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Kaua'i

$453+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIH
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap flight deals from San Antonio to Kaua'i

Best flights from San Antonio to Kaua'i
Discover carefully curated flight deals from San Antonio to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

This Delta deal was found by Cheapflights users on 12/29. 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 1/297:35 amSAT - LIH
2 stops16h 20mDelta
Tue 2/39:20 pmLIH - SAT
2 stops12h 28mDelta
Deal found 12/29$453
This American Airlines deal was found by Cheapflights users on 12/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/297:20 amSAT - LIH
1 stop13h 17mAmerican Airlines
Tue 2/310:10 pmLIH - SAT
1 stop11h 20mAmerican Airlines
Deal found 12/28$567
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Mon 1/128:30 amSAT - LIH
1 stop12h 34mUnited Airlines
Fri 1/168:30 pmLIH - SAT
1 stop12h 39mUnited Airlines
Deal found 12/27$571
This Alaska Airlines deal was found by Cheapflights users on 12/28. 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 2/236:06 pmSAT - LIH
2 stops24h 24mMultiple Airlines
Sat 2/282:54 pmLIH - SAT
2 stops22h 16mMultiple Airlines
Deal found 12/28$589
This Delta deal was found by Cheapflights users on 12/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/67:00 amSAT - LIH
1 stop15h 21mDelta
Fri 1/169:31 pmLIH - SAT
1 stop13h 12mDelta
Deal found 12/28$571
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Mon 1/55:20 amSAT - LIH
2 stops13h 28mUnited Airlines
Mon 1/198:30 pmLIH - SAT
1 stop12h 39mUnited Airlines
Deal found 12/29$574

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 December 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$453
(Delta)

Popular in

December

Cheapest in

February

Average price

$978
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. 9% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 30, 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 1/29

7:35 am-7:55 pm

2 stops16h 20m

Lihue

Tue 2/3

9:20 pm-1:48 pm

2 stops12h 28m

$453

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 1/29

7:20 am-4:37 pm

1 stop13h 17m

Lihue

Tue 2/3

10:10 pm-1:30 pm

1 stop11h 20m

$567

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 1/12

8:30 am-5:04 pm

1 stop12h 34m

Lihue

Fri 1/16

8:30 pm-1:09 pm

1 stop12h 39m

$571

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 1/6

7:00 am-6:21 pm

1 stop15h 21m

Lihue

Fri 1/16

9:31 pm-2:43 pm

1 stop13h 12m

$571

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 1/5

5:20 am-2:48 pm

2 stops13h 28m

Lihue

Mon 1/19

8:30 pm-1:09 pm

1 stop12h 39m

$574

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 2/23

6:06 pm-2:30 pm

2 stops24h 24m

Lihue

Sat 2/28

2:54 pm-5:10 pm

2 stops22h 16m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

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 $350). 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.

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 December 30, 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
4,251 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,251 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,121 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,074 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 13h 17m. 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 $350). 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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Alternative routes for San Antonio to Kaua'i

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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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$486Average$809FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$501Average$692FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$506Average$641FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$531Average$763FlexibilityNo cancel feeOn-time63%

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