Cheap Flights from Tianjin to Seattle from US$442

Frequently Asked Questions

• What are the cheapest flights from Tianjin to Seattle (TSN-SEA)?

  Based on Trip.com data, Alaska Airlines offers one-way fares as low as US$442 on Cheapest nonstop routes (e.g. TSN to SEA on Tue, Sep 8), while Alaska Airlines offers Cheapest nonstop round-trips from US$900 departing on Sat, Aug 29 and returning on Sat, Sep 5.

• Which airlines offer flights from Tianjin to Seattle?

  At the moment, several airlines serve connecting flights from Tianjin to Seattle, including: Korean Air 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 Tianjin 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 Tianjin 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 Tianjin to Seattle?

  To find best deals on flights from Tianjin 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 Tue, Sep 8, with one-way flights priced at just US$442.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska 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 Seattle travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Tianjin (TSN) to Seattle (SEA) the cheapest?

  The cheapest months to fly from Tianjin to Seattle is October, when demand for travel is lower.

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

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Tianjin to Seattle on August 24, 2026 with Korean Air, with prices starting at US$732.

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

  You can land at any one of the following hubs in Seattle, with Tianjin Binhai International Airport to Seattle-Tacoma International Airport (TSN-SEA) is by far the most common option on this route: King County (Boeing Field) International Airport (BFI) Kenmore Air Harbor Seaplane Base (LKE) Seattle-Tacoma International Airport (SEA).

• Is there any time difference between Tianjin and Seattle?

  The time difference between Seattle and Tianjin is 16h.

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

• What is the average cost of a one-way flight from Tianjin to Seattle?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Tianjin to Seattle is US$1,319. Fares vary by travel date, airline and availability.

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

  Enter Tianjin and Seattle, 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.