Cheap flights from California to Osaka from $374

In general, February 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 $755. If you aren’t able to travel during the month of February, then book flights to Osaka Kansai Intl Airport from California during January instead. Flights to Osaka Kansai Intl Airport in January, while not as cheap as those in February, still average around $778.

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 $767. Flights from California to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,173. 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 $931. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,159 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 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 $996 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 $836 on momondo.

There are 3 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.

Philippine Airlines, Cathay Pacific, and United Airlines 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 50% 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 August 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 August 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.