HK$1,229+ Cheap flights from St. Louis

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27-9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — HKG
21 Aug — 28 Aug1
1 adult

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 16 August 2025.

Good round-trip deal

HK$719 or less

Good one-way deal

HK$3,028 or less
Price to beat on a round-trip flight from Lambert-St Louis.
Price to beat on a one-way flight from Lambert-St Louis.

Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 16 August 2025.

Tue 30-916:05STL - HKG
2 stops35h 00mAir Canada
Tue 7-1018:00HKG - STL
2 stops34h 18mAir Canada
Deal found 16-8HK$6,417
Sun 28-916:05STL - HKG
2 stops35h 00mAir Canada
Sun 5-1018:00HKG - STL
2 stops34h 18mAir Canada
Deal found 14-8HK$6,746
Thu 6-1116:05STL - HKG
2 stops36h 35mAir Canada
Thu 20-1120:25HKG - STL
2 stops33h 04mAir Canada
Deal found 15-8HK$7,246
Thu 6-1113:30STL - HKG
2 stops43h 40mDelta
Wed 19-1100:55HKG - STL
2 stops36h 07mDelta
Deal found 15-8HK$7,309
Thu 6-1113:35STL - HKG
2 stops27h 10mUnited Airlines
Thu 20-1110:35HKG - STL
1 stop19h 52mUnited Airlines
Deal found 15-8HK$7,419
Tue 30-915:23STL - HKG
2 stops24h 37mUnited Airlines
Tue 7-1011:15HKG - STL
3 stops23h 45mUnited Airlines
Deal found 16-8HK$7,450
Sat 8-1117:29STL - HKG
1 stop23h 16mUnited Airlines
Thu 13-1110:35HKG - STL
1 stop19h 52mUnited Airlines
Deal found 15-8HK$7,771
Tue 30-915:59STL - HKG
1 stop23h 36mCathay Pacific
Tue 7-1012:40HKG - STL
1 stop19h 43mCathay Pacific
Deal found 16-8HK$8,099
Thu 6-1108:40STL - HKG
1 stop21h 55mCathay Pacific
Wed 19-1100:25HKG - STL
1 stop37h 17mCathay Pacific
Deal found 15-8HK$8,146
Fri 12-917:49STL - HKG
1 stop22h 11mUnited Airlines
Fri 19-922:30HKG - STL
2 stops28h 49mUnited Airlines
Deal found 14-8HK$8,154
Sun 28-906:00STL - HKG
2 stops27h 30mMultiple Airlines
Sat 4-1000:45HKG - STL
2 stops36h 18mMultiple Airlines
Deal found 14-8HK$8,170
Mon 6-1015:23STL - CAN
2 stops41h 37mEmirates
Tue 14-1000:15CAN - STL
2 stops34h 45mEmirates
Deal found 15-8HK$24,314

Find flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 16 August 2025. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Hong Kong

Route

Departure

Return

Price

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 30-9

16:05-16:05

2 stops35h 00m

Hong Kong Intl

Tue 7-10

18:00-15:18

2 stops34h 18m

HK$6,417

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 8-11

16:05-18:40

2 stops36h 35m

Hong Kong Intl

Thu 13-11

20:25-15:29

2 stops33h 04m

HK$6,746

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 28-9

16:05-16:05

2 stops35h 00m

Hong Kong Intl

Sun 5-10

18:00-15:18

2 stops34h 18m

HK$6,746

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 6-11

16:05-18:40

2 stops36h 35m

Hong Kong Intl

Thu 20-11

20:25-15:29

2 stops33h 04m

HK$7,246

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 6-11

13:30-23:10

2 stops43h 40m

Hong Kong Intl

Wed 19-11

00:55-23:02

2 stops36h 07m

HK$7,309

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 6-11

17:29-06:45

1 stop23h 16m

Hong Kong Intl

Thu 20-11

10:35-16:27

1 stop19h 52m

HK$7,419

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 30-9

17:35-05:00

1 stop22h 25m

Hong Kong Intl

Tue 7-10

09:15-22:00

2 stops25h 45m

HK$7,419

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 8-11

17:29-06:45

1 stop23h 16m

Hong Kong Intl

Thu 13-11

10:35-16:27

1 stop19h 52m

HK$7,771

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 30-9

15:59-04:35

1 stop23h 36m

Hong Kong Intl

Tue 7-10

12:40-19:23

1 stop19h 43m

HK$8,099

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

Mon 6-10

15:23-22:00

2 stops41h 37m

Guangzhou Baiyun

Tue 14-10

00:15-22:00

2 stops34h 45m

HK$24,314

Flights are sorted by cheapest return flights first.

Deals found on 15-8

Showing 1-10 of 16 results
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Best time to book a flight from St. Louis

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis?

Currently, April is the cheapest month in which you can book a flight from St. Louis (average of HK$6,065). Flying from St. Louis in July will prove the most costly (average of HK$10,040). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from Missouri

Book a direct flight from one of these other cities located in Missouri.

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 16 August 2025.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Boston, Cancún, Atlanta. Throughout the year, Cancún, Boston, Atlanta are some of the top choices made by users flying from St. Louis.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as HK$719 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$1,950 to fly from St. Louis.

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

    Currently, the cheapest month for flights from St. Louis is April. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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

    When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from St. Louis?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from St. Louis with no change fees?

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

  • Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

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How does Cheapflights help users find flights from St. Louis?

When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St. Louis with no change fees?

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

Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

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