Cheap Flights from Seattle to Kunming from $521

Frequently Asked Questions

• What are the cheapest flights from Seattle to Kunming (SEA-KMG)?

  Based on Trip.com data, Hainan Airlines offers one-way fares as low as $521 on Cheapest nonstop routes (e.g. SEA to KMG on Tue, Aug 25), while Korean Air offers Cheapest nonstop round-trips from $950 departing on Thu, Oct 8 and returning on Mon, Oct 12.

• Which airlines offer direct flights from Seattle to Kunming?

  At the moment, you can catch a nonstop flight from Seattle to Kunming with the following airlines, including: Cathay Pacific 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 Seattle to Kunming?

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

  To find best deals on flights from Seattle to Kunming, 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, Aug 25, with one-way flights priced at just $521.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hainan 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 Kunming travel is around September.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seattle (SEA) to Kunming (KMG) the cheapest?

  The cheapest months to fly from Seattle to Kunming is August, when demand for travel is lower.

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

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Seattle to Kunming on August 22, 2026 with Hainan Airlines, with prices starting at $530.

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

  You can land at any one of the following hubs in Kunming, with Seattle-Tacoma International Airport to Kunming Changshui International Airport (SEA-KMG) is by far the most common option on this route: Kunming Changshui International Airport (KMG).

• Is there any time difference between Seattle and Kunming?

  The time difference between Kunming and Seattle is 16h.

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

  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 Seattle to Kunming?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Kunming is $1,209. Fares vary by travel date, airline and availability.

• How do I book flights from Seattle to Kunming on Trip.com?

  Enter Seattle and Kunming, 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.