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Kaua'i

$493+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIH
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$493
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$654
From San Antonio to Kaua'i
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/137:05 amSAT - LIH
1 stop10h 10mAmerican Airlines
Mon 10/209:40 pmLIH - SAT
1 stop11h 07mAmerican Airlines
Deal found 9/15$493
This Delta deal was found by Cheapflights users on 9/15. 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 11/36:00 amSAT - LIH
2 stops18h 05mDelta
Tue 12/210:44 pmLIH - SAT
1 stop12h 05mDelta
Deal found 9/15$514
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:10 amSAT - LIH
1 stop11h 05mSouthwest
Sun 11/97:05 pmLIH - SAT
2 stops11h 00mSouthwest
Deal found 9/14$519
This Delta deal was found by Cheapflights users on 9/15. 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 10/306:00 amSAT - LIH
1 stop15h 53mDelta
Tue 12/210:44 pmLIH - SAT
1 stop12h 05mDelta
Deal found 9/15$525
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:05 amSAT - LIH
1 stop10h 10mAmerican Airlines
Tue 10/219:40 pmLIH - SAT
1 stop11h 07mAmerican Airlines
Deal found 9/16$543
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1911:45 amSAT - LIH
2 stops13h 10mUnited Airlines
Mon 10/207:40 pmLIH - SAT
1 stop12h 05mUnited Airlines
Deal found 9/15$546

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 September 16, 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

Fri 1/30

3:02 pm-3:52 pm

2 stops28h 50m

Lihue

Tue 2/3

3:40 pm-2:07 pm

1 stop18h 27m

$493

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Fri 1/30

10:20 am-7:46 pm

2 stops13h 26m

Lihue

Tue 2/3

10:30 pm-3:54 pm

2 stops13h 24m

$504

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 11/4

6:10 am-1:15 pm

1 stop11h 05m

Lihue

Sun 11/9

7:05 pm-10:05 am

2 stops11h 00m

$519

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 10/30

6:00 am-7:05 pm

2 stops18h 05m

Lihue

Tue 12/2

10:44 pm-2:49 pm

1 stop12h 05m

$531

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Wed 10/15

7:05 am-12:15 pm

1 stop10h 10m

Lihue

Tue 10/21

9:40 pm-1:47 pm

1 stop11h 07m

$543

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Sun 10/19

11:45 am-7:55 pm

2 stops13h 10m

Lihue

Mon 10/20

7:40 pm-3:25 pm

2 stops14h 45m

$551

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Wed 10/15

6:00 am-7:05 pm

2 stops18h 05m

Lihue

Tue 10/21

9:40 pm-5:25 pm

2 stops14h 45m

$584

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Sun 11/2

2:42 pm-11:23 am

1 stop24h 41m

Lihue

Tue 12/2

9:00 pm-2:07 pm

2 stops37h 07m

$597

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 10/13

5:00 am-12:15 pm

2 stops12h 15m

Lihue

Mon 10/20

9:40 pm-3:47 pm

2 stops13h 07m

$602

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 1/12

8:30 am-5:07 pm

1 stop12h 37m

Lihue

Sat 1/17

1:55 pm-8:41 am

2 stops14h 46m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, January is the cheapest month in which you can book a flight from San Antonio to Kaua'i (average of $440). Flying from San Antonio to Kaua'i in June is currently the most expensive (average of $689). 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 September 16, 2025.

When flying from San Antonio to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 16, 2025.
Read through reviews of airlines operating flights from San Antonio to Kaua'i, such as Southwest, Delta, and United 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
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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.
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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 11h 05m. Airlines will cover a distance of 3780 mi. This flight may include one or multiple stops.

  • 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, January is the cheapest month in which you can book a flight from San Antonio to Kaua'i (average of $440). Flying from San Antonio to Kaua'i in June is currently the most expensive (average of $689). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from San Antonio to Kaua'i

Discover the top 4 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$417Average$695FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$419Average$713FlexibilityNo cancel feeOn-time63%
DeltaCheapest$477Average$590FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$637FlexibilityNo cancel feeOn-time71%

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