What airlines fly to Kaua'i?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Kaua'i from San Antonio according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 5 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Antonio to Kaua'i?

Southwest and United Airlines are the most popular carriers operating from San Antonio to Kaua'i

When did momondo last update prices for flights from San Antonio Airport to Kaua'i?

Prices for flights from San Antonio Airport to Kaua'i are refreshed on a daily basis.

How many operators does momondo search for flights from San Antonio Airport to Kaua'i?

As of August 2026, there are 3 operators available to choose from for flights from San Antonio Airport to Kaua'i.

How old do you have to be to fly from San Antonio Airport to Kaua'i?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Kaua'i.

What documentation or ID do you need to fly to Kaua'i?

The necessary travel and health documents for your Kaua'i trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$538 Cheap Flights from San Antonio to Kaua'i in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Kaua'i

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:56 am - 4:55 pmSAT San Antonio-LIH Lihue

11h 59m1 stop Denver Intl

8:30 pm - 12:46 pmLIH Lihue-SAT San Antonio

12h 16m1 stop Denver Intl

$538United Airlines

Mon, Nov 9 - Fri, Nov 13

6:15 am - 11:29 amSAT San Antonio-LIH Lihue

10h 14m1 stop Los Angeles

9:10 pm - 1:02 pmLIH Lihue-SAT San Antonio

10h 52m1 stop Phoenix Sky Harbor Intl

$538American Airlines

Mon, Sep 7 - Tue, Sep 15

6:15 am - 11:29 amSAT San Antonio-LIH Lihue

10h 14m1 stop Los Angeles

1:25 pm - 10:01 amLIH Lihue-SAT San Antonio

15h 36m2 stops Los Angeles Dallas/Fort Worth

$544American Airlines

Mon, Sep 7 - Tue, Sep 15

8:56 am - 4:55 pmSAT San Antonio-LIH Lihue

11h 59m1 stop Denver Intl

1:46 pm - 8:29 amLIH Lihue-SAT San Antonio

14h 43m2 stops San Francisco Houston George Bush Intcntl

$544United Airlines

Mon, Nov 9 - Fri, Nov 13

6:35 am - 7:14 pmSAT San Antonio-LIH Lihue

17h 39m2 stops Salt Lake City Seattle/Tacoma Intl

9:51 pm - 9:22 pmLIH Lihue-SAT San Antonio

18h 31m2 stops Seattle/Tacoma Intl Salt Lake City

$549Delta

Mon, Oct 26 - Fri, Oct 30

6:35 am - 7:14 pmSAT San Antonio-LIH Lihue

17h 39m2 stops Salt Lake City Seattle/Tacoma Intl

9:51 pm - 9:22 pmLIH Lihue-SAT San Antonio

18h 31m2 stops Seattle/Tacoma Intl Salt Lake City

$549Delta

Mon, Oct 26 - Fri, Oct 30

8:56 am - 3:55 pmSAT San Antonio-LIH Lihue

11h 59m1 stop Denver Intl

8:30 pm - 12:46 pmLIH Lihue-SAT San Antonio

12h 16m1 stop Denver Intl

$558United Airlines

Mon, Oct 26 - Mon, Nov 2

5:00 am - 12:25 pmSAT San Antonio-LIH Lihue

12h 25m2 stops Dallas/Fort Worth Los Angeles

10:35 pm - 5:02 pmLIH Lihue-SAT San Antonio

14h 27m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$569American Airlines

Mon, Oct 26 - Mon, Nov 2

6:10 am - 12:35 pmSAT San Antonio-LIH Lihue

11h 25m1 stop Las Vegas Harry Reid Intl

8:25 pm - 2:50 pmLIH Lihue-SAT San Antonio

13h 25m1 stop Las Vegas Harry Reid Intl

$648Southwest

Thu, Aug 27 - Mon, Aug 31

5:35 am - 12:35 pmSAT San Antonio-LIH Lihue

12h 00m2 stops Dallas Love Field Las Vegas Harry Reid Intl

8:25 pm - 11:25 amLIH Lihue-SAT San Antonio

10h 00m1 stop Las Vegas Harry Reid Intl

$654Southwest

Thu, Aug 27 - Mon, Aug 31

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American Airlines flights from San Antonio to Kaua'i

Our best American Airlines deals on San Antonio to Kaua'i flight tickets

American Airlines

Sep 7

SAT6:15 amSan Antonio

10h 14m

1 stop

LIH11:29 amLihue

Sep 15

LIH9:10 pmLihue

10h 52m

1 stop

SAT1:02 pmSan Antonio

$538

American Airlines

Sep 7

SAT6:15 amSan Antonio

10h 14m

1 stop

LIH11:29 amLihue

Sep 15

LIH1:25 pmLihue

15h 36m

2 stops

SAT10:01 amSan Antonio

$544

American Airlines

Sep 17

SAT8:39 amSan Antonio

11h 23m

1 stop

LIH3:02 pmLihue

Sep 22

LIH9:10 pmLihue

10h 52m

1 stop

SAT1:02 pmSan Antonio

$641

Delta flights from San Antonio to Kaua'i

Our best Delta deals on San Antonio to Kaua'i flight tickets

Delta

Oct 26

SAT6:35 amSan Antonio

17h 39m

2 stops

LIH7:14 pmLihue

Oct 30

LIH9:51 pmLihue

18h 31m

2 stops

SAT9:22 pmSan Antonio

$549

Delta

Oct 26

SAT6:35 amSan Antonio

17h 39m

2 stops

LIH7:14 pmLihue

Nov 5

LIH9:47 pmLihue

11h 53m

2 stops

SAT1:40 pmSan Antonio

$569

Delta

Oct 26

SAT6:35 amSan Antonio

17h 39m

2 stops

LIH7:14 pmLihue

Nov 3

LIH10:51 pmLihue

30h 51m

2 stops

SAT9:42 amSan Antonio

$601

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 11/9

8:56 am-4:55 pm

1 stop11h 59m

Lihue

Fri 11/13

8:30 pm-12:46 pm

1 stop12h 16m

$538

Quickest round-trip

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 9/7

6:15 am-11:29 am

1 stop10h 14m

Lihue

Tue 9/15

9:10 pm-1:02 pm

1 stop10h 52m

$538

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 9/7

6:15 am-11:29 am

1 stop10h 14m

Lihue

Tue 9/15

1:25 pm-10:01 am

2 stops15h 36m

$544

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 11/9

8:56 am-4:55 pm

1 stop11h 59m

Lihue

Fri 11/13

1:46 pm-8:29 am

2 stops14h 43m

$544

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 10/26

6:35 am-7:14 pm

2 stops17h 39m

Lihue

Fri 10/30

9:51 pm-9:22 pm

2 stops18h 31m

$549

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 10/26

6:35 am-7:14 pm

2 stops17h 39m

Lihue

Fri 10/30

9:51 pm-9:22 pm

2 stops18h 31m

$549

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 10/26

8:56 am-3:55 pm

1 stop11h 59m

Lihue

Mon 11/2

8:30 pm-12:46 pm

1 stop12h 16m

$558

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Mon 10/26

5:00 am-12:25 pm

2 stops12h 25m

Lihue

Mon 11/2

10:35 pm-5:02 pm

2 stops14h 27m

$569

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Thu 8/27

6:10 am-12:35 pm

1 stop11h 25m

Lihue

Mon 8/31

8:25 pm-2:50 pm

1 stop13h 25m

$648

San AntonioLihue

SAT San Antonio - LIH Lihue

SATLIH

San Antonio

Thu 8/27

5:35 am-12:35 pm

2 stops12h 00m

Lihue

Mon 8/31

8:25 pm-11:25 am

1 stop10h 00m

$654

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Kaua'i

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Kaua'i?

In general, February is the cheapest month to fly from San Antonio to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $482. The month of November is another great option to travel to Kaua'i, with average flight prices from San Antonio averaging around $569.

Can stopping save me money on San Antonio to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between San Antonio to Kaua'i.

Cheap San Antonio to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Kaua'i

Fastest flight time	11h 25m
Direct flights	None

The fastest flight from San Antonio to Kaua'i takes 11h 25m

There are no direct flights from San Antonio to Kaua'i. There are no popular flight routes from San Antonio to Kaua'i.

Search flight deals

Frequently asked questions about flying from San Antonio to Kaua'i

When did momondo last update prices for flights from San Antonio Airport to Kaua'i?
Prices for flights from San Antonio Airport to Kaua'i are refreshed on a daily basis.
How many operators does momondo search for flights from San Antonio Airport to Kaua'i?
As of August 2026, there are 3 operators available to choose from for flights from San Antonio Airport to Kaua'i.
How old do you have to be to fly from San Antonio Airport to Kaua'i?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The necessary travel and health documents for your Kaua'i trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Antonio to Kaua'i?
momondo data reveals that the most frequently booked plane model on the route from San Antonio to Kaua'i is Boeing 737 MAX 8, representing 15.33% of all bookings. The subsequent popular models are Airbus A320-100/200 at 14.56%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.32%, and Airbus A319 at 9.77%.

Best airlines flying from San Antonio to Kaua'i

Compare and see reviews for airlines that fly from San Antonio to Kaua'i with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $467	Free Cancellation	Rating 7.4 10,100 reviews	Search United Airlines flights
American Airlines	PriceFrom $481	Free Cancellation	Rating 7.1 11,899 reviews	Search American Airlines flights
Southwest	PriceFrom $514	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Kaua'i?

It is quick and easy to find San Antonio to Kaua'i flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kaua'i that suits you.

Can I find flights from San Antonio to Kaua'i with flexible booking policies on momondo?

All flight searches from San Antonio to Kaua'i on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to Kaua'i?

momondo helps you find the best flight between San Antonio and Kaua'i by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Antonio to Kaua'i right now. Can momondo alert me if prices change?

Price alerts on flights to Kaua'i from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.