HK$1,019+ 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 20-11. 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
17 Okt — 24 Okt1
1 adult
1 adult, Economy

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 17 September 2025.

Good round-trip deal

HK$1,276 or less

Good one-way deal

HK$3,011 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 17 September 2025.

Mi 4-307:00STL - HKG
2 stops38h 50mMultiple Airlines
Mo 9-313:15HKG - STL
2 stops23h 41mMultiple Airlines
Deal found 16-9HK$7,134
So 9-1116:05STL - HKG
2 stops40h 25mMultiple Airlines
Di 18-1120:25HKG - STL
2 stops33h 04mMultiple Airlines
Deal found 16-9HK$7,243
Mi 11-216:05STL - HKG
2 stops36h 35mAir Canada
Mi 11-319:25HKG - STL
2 stops33h 04mAir Canada
Deal found 16-9HK$7,306
Fr 13-216:05STL - HKG
2 stops54h 50mMultiple Airlines
So 22-216:25HKG - STL
2 stops61h 04mMultiple Airlines
Deal found 14-9HK$7,702
Fr 31-1007:00STL - HKG
2 stops39h 50mMultiple Airlines
Fr 7-1109:25HKG - STL
2 stops28h 34mMultiple Airlines
Deal found 16-9HK$7,765
Mi 11-208:05STL - HKG
2 stops31h 40mANA
Di 10-300:05HKG - STL
2 stops25h 15mANA
Deal found 16-9HK$7,866
Mi 15-1013:40STL - HKG
2 stops26h 20mUnited Airlines
Mi 22-1011:15HKG - STL
1 stop18h 39mUnited Airlines
Deal found 14-9HK$7,920
Mi 15-1005:15STL - HKG
2 stops24h 40mMultiple Airlines
Mi 22-1009:30HKG - STL
2 stops20h 02mMultiple Airlines
Deal found 14-9HK$7,951
Mo 20-1017:11STL - HKG
2 stops22h 49mUnited Airlines
Mo 3-1111:25HKG - STL
2 stops24h 57mUnited Airlines
Deal found 17-9HK$7,959
Mi 4-306:30STL - HKG
2 stops44h 20mDelta
So 8-300:55HKG - STL
2 stops35h 45mDelta
Deal found 17-9HK$7,967
So 9-1117:29STL - HKG
1 stop35h 51mUnited Airlines
Di 18-1110:35HKG - STL
1 stop19h 52mUnited Airlines
Deal found 16-9HK$7,990
Do 26-206:10STL - CAN
2 stops30h 10mCathay Pacific
Mo 2-305:00CAN - STL
2 stops26h 56mCathay Pacific
Deal found 14-9HK$9,173

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 17 September 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

Mi 4-3

07:00-11:50

2 stops38h 50m

Hong Kong Intl

Mo 9-3

13:15-23:56

2 stops23h 41m

HK$7,134

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Fr 13-2

16:05-12:55

2 stops54h 50m

Hong Kong Intl

So 22-2

16:25-15:29

2 stops61h 04m

HK$7,702

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mi 11-2

08:05-05:45

2 stops31h 40m

Hong Kong Intl

Di 10-3

00:05-12:20

2 stops25h 15m

HK$7,866

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mi 11-2

17:00-06:45

1 stop23h 45m

Hong Kong Intl

Mi 11-3

22:30-15:21

2 stops29h 51m

HK$7,920

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mi 15-10

13:40-05:00

2 stops26h 20m

Hong Kong Intl

Mi 22-10

11:15-16:54

1 stop18h 39m

HK$7,920

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mi 15-10

05:15-18:55

2 stops24h 40m

Hong Kong Intl

Mi 22-10

09:30-16:32

2 stops20h 02m

HK$7,951

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mo 20-10

17:11-05:00

2 stops22h 49m

Hong Kong Intl

Mo 3-11

11:25-22:22

2 stops24h 57m

HK$7,959

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

So 9-11

17:29-19:20

1 stop35h 51m

Hong Kong Intl

Di 18-11

10:35-16:27

1 stop19h 52m

HK$7,990

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mi 11-2

16:05-18:40

2 stops36h 35m

Hong Kong Intl

Mi 11-3

10:00-15:29

3 stops42h 29m

HK$8,084

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Sa 18-10

06:33-20:05

2 stops48h 32m

Hong Kong Intl

Do 23-10

14:00-00:03

2 stops47h 03m

HK$8,239

Flights are sorted by cheapest return flights first.

Deals found on 15-9

Showing 1-10 of 18 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$5,952). Flying from St. Louis in July will prove the most costly (average of HK$9,982). 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 17 September 2025.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Denver, Athens, Cancún. 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$1,276 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$2,196 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$18,540

  • 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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