Cheap Flights from Boston to Osaka from $426

Frequently Asked Questions

• What are the cheapest flights from Boston to Osaka (BOS-OSA)?

  Based on Trip.com data, Air Canada offers one-way fares as low as $426 on Cheapest nonstop routes (e.g. BOS to KIX on Wed, Jul 22), while Korean Air offers Cheapest nonstop round-trips from $909 departing on Tue, Sep 15 and returning on Tue, Sep 22.

• Which airlines offer flights from Boston to Osaka?

  At the moment, several airlines serve connecting flights from Boston to Osaka, including: Hainan 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 Boston 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 Boston 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 Boston to Osaka?

  To find best deals on flights from Boston 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 Wed, Jul 22, with one-way flights priced at just $426.
  · 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 Osaka travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Boston (BOS) to Osaka (OSA) the cheapest?

  The cheapest months to fly from Boston to Osaka is October, when demand for travel is lower.

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

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Boston to Osaka on July 20, 2026 with Air Canada, with prices starting at $434.

• Which airports can I fly to for Osaka from Boston?

  You can land at any one of the following hubs in Osaka, with Boston Logan International Airport to Kansai International Airport (BOS-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 Boston and Osaka?

  The time difference between Osaka and Boston is 14h.

• How do I change or cancel my ticket from Boston 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.