What airlines fly to Kaua'i?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Kaua'i from San Antonio according to our data. American 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 6 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?

Delta and American 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 March 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.

$323 Cheap Flights from San Antonio to Kaua'i in 2026

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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.

6:35 am - 7:06 pm

SAT

LIH

17h 31m

2 stops

9:55 pm - 5:05 pm

LIH

SAT

14h 10m

2 stops

$475Delta

Tue, May 12 - Tue, May 19

3:10 pm - 7:06 pm

SAT

LIH

8h 56m

1 stop

9:41 pm - 2:37 pm

LIH

SAT

11h 56m

1 stop

$498American Airlines

Mon, Aug 10 - Mon, Aug 17

3:10 pm - 7:06 pm

SAT

LIH

8h 56m

1 stop

9:41 pm - 2:56 pm

LIH

SAT

12h 15m

2 stops

$504American Airlines

Mon, Aug 10 - Mon, Aug 17

11:03 am - 7:06 pm

SAT

LIH

13h 03m

2 stops

10:49 pm - 12:45 pm

LIH

SAT

8h 56m

1 stop

$506American Airlines

Tue, Sep 8 - Tue, Sep 15

6:35 am - 7:06 pm

SAT

LIH

17h 31m

2 stops

9:55 pm - 5:05 pm

LIH

SAT

14h 10m

2 stops

$509Delta

Tue, May 12 - Tue, May 19

6:10 am - 2:15 pm

SAT

LIH

13h 05m

2 stops

8:10 pm - 11:50 am

LIH

SAT

10h 40m

1 stop

$524Southwest

Wed, Apr 22 - Tue, Apr 28

6:10 am - 12:35 pm

SAT

LIH

11h 25m

1 stop

8:25 pm - 2:50 pm

LIH

SAT

13h 25m

1 stop

$530Southwest

Tue, Sep 8 - Tue, Sep 15

8:45 am - 3:47 pm

SAT

LIH

12h 02m

1 stop

12:40 pm - 8:42 am

LIH

SAT

15h 02m

2 stops

$536United Airlines

Thu, Apr 23 - Tue, Apr 28

5:00 am - 1:56 pm

SAT

LIH

13h 56m

2 stops

9:41 pm - 2:56 pm

LIH

SAT

12h 15m

2 stops

$541American Airlines

Mon, Aug 10 - Mon, Aug 17

6:35 am - 7:06 pm

SAT

LIH

17h 31m

2 stops

9:55 pm - 5:05 pm

LIH

SAT

14h 10m

2 stops

$542Delta

Tue, May 12 - Tue, May 19

Delta flights from San Antonio to Kaua'i

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

Delta

May 12

SAT6:35 amSan Antonio

17h 31m

2 stops

LIH7:06 pmLihue

May 19

LIH9:55 pmLihue

14h 10m

2 stops

SAT5:05 pmSan Antonio

$475

Delta

May 12

SAT6:35 amSan Antonio

17h 31m

2 stops

LIH7:06 pmLihue

May 19

LIH9:55 pmLihue

14h 10m

2 stops

SAT5:05 pmSan Antonio

$509

Delta

May 12

SAT6:35 amSan Antonio

17h 31m

2 stops

LIH7:06 pmLihue

May 19

LIH9:55 pmLihue

14h 10m

2 stops

SAT5:05 pmSan Antonio

$542

Southwest flights from San Antonio to Kaua'i

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

Southwest

Apr 22

SAT6:10 amSan Antonio

13h 05m

2 stops

LIH2:15 pmLihue

Apr 28

LIH8:10 pmLihue

10h 40m

1 stop

SAT11:50 amSan Antonio

$524

Southwest

Sep 8

SAT6:10 amSan Antonio

11h 25m

1 stop

LIH12:35 pmLihue

Sep 15

LIH8:25 pmLihue

13h 25m

1 stop

SAT2:50 pmSan Antonio

$530

Southwest

Apr 23

SAT6:05 amSan Antonio

13h 10m

2 stops

LIH2:15 pmLihue

Apr 28

LIH6:15 amLihue

12h 05m

2 stops

SAT11:20 pmSan Antonio

$562

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 5/12

6:35 am-7:06 pm

2 stops17h 31m

Lihue

Tue 5/19

9:55 pm-5:05 pm

2 stops14h 10m

$475

Quickest round-trip

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 8/10

3:10 pm-7:06 pm

1 stop8h 56m

Lihue

Mon 8/17

9:41 pm-2:37 pm

1 stop11h 56m

$498

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 8/10

3:10 pm-7:06 pm

1 stop8h 56m

Lihue

Mon 8/17

9:41 pm-2:56 pm

2 stops12h 15m

$504

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 9/8

11:03 am-7:06 pm

2 stops13h 03m

Lihue

Tue 9/15

10:49 pm-12:45 pm

1 stop8h 56m

$506

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 5/12

6:35 am-7:06 pm

2 stops17h 31m

Lihue

Tue 5/19

9:55 pm-5:05 pm

2 stops14h 10m

$509

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Wed 4/22

6:10 am-2:15 pm

2 stops13h 05m

Lihue

Tue 4/28

8:10 pm-11:50 am

1 stop10h 40m

$524

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 9/8

6:10 am-12:35 pm

1 stop11h 25m

Lihue

Tue 9/15

8:25 pm-2:50 pm

1 stop13h 25m

$530

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Thu 4/23

8:45 am-3:47 pm

1 stop12h 02m

Lihue

Tue 4/28

12:40 pm-8:42 am

2 stops15h 02m

$536

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Mon 8/10

5:00 am-1:56 pm

2 stops13h 56m

Lihue

Mon 8/17

9:41 pm-2:56 pm

2 stops12h 15m

$541

San AntonioLihue

SAT - LIH

SATLIH

San Antonio

Tue 5/12

6:35 am-7:06 pm

2 stops17h 31m

Lihue

Tue 5/19

9:55 pm-5:05 pm

2 stops14h 10m

$542

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 $515. The month of August is another great option to travel to Kaua'i, with average flight prices from San Antonio averaging around $566.

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	12h 02m
Direct flights	None

The fastest flight from San Antonio to Kaua'i takes 12h 02m

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

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 March 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 22.26% of all bookings. The subsequent popular models are Airbus A320-100/200 at 18.16%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.47%, and Airbus A321-100/200 at 8.37%.

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 9,478 reviews	Search United Airlines flights
American Airlines	PriceFrom $482	Free Cancellation	Rating 7.1 11,492 reviews	Search American Airlines flights
Southwest	PriceFrom $531	Free Cancellation	Rating 8.0 4,332 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.