HK$1,228+ 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 18-4. 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
29 Mar — 5 Apr1
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 27 February 2026.

Good round-trip deal

HK$1,283 or less

Good one-way deal

HK$3,027 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 27 February 2026.

Thu 9-416:05
STL
-
HKG
2 stops48h 10m
Air Canada
Thu 16-409:45
HKG
-
STL
2 stops42h 39m
Air Canada
Deal found 23-2HK$6,281
Tue 28-410:00
STL
-
HKG
2 stops30h 15m
Air Canada
Tue 5-509:45
HKG
-
STL
2 stops24h 28m
Air Canada
Deal found 27-2HK$6,680
Wed 25-316:05
STL
-
HKG
2 stops60h 35m
Multiple Airlines
Mon 13-409:45
HKG
-
STL
2 stops42h 40m
Multiple Airlines
Deal found 26-2HK$6,797
Mon 6-407:45
STL
-
HKG
2 stops56h 30m
Air Canada
Thu 7-509:45
HKG
-
STL
2 stops47h 40m
Air Canada
Deal found 26-2HK$7,001
Tue 12-507:05
STL
-
HKG
2 stops57h 10m
Air Canada
Wed 17-609:45
HKG
-
STL
2 stops43h 01m
Air Canada
Deal found 27-2HK$7,040
Tue 12-507:05
STL
-
HKG
2 stops57h 10m
Air Canada
Wed 5-809:45
HKG
-
STL
2 stops65h 17m
Air Canada
Deal found 27-2HK$7,118
Mon 30-316:05
STL
-
HKG
2 stops48h 10m
Air Canada
Sat 18-409:45
HKG
-
STL
2 stops24h 23m
Air Canada
Deal found 24-2HK$7,384
Wed 25-316:05
STL
-
HKG
2 stops60h 35m
Singapore Airlines
Mon 13-409:45
HKG
-
STL
2 stops35h 40m
Singapore Airlines
Deal found 26-2HK$7,415
Sat 4-416:05
STL
-
HKG
2 stops48h 10m
Air Canada
Fri 24-409:45
HKG
-
STL
2 stops38h 00m
Air Canada
Deal found 24-2HK$7,431
Mon 6-409:10
STL
-
HKG
2 stops55h 05m
Air Canada
Thu 16-409:45
HKG
-
STL
2 stops26h 11m
Air Canada
Deal found 24-2HK$7,454
Mon 6-409:10
STL
-
HKG
2 stops55h 05m
Air Canada
Tue 14-409:45
HKG
-
STL
2 stops35h 40m
Air Canada
Deal found 24-2HK$7,501
Sat 4-410:33
STL
-
CAN
2 stops45h 32m
Cathay Pacific
Tue 14-422:20
CAN
-
STL
2 stops37h 39m
Cathay Pacific
Deal found 24-2HK$8,651

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 27 February 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Route

Departure

Return

Price

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 12-8

19:06-05:00

1 stop20h 54m

Hong Kong Intl

Wed 26-8

12:40-23:43

2 stops24h 03m

HK$7,783

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 12-5

08:30-05:00

1 stop31h 30m

Hong Kong Intl

Wed 17-6

11:45-18:17

1 stop19h 32m

HK$9,261

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 19-5

08:46-05:40

2 stops31h 54m

Hong Kong Intl

Mon 13-7

11:45-18:17

1 stop19h 32m

HK$9,293

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 18-5

17:59-18:30

2 stops35h 31m

Hong Kong Intl

Mon 13-7

11:45-18:17

1 stop19h 32m

HK$9,293

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 28-4

16:46-10:05

2 stops28h 19m

Hong Kong Intl

Tue 5-5

19:40-14:50

3 stops32h 10m

HK$9,371

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

Tue 31-3

18:08-21:05

2 stops37h 57m

Guangzhou Baiyun

Wed 15-4

22:20-22:59

2 stops37h 39m

HK$9,606

St. LouisGuangzhou

STL - CAN

STLCAN

Lambert-St Louis

Wed 1-4

12:05-02:20

2 stops25h 15m

Guangzhou Baiyun

Thu 9-4

10:10-22:59

2 stops25h 49m

HK$9,606

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Mon 6-4

06:30-18:55

2 stops23h 25m

Hong Kong Intl

Thu 7-5

11:45-18:22

1 stop19h 37m

HK$9,739

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Wed 13-5

08:30-18:55

1 stop21h 25m

Hong Kong Intl

Wed 22-7

22:30-14:16

2 stops28h 46m

HK$9,879

St. LouisHong Kong

STL - HKG

STLHKG

Lambert-St Louis

Tue 12-5

08:30-18:55

1 stop21h 25m

Hong Kong Intl

Mon 10-8

21:45-22:06

2 stops37h 21m

HK$9,879

Flights are sorted by cheapest return flights first.

Deals found on 25-2

Showing 1-10 of 29 resultsSorted by cheapest first
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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$6,070). Flying from St. Louis in December will prove the most costly (average of HK$10,888). 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 (753 flights per day), Dallas (223 flights per day) and Atlanta (197 flights per day).

Los Angeles
Los Angeles
From HK$3,027
Denver Intl
Denver Intl
From HK$1,283
Houston Hobby
Houston Hobby
From HK$9,351

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$1,283. Explore other affordable destinations below.

Denver Intl
Denver Intl
From HK$1,283
Los Angeles
Los Angeles
From HK$3,027
Houston Hobby
Houston Hobby
From HK$9,351

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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 27 February 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, 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$1,283 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$4,589 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$18,639

  • 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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