The cheapest times to fly from SFO to KIX are

  • January 8th to May 13th (except the week of January 22nd)
  • September 17th to December 2nd (except the weeks of October 1st and November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SFO to KIX is mid March. Prices can be as high as $1711 for Saturday flights during mid December, or as low as $711 for Tuesday flights around mid March.


When to Fly to Osaka

Flying from San Francisco, CA (SFO) to Osaka (KIX) will usually cost between $719 to $1193 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid March with an average ticket price of $741. Due to high demand the most expensive time to fly is mid December, with an average price of $1484. Planning your trip to low-cost times can easily save you $743 on economy flights and even more on first-class flights. Generally, any price below $825 can be considered a good price for a round-trip SFO to KIX flight.

See below for a graph of average weekly prices for the SFO to KIX route. All prices are for round-trip tickets in USD.

SFO to KIX Flight Prices

Compared to other flights, the SFO to KIX flight is cheaper than the average and costs less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to KIX, and Wednesday the cheapest day to fly back into SFO. Saturdays are the most expensive days to fly to Osaka, and Thursdays are the most expensive days to return to San Francisco. Selecting flights on the least expensive days could save you up to $59 (6%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $848. Return trip prices are from the KIX to SFO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SFO to KIX can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 10 hour 42 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SFO to KIX while comparing.

Destination alternative #1: Chubu Centrair International Airport (NGO) in Nagoya

  • 94 miles (151 km) away from KIX
  • Usually 0.42% less expensive than KIX
  • 1-layover flights available

See SFO to NGO flights


Flight Hacking SFO to KIX

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SFO to KIX — but Champion Traveler does!

Hack #1: Hong Kong (SFO > HKG > KIX)

  • Price for both tickets: $812
  • Average savings: $14 (1.64%)

See SFO to HKG flights

Hack #2: Las Vegas, NV (SFO > LAS > KIX)

  • Price for both tickets: $819
  • Average savings: $7 (0.79%)

See SFO to LAS flights


Flight Questions Answered

Still have questions about flying from SFO to KIX? We’ve got answers.

Which airlines fly this route?

You can find 39 major airlines flying this route most often: Air Busan, Air Canada, Air China, Air India, Alaska, American, ANA, Asiana, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, EVA Air, Finnair, Hainan, Hawaiian, Hong Kong Airlines, Hong Kong Express, JAL, Jeju Air, Jetstar, Jin Air, Juneyao Airlines, Korean Air, Lufthansa, Peach Aviation, Philippine Airlines, Shanghai Airlines, Singapore Airlines, Spring, T’Way Air, THAI, Tigerair Taiwan, United, VietJet Air, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

How far away is it from Kansai International Airport to San Francisco International Airport?

The distance between the two airports is roughly 5400 miles or 8690 kilometers.

How long does it take to fly from SFO to KIX?

The real-world flight time for a nonstop SFO to KIX flight is about 10 hour 42 minutes.

How many flights go between San Francisco, CA and Osaka?

It depends on the day of the week and the date, but a typical day might have around 88 available flights from SFO to KIX.


Airport Location Info


Departing Airport

Origination codeSFO
Origination airport nameSan Francisco International Airport
CitySan Francisco, CA
Countrythe United States

Return Airport

Destination codeKIX
Destination airport nameKansai International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.