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HK$4,958+ Cheap flights to St. Louis

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1-6. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
9 May — 16 May1
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
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 9 April 2026.

Sun 26-401:25
HKG
-
STL
2 stops33h 52m
Qatar Airways
Mon 11-512:27
STL
-
HKG
2 stops38h 58m
Qatar Airways
Deal found 5-4HK$8,835
Sun 26-401:25
HKG
-
STL
2 stops33h 52m
Qatar Airways
Mon 8-614:36
STL
-
HKG
2 stops36h 49m
Qatar Airways
Deal found 5-4HK$9,665
Tue 20-1019:40
HKG
-
STL
2 stops40h 45m
Qatar Airways
Sat 24-1016:32
STL
-
HKG
2 stops33h 18m
Qatar Airways
Deal found 6-4HK$10,002
Mon 14-901:25
HKG
-
STL
2 stops34h 55m
Qatar Airways
Sat 19-916:29
STL
-
HKG
2 stops33h 41m
Qatar Airways
Deal found 8-4HK$10,307
Sat 18-401:25
HKG
-
STL
2 stops35h 21m
Qatar Airways
Wed 22-409:34
STL
-
HKG
2 stops34h 36m
Qatar Airways
Deal found 5-4HK$10,777
Thu 9-701:25
HKG
-
STL
2 stops35h 31m
Qatar Airways
Fri 17-714:35
STL
-
HKG
2 stops42h 20m
Qatar Airways
Deal found 5-4HK$10,918
Tue 20-1016:05
HKG
-
STL
1 stop18h 55m
Cathay Pacific
Sat 24-1006:30
STL
-
HKG
1 stop33h 35m
Cathay Pacific
Deal found 6-4HK$12,108
Sun 19-418:15
HKG
-
STL
2 stops41h 02m
Multiple Airlines
Wed 22-407:00
STL
-
HKG
1 stop20h 45m
Multiple Airlines
Deal found 5-4HK$12,680
Mon 4-522:30
HKG
-
STL
1 stop20h 17m
United Airlines
Mon 11-509:21
STL
-
HKG
2 stops31h 19m
United Airlines
Deal found 5-4HK$13,338
Tue 15-911:45
HKG
-
STL
1 stop19h 39m
United Airlines
Sat 19-908:52
STL
-
HKG
1 stop21h 03m
United Airlines
Deal found 7-4HK$13,933

Find flight deals to St. Louis

Find the latest flights to St. Louis in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 9 April 2026.

Return from

HK$8,835

One-way from

HK$4,958
Qatar Airways
  • Qatar Airways
  • 26-4-11-5
  • 4 total stops
  • 72h 50m total
  • Hong Kong to St. Louis
Search Deals
1-6
  • 1-6
  • 2 total stops
  • 40h 34m total
  • Hong Kong to St. Louis
Search Deals

Cheapflights Fare Finder

 
Locate flights to St. Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 9 April 2026.
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 - STL

HKGSTL

Hong Kong Intl

Mon 14-9

01:25-20:03

2 stops31h 38m

Lambert-St Louis

Sat 19-9

16:29-15:10

2 stops33h 41m

HK$10,002

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 18-4

01:25-23:46

2 stops35h 21m

Lambert-St Louis

Wed 22-4

09:34-09:10

2 stops34h 36m

HK$10,777

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 4-5

22:30-05:47

1 stop20h 17m

Lambert-St Louis

Mon 11-5

09:21-05:40

2 stops31h 19m

HK$13,338
Fastest return journey

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 15-9

11:45-23:50

2 stops25h 05m

Lambert-St Louis

Sat 19-9

08:52-18:55

1 stop21h 03m

HK$13,933

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 9-7

01:25-20:29

2 stops32h 04m

Lambert-St Louis

Fri 17-7

19:26-04:05

1 stop19h 39m

HK$14,975

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Mon 4-5

17:35-14:50

3 stops34h 15m

Lambert-St Louis

Mon 11-5

08:25-10:05

2 stops36h 40m

HK$15,186

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 19-4

12:45-23:57

1 stop24h 12m

Lambert-St Louis

Wed 22-4

05:20-05:10

1 stop34h 50m

HK$17,935
Cheapest one-way
Fastest single journey

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 29-9

20:10-14:16

2 stops31h 06m

HK$4,981

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 24-6

13:40-18:18

3 stops41h 38m

HK$5,757

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 13-5

01:25-22:19

2 stops33h 54m

HK$5,960

Flights are sorted by cheapest return flights first.

Deals found on 5-4

Showing 1-10 of 14 resultsSorted by cheapest first
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals 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

Plan your trip to St. Louis by taking into account the average temperature totals 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 20 hours 20 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.

  • 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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How does Cheapflights help users find flights to St. Louis?

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Users can book flights with no change fees policies with our dedicated filters. Book flights to St. Louis flexibly with Cheapflights today.

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