Cheap Flights from Busan to Seattle from $490

Frequently Asked Questions

• What are the cheapest flights from Busan to Seattle (PUS-SEA)?

  Based on Trip.com data, Eastar Jet offers one-way fares as low as $490 on Cheapest nonstop routes (e.g. PUS to SEA on Sun, Mar 8), while Asiana Airlines offers Cheapest nonstop round-trips from $754 departing on Fri, Feb 20 and returning on Thu, Feb 26.

• Which airlines offer direct flights from Busan to Seattle?

  At the moment, you can catch a nonstop flight from Busan to Seattle with the following airlines, including: Air Busan 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 Busan to Seattle?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Busan to Seattle 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 Busan to Seattle?

  To find best deals on flights from Busan to Seattle, 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 Sun, Mar 8, with one-way flights priced at just $490.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Eastar Jet.
  · 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 Seattle travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Busan (PUS) to Seattle (SEA) the cheapest?

  The cheapest months to fly from Busan to Seattle is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Busan to Seattle on?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Busan to Seattle on February 10, 2026 with China Airlines, with prices starting at $473.

• Which airports can I fly to for Seattle from Busan?

  You can land at any one of the following hubs in Seattle, with Gimhae International Airport to Seattle–Tacoma International Airport (PUS-SEA) is by far the most common option on this route: Seattle–Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE).

• Is there any time difference between Busan and Seattle?

  The time difference between Seattle and Busan is 17h.

• How do I change or cancel my ticket from Busan to Seattle?

  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.