Cheap Flights from Osaka to San Francisco from $314

Frequently Asked Questions

• What are the cheapest flights from Osaka to San Francisco (OSA-SFO)?

  Based on Trip.com data, Jetstar Japan offers one-way fares as low as $314 on Cheapest nonstop routes (e.g. KIX to SFO on Thu, Mar 12), while Jetstar Japan offers Cheapest nonstop round-trips from $698 departing on Thu, Feb 19 and returning on Thu, Feb 26.

• Which airlines offer direct flights from Osaka to San Francisco?

  At the moment, you can catch a nonstop flight from Osaka to San Francisco with the following airlines, including: Air Premia Eastar Jet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Osaka (OSA) to San Francisco (SFO) and what is the distance?

  It takes around 9 hours 55 minutes to fly from Osaka (OSA) to San Francisco (SFO).

• When is the best time to book flights from Osaka to San Francisco?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Osaka to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Osaka to San Francisco?

  Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Osaka to San Francisco. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA034 (18:40)

• How can I find the best deals on flights from Osaka to San Francisco?

  To find best deals on flights from Osaka to San Francisco, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Mar 12, with one-way flights priced at just $314.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Osaka (OSA) to San Francisco (SFO) the cheapest?

  The cheapest months to fly from Osaka to San Francisco is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Osaka to San Francisco on?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Osaka to San Francisco on February 14, 2026 with Peach Aviation, with prices starting at $304.

• Which airports can I fly to for San Francisco from Osaka?

  You can land at any one of the following hubs in San Francisco, with Kansai International Airport to San Francisco International Airport (KIX-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).

• Is there any time difference between Osaka and San Francisco?

  The time difference between San Francisco and Osaka is 17h.

• How do I change or cancel my ticket from Osaka to San Francisco?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.