The cheapest times to fly from KOA to SAT are

  • January 8th to February 18th
  • July 16th to November 25th (except the week of November 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from KOA to SAT is early to mid August. Prices can be as high as $1432 for Saturday flights during early January, or as low as $467 for Tuesday flights around early to mid August.


When to Fly to San Antonio

Flying from Kona, HI (KOA) to San Antonio, TX (SAT) will usually cost between $563 to $953 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid August with an average ticket price of $514. Due to high demand the most expensive time to fly is early January, with an average price of $1005. Planning your trip to low-cost times can easily save you $490 on economy flights and even more on first-class flights. Generally, any price below $802 can be considered a good price for a round-trip KOA to SAT flight.

See below for a graph of average weekly prices for the KOA to SAT route. All prices are for round-trip tickets in USD.

KOA to SAT Flight Prices

Compared to other flights, the KOA to SAT flight is cheaper than the average and costs less than the average flight leaving from Kailua-Kona. The average price per mile (for a direct flight) is $0.14, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $106 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $745. Return trip prices are from the SAT to KOA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from KOA to SAT can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 32 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from KOA to SAT while comparing.

Destination alternative #1: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 66 miles (106 km) away from SAT
  • Usually 21.20% less expensive than SAT
  • 1-layover flights available

See KOA to AUS flights


Flight Hacking KOA to SAT

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from KOA to SAT — but Champion Traveler does!

Hack #1: San Jose, CA (KOA > SJC > SAT)

  • Price for both tickets: $675
  • Average savings: $128 (15.9%)

See KOA to SJC flights

Hack #2: Los Angeles, CA (KOA > LAX > SAT)

  • Price for both tickets: $746
  • Average savings: $57 (7.04%)

See KOA to LAX flights

Hack #3: San Diego, CA (KOA > SAN > SAT)

  • Price for both tickets: $746
  • Average savings: $56 (6.98%)

See KOA to SAN flights


Flight Questions Answered

Still have questions about flying from KOA to SAT? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Hawaiian, Southwest, United, and potentially more during busy seasons.

How far away is it from San Antonio International Airport to Ellison Onizuka Kona International at Keahole Airport?

The distance between the two airports is roughly 3643 miles or 5863 kilometers.

How long does it take to fly from KOA to SAT?

The real-world flight time for a nonstop KOA to SAT flight is about 7 hour 32 minutes.

How many flights go between Kona, HI and San Antonio, TX?

It depends on the day of the week and the date, but a typical day might have around 58 available flights from KOA to SAT.


Airport Location Info


Departing Airport

Origination code KOA
Origination airport name Ellison Onizuka Kona International at Keahole Airport
City Kona, HI
Country the United States
Latitude 19.7
Longitude -156

Return Airport

Destination code SAT
Destination airport name San Antonio International Airport
City San Antonio, TX
Country the United States
Latitude 29.5
Longitude -98.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.