HK$1,344+ 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 21-2. 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
4 mar. — 11 mar.1
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 febrero 2026.

Good round-trip deal

HK$1,281 or less

Good one-way deal

HK$3,023 or less
Price to beat on a round-trip flight from Lambert-St Louis.
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Price to beat on a one-way flight from Lambert-St Louis.
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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 febrero 2026.

mar. 12-513:00
STL
-
HKG
2 stops27h 10m
Air Canada
mié. 17-609:45
HKG
-
STL
2 stops23h 20m
Air Canada
Deal found 1-2HK$5,976
lun. 6-416:05
STL
-
HKG
2 stops48h 10m
Air Canada
jue. 7-509:45
HKG
-
STL
2 stops24h 23m
Air Canada
Deal found 1-2HK$6,508
mar. 12-513:00
STL
-
HKG
2 stops51h 10m
Air Canada
mié. 5-809:45
HKG
-
STL
2 stops45h 42m
Air Canada
Deal found 2-2HK$6,640
lun. 27-407:45
STL
-
HKG
2 stops32h 30m
Air Canada
lun. 11-509:45
HKG
-
STL
2 stops47h 20m
Air Canada
Deal found 31-1HK$6,984
mar. 12-507:45
STL
-
HKG
2 stops32h 25m
Air Canada
vie. 31-709:45
HKG
-
STL
2 stops65h 17m
Air Canada
Deal found 1-2HK$7,484
mié. 13-513:00
STL
-
HKG
2 stops51h 10m
Air Canada
mié. 22-709:45
HKG
-
STL
2 stops45h 42m
Air Canada
Deal found 1-2HK$7,625
mié. 13-513:00
STL
-
HKG
2 stops51h 10m
Air Canada
lun. 13-709:45
HKG
-
STL
2 stops65h 17m
Air Canada
Deal found 1-2HK$7,664
mar. 12-507:45
STL
-
HKG
2 stops32h 25m
Air Canada
mar. 30-609:45
HKG
-
STL
2 stops41h 17m
Air Canada
Deal found 1-2HK$7,680
sáb. 14-214:47
STL
-
HKG
2 stops48h 58m
Multiple Airlines
dom. 22-208:45
HKG
-
STL
2 stops29h 14m
Multiple Airlines
Deal found 31-1HK$8,125
vie. 22-519:06
STL
-
CAN
2 stops27h 09m
Multiple Airlines
mié. 1-712:25
CAN
-
STL
3 stops40h 21m
Multiple Airlines
Deal found 30-1HK$95,310

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 febrero 2026. 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

mar. 12-5

13:00-05:10

2 stops27h 10m

Hong Kong Intl

mié. 17-6

09:45-20:05

2 stops23h 20m

HK$6,570

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 12-5

13:00-05:10

2 stops51h 10m

Hong Kong Intl

mié. 5-8

09:45-18:27

2 stops45h 42m

HK$6,640

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 12-5

13:00-05:10

2 stops51h 10m

Hong Kong Intl

lun. 10-8

09:45-18:32

2 stops45h 47m

HK$6,640

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

lun. 6-4

07:45-05:15

2 stops32h 30m

Hong Kong Intl

jue. 7-5

09:45-20:05

2 stops47h 20m

HK$7,055

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mié. 13-5

13:00-05:10

2 stops51h 10m

Hong Kong Intl

mié. 22-7

09:45-18:27

2 stops45h 42m

HK$7,625

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 12-5

13:00-05:10

2 stops27h 10m

Hong Kong Intl

vie. 31-7

09:45-14:02

2 stops65h 17m

HK$7,656

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

lun. 6-4

07:00-16:45

1 stop20h 45m

Hong Kong Intl

jue. 7-5

13:25-23:59

1 stop23h 34m

HK$8,148

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

jue. 4-6

07:30-21:40

2 stops25h 10m

Hong Kong Intl

dom. 21-6

09:30-20:05

2 stops23h 35m

HK$8,531

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

mar. 12-5

16:46-16:45

1 stop34h 59m

Hong Kong Intl

mié. 17-6

13:25-18:34

1 stop18h 09m

HK$8,695

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

lun. 8-6

13:00-22:45

2 stops44h 45m

Hong Kong Intl

mar. 7-7

09:30-18:27

2 stops45h 57m

HK$8,711

Flights are sorted by cheapest return flights first.

Deals found on 31-1

Showing 1-10 of 22 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$6,039). Flying from St. Louis in December will prove the most costly (average of HK$10,875). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from St. Louis?

If you’re flying from St. Louis, these routes are more frequently taken by airlines Chicago (693 flights per day), New York (200 flights per day) and Atlanta (193 flights per day).

Los Angeles
Los Angeles
From HK$3,023
Denver Intl
Denver Intl
From HK$1,281
Houston Hobby
Houston Hobby
From HK$9,339

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Denver Intl, with prices starting at HK$1,281. Explore other affordable destinations below.

Denver Intl
Denver Intl
From HK$1,281
Los Angeles
Los Angeles
From HK$3,023
Houston Hobby
Houston Hobby
From HK$9,339

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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 febrero 2026.

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

    This month, the top selected destinations from St. Louis are Denver, Cancún, Dallas/Fort Worth Airport. 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$1,281 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$4,583 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$18,616

  • 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 December. 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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