$175 Cheap American Airlines flights Kailua-Kona (KOA) to San Diego (SAN)

Finding cheap one-way American Airlines flights from KOA to SAN from $175 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $349 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

American Airlines flights to San Diego are typically more affordable in the quieter months of January and November. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Search for affordable American Airlines flights from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, press search and tick the “Nonstop” filter on Expedia to find any direct flights from KOA to SAN with American Airlines or another airline.

To find the earliest departure from KOA to SAN with American Airlines, sort your results by “Morning” and “Early Morning.” Booking an early flight generally means you’ll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

San Diego Intl. Airport (SAN) is the main San Diego hub for American Airlines flights from Kona Intl. Airport (KOA).

Depending on the type of ticket you purchased, a fee will generally apply if you change or cancel your booking more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when you search for flights. For more details on canceling or changing your reservation, go to “Trips,” select your flight and click on “Manage Booking.”