Kaua'i

$342+ Cheap flights from San Antonio (SAT) to Kaua'i

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIH
Jul 1 — Jul 81
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Cheap 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 June 1, 2026.

This United Airlines deal was found by Cheapflights users on 5/28. 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.
Tue 8/119:07 am
SAT
-
LIH
1 stop11h 33m
United Airlines
Thu 8/277:35 pm
LIH
-
SAT
1 stop12h 08m
United Airlines
Deal found 5/28$486
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 8/117:02 am
SAT
-
LIH
1 stop12h 38m
Alaska Airlines
Wed 8/199:35 pm
LIH
-
SAT
1 stop13h 22m
Alaska Airlines
Deal found 6/1$496
This Southwest deal was found by Cheapflights users on 5/28. 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 8/116:10 am
SAT
-
LIH
1 stop11h 25m
Southwest
Thu 8/278:25 pm
LIH
-
SAT
2 stops12h 45m
Southwest
Deal found 5/28$502
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 8/114:44 pm
SAT
-
LIH
2 stops18h 56m
Multiple Airlines
Wed 8/1912:47 pm
LIH
-
SAT
1 stop22h 10m
Multiple Airlines
Deal found 6/1$503
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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.
Tue 8/114:44 pm
SAT
-
LIH
2 stops18h 56m
Multiple Airlines
Thu 8/273:45 pm
LIH
-
SAT
2 stops19h 12m
Multiple Airlines
Deal found 5/31$507
This Delta deal was found by Cheapflights users on 5/31. 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 9/176:45 am
SAT
-
LIH
2 stops15h 55m
Delta
Thu 9/248:32 pm
LIH
-
SAT
2 stops15h 34m
Delta
Deal found 5/31$509
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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.
Mon 8/104:44 pm
SAT
-
LIH
2 stops18h 56m
Multiple Airlines
Mon 8/1712:31 pm
LIH
-
SAT
1 stop11h 29m
Multiple Airlines
Deal found 5/28$522
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Tue 8/119:07 am
SAT
-
LIH
1 stop11h 33m
United Airlines
Wed 8/197:35 pm
LIH
-
SAT
1 stop12h 08m
United Airlines
Deal found 5/31$528

Find 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 June 1, 2026.

Round-trip from

$486
(United Airlines)

One-way from

$342
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$836
From San Antonio to Kaua'i
One-way flight from San Antonio to Kaua'i
Highest demand for flights based on searches. 16% potential increase in price ($155 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($58 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 1, 2026.
Use the filters below to find and compare flights from San Antonio to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 8/11

6:10 am-12:35 pm

1 stop11h 25m

Lihue

Thu 8/27

8:25 pm-2:10 pm

2 stops12h 45m

$502

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 8/11

4:44 pm-6:40 am

2 stops18h 56m

Lihue

Wed 8/19

12:47 pm-3:57 pm

1 stop22h 10m

$503

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 8/11

4:44 pm-6:40 am

2 stops18h 56m

Lihue

Thu 8/27

3:45 pm-3:57 pm

2 stops19h 12m

$507

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 6/25

6:30 am-7:02 pm

2 stops17h 32m

Lihue

Wed 7/8

9:55 pm-5:14 pm

2 stops14h 19m

$566

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 9/22

5:17 pm-8:28 am

2 stops20h 11m

Lihue

Wed 9/23

7:21 pm-4:19 pm

2 stops15h 58m

$580

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 8/10

4:44 pm-7:50 am

2 stops20h 06m

Lihue

Mon 8/17

12:31 pm-5:00 am

1 stop11h 29m

$587

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Sat 7/11

6:30 am-6:58 pm

2 stops17h 28m

Lihue

Wed 7/15

9:55 pm-5:14 pm

2 stops14h 19m

$592

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 9/3

6:50 am-5:41 pm

2 stops15h 51m

Lihue

Tue 9/8

9:26 pm-2:42 pm

1 stop12h 16m

$637

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 9/22

5:30 am-3:40 pm

1 stop15h 10m

Lihue

Wed 9/23

7:35 pm-12:43 pm

1 stop12h 08m

$650
Cheapest one-way

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Fri 8/7

8:53 am-3:37 pm

1 stop11h 44m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/28

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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, April is the cheapest month in which you can book a flight from San Antonio to Kaua'i (average of $443). Flying from San Antonio to Kaua'i in January is currently the most expensive (average of $828). 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 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 June 1, 2026.
Read through reviews of airlines operating flights from San Antonio to Kaua'i, such as Southwest,United Airlines, andAmerican 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.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 25m. 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, April is the cheapest month in which you can book a flight from San Antonio to Kaua'i (average of $443). Flying from San Antonio to Kaua'i in January is currently the most expensive (average of $828). 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

Browse thousands of different options on Cheapflights for your next trip

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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 June 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$443Average$604FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$482Average$756FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$551Average$733FlexibilityNo cancel feeOn-time63%

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