$542 Cheap Flights from St. Louis (STL) to Nanjing (NKG)

View $542 flight on Fri, Feb 13, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Nanjing (NKG-Lukou Intl.)

Cheap Flights from St. Louis to Nanjing (STL-NKG)

Prices were available within the past 7 days and start at $542 for one-way flights and $1,050 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Nov 16 - Thu, Nov 20
STL
St. Louis
NKG
Nanjing
$1,050 Roundtrip, found 5 days ago
$1,050
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Nov 16 from St. Louis to Nanjing, returning Thu, Nov 20, priced at $1,050 found 5 days ago
Cathay Pacific
Fri, Feb 13 - Sun, Mar 1
STL
St. Louis
NKG
Nanjing
$1,199 Roundtrip, found 4 days ago
$1,199
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Fri, Feb 13 from St. Louis to Nanjing, returning Sun, Mar 1, priced at $1,199 found 4 days ago
Cathay Pacific
Fri, Feb 13 - Sun, Mar 1
STL
St. Louis
NKG
Nanjing
$1,224 Roundtrip, found 4 days ago
$1,224
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Fri, Feb 13 from St. Louis to Nanjing, returning Sun, Mar 1, priced at $1,224 found 4 days ago
Cathay Pacific
Sun, Nov 16 - Thu, Nov 20
STL
St. Louis
NKG
Nanjing
$1,234 Roundtrip, found 5 days ago
$1,234
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Sun, Nov 16 from St. Louis to Nanjing, returning Thu, Nov 20, priced at $1,234 found 5 days ago
Cathay Pacific
Thu, Apr 30 - Sun, May 17
STL
St. Louis
NKG
Nanjing
$1,249 Roundtrip, found 3 days ago
$1,249
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Thu, Apr 30 from St. Louis to Nanjing, returning Sun, May 17, priced at $1,249 found 3 days ago
Cathay Pacific
Thu, Apr 30 - Sun, May 17
STL
St. Louis
NKG
Nanjing
$1,260 Roundtrip, found 3 days ago
$1,260
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Thu, Apr 30 from St. Louis to Nanjing, returning Sun, May 17, priced at $1,260 found 3 days ago
Cathay Pacific
Fri, Feb 13 - Sun, Mar 1
STL
St. Louis
NKG
Nanjing
$1,274 Roundtrip, found 4 days ago
$1,274
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Fri, Feb 13 from St. Louis to Nanjing, returning Sun, Mar 1, priced at $1,274 found 4 days ago
Cathay Pacific
Sun, Nov 16 - Thu, Nov 20
STL
St. Louis
NKG
Nanjing
$1,284 Roundtrip, found 5 days ago
$1,284
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Sun, Nov 16 from St. Louis to Nanjing, returning Thu, Nov 20, priced at $1,284 found 5 days ago
Cathay Pacific
Sat, May 9 - Mon, May 25
STL
St. Louis
NKG
Nanjing
$1,299 Roundtrip, found 3 days ago
$1,299
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Sat, May 9 from St. Louis to Nanjing, returning Mon, May 25, priced at $1,299 found 3 days ago
Cathay Pacific
Sun, Jul 19 - Thu, Jul 23
STL
St. Louis
NKG
Nanjing
$1,304 Roundtrip, found 3 days ago
$1,304
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Sun, Jul 19 from St. Louis to Nanjing, returning Thu, Jul 23, priced at $1,304 found 3 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG) cost?
Get a cheap one-way flight from $542 or cheap return flight from $1,050 from Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG)?
Traveling in November may help you find better deals, as it's the cheapest month for flights between STL and NKG. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to NKG flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to NKG?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG) last-minute?
Last-minute bookings from STL to NKG are usually more expensive. To lock in the best prices, start searching for flights well in advance. That said, if your travel plans are flexible, you may land a cheap ticket right before your trip.
Is it cheaper to book a STL to NKG flight and hotel package?
Booking a STL to NKG flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of stays and then add activities, flights and car rentals 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 Lambert-St. Louis Intl. Airport (STL) to Lukou Intl. Airport (NKG)?
In most instances, you're able to reschedule or cancel your STL to NKG flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Lukou Intl.
Airlines serving
Cathay Pacific
Roundtrip price
$1,049
Distance
7217 mi

Book with confidence

St. Louis to Nanjing Flights

The cheapest times to fly from St. Louis 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 St. Louis to Nanjing are during the month of November. You can find some of the cheapest flights from St. Louis to Nanjing with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Nanjing

Sunday is one of the best days to book for cheap flights from St. Louis 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 St. Louis 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 St. Louis to Nanjing in 2025. You can also book with separate airlines for your outbound and return journeys, from $542 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 St. Louis 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 St. Louis 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.

 

St. Louis to Nanjing Flights

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*Available to One Key members.