HK$1,220+ 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 10-12. 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
2 Dec — 9 Dec1
1 adult
1 adult, Economy, 0 bags

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 2 November 2025.

Good round-trip deal

HK$1,274 or less

Good one-way deal

HK$3,007 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

Enter your travel dates to find the best prices.

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 2 November 2025.

Tue 28-416:05STL - HKG
2 stops35h 00mAir Canada
Tue 5-518:00HKG - STL
2 stops34h 16mAir Canada
Deal found 2-11HK$5,120
Mon 30-316:05STL - HKG
2 stops35h 00mAir Canada
Mon 13-418:00HKG - STL
2 stops34h 24mAir Canada
Deal found 31-10HK$6,068
Mon 27-416:05STL - HKG
2 stops59h 00mAir Canada
Fri 1-518:00HKG - STL
2 stops38h 30mAir Canada
Deal found 30-10HK$6,270
Sat 14-316:05STL - HKG
2 stops41h 35mMultiple Airlines
Sun 12-418:00HKG - STL
2 stops34h 24mMultiple Airlines
Deal found 1-11HK$7,498
Tue 28-413:27STL - HKG
2 stops26h 33mUnited Airlines
Tue 5-511:45HKG - STL
1 stop19h 08mUnited Airlines
Deal found 2-11HK$8,042
Mon 27-419:06STL - HKG
1 stop20h 54mUnited Airlines
Fri 1-511:45HKG - STL
1 stop19h 08mUnited Airlines
Deal found 1-11HK$8,399
Fri 13-305:00STL - HKG
2 stops25h 15mUnited Airlines
Sun 12-422:30HKG - STL
1 stop32h 23mUnited Airlines
Deal found 31-10HK$8,725
Thu 26-210:03STL - CAN
2 stops26h 17mCathay Pacific
Mon 2-310:15CAN - STL
2 stops26h 42mCathay Pacific
Deal found 1-11HK$9,161
Thu 26-214:19STL - CAN
2 stops34h 06mQatar Airways
Sun 1-300:55CAN - STL
2 stops32h 31mQatar Airways
Deal found 1-11HK$13,302

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 2 November 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 28-4

16:05-16:05

2 stops35h 00m

Hong Kong Intl

Tue 5-5

18:00-15:16

2 stops34h 16m

HK$5,120

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 30-3

16:05-16:05

2 stops35h 00m

Hong Kong Intl

Mon 13-4

18:00-15:24

2 stops34h 24m

HK$6,068

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 27-4

16:05-16:05

2 stops59h 00m

Hong Kong Intl

Fri 1-5

18:00-19:30

2 stops38h 30m

HK$6,270

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 14-3

16:05-22:40

2 stops41h 35m

Hong Kong Intl

Sun 12-4

18:00-15:24

2 stops34h 24m

HK$7,498

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 28-4

13:27-05:40

2 stops27h 13m

Hong Kong Intl

Tue 5-5

11:45-17:53

1 stop19h 08m

HK$8,042

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 27-4

19:06-05:00

1 stop20h 54m

Hong Kong Intl

Fri 1-5

11:45-17:53

1 stop19h 08m

HK$8,399

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

Thu 26-2

10:03-02:20

2 stops26h 17m

Guangzhou Baiyun

Mon 2-3

05:00-22:57

2 stops31h 57m

HK$9,161

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

Thu 26-2

14:19-13:30

2 stops33h 11m

Guangzhou Baiyun

Sun 1-3

00:55-19:26

2 stops32h 31m

HK$13,302

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 4-2

14:50-12:30

2 stops31h 40m

HK$3,691

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Thu 5-2

13:35-04:35

2 stops25h 00m

HK$3,916

Flights are sorted by cheapest return flights first.

Deals found on 31-10

Showing 1-10 of 14 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$5,944). Flying from St. Louis in July will prove the most costly (average of HK$9,969). 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

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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 2 November 2025.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Denver, Cancún, Atlanta. Throughout the year, Denver, Cancún, 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$1,274 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$4,558 to fly from St. Louis.

  • What is the cheapest premium economy flight from St. Louis?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from St. Louis.
    Fly Lambert-St Louis to San Francisco from HK$18,515

  • 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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