St. Louis

$598+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — STL
Oct 25 — Nov 11
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Vietnam to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,194
(United Airlines)

One-way from

$598
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$906
Provider with most accurate pricing for Ho Chi Minh City-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Ho Chi Minh City-Lambert-St Louis flights.
From Vietnam to Lambert-St Louis
One-way flight from Vietnam to Lambert-St Louis
Highest demand for flights based on searches. 4% potential increase in price ($55 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Vietnam to St. Louis

Best flights from Vietnam to St. Louis
Discover carefully curated flight deals from Vietnam to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2025.

This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:05 pmSGN - STL
2 stops30h 39mUnited Airlines
Sun 3/14:49 pmSTL - SGN
3 stops41h 06mUnited Airlines
Deal found 9/23$1,194
This FlightHub deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:10 amSGN - STL
2 stops36h 17mAsiana Airlines
Sat 7/46:30 pmSTL - SGN
2 stops28h 30mAsiana Airlines
Deal found 9/25$1,200
This Gurufare deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:45 pmSGN - STL
2 stops44h 10mMultiple Airlines
Mon 7/67:32 pmSTL - SGN
2 stops28h 08mMultiple Airlines
Deal found 9/25$1,212
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 amSGN - STL
3 stops27h 04mUnited Airlines
Sat 7/45:18 pmSTL - SGN
3 stops40h 32mUnited Airlines
Deal found 9/25$1,294
This Asiana Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:10 amSGN - STL
2 stops36h 17mAsiana Airlines
Thu 7/26:30 pmSTL - SGN
2 stops28h 30mAsiana Airlines
Deal found 9/25$1,355
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:00 amSGN - STL
2 stops30h 27mUnited Airlines
Wed 7/87:05 amSTL - SGN
2 stops26h 45mUnited Airlines
Deal found 9/25$1,311
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 amSGN - STL
3 stops42h 20mUnited Airlines
Wed 7/87:05 amSTL - SGN
2 stops26h 45mUnited Airlines
Deal found 9/25$1,313
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:00 amSGN - STL
3 stops27h 04mUnited Airlines
Wed 7/85:00 amSTL - SGN
3 stops28h 50mUnited Airlines
Deal found 9/25$1,369
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:05 pmSGN - STL
2 stops37h 22mUnited Airlines
Tue 7/75:20 amSTL - SGN
3 stops28h 30mUnited Airlines
Deal found 9/25$1,369

Cheapflights Fare Finder

 
Customize your flight search to find flights from Vietnam to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 25, 2025.
Use the filters below to find and compare flights from Vietnam to St. Louis that are best for you.

Fly from

Vietnam

Fly to

St. Louis

Route

Depart

Return

Price

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 2/25

11:05 pm-4:44 pm

2 stops30h 39m

Lambert-St Louis

Sun 3/1

4:49 pm-10:55 pm

3 stops41h 06m

$1,194

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Mon 3/23

12:10 am-12:27 am

2 stops36h 17m

Lambert-St Louis

Sat 7/4

6:30 pm-11:00 am

2 stops28h 30m

$1,200

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 3/24

3:45 pm-11:55 pm

2 stops44h 10m

Lambert-St Louis

Mon 7/6

7:32 pm-11:40 am

2 stops28h 08m

$1,212

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Mon 3/23

6:00 am-9:04 pm

3 stops27h 04m

Lambert-St Louis

Sat 7/4

5:18 pm-9:50 pm

3 stops40h 32m

$1,294

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Sun 3/22

6:00 am-12:27 am

2 stops30h 27m

Lambert-St Louis

Wed 7/8

7:05 am-9:50 pm

2 stops26h 45m

$1,311

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Mon 3/23

6:00 am-12:20 pm

3 stops42h 20m

Lambert-St Louis

Wed 7/8

7:05 am-9:50 pm

2 stops26h 45m

$1,313

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Sun 3/22

12:10 am-12:27 am

2 stops36h 17m

Lambert-St Louis

Thu 7/2

6:30 pm-11:00 am

2 stops28h 30m

$1,355

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 3/24

6:00 am-9:04 pm

3 stops27h 04m

Lambert-St Louis

Wed 7/8

5:00 am-9:50 pm

3 stops28h 50m

$1,369

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 3/24

11:05 pm-12:27 am

2 stops37h 22m

Lambert-St Louis

Tue 7/7

5:20 am-9:50 pm

3 stops28h 30m

$1,369

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Sat 12/13

5:50 pm-5:31 pm

3 stops36h 41m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 16 results
1
2

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
No data available for this route at this time. Please check back soon.

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 September 25, 2025.
Get a feel of what it's like to fly with Japan Airlines from Vietnam to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.

Related info for your journey

Find useful and relevant information for your journey from Vietnam to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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.

  • How long is the flight from Vietnam to St. Louis?

    There are many flights that can get you from Vietnam to St. Louis in 30h 39m. Fly via United Airlines or Asiana Airlines to get the fastest option. There are 8834 mi between Vietnam and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Vietnam to St. Louis

Discover the top airline that operate flights from Vietnam to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$906Average$1,222FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.