Cheap flights from Kahului to San Diego from $104

If you are unable to visit San Diego during the month of September, then departing from Kahului during the month February is also very affordable. Most momondo users find prices during this month for around $342.

The cheapest day to depart from Kahului to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $425. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $512. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $427. Flights at noon are often more expensive with an average ticket price of $497.

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

You are more likely to see cheaper flights to San Diego from Kahului when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Kahului for as low as $270 on momondo.

No. A direct flight is the cheapest option for a flight between Kahului to San Diego.

As of May 2026, prices for Kahului to San Diego flights are approximately 19% more expensive when compared to flights at the same time last year.

Delta and Southwest are the most popular carriers operating from Kahului to San Diego

Alaska Airlines, Hawaiian Airlines and Southwest are the top three most popular airlines that fly to San Diego from Kahului according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 5 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

The number of flights available between Kahului and San Diego is 3 per day as of May 2026. The most frequent departure time is 8:00PM, with 82% of daily flights leaving in the evening.

As of May 2026, there are 22 flights per week flying from Kahului to San Diego. The most common day of the week flights depart is Sat, with 18% of flights taking off on this day.