HK$909+ 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 25-1. 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
15 Dec — 22 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 15 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 15 November 2025.

Tue 28-416:05STL - HKG
2 stops35h 00mAir Canada
Tue 5-518:00HKG - STL
2 stops34h 16mAir Canada
Deal found 14-11HK$6,310
Sat 3-118:35STL - HKG
2 stops58h 05mAir Canada
Wed 14-120:25HKG - STL
2 stops33h 04mAir Canada
Deal found 14-11HK$6,458
Sat 3-118:35STL - HKG
2 stops58h 05mAir Canada
Fri 16-120:25HKG - STL
2 stops38h 48mAir Canada
Deal found 14-11HK$6,652
Mon 27-416:05STL - HKG
2 stops35h 00mAir Canada
Fri 1-518:00HKG - STL
2 stops37h 25mAir Canada
Deal found 14-11HK$6,722
Fri 2-118:35STL - HKG
2 stops58h 05mAir Canada
Wed 14-120:25HKG - STL
2 stops33h 04mAir Canada
Deal found 14-11HK$6,847
Tue 12-513:30STL - HKG
2 stops37h 35mAir Canada
Wed 17-618:00HKG - STL
2 stops61h 18mAir Canada
Deal found 14-11HK$6,870
Mon 9-218:40STL - HKG
2 stops58h 00mAir Canada
Thu 30-418:00HKG - STL
2 stops61h 25mAir Canada
Deal found 13-11HK$6,917
Fri 2-118:35STL - HKG
2 stops58h 05mAir Canada
Fri 16-120:25HKG - STL
2 stops38h 48mAir Canada
Deal found 14-11HK$7,049
Sat 3-118:35STL - HKG
2 stops58h 05mAir Canada
Tue 13-120:25HKG - STL
2 stops56h 05mAir Canada
Deal found 14-11HK$7,072
Tue 12-513:30STL - HKG
2 stops61h 35mMultiple Airlines
Mon 22-609:10HKG - STL
2 stops46h 08mMultiple Airlines
Deal found 14-11HK$7,103
Tue 12-513:30STL - HKG
2 stops61h 35mAir Canada
Sat 20-618:00HKG - STL
2 stops61h 18mAir Canada
Deal found 14-11HK$7,258
Fri 2-118:35STL - HKG
2 stops58h 05mAir Canada
Tue 13-120:25HKG - STL
2 stops56h 05mAir Canada
Deal found 14-11HK$7,460

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 15 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

Mon 27-4

16:05-16:05

2 stops35h 00m

Hong Kong Intl

Fri 1-5

18:00-18:25

2 stops37h 25m

HK$6,722

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 12-5

13:30-16:05

2 stops61h 35m

Hong Kong Intl

Wed 17-6

18:00-18:18

2 stops37h 18m

HK$6,870

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 9-2

17:00-06:45

1 stop23h 45m

Hong Kong Intl

Thu 30-4

22:30-15:21

2 stops29h 51m

HK$8,012

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sun 4-1

17:02-19:15

2 stops36h 13m

Hong Kong Intl

Thu 15-1

22:30-05:11

1 stop20h 41m

HK$8,043

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 28-4

10:09-05:00

2 stops29h 51m

Hong Kong Intl

Tue 5-5

11:45-18:22

1 stop19h 37m

HK$8,043

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

11:45-18:22

1 stop19h 37m

HK$8,401

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 3-1

06:41-19:20

1 stop22h 39m

Hong Kong Intl

Thu 15-1

22:30-05:11

1 stop20h 41m

HK$8,401

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sat 3-1

06:41-19:20

1 stop22h 39m

Hong Kong Intl

Tue 13-1

22:30-15:52

2 stops31h 22m

HK$8,432

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$9,745

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

Thu 26-2

14:19-14:25

2 stops34h 06m

Guangzhou Baiyun

Sun 1-3

00:55-19:26

2 stops32h 31m

HK$15,038

Flights are sorted by cheapest return flights first.

Deals found on 13-11

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$5,945). Flying from St. Louis in July will prove the most costly (average of HK$9,971). 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 15 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$4,559 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$18,518

  • 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!

See more FAQs

Fly with Cheapflights

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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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