12$425
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Wed 12/36:07 pmSAT - LIH
1 stop21h 27mMultiple Airlines
Thu 12/1112:59 pmLIH - SAT
1 stop20h 01mMultiple Airlines
Deal found 11/12$426
This Delta deal was found by Cheapflights users on 11/12. 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 12/47:05 amSAT - LIH
2 stops17h 05mDelta
Thu 12/119:50 pmLIH - SAT
2 stops15h 20mDelta
Deal found 11/12$432
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Tue 12/27:00 amSAT - LIH
2 stops32h 34mMultiple Airlines
Mon 12/812:59 pmLIH - SAT
1 stop26h 00mMultiple Airlines
Deal found 11/12$437
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Tue 12/27:00 amSAT - LIH
2 stops32h 34mMultiple Airlines
Thu 12/1112:59 pmLIH - SAT
1 stop20h 01mMultiple Airlines
Deal found 11/12$438
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/67:00 amSAT - LIH
2 stops14h 27mMultiple Airlines
Mon 12/812:59 pmLIH - SAT
1 stop26h 00mMultiple Airlines
Deal found 11/12$441
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/67:00 amSAT - LIH
2 stops14h 27mMultiple Airlines
Thu 12/1112:59 pmLIH - SAT
1 stop20h 01mMultiple Airlines
Deal found 11/12$442
This Delta deal was found by Cheapflights users on 11/12. 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.
Tue 12/26:00 amSAT - LIH
2 stops18h 10mDelta
Tue 12/99:50 pmLIH - SAT
2 stops15h 20mDelta
Deal found 11/12$454

Cheap flight deals from San Antonio to Kaua'i

Keep the following information in mind while searching for San Antonio to Kaua'i flight deals. Data was last updated November 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$412
(Delta)

Popular in

December

Cheapest in

February

Average price

$621
Provider with most accurate pricing for San Antonio-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Lihue flights.
Search Deals
From San Antonio to Kaua'i
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Kaua'i 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 November 12, 2025.
Use the filters below to find and compare flights from San Antonio to Kaua'i that are best for you.

Fly from

San Antonio

Fly to

Kaua'i

Route

Depart

Return

Price

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 1/15

7:00 am-7:55 pm

2 stops16h 55m

Lihue

Wed 1/21

10:45 pm-9:35 pm

2 stops18h 50m

$412

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 1/29

7:35 am-7:55 pm

2 stops16h 20m

Lihue

Tue 2/3

10:45 pm-9:35 pm

2 stops18h 50m

$412

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 1/15

7:00 am-7:55 pm

2 stops16h 55m

Lihue

Tue 1/20

10:45 pm-5:25 pm

2 stops14h 40m

$412

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Wed 12/3

6:07 pm-11:34 am

1 stop21h 27m

Lihue

Tue 12/9

1:39 pm-6:59 pm

2 stops25h 20m

$421

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Wed 12/3

6:07 pm-11:34 am

1 stop21h 27m

Lihue

Thu 12/11

1:39 pm-1:00 pm

2 stops19h 21m

$421

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Wed 12/3

6:07 pm-1:49 pm

2 stops23h 42m

Lihue

Wed 12/10

12:59 pm-1:00 pm

1 stop20h 01m

$421

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Wed 12/3

6:07 pm-11:34 am

1 stop21h 27m

Lihue

Mon 12/8

12:59 pm-6:59 pm

1 stop26h 00m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Best time to book a flight from San Antonio to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from San Antonio 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 San Antonio to Kaua'i

What is the cheapest month to book a flight from San Antonio to Kaua'i?

Currently, May is the cheapest month in which you can book a flight from San Antonio to Kaua'i (average of $369). Flying from San Antonio to Kaua'i in July is currently the most expensive (average of $524). 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 SAT to FUS?

Find hourly flight availability from San Antonio to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 12, 2025.

It’s typically best to fly out from San Antonio to Kaua'i in the evening. Doing so could potentially save you 45% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated November 12, 2025.
Read through reviews of airlines operating flights from San Antonio to Kaua'i, such as Southwest, United Airlines, and American Airlines. 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.
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
9,015 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
11,049 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Kaua'i. 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 from for flights from San Antonio to Kaua'i?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to Kaua'i.

  • How long is the flight from San Antonio to Kaua'i?

    Departing from San Antonio to Kaua'i will take you 16h 55m. Airlines will cover a distance of 3780 mi.

  • Can I find deals for flights from San Antonio to Kaua'i that include hotel bookings?

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

  • How can I find direct flights from San Antonio to Kaua'i?

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

  • Can I find deals for business class flights from San Antonio to Kaua'i?

    Yes. Cheapflights offers flight deals from San Antonio to Kaua'i 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 San Antonio to Kaua'i?

    Currently, May is the cheapest month in which you can book a flight from San Antonio to Kaua'i (average of $369). Flying from San Antonio to Kaua'i in July is currently the most expensive (average of $524). 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

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Top 3 airlines flying from San Antonio to Kaua'i

Discover the top 3 airlines that operate flights from San Antonio to Kaua'i. 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$419Average$692FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$501Average$696FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$511Average$638FlexibilityNo cancel feeOn-time71%

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