$406 Cheap Flights from Seattle (SEA) to Tianjin (TSN)

View $406 flight on Fri, Nov 28, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Tianjin Binhai International Airport (TSN)

Cheap Flights from Seattle to Tianjin (SEA-TSN)

Prices were available within the past 7 days and start at $406 for one-way flights and $724 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Fri, Nov 14 - Tue, Dec 23
SEA
Seattle
TSN
Tianjin
$724 Roundtrip, found 3 days ago
$724
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Fri, Nov 14 from Seattle to Tianjin, returning Tue, Dec 23, priced at $724 found 3 days ago
Asiana Airlines
Fri, Nov 28 - Fri, Feb 27
SEA
Seattle
TSN
Tianjin
$735 Roundtrip, found 4 days ago
$735
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Fri, Nov 28 from Seattle to Tianjin, returning Fri, Feb 27, priced at $735 found 4 days ago
Asiana Airlines
Tue, Mar 17 - Tue, Apr 14
SEA
Seattle
TSN
Tianjin
$779 Roundtrip, found 4 days ago
$779
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Tue, Mar 17 from Seattle to Tianjin, returning Tue, Apr 14, priced at $779 found 4 days ago
Asiana Airlines
Mon, Dec 1 - Tue, Mar 31
SEA
Seattle
TSN
Tianjin
$781 Roundtrip, found 4 days ago
$781
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Mon, Dec 1 from Seattle to Tianjin, returning Tue, Mar 31, priced at $781 found 4 days ago
Asiana Airlines
Fri, Nov 28 - Wed, Mar 4
SEA
Seattle
TSN
Tianjin
$790 Roundtrip, found 4 days ago
$790
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Fri, Nov 28 from Seattle to Tianjin, returning Wed, Mar 4, priced at $790 found 4 days ago
Asiana Airlines
Mon, Dec 1 - Fri, Feb 27
SEA
Seattle
TSN
Tianjin
$795 Roundtrip, found 4 days ago
$795
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Mon, Dec 1 from Seattle to Tianjin, returning Fri, Feb 27, priced at $795 found 4 days ago
Hawaiian Airlines
Wed, Jan 28 - Mon, Feb 2
SEA
Seattle
TSN
Tianjin
$838 Roundtrip, found 6 days ago
$838
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Seattle to Tianjin, returning Mon, Feb 2, priced at $838 found 6 days ago
Delta
Thu, Dec 4 - Wed, Dec 17
SEA
Seattle
TSN
Tianjin
$903 Roundtrip, found 6 days ago
$903
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Dec 4 from Seattle to Tianjin, returning Wed, Dec 17, priced at $903 found 6 days ago
Korean Air
Thu, Nov 13 - Wed, Feb 4
SEA
Seattle
TSN
Tianjin
$905 Roundtrip, found 3 days ago
$905
Roundtrip
found 3 days ago
Select Korean Air flight, departing Thu, Nov 13 from Seattle to Tianjin, returning Wed, Feb 4, priced at $905 found 3 days ago
Alaska Airlines
Tue, Nov 11 - Tue, Dec 2
SEA
Seattle
TSN
Tianjin
$935 Roundtrip, found 1 day ago
$935
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Seattle to Tianjin, returning Tue, Dec 2, priced at $935 found 1 day ago

Alternative airports near Tianjin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Binhai Intl. TSN. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $1,060
TSN
Binhai Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $1,060

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN) cost?
Secure a cheap one-way flight from $406 or cheap return flight from $724 from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN)?
The cheapest month to fly from SEA to TSN is November, when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN)?
To find the cheapest airline flying from SEA to TSN, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN)?
You'll have to book a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SEA to TSN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN) last-minute?
Waiting until just before your trip to book your flight from SEA to TSN often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a SEA to TSN flight and hotel package?
You'll generally save money by securing a SEA to TSN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Binhai Intl. Airport (TSN)?
You can usually reschedule or cancel your SEA to TSN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Binhai Intl.
Airlines serving
Asiana Airlines, Cathay Pacific, China Eastern Airlines, Korean Air, Singapore Airlines
Roundtrip price
$723
Distance
5421 mi

Book with confidence

Seattle to Tianjin Flights

The cheapest times to fly from Seattle to Tianjin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Tianjin are during the month of November. You can find some of the cheapest flights from Seattle to Tianjin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Tianjin

Sunday is one of the best days to book for cheap flights from Seattle to Tianjin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Tianjin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Tianjin in 2025. You can also book with separate airlines for your outbound and return journeys, from $406 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Tianjin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Tianjin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Tianjin Flights

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*Available to One Key members.