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HK$4,948+ 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 14-5. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
8 Jun — 15 Jun1
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 May 2026.

Fri 30-1018:05
HKG
-
STL
2 stops39h 03m
Qatar Airways
Tue 3-1114:17
STL
-
HKG
2 stops34h 33m
Qatar Airways
Deal found 5-5HK$9,089
Sat 11-701:25
HKG
-
STL
2 stops35h 51m
Qatar Airways
Mon 17-813:25
STL
-
HKG
2 stops36h 45m
Qatar Airways
Deal found 8-5HK$9,747
Fri 30-1013:30
HKG
-
STL
2 stops22h 55m
American Airlines
Tue 3-1107:00
STL
-
HKG
1 stop32h 05m
American Airlines
Deal found 5-5HK$10,154
Fri 11-901:25
HKG
-
STL
2 stops34h 55m
Qatar Airways
Sun 13-916:29
STL
-
HKG
2 stops40h 26m
Qatar Airways
Deal found 7-5HK$10,843
Sat 11-701:25
HKG
-
STL
2 stops35h 51m
Multiple Airlines
Mon 17-806:02
STL
-
HKG
1 stop21h 43m
Multiple Airlines
Deal found 8-5HK$12,361
Sun 12-723:55
HKG
-
STL
1 stop26h 30m
Lufthansa
Mon 17-815:30
STL
-
HKG
1 stop34h 50m
Lufthansa
Deal found 8-5HK$12,917
Fri 30-1010:35
HKG
-
STL
1 stop24h 25m
United Airlines
Tue 3-1119:06
STL
-
HKG
1 stop21h 39m
United Airlines
Deal found 6-5HK$13,935
Sat 12-911:45
HKG
-
STL
1 stop19h 39m
United Airlines
Sun 13-916:40
STL
-
HKG
2 stops23h 20m
United Airlines
Deal found 7-5HK$14,538

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 May 2026.

Return from

HK$9,089

One-way from

HK$4,838
Qatar Airways
  • Qatar Airways
  • 30-10-3-11
  • 4 total stops
  • 73h 36m total
  • Hong Kong to St. Louis
Search Deals
29-9
  • 29-9
  • 2 total stops
  • 33h 46m 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 May 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

Sat 11-7

01:25-00:16

2 stops35h 51m

Lambert-St Louis

Mon 17-8

13:25-15:10

2 stops36h 45m

HK$9,747

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 12-7

23:55-13:25

1 stop26h 30m

Lambert-St Louis

Mon 17-8

15:30-15:20

1 stop34h 50m

HK$12,917
Fastest return journey

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 12-7

20:10-14:02

3 stops30h 52m

Lambert-St Louis

Mon 17-8

12:10-05:15

3 stops28h 05m

HK$19,822

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sat 11-7

00:40-21:26

2 stops33h 46m

Lambert-St Louis

Mon 17-8

15:13-18:15

3 stops38h 02m

HK$19,900
Cheapest one-way

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 14-5

19:40-18:45

2 stops36h 05m

HK$4,948

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 13-5

20:00-23:54

3 stops40h 54m

HK$5,504

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 15-7

13:40-08:57

3 stops56h 17m

HK$6,091

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 21-7

19:40-00:16

2 stops41h 36m

HK$6,099

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 14-7

01:25-00:16

2 stops35h 51m

HK$6,099

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 21-7

20:15-08:19

3 stops49h 04m

HK$6,881

Flights are sorted by cheapest return flights first.

Deals found on 6-5

Showing 1-10 of 12 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 27 hours 10 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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