$415 Cheap Flights from Seattle (SEA) to Nanjing (NKG)

View $415 flight on Fri, Feb 13, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Nanjing (NKG-Lukou Intl.)

Cheap Flights from Seattle to Nanjing (SEA-NKG)

Prices were available within the past 7 days and start at $415 for one-way flights and $851 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Fri, Feb 13 - Mon, Feb 23
SEA
Seattle
NKG
Nanjing
$851 Roundtrip, found 6 hours ago
$851
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Fri, Feb 13 from Seattle to Nanjing, returning Mon, Feb 23, priced at $851 found 6 hours ago
Alaska Airlines
Thu, Aug 27 - Thu, Sep 10
SEA
Seattle
NKG
Nanjing
$874 Roundtrip, found 3 days ago
$874
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Aug 27 from Seattle to Nanjing, returning Thu, Sep 10, priced at $874 found 3 days ago
Alaska Airlines
Thu, Aug 27 - Thu, Sep 10
SEA
Seattle
NKG
Nanjing
$881 Roundtrip, found 3 days ago
$881
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Aug 27 from Seattle to Nanjing, returning Thu, Sep 10, priced at $881 found 3 days ago
Asiana Airlines
Wed, Apr 22 - Mon, May 11
SEA
Seattle
NKG
Nanjing
$885 Roundtrip, found 15 hours ago
$885
Roundtrip
found 15 hours ago
Select Asiana Airlines flight, departing Wed, Apr 22 from Seattle to Nanjing, returning Mon, May 11, priced at $885 found 15 hours ago
Alaska Airlines
Wed, Feb 4 - Wed, Mar 4
SEA
Seattle
NKG
Nanjing
$899 Roundtrip, found 5 days ago
$899
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Seattle to Nanjing, returning Wed, Mar 4, priced at $899 found 5 days ago
Hawaiian Airlines
Fri, Feb 13 - Sun, Feb 22
SEA
Seattle
NKG
Nanjing
$901 Roundtrip, found 1 hour ago
$901
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Fri, Feb 13 from Seattle to Nanjing, returning Sun, Feb 22, priced at $901 found 1 hour ago
Korean Air
Mon, Feb 23 - Mon, Mar 16
SEA
Seattle
NKG
Nanjing
$905 Roundtrip, just found
$905
Roundtrip
just found
Select Korean Air flight, departing Mon, Feb 23 from Seattle to Nanjing, returning Mon, Mar 16, priced at $905 just found
Cathay Pacific
Thu, Apr 9 - Mon, Apr 20
SEA
Seattle
NKG
Nanjing
$906 Roundtrip, found 6 days ago
$906
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Thu, Apr 9 from Seattle to Nanjing, returning Mon, Apr 20, priced at $906 found 6 days ago
Alaska Airlines
Sat, Jan 24 - Sun, Feb 1
SEA
Seattle
NKG
Nanjing
$909 Roundtrip, found 6 days ago
$909
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Seattle to Nanjing, returning Sun, Feb 1, priced at $909 found 6 days ago
Alaska Airlines
Mon, Feb 23 - Mon, Mar 16
SEA
Seattle
NKG
Nanjing
$913 Roundtrip, just found
$913
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Feb 23 from Seattle to Nanjing, returning Mon, Mar 16, priced at $913 just found

Alternative airports near Nanjing

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

Select flight to Lukou Intl. NKG. Cheapest and Closest option available. Average driving time to city center is 28 minutes. Flights from $1,533
NKG
Lukou Intl.
CheapestClosest
Average driving time to city center28 min
Flights from $1,533
Flights from Seattle (SEA) to Nanjing (NKG)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Lukou Intl.
Airlines serving
Air Canada, Air China, Asiana Airlines, Cathay Pacific, Delta, Hainan Airlines, Korean Air, Singapore Airlines, United
Roundtrip price
$850
Distance
5781 mi

Seattle to Nanjing Flights

The cheapest times to fly from Seattle to Nanjing

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 Nanjing are during the month of February. You can find some of the cheapest flights from Seattle to Nanjing with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Nanjing

Sunday is one of the best days to book for cheap flights from Seattle to Nanjing: 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 Nanjing

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 Nanjing in 2026. You can also book with separate airlines for your outbound and return journeys, from $415 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 Nanjing 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 Nanjing 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Lukou Intl. Airport (NKG) cost?
Get a cheap one-way flight from $415 or cheap return flight from $851 from Seattle - Tacoma Intl. Airport (SEA) to Lukou Intl. Airport (NKG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Lukou Intl. Airport (NKG)?
Traveling in February can help you save, as it's the cheapest month for flights between SEA and NKG. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Lukou Intl. Airport (NKG)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SEA to NKG flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Lukou Intl. Airport (NKG)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Lukou Intl. Airport (NKG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to NKG?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Lukou Intl. Airport (NKG)?
To touch down at Lukou Intl. Airport (NKG) on time, select a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Lukou Intl. Airport (NKG) last-minute?
Waiting until just before your departure to book your flight from SEA to NKG often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book a SEA to NKG flight and hotel package?
Booking a SEA to NKG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Lukou Intl. Airport (NKG)?
Usually, it's possible to reschedule or cancel your SEA to NKG 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 possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.