$337+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIH
May 11 — May 181
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Kaua'i with Cheapflights
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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
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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 San Antonio to Kaua'i
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Cheapest flights from San Antonio to Kaua'iExplore 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 April 11, 2026.
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 April 11, 2026.
This Southwest deal was found by Cheapflights users on 4/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:55 am
SAT
- LIH
2 stops12h 15m
Southwest
Wed 5/138:10 pm
LIH
- SAT
1 stop12h 55m
Southwest
Deal found 4/8![Southwest logo]()
$486
This American Airlines deal was found by Cheapflights users on 4/10. 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 8/103:10 pm
SAT
- LIH
1 stop8h 56m
American Airlines
Mon 8/179:41 pm
LIH
- SAT
1 stop11h 56m
American Airlines
Deal found 4/10![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 4/10. 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 5/125:00 am
SAT
- LIH
2 stops15h 15m
American Airlines
Tue 5/192:12 pm
LIH
- SAT
2 stops13h 11m
American Airlines
Deal found 4/10![American Airlines logo]()
$499
This Southwest deal was found by Cheapflights users on 4/7. 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.
Wed 8/266:10 am
SAT
- LIH
1 stop11h 25m
Southwest
Wed 9/28:25 pm
LIH
- SAT
1 stop12h 05m
Southwest
Deal found 4/7![Southwest logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 8/1712:55 pm
LIH
- SAT
2 stops21h 51m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$527
Best flights from San Antonio to Kaua'iDiscover 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 April 11, 2026.
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 April 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 8/171:43 pm
LIH
- SAT
2 stops21h 03m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$599
This Southwest deal was found by Cheapflights users on 4/9. 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.
Sat 4/255:40 am
SAT
- LIH
1 stop12h 30m
Southwest
Wed 4/298:10 pm
LIH
- SAT
1 stop12h 55m
Southwest
Deal found 4/9![Southwest logo]()
$628
This United Airlines deal was found by Cheapflights users on 4/10. 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 9/288:55 am
SAT
- LIH
1 stop11h 45m
United Airlines
Tue 9/2912:50 pm
LIH
- SAT
2 stops16h 58m
United Airlines
Deal found 4/10![United Airlines logo]()
$634
This Delta deal was found by Cheapflights users on 4/7. 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.
Sun 5/246:35 am
SAT
- LIH
2 stops17h 31m
Delta
Fri 5/299:55 pm
LIH
- SAT
2 stops18h 33m
Delta
Deal found 4/7![Delta logo]()
$754
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:12 pm
SAT
- LIH
2 stops21h 44m
Multiple Airlines
Tue 9/299:35 pm
LIH
- SAT
1 stop13h 41m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$666
This United Airlines deal was found by Cheapflights users on 4/10. 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 9/151:45 pm
SAT
- LIH
3 stops27h 01m
United Airlines
Mon 9/217:35 pm
LIH
- SAT
2 stops15h 04m
United Airlines
Deal found 4/10![United Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 4/9. 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 6/238:53 am
SAT
- LIH
1 stop11h 44m
United Airlines
Tue 6/302:31 pm
LIH
- SAT
2 stops12h 56m
United Airlines
Deal found 4/9![United Airlines logo]()
$756
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:44 pm
SAT
- LIH
2 stops18h 56m
Multiple Airlines
Wed 7/811:14 am
LIH
- SAT
2 stops12h 46m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 9/117:23 am
SAT
- LIH
1 stop17h 21m
United Airlines
Tue 9/227:35 pm
LIH
- SAT
1 stop12h 08m
United Airlines
Deal found 4/10![United Airlines logo]()
$772
Last-minute flights from San Antonio to Kaua'iDiscover last-minute flight deals from San Antonio to Kaua'i. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Kaua'i. Data last updated April 11, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:55 am
SAT
- LIH
1 stop11h 15m
Southwest
Fri 4/178:10 pm
LIH
- SAT
1 stop15h 45m
Southwest
Deal found 4/8![Southwest logo]()
$617
This Southwest deal was found by Cheapflights users on 4/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:55 am
SAT
- LIH
2 stops12h 15m
Southwest
Wed 5/138:10 pm
LIH
- SAT
1 stop12h 55m
Southwest
Deal found 4/8![Southwest logo]()
$486
This American Airlines deal was found by Cheapflights users on 4/10. 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 5/125:00 am
SAT
- LIH
2 stops15h 15m
American Airlines
Tue 5/192:12 pm
LIH
- SAT
2 stops13h 11m
American Airlines
Deal found 4/10![American Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 4/9. 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 5/126:35 am
SAT
- LIH
2 stops16h 05m
Delta
Tue 5/199:55 pm
LIH
- SAT
2 stops14h 10m
Delta
Deal found 4/9![Delta logo]()
$593
This Delta deal was found by Cheapflights users on 4/7. 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.
Sun 5/246:35 am
SAT
- LIH
2 stops17h 31m
Delta
Thu 5/289:55 pm
LIH
- SAT
2 stops14h 10m
Delta
Deal found 4/7![Delta logo]()
$611
One-way flights from San Antonio to Kaua'iSearch for one-way flight options from San Antonio to Kaua'i. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
Search for one-way flight options from San Antonio to Kaua'i. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Southwest deal was found by Cheapflights users on 4/10. 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.
Fri 5/156:05 am
SAT
- LIH
2 stops13h 10m
Southwest
Deal found 4/10![Southwest logo]()
$337
This American Airlines deal was found by Cheapflights users on 4/8. 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.
Fri 4/178:55 am
SAT
- LIH
1 stop11h 20m
American Airlines
Deal found 4/8![American Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:23 am
SAT
- LIH
3 stops32h 45m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/159:41 pm
SAT
- LIH
3 stops43h 47m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$609
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 4/185:50 pm
SAT
- LIH
1 stop23h 42m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$1,174
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 4/185:50 pm
SAT
- LIH
2 stops21h 00m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,550
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 April 11, 2026.
Round-trip from | $486 (Southwest) |
|---|---|
One-way from | $337 (Southwest) |
Popular in | July |
Cheapest in | February |
Average price | $604 |
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 April 11, 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
Cheapest round-trip
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Mon 8/10
4:44 pm-6:40 am
2 stops18h 56m
Lihue
Mon 8/17
1:43 pm-3:46 pm
2 stops21h 03m
$599
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Sat 4/25
5:40 am-1:10 pm
1 stop12h 30m
Lihue
Wed 4/29
8:10 pm-2:05 pm
1 stop12h 55m
$628
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Mon 9/28
8:55 am-3:40 pm
1 stop11h 45m
Lihue
Tue 9/29
12:50 pm-10:48 am
2 stops16h 58m
$634
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Mon 9/28
5:12 pm-9:56 am
2 stops21h 44m
Lihue
Tue 9/29
9:35 pm-4:16 pm
1 stop13h 41m
$666
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Tue 9/15
1:45 pm-11:46 am
3 stops27h 01m
Lihue
Mon 9/21
7:35 pm-3:39 pm
2 stops15h 04m
$716
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Sun 5/24
6:35 am-7:06 pm
2 stops17h 31m
Lihue
Fri 5/29
9:55 pm-9:28 pm
2 stops18h 33m
$754
Quickest round-trip
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Tue 6/23
8:53 am-3:37 pm
1 stop11h 44m
Lihue
Tue 6/30
2:31 pm-8:27 am
2 stops12h 56m
$756
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Fri 9/11
7:23 am-7:44 pm
1 stop17h 21m
Lihue
Tue 9/22
7:35 pm-12:43 pm
1 stop12h 08m
$772
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Wed 6/24
4:44 pm-6:40 am
2 stops18h 56m
Lihue
Wed 7/8
11:14 am-5:00 am
2 stops12h 46m
$799
Cheapest one-way
San AntonioLihue
SAT - LIH
SATLIH
San Antonio
Fri 5/15
6:05 am-2:15 pm
2 stops13h 10m
$337
Showing 1-10 of 15 resultsSorted by cheapest first
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.
SAT-LIH
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
SAT-zzFUS
SAT-LIH
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 $341). Flying from San Antonio to Kaua'i in July is currently the most expensive (average of $534). 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 April 11, 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.
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
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San Antonio and Kaua'i flights
Browse other San Antonio and Kaua'i flight options. Last updated on April 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$467 | Average$671 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$498 | Average$648 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$551 | Average$733 | FlexibilityNo cancel fee | On-time63% |