The cheapest times to fly from KIX to SFO are

  • January 29th to March 18th
  • August 20th to December 9th

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 KIX to SFO is early to mid October. Prices can be as high as $1340 for Thursday flights during early January, or as low as $657 for Wednesday flights around early to mid October.


When to Fly to San Francisco

Flying from Osaka (KIX) to San Francisco, CA (SFO) will usually cost between $713 to $1076 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $725. Due to high demand the most expensive time to fly is early January, with an average price of $1190. Planning your trip to low-cost times can easily save you $464 on economy flights and even more on first-class flights. Generally, any price below $880 can be considered a good price for a round-trip KIX to SFO flight.

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

KIX to SFO Flight Prices

Compared to other flights, the KIX to SFO flight is cheaper than the average and costs less than the average flight leaving from Osaka. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to SFO, and Tuesday the cheapest day to fly back into KIX. Thursdays are the most expensive days to fly to San Francisco, and Saturdays are the most expensive days to return to Osaka. 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 Wednesday and returning a week later will cost an average of $865. Return trip prices are from the SFO to KIX 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 KIX to SFO 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.


Flight Hacking KIX to SFO

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 KIX to SFO — but Champion Traveler does!

Hack #1: Manila (KIX > MNL > SFO)

  • Price for both tickets: $850
  • Average savings: $30 (3.41%)

See KIX to PVG flights

Hack #2: Shanghai (KIX > PVG > SFO)

  • Price for both tickets: $850
  • Average savings: $30 (3.41%)

See KIX to MNL flights

Hack #3: Hong Kong (KIX > HKG > SFO)

  • Price for both tickets: $850
  • Average savings: $30 (3.35%)

See KIX to HKG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 32 major airlines flying this route most often: Air Canada, Air China, Air India, Alaska, American, ANA, Asiana, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, EVA Air, Fiji Airways, Hainan, Hawaiian, Hong Kong Airlines, Hong Kong Express, JAL, Jeju Air, Jetstar, Korean Air, Lufthansa, Peach Aviation, Philippine Airlines, Shanghai Airlines, Singapore Airlines, T’Way Air, THAI, United, WestJet, Xiamen, and potentially more during busy seasons.

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

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

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

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

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

It depends on the day of the week and the date, but a typical day might have around 71 available flights from KIX to SFO.


Airport Location Info


Departing Airport

Origination code KIX
Origination airport name Kansai International Airport
City Osaka
Country Japan
Latitude 34.4
Longitude 135.2

Return Airport

Destination code SFO
Destination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4


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.