Cheap flights from San Diego to Kahului from $138

The cheapest month to fly to Kahului from San Diego is in January. Flight prices, which tend to average around $317, are often lower during this time because this is during the off-season. If you aren’t able to travel to Kahului during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $387.

Our data shows that Thursday is the least expensive day to fly to Kahului. Tickets to fly out on this day can be as low as $432. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Kahului for around $563.

Our data shows that the cheapest San Diego to Kahului flights are usually those with departure times in the evening. Our users have found flights to Kahului in the evening for as low as $287. Flights in the morning are often more expensive with an average ticket price of $521.

Fly from San Diego to Kahului for the best San Diego - Kahului flight prices

You are more likely to see cheaper flights to Kahului from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Kahului for around $449 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kahului from San Diego for as low as $388 on momondo.

There are 4 cabin classes available to choose from on San Diego to Kahului flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from San Diego to Kahului

Alaska Airlines, Hawaiian Airlines and Southwest are the top three most popular airlines that fly to Kahului from San Diego according to our data. Alaska Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Kahului. Keep in mind that there are 7 different airlines that fly to Kahului on a routine basis, so you have a few additional options to choose from.

Los Angeles (LAX) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Flights via Oakland (OAK) offer the lowest average round-trip price of $287.

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 7h 45m.

Los Angeles (LAX) has the shortest average layover time for this route: 0h 51m.

5 flights are operational daily from San Diego to Kahului as of March 2026. The most popular departure time for this route is 10:00AM, with 60% of flights per day taking off at noon.

As of March 2026, 35 flights take off from San Diego and land in Kahului each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.