Cheap flights from San Antonio to Kaua'i from $439
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Kaua'i departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
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 $489. The month of August is another great option to travel to Kaua'i, with average flight prices from San Antonio averaging around $501.
What is the cheapest day to depart on your flight to Kaua'i?
According to our data, Friday is the cheapest day to fly to Kaua'i from San Antonio. The lowest ticket price found for a Friday departure recently was $580. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $831. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kaua'i.
What is the cheapest time of day to depart on your flight to Kaua'i?
The cheapest time of day to fly to Kaua'i is in the evening when flights can be purchased for as low as $524. In contrast, the most expensive time of day to depart to Kaua'i is in the morning when prices are around $655.
How far in advance should I book a flight to Kaua'i?
You are more likely to see cheaper flights to Kaua'i from San Antonio when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Kaua'i for around $650 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kaua'i from San Antonio for as low as $556 on momondo.
What is the cheapest airline that flies from San Antonio to Kaua'i?
Southwest, United Airlines, and American Airlines are the most popular carriers operating from San Antonio to Kaua'i
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 39% 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.
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
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 April 2025, there are 4 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 Airbus A320-100/200, representing 12.26% of all bookings. The subsequent popular models are Airbus A320neo at 10.80%, Boeing 737-700 Passenger/BBJ1 (winglets) at 10.48%, and Airbus A321-100/200 at 9.98%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $419 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $459 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $477 | Free Cancellation | Rating 8.0 7,917 reviews | |||
| PriceFrom $501 | Free Cancellation | Rating 7.4 8,667 reviews |
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.