Cheap Flights from Osaka to San Diego from $624

Frequently Asked Questions

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

  Based on Trip.com data, Air Canada offers one-way fares as low as $760 on Cheapest nonstop routes (e.g. KIX to SAN on Tue, Oct 20), while Air Canada offers Cheapest nonstop round-trips from $1,065 departing on Wed, Oct 21 and returning on Mon, Oct 26.

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

  At the moment, you can catch a nonstop flight from Osaka to San Diego with the following airlines, including: Tigerair Taiwan AirAsia X Berhad Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

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

  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 Diego 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 Osaka to San Diego?

  To find best deals on flights from Osaka to San Diego, 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 Tue, Oct 20, with one-way flights priced at just $760.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Canada.
  · 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 Diego travel is around July.
  · Get exclusive promo codes for Trip.com app users.

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

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

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

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Osaka to San Diego on October 21, 2026 with Alaska Airlines, with prices starting at $824.

• Which airports can I fly into San Diego from Osaka?

  You can arrive at any of the following airports in San Diego: San Diego International Airport (SAN), McClellan-Palomar Airport (CLD), and Marine Corps Air Station Miramar (NKX). Flights from Kansai International Airport to San Diego International Airport (KIX-SAN) are by far the most popular option for this route.

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

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

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

  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.

• What is the average cost of a one-way flight from Osaka to San Diego?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Osaka to San Diego is $1,875. Fares vary by travel date, airline and availability.

• How do I book flights from Osaka to San Diego on Trip.com?

  Enter Osaka and San Diego, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Osaka to San Diego route?

  Jetstar Japanare the most popular budget airlines flying from Osaka to San Diego. Check baggage, seat and payment fees before comparing the final price.