St. Louis (STL) → Hong Kong (HKG)

12,770 km
16h 28m flight
From $1630
Hong Kong destination photo

About St. Louis to Hong Kong Flights

Discover the best flights from St. Louis to Hong Kong, covering 12,770 km in approximately 16h 28m. St. Louis (STL) to Hong Kong (HKG) is one of the major long-haul routes connecting United States and Hong Kong. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from St. Louis to Hong Kong.

12-Month Price History

Flight prices from St. Louis to Hong Kong vary significantly throughout the year. February typically offers the best deals with average prices around $2265, while July sees the highest prices, averaging $3780. Savvy travelers can save up to 40% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

125 days

For best prices

Booking Tips

For the best prices on St. Louis to Hong Kong flights, we recommend booking 66 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Hong Kong Airlines

HX

Economy

$3310

Business

$13400

First

$19240

United Airlines

UA

Economy

$3420

Business

$13230

First

$21100

British Airways

BA

Economy

$3600

Business

$12090

First

$23430

Cathay Pacific

CX

Economy

$3690

Business

$11110

First

$18000

Cathay Dragon

KA

Economy

$3910

Business

$11740

First

$17620

American Airlines

AA

Economy

$4060

Business

$11720

First

$19680

Delta Air Lines

DL

Economy

$4180

Business

$14110

First

$17920

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Guangzhou destination photo

St. LouisGuangzhou

St. Louis Lambert International (STL) to Guangzhou Baiyun International (CAN)

Distance: 12,679 km

Average price: $2602

View this route →
Shenzhen destination photo

St. LouisShenzhen

St. Louis Lambert International (STL) to Shenzhen Bao'an International (SZX)

Distance: 12,739 km

Average price: $2614

View this route →

Don't Forget Travel Insurance!

Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Hong Kong, Hong Kong.

  • Medical coverage up to $250,000
  • Trip interruption & delays covered
  • Lost luggage protection included

From just $45/month • Works in 180+ countries • COVID-19 coverage included

Get Travel Insurance Quote

Trusted by 100,000+ travelers

Frequently Asked Questions

How long is the flight from St. Louis to Hong Kong?

The flight time from St. Louis (STL) to Hong Kong (HKG) is approximately 16 hours and 28 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between St. Louis and Hong Kong?

The aerial distance between St. Louis and Hong Kong is 12,770 kilometers (7,935 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from St. Louis to Hong Kong?

Several airlines operate flights between St. Louis and Hong Kong, including Cathay Pacific, Hong Kong Airlines, Cathay Dragon and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from St. Louis to Hong Kong?

Based on historical data, February typically offers the lowest airfares for flights from St. Louis to Hong Kong. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Hong Kong?

For the best prices on St. Louis to Hong Kong flights, we recommend booking 142 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from St. Louis to Hong Kong?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Hong Kong should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between St. Louis and Hong Kong?

St. Louis operates on America/Chicago time zone, while Hong Kong is in the Asia/Hong_Kong time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.