What is the cheapest month to book a flight from Vietnam to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Vietnam to St. Louis (average of $311). Flying from Vietnam to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from VN to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to St. Louis as you normally would.

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

Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Vietnam.

Can I find deals for flights from Vietnam to St. Louis that include hotel bookings?

Yes. In addition to deals on Vietnam to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Vietnam to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to St. Louis.

Can I find deals for business class flights from Vietnam to St. Louis?

Yes. Cheapflights offers flight deals from Vietnam to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$843+ Flights from Vietnam to St. Louis

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Cheap flight deals from Vietnam to St. Louis

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Provider with most accurate pricing for Ho Chi Minh City-Lambert-St Louis flight deals.

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One-way flights from Vietnam to St. Louis
Search for one-way flight options from Vietnam to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Sat 6/1410:50 amSGN - STL

2 stops49h 09mMultiple Airlines

Deal found 4/3

$843

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vietnam to St. Louis that are best for you.

Fly from

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Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Sat 6/14

10:50 am-11:59 pm

2 stops49h 09m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Best time to book a flight from Vietnam to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Vietnam with our price prediction graph.

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Vietnam to St. Louis

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Related info for your journey

What airport do you fly into for flights to St. Louis from Vietnam?
Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Vietnam.
Can I find deals for flights from Vietnam to St. Louis that include hotel bookings?
Yes. In addition to deals on Vietnam to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Vietnam to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to St. Louis.
Can I find deals for business class flights from Vietnam to St. Louis?
Yes. Cheapflights offers flight deals from Vietnam to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Vietnam to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Vietnam to St. Louis (average of $311). Flying from Vietnam to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Vietnam to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest$1,061	Average$1,097	FlexibilityNo cancel fee	On-time79%

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$843+ Cheap flights from Vietnam to St. Louis (STL)

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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Vietnam to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Vietnam to St. Louis

Keep the following information in mind while searching for Vietnam to St. Louis flight deals. Data was last updated April 3, 2025.

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