The cheapest times to fly from NKG to SEA are

  • January 29th to March 18th
  • May 21st to July 1st (except the weeks of May 28th and June 11th)
  • August 27th to December 2nd (except the week of September 24th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from NKG to SEA is mid November. Prices can be as high as $2321 for Saturday flights during late July, or as low as $523 for Sunday flights around mid November.


When to Fly to Seattle

Flying from Nanjing (NKG) to Seattle, WA (SEA) will usually cost between $536 to $1533 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $524. Due to high demand the most expensive time to fly is late July, with an average price of $1648. Planning your trip to low-cost times can easily save you $1124 on economy flights and even more on first-class flights. Generally, any price below $821 can be considered a good price for a round-trip NKG to SEA flight.

See below for a graph of average weekly prices for the NKG to SEA route. All prices are for round-trip tickets in USD.

NKG to SEA Flight Prices

Compared to other flights, the NKG to SEA flight is cheaper than the average and costs less than the average flight leaving from Nanjing. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to SEA, and Monday the cheapest day to fly back into NKG. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $178 (16%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $817. Return trip prices are from the SEA to NKG flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from NKG to SEA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 23 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from NKG to SEA while comparing.

Destination alternative #1: Vancouver International Airport (YVR) in Vancouver

  • 127 miles (204 km) away from SEA
  • Usually 2.68% less expensive than SEA
  • Nonstop flights available

See NKG to YVR flights


Flight Hacking NKG to SEA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from NKG to SEA — but Champion Traveler does!

Hack #1: Los Angeles, CA (NKG > LAX > SEA)

  • Price for both tickets: $743
  • Average savings: $79 (9.56%)

See NKG to SFO flights

Hack #2: San Francisco, CA (NKG > SFO > SEA)

  • Price for both tickets: $805
  • Average savings: $17 (2.01%)

See NKG to LAX flights


Flight Questions Answered

Still have questions about flying from NKG to SEA? We’ve got answers.

Which airlines fly this route?

You can find 21 major airlines flying this route most often: Air Canada, Air China, Air Macau, Alaska, ANA, Asiana, Cathay Dragon, Cathay Pacific, China Eastern, China Southern, Delta, EVA Air, Hainan, JAL, Korean Air, Lufthansa, Shanghai Airlines, Shenzhen, Singapore Airlines, United, Xiamen, and potentially more during busy seasons.

How far away is it from Seattle/Tacoma International Airport to Lukou Airport?

The distance between the two airports is roughly 5780 miles or 9302 kilometers.

How long does it take to fly from NKG to SEA?

The real-world flight time for a nonstop NKG to SEA flight is about 11 hour 23 minutes.

How many flights go between Nanjing and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from NKG to SEA.


Airport Location Info


Departing Airport

Origination code NKG
Origination airport name Lukou Airport
City Nanjing
Country China
Latitude 31.7
Longitude 118.9

Return Airport

Destination code SEA
Destination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.