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HK$4,719+ Cheap flights to St. Louis

— STL
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to St. Louis in 2026

Enter your travel dates to find the best prices.

Cheapest flights to St. Louis

Thu 19-1113:30 -
2 stops22h 29m
Mon 23-1106:00 -
1 stop33h 05m
Deal found 4-11HK$9,461
Sun 20-1200:55 -
2 stops21h 34m
Mon 28-1206:01 -
1 stop23h 09m
Deal found 6-11HK$11,225
Thu 19-1116:30 -
1 stop17h 47m
Mon 23-1106:00 -
1 stop23h 10m
Deal found 4-11HK$12,761
Thu 19-1111:25 -
2 stops23h 34m
Mon 23-1116:39 -
2 stops24h 06m
Deal found 4-11HK$12,942
Sun 20-1200:25 -
2 stops33h 27m
Mon 28-1218:57 -
2 stops36h 43m
Deal found 6-11HK$13,349
Mon 21-1213:05 -
1 stop24h 54m
Mon 28-1209:15 -
1 stop20h 50m
Deal found 6-11HK$13,788

Find flight deals to St. Louis

Return from

HK$9,461

One-way from

HK$4,719
American Airlines
  • American Airlines
  • 19-11-23-11
  • 3 total stops
  • 55h 34m total
  • Hong Kong to St. Louis
Search Deals
16-12-31-12
  • 16-12-31-12
  • 2 total stops
  • 40h 59m total
  • Hong Kong to St. Louis
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Wed 16-12

21:00-23:59

2 stops40h 59m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,719

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Mon 8-2

21:50-10:20

3 stops50h 30m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,891
Fastest return journey

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Tue 15-12

10:20-16:40

2 stops20h 20m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,907

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Mon 8-2

00:15-10:20

3 stops48h 05m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$5,409

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Fri 18-12

16:30-00:16

1 stop21h 46m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$7,400

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Sun 20-12

00:55-08:29

2 stops21h 34m

Lambert-St Louis

Mon 28-12

06:01-19:10

1 stop23h 09m

HK$11,225

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Thu 19-11

16:30-20:17

1 stop17h 47m

Lambert-St Louis

Mon 23-11

06:00-19:10

1 stop23h 10m

HK$12,761

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Thu 19-11

11:25-20:59

2 stops23h 34m

Lambert-St Louis

Mon 23-11

16:39-06:45

2 stops24h 06m

HK$12,942

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Sun 20-12

00:25-19:52

2 stops33h 27m

Lambert-St Louis

Mon 28-12

18:57-21:40

2 stops36h 43m

HK$13,349

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Mon 21-12

21:10-16:42

3 stops33h 32m

Lambert-St Louis

Mon 28-12

16:21-09:00

3 stops26h 39m

HK$15,607

Flights are sorted by cheapest return flights first.

Deals found on 8-11

Sorted by cheapest first

Best time to book a flight to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to St. Louis

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

How long is the flight to St. Louis?

On average, a flight from Hong Kong to St. Louis takes 17 hours 47 minutes. Flights to St. Louis from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flying to St. Louis

  • What airport do you fly into for flights to St. Louis?

    Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights to St. Louis.

  • Can I find cheaper flights to St. Louis if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Louis on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the cheapest airport to fly to in St. Louis?

    Lambert-St Louis is currently the cheapest airport to fly to in St. Louis. One-way flights to Lambert-St Louis typically cost HK$999, while return flights cost around HK$2,397.

  • Does Lambert-St Louis have rental cars?

    Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

See more FAQs

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