HK$9,514+ Cheap flights to St. Louis
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4-6. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to St. Louis in 2025
Find the latest flights to St. Louis in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 20 April 2025.
Find flight deals to St. Louis
Cheapest flights to St. LouisExplore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 20 April 2025.
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 20 April 2025.
Cheapflights Fare Finder
Locate flights to St. Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 20 April 2025.
Use the filters below to find and compare flights to St. Louis that are best for you.
Fly from
Route
Departure
Return
Price
Hong KongSt. Louis
HKG - STL
HKGSTL
Hong Kong Intl
Wed 4-6
10:45-00:04
2 stops26h 19m
Lambert-St Louis
Wed 11-6
18:18-19:30
2 stops36h 12m
Hong KongSt. Louis
HKG - STL
HKGSTL
Hong Kong Intl
Tue 3-6
01:25-18:33
2 stops30h 08m
Lambert-St Louis
Wed 11-6
13:21-21:45
2 stops43h 24m
Hong KongSt. Louis
HKG - STL
HKGSTL
Hong Kong Intl
Thu 8-5
18:40-14:08
3 stops56h 28m
Hong KongSt. Louis
HKG - STL
HKGSTL
Hong Kong Intl
Thu 8-5
22:30-17:07
1 stop31h 37m
Best time to book a flight to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to St. Louis
How long is the flight to St. Louis?
On average, a flight from Hong Kong to St. Louis takes 31 hours 0 minutes. Flights to St. Louis from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.
What are the most popular airlines that fly to St. Louis?
The most popular airline flying from Hong Kong to St. Louis is United Airlines.
What are the cheapest airlines that fly to St. Louis?
The cheapest airline flying from Hong Kong to St. Louis is United Airlines.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 20 April 2025.
Boarding
Overall
Entertainment
Crew
Comfort
Food
Reviews
preeti,Jan 2025
DOH - PHL
Boarding
Overall
Entertainment
Crew
Comfort
Food
Reviews
preeti,Jan 2025
DOH - PHL
Boarding
Overall
Entertainment
Crew
Comfort
Food
Reviews
preeti,Jan 2025
DOH - PHL
FAQs about flying to St. Louis
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Users can book flights with no change fees policies with our dedicated filters. Book flights to St. Louis flexibly with Cheapflights today.
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