Cheap flights from San Francisco to Japan from $343

The month of January is, on average, the cheapest month to fly to Japan from San Francisco, with most prices found around $843. If you aren’t able to travel to Japan 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 $873.

On average, the least expensive day to fly to Japan from San Francisco is on a Monday. momondo users have found tickets for Monday departures for as low as $979. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from San Francisco to Japan on a Saturday will generally be more expensive and average around $1,127. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Japan from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $804 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Japan, so prices are often more expensive at around $1,222 per ticket.

Fly from San Francisco to Tokyo Narita for the best San Francisco - Japan flight prices

You are more likely to see cheaper flights to Japan from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $914 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from San Francisco for as low as $731 on momondo.

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

Asiana Airlines, Cathay Pacific, and Alaska Airlines are the most popular carriers operating from San Francisco to Japan

ZIPAIR, ANA and Japan Airlines are the top three most popular airlines that fly to Japan from San Francisco according to our data. ZIPAIR is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 16 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between San Francisco and Japan have experienced a delay on any given week. The average delay length over the past 12 months has been 150 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, ANA have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

18 flights are operational daily from San Francisco to Japan as of September 2026. The most popular departure time for this route is 12:00PM, with 60% of flights per day taking off in the afternoon.

As of September 2026, 129 flights take off from San Francisco and land in Japan each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.