Cheap flights from California to Osaka from $397

In general, January is the cheapest month to fly from California to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $89. If you aren’t able to travel during the month of January, then book flights to Osaka Kansai Intl Airport from California during August instead. Flights to Osaka Kansai Intl Airport in August, while not as cheap as those in January, still average around $125.

The cheapest day to depart from California to Osaka Kansai Intl Airport is on a Tuesday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Tuesday will often find tickets for as low as $756. Flights from California to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,079. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest California to Osaka Kansai Intl Airport flights are usually those with departure times at noon. Our users have found flights to Osaka Kansai Intl Airport at noon for as low as $888. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $919 on average. Flights to Osaka Kansai Intl Airport from California in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Los Angeles to Osaka Kansai Intl for the best California - Osaka Kansai Intl flight prices

You are more likely to see cheaper flights to Osaka Kansai Intl Airport from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Osaka Kansai Intl Airport for around $951 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Osaka Kansai Intl Airport from California for as low as $842 on momondo.

There are 4 cabin classes available to choose from on California to Osaka Kansai Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Canada, Delta, and China Eastern are the most popular carriers operating from California to Osaka Kansai Intl

Japan Airlines, ANA and Asiana Airlines are the top three most popular airlines that fly to Osaka Kansai Intl Airport from California according to our data. Japan Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 13 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

As of July 2026, there are 6 flights per day flying from California to Osaka Kansai Intl Airport. The most common time of day flights depart is 3:00PM, with 66% of flights taking off in the afternoon.

42 flights are operational weekly from California to Osaka Kansai Intl Airport as of July 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.