Cheap flight from Changchun to Seattle from $459

Frequently Asked Questions

• Which airlines offer flights from Changchun to Seattle?

  At the moment, several airlines serve connecting flights from Changchun to Seattle, including: Asiana Airlines China Southern 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 Changchun 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 Changchun 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.

• When are flight tickets from Changchun (CGQ) to Seattle (SEA) the cheapest?

  The cheapest months to fly from Changchun to Seattle is December, when demand for travel is lower.

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

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Changchun to Seattle on November 18, 2025 with Asiana Airlines, with prices starting at $462.

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

  You can land at any one of the following hubs in Seattle, with Changchun Longjia International Airport to Seattle–Tacoma International Airport (CGQ-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 Changchun and Seattle?

  The time difference between Seattle and Changchun is 16h.

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