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HK$5,327+ Cheap flights to St. Louis

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9-3. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
8 Mar — 15 Mar1
1 adult

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 3 March 2025.

Return from

HK$11,267

One-way from

HK$5,327
United Airlines
  • United Airlines
  • 17-4-22-4
  • 2 total stops
  • 40h 43m total
  • Hong Kong to St. Louis
Search Deals
9-3
  • 9-3
  • 3 total stops
  • 35h 16m total
  • Hong Kong to St. Louis
Search Deals

Find flight deals to St. Louis

Cheapest flights to St. Louis
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 3 March 2025.

Thu 17-411:15HKG - STL
2 stops22h 41mUnited Airlines
Wed 23-413:43STL - HKG
2 stops26h 17mUnited Airlines
Deal found 2-3HK$11,267
Wed 16-400:05HKG - STL
2 stops28h 42mMultiple Airlines
Tue 22-417:35STL - HKG
2 stops33h 10mMultiple Airlines
Deal found 2-3HK$15,280
Thu 17-418:15HKG - STL
2 stops38h 49mEmirates
Wed 23-415:40STL - HKG
3 stops37h 25mEmirates
Deal found 1-3HK$17,224

Find flights to St. Louis within your budget

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 3 March 2025.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 17-4

11:15-20:56

2 stops22h 41m

Lambert-St Louis

Wed 23-4

13:43-05:00

2 stops26h 17m

HK$11,267

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 16-4

00:05-15:47

2 stops28h 42m

Lambert-St Louis

Tue 22-4

17:35-15:45

2 stops33h 10m

HK$15,280

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Thu 17-4

18:15-20:04

2 stops38h 49m

Lambert-St Louis

Wed 23-4

15:40-18:05

3 stops37h 25m

HK$17,224

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 9-3

11:20-08:36

3 stops35h 16m

HK$5,327

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 2-4

09:15-20:04

2 stops23h 49m

HK$6,151

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Sun 9-3

12:25-22:09

1 stop23h 44m

HK$7,799

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Tue 1-4

00:05-22:09

2 stops35h 04m

HK$9,005

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 23-7

01:25-20:30

2 stops32h 05m

HK$9,875

Hong KongSt. Louis

HKG - STL

HKGSTL

Hong Kong Intl

Wed 23-7

00:45-00:38

2 stops36h 53m

HK$10,326

Flights are sorted by cheapest return flights first.

Deals found on 2-3

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.
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 to St. Louis

Get recent, data-driven insights about flights to St. Louis including ideal travel times, pricing trends, and more.

How long is the flight to St. Louis?

On average, a flight from Hong Kong to St. Louis takes 42 hours 21 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.

United Airlines

United Airlines

From HK$1,357

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 3 March 2025.
Emirates
8.1
Very Good
3,237 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.3

Food

7.8

Overall

8.1

Entertainment

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very Good
3,237 reviews
Emirates
8.1
Very Good
3,237 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.3

Food

7.8

Overall

8.1

Entertainment

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Delta
8.0
Very Good
8,086 reviews
Emirates
8.1
Very Good
3,237 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.3

Food

7.8

Overall

8.1

Entertainment

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Cathay Pacific
7.5
Good
825 reviews
Emirates
8.1
Very Good
3,237 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.3

Food

7.8

Overall

8.1

Entertainment

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Qatar Airways
7.4
Good
3,568 reviews
Emirates
8.1
Very Good
3,237 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.3

Food

7.8

Overall

8.1

Entertainment

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

United Airlines
7.4
Good
8,691 reviews
Emirates
8.1
Very Good
3,237 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.3

Food

7.8

Overall

8.1

Entertainment

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

  • What airport do you fly into for flights to St. Louis?

    Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights to St. Louis.

  • Can I find cheaper flights to St. Louis if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Louis on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Louis?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to St. Louis.

  • What is the cheapest airport to fly to in St. Louis?

    Lambert-St Louis is currently the cheapest airport to fly to in St. Louis. One-way flights to Lambert-St Louis typically cost HK$9,099, while return flights cost around HK$2,309.

  • Does Lambert-St Louis have rental cars?

    Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

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