The cheapest times to fly from HKG to STL are

  • February 12th to June 3rd
  • October 8th to December 2nd

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 HKG to STL is mid May. Prices can be as high as $1694 for Saturday flights during early January, or as low as $657 for Tuesday flights around mid May.


When to Fly to St. Louis

Flying from Hong Kong (HKG) to St. Louis, MO (STL) will usually cost between $769 to $1381 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $741. Due to high demand the most expensive time to fly is early January, with an average price of $1425. Planning your trip to low-cost times can easily save you $683 on economy flights and even more on first-class flights. Generally, any price below $880 can be considered a good price for a round-trip HKG to STL flight.

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

HKG to STL Flight Prices

Compared to other flights, the HKG to STL flight is cheaper than the average and costs about as much as the average flight leaving from Hong Kong. The average price per mile (for a direct flight) is $0.07, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. 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 $107 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $886. Return trip prices are from the STL to HKG 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 HKG to STL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 16 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from HKG to STL? We’ve got answers.

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Air Canada, Air France, American, ANA, Asiana, Cathay Pacific, Delta, Finnair, JAL, Korean Air, Lufthansa, Royal Jordanian, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from St Louis Lambert International Airport to Hong Kong International Airport?

The distance between the two airports is roughly 7933 miles or 12767 kilometers.

How long does it take to fly from HKG to STL?

The real-world flight time for a nonstop HKG to STL flight is about 15 hour 16 minutes.

How many flights go between Hong Kong and St. Louis, MO?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from HKG to STL.


Airport Location Info


Departing Airport

Origination code HKG
Origination airport name Hong Kong International Airport
City Hong Kong
Country Hong Kong
Latitude 22.3
Longitude 113.9

Return Airport

Destination code STL
Destination airport name St Louis Lambert International Airport
City St. Louis, MO
Country the United States
Latitude 38.7
Longitude -90.4


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.