Cheap Flights from San Diego to Osaka from $450

Frequently Asked Questions

• What are the cheapest flights from San Diego to Osaka (SAN-OSA)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $450 on Cheapest nonstop routes (e.g. SAN to KIX on Mon, Jul 13), while United Airlines offers Cheapest nonstop round-trips from $1,543 departing on Thu, Jun 25 and returning on Thu, Jul 2.

• Which airlines offer flights from San Diego to Osaka?

  At the moment, several airlines serve connecting flights from San Diego to Osaka, including: United Airlines Japan Airlines Alaska Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Diego to Osaka 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 can I find the best deals on flights from San Diego to Osaka?

  To find best deals on flights from San Diego to Osaka, 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 Mon, Jul 13, with one-way flights priced at just $450.
  · 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 Osaka travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Diego (SAN) to Osaka (OSA) the cheapest?

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

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

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from San Diego to Osaka on May 27, 2026 with United Airlines, with prices starting at $1,558.

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

  You can land at any one of the following hubs in Osaka, with San Diego International Airport to Kansai International Airport (SAN-KIX) is by far the most common option on this route: Kansai International Airport (KIX) Osaka Itami Airport (ITM) Kobe Airport (UKB).

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

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

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

  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.