Cheap flights from Vietnam to St. Louis from $532

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Vietnam to St. Louis departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Vietnam to St. Louis

Recent round-trip flight deals from Vietnam to St. Louis

Enter your travel dates to find the best prices.
American Airlines Logo
11:30 pm - 4:41 pm
SGN
-
STL
29h 11m
2 stops
American Airlines Logo
12:27 pm - 5:25 am
STL
-
SGN
28h 58m
2 stops
$831American Airlines
Wed, May 6 - Wed, May 13
Japan Airlines Logo
8:20 am - 9:09 am
SGN
-
STL
36h 49m
2 stops
Japan Airlines Logo
9:08 am - 5:25 am
STL
-
SGN
32h 17m
2 stops
$1,163Japan Airlines
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
1:50 am - 7:10 pm
SGN
-
STL
29h 20m
2 stops
Multiple Airlines Logo
7:56 pm - 11:40 am
STL
-
SGN
27h 44m
2 stops
$1,227Multiple Airlines
Wed, Jul 15 - Tue, Jul 21
Multiple Airlines Logo
3:45 pm - 2:50 pm
SGN
-
STL
35h 05m
3 stops
Multiple Airlines Logo
7:41 pm - 11:40 am
STL
-
SGN
27h 59m
2 stops
$1,231Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
1:50 am - 6:05 pm
SGN
-
STL
28h 15m
2 stops
Multiple Airlines Logo
7:56 pm - 11:40 am
STL
-
SGN
27h 44m
2 stops
$1,264Multiple Airlines
Wed, May 27 - Wed, Jun 10
United Airlines Logo
7:00 am - 5:47 am
SGN
-
STL
34h 47m
2 stops
United Airlines Logo
5:59 pm - 10:05 pm
STL
-
SGN
40h 06m
3 stops
$1,280United Airlines
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
1:50 am - 6:45 pm
SGN
-
STL
52h 55m
2 stops
Multiple Airlines Logo
7:41 pm - 11:40 am
STL
-
SGN
27h 59m
2 stops
$1,337Multiple Airlines
Tue, May 26 - Tue, Jun 9
Korean Air Logo
7:30 am - 11:21 pm
SGN
-
STL
27h 51m
2 stops
Korean Air Logo
7:08 am - 12:35 pm
STL
-
SGN
41h 27m
2 stops
$1,345Korean Air
Tue, May 26 - Thu, Jun 11
United Airlines Logo
7:00 am - 9:30 am
SGN
-
STL
38h 30m
3 stops
United Airlines Logo
5:59 pm - 10:05 pm
STL
-
SGN
40h 06m
3 stops
$1,347United Airlines
Wed, May 6 - Wed, May 13
Korean Air Logo
7:30 am - 11:21 pm
SGN
-
STL
27h 51m
2 stops
Korean Air Logo
5:15 pm - 12:35 pm
STL
-
SGN
31h 20m
2 stops
$1,377Korean Air
Fri, May 8 - Fri, May 15

Japan Airlines flights from Vietnam to St. Louis

Our best Japan Airlines deals on Vietnam to St. Louis flight tickets
Japan Airlines
Jun 2
SGN8:20 amHo Chi Minh City
36h 49m
2 stops
STL9:09 amLambert-St Louis
Jun 9
STL9:08 amLambert-St Louis
32h 17m
2 stops
SGN5:25 amHo Chi Minh City
$1,163
Japan Airlines
May 28
SGN8:20 amHo Chi Minh City
25h 22m
2 stops
STL9:42 pmLambert-St Louis
Jun 11
STL7:00 amLambert-St Louis
27h 00m
2 stops
SGN10:00 pmHo Chi Minh City
$1,586
Japan Airlines
May 25
SGN8:20 amHo Chi Minh City
22h 25m
2 stops
STL6:45 pmLambert-St Louis
Jun 11
STL9:08 amLambert-St Louis
32h 17m
2 stops
SGN5:25 amHo Chi Minh City
$1,739

United Airlines flights from Vietnam to St. Louis

Our best United Airlines deals on Vietnam to St. Louis flight tickets
United Airlines
May 6
SGN7:00 amHo Chi Minh City
34h 47m
2 stops
STL5:47 amLambert-St Louis
May 13
STL5:59 pmLambert-St Louis
40h 06m
3 stops
SGN10:05 pmHo Chi Minh City
$1,280
United Airlines
May 6
SGN7:00 amHo Chi Minh City
38h 30m
3 stops
STL9:30 amLambert-St Louis
May 13
STL5:59 pmLambert-St Louis
40h 06m
3 stops
SGN10:05 pmHo Chi Minh City
$1,347
United Airlines
May 8
SGN7:00 amHo Chi Minh City
25h 43m
3 stops
STL8:43 pmLambert-St Louis
May 15
STL8:30 pmLambert-St Louis
37h 35m
3 stops
SGN10:05 pmHo Chi Minh City
$1,419

momondo 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, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Vietnam to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 5/6

11:30 pm-4:41 pm

2 stops29h 11m

Lambert-St Louis

Wed 5/13

12:27 pm-5:25 am

2 stops28h 58m

$831

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 6/2

8:20 am-9:09 am

2 stops36h 49m

Lambert-St Louis

Tue 6/9

9:08 am-5:25 am

2 stops32h 17m

$1,163

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 7/15

1:50 am-7:10 pm

2 stops29h 20m

Lambert-St Louis

Tue 7/21

7:56 pm-11:40 am

2 stops27h 44m

$1,227

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 6/2

3:45 pm-2:50 pm

3 stops35h 05m

Lambert-St Louis

Tue 6/9

7:41 pm-11:40 am

2 stops27h 59m

$1,231
Quickest round-trip

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 5/27

1:50 am-6:05 pm

2 stops28h 15m

Lambert-St Louis

Wed 6/10

7:56 pm-11:40 am

2 stops27h 44m

$1,264

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 5/6

7:00 am-5:47 am

2 stops34h 47m

Lambert-St Louis

Wed 5/13

5:59 pm-10:05 pm

3 stops40h 06m

$1,280

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 5/26

1:50 am-6:45 pm

2 stops52h 55m

Lambert-St Louis

Tue 6/9

7:41 pm-11:40 am

2 stops27h 59m

$1,337

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 5/26

7:30 am-11:21 pm

2 stops27h 51m

Lambert-St Louis

Thu 6/11

7:08 am-12:35 pm

2 stops41h 27m

$1,345

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Wed 5/6

7:00 am-9:30 am

3 stops38h 30m

Lambert-St Louis

Wed 5/13

5:59 pm-10:05 pm

3 stops40h 06m

$1,347

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Fri 5/8

7:30 am-11:21 pm

2 stops27h 51m

Lambert-St Louis

Fri 5/15

5:15 pm-12:35 pm

2 stops31h 20m

$1,377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Vietnam to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Vietnam to Lambert-St Louis?

Qatar Airways is the most popular carrier operating from Vietnam to Lambert-St Louis

Cheap Vietnam to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Vietnam to St. Louis

Fastest flight time

34h 10m

Direct flights

None
The fastest flight from Vietnam to St. Louis takes 34h 10m
There are no direct flights from Vietnam to St. Louis. There are no popular flight routes from Vietnam to St. Louis.
  • When did momondo last update prices for flights from Vietnam to Lambert-St Louis Airport?

    Prices for flights from Vietnam to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Vietnam to Lambert-St Louis Airport?

  • How old do you have to be to fly from Vietnam to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Vietnam to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Vietnam to St. Louis

Compare and see reviews for airlines that fly from Vietnam to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom $899Free CancellationRating
8.3
1,750 reviews
Search Japan Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Edwardsville
Eureka
Litchfield
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Vietnam to St. Louis?

It is quick and easy to find Vietnam to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Vietnam to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Vietnam on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Vietnam to St. Louis?

Once all potential Vietnam to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Vietnam to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Vietnam. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 4/25
Sat 5/2

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