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$541+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — STL
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Vietnam to St. Louis

Cheapest flights from Vietnam to St. Louis
Explore the most affordable flight options available from Vietnam to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Korean Air deal was found by Cheapflights users on 2/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 am
SGN
-
STL
2 stops27h 26m
Korean Air
Sun 9/276:45 am
STL
-
SGN
2 stops28h 30m
Korean Air
Deal found 2/8$931
This United Airlines deal was found by Cheapflights users on 2/8. 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 9/2311:15 pm
SGN
-
STL
2 stops27h 03m
United Airlines
Sun 9/275:20 am
STL
-
SGN
3 stops28h 45m
United Airlines
Deal found 2/8$1,195
This KAYAK deal was found by Cheapflights users on 2/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:45 pm
SGN
-
STL
2 stops37h 14m
Japan Airlines
Tue 3/37:00 am
STL
-
SGN
2 stops33h 50m
Japan Airlines
Deal found 2/12$1,266
This KAYAK deal was found by Cheapflights users on 2/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:50 am
SGN
-
STL
2 stops28h 32m
Japan Airlines
Mon 3/22:19 pm
STL
-
SGN
2 stops26h 31m
Japan Airlines
Deal found 2/12$1,288
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 2/216:00 am
SGN
-
STL
2 stops23h 27m
United Airlines
Thu 3/52:50 pm
STL
-
SGN
3 stops43h 05m
United Airlines
Deal found 2/12$1,359
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 2/216:00 am
SGN
-
STL
2 stops23h 27m
United Airlines
Sun 3/16:00 pm
STL
-
SGN
2 stops41h 15m
United Airlines
Deal found 2/12$1,363
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 2/216:00 am
SGN
-
STL
2 stops23h 27m
United Airlines
Fri 3/66:51 am
STL
-
SGN
2 stops27h 04m
United Airlines
Deal found 2/12$1,367
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 2/216:00 am
SGN
-
STL
3 stops28h 05m
United Airlines
Mon 3/24:49 pm
STL
-
SGN
3 stops41h 06m
United Airlines
Deal found 2/12$1,426
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 2/216:00 am
SGN
-
STL
3 stops27h 26m
United Airlines
Sat 2/285:29 pm
STL
-
SGN
2 stops40h 26m
United Airlines
Deal found 2/12$1,434
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:55 am
SGN
-
STL
2 stops58h 56m
Multiple Airlines
Wed 3/43:50 pm
STL
-
SGN
1 stop25h 45m
Multiple Airlines
Deal found 2/12$3,252

Find 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Ho Chi Minh City-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ho Chi Minh City-Lambert-St Louis flights.
Search Deals

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 February 12, 2026.
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 3/18

8:00 am-9:06 pm

2 stops25h 06m

$541

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Sun 4/26

8:20 am-11:45 am

2 stops39h 25m

$545

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Mon 3/23

5:50 pm-9:49 am

3 stops51h 59m

$561

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Fri 3/20

8:00 am-11:58 pm

2 stops27h 58m

$593

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 2/18

11:45 pm-3:28 pm

2 stops28h 43m

$594

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Thu 3/19

8:00 am-11:58 pm

2 stops27h 58m

$594

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 3/17

11:00 am-10:37 am

3 stops35h 37m

$600

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Thu 2/19

7:50 am-10:58 pm

2 stops28h 08m

$615

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 3/18

11:00 am-12:15 pm

3 stops37h 15m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

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 February 12, 2026.
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.
Japan Airlines
8.3
Very good
1,704 reviews

Crew

8.7

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Overall

8.3

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.
Japan Airlines
8.3
Very good
1,704 reviews
Japan Airlines
8.3
Very good
1,704 reviews

Crew

8.7

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Overall

8.3

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.

  • What are the cheapest airlines to fly from Vietnam to St. Louis one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $426. Users have also found prices from $586 and $592 on Delta and Korean Air, respectively.

  • 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.

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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$906Average$1,222FlexibilityNo cancel feeOn-time79%

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