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Cheap flights from St. Louis to Ho Chi Minh City from $436

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Ho Chi Minh City departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Ho Chi Minh City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:40 pm - 10:55 pmSTL-SGN
39h 15m3 stops
United Airlines Logo
7:30 am - 4:55 pmSGN-STL
22h 25m2 stops
$893United Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
United Airlines Logo
5:00 pm - 10:55 pmSTL-SGN
40h 55m2 stops
United Airlines Logo
7:30 am - 4:44 pmSGN-STL
22h 14m2 stops
$897United Airlines
Find Deal
Tue, Jan 27 - Wed, Feb 18
United Airlines Logo
4:35 pm - 10:55 pmSTL-SGN
41h 20m3 stops
United Airlines Logo
6:00 am - 10:59 pmSGN-STL
29h 59m3 stops
$901United Airlines
Find Deal
Tue, Jan 27 - Wed, Feb 18
China Airlines Logo
2:50 pm - 4:50 pmSTL-SGN
37h 00m2 stops
China Airlines Logo
10:50 am - 11:55 pmSGN-STL
49h 05m2 stops
$903China Airlines
Find Deal
Tue, Jan 20 - Mon, Apr 27
United Airlines Logo
6:00 pm - 10:55 pmSTL-SGN
39h 55m3 stops
United Airlines Logo
7:30 am - 10:00 pmSGN-STL
27h 30m2 stops
$906United Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
4:49 pm - 10:55 pmSTL-SGN
65h 06m3 stops
United Airlines Logo
7:30 am - 10:00 pmSGN-STL
27h 30m2 stops
$907United Airlines
Find Deal
Sat, Jan 10 - Thu, Jan 22
United Airlines Logo
5:00 pm - 10:55 pmSTL-SGN
40h 55m2 stops
United Airlines Logo
7:00 am - 10:19 pmSGN-STL
27h 19m3 stops
$910United Airlines
Find Deal
Tue, Jan 27 - Tue, Mar 31
United Airlines Logo
4:15 pm - 10:55 pmSTL-SGN
65h 40m3 stops
United Airlines Logo
6:00 am - 8:26 pmSGN-STL
27h 26m3 stops
$915United Airlines
Find Deal
Mon, Feb 2 - Thu, Feb 19
China Airlines Logo
2:50 pm - 10:00 amSTL-SGN
30h 10m2 stops
China Airlines Logo
5:30 pm - 2:11 pmSGN-STL
32h 41m2 stops
$922China Airlines
Find Deal
Mon, Jan 26 - Tue, Mar 31
United Airlines Logo
6:45 am - 12:15 amSTL-SGN
28h 30m2 stops
United Airlines Logo
7:30 am - 10:00 pmSGN-STL
27h 30m2 stops
$926United Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29

United Airlines flights from St. Louis to Ho Chi Minh City

Our best United Airlines deals on St. Louis to Ho Chi Minh City flight tickets
United Airlines
Jan 25
STL6:40 pmLambert-St Louis
39h 15m
3 stops
SGN10:55 pmHo Chi Minh City
Jan 29
SGN7:30 amHo Chi Minh City
22h 25m
2 stops
STL4:55 pmLambert-St Louis
$893
Find similar
United Airlines
Jan 27
STL5:00 pmLambert-St Louis
40h 55m
2 stops
SGN10:55 pmHo Chi Minh City
Feb 18
SGN7:30 amHo Chi Minh City
22h 14m
2 stops
STL4:44 pmLambert-St Louis
$897
Find similar
United Airlines
Jan 27
STL4:35 pmLambert-St Louis
41h 20m
3 stops
SGN10:55 pmHo Chi Minh City
Mar 31
SGN7:00 amHo Chi Minh City
27h 19m
3 stops
STL10:19 pmLambert-St Louis
$901
Find similar

China Airlines flights from St. Louis to Ho Chi Minh City

Our best China Airlines deals on St. Louis to Ho Chi Minh City flight tickets
China Airlines
Jan 20
STL2:50 pmLambert-St Louis
37h 00m
2 stops
SGN4:50 pmHo Chi Minh City
Apr 27
SGN10:50 amHo Chi Minh City
49h 05m
2 stops
STL11:55 pmLambert-St Louis
$903
Find similar
China Airlines
Jan 26
STL2:50 pmLambert-St Louis
30h 10m
2 stops
SGN10:00 amHo Chi Minh City
Mar 31
SGN5:30 pmHo Chi Minh City
32h 41m
2 stops
STL2:11 pmLambert-St Louis
$922
Find similar
China Airlines
Feb 1
STL2:50 pmLambert-St Louis
37h 00m
2 stops
SGN4:50 pmHo Chi Minh City
Mar 8
SGN11:00 amHo Chi Minh City
38h 51m
2 stops
STL12:51 pmLambert-St Louis
$941
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momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Ho Chi Minh City 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 December 1, 2025.
Use the filters below to find and compare flights from St. Louis to Ho Chi Minh City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sun 1/25

6:40 pm-10:55 pm

3 stops39h 15m

Ho Chi Minh City

Thu 1/29

7:30 am-4:55 pm

2 stops22h 25m

$893

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 1/27

5:00 pm-10:55 pm

2 stops40h 55m

Ho Chi Minh City

Wed 2/18

7:30 am-4:44 pm

2 stops22h 14m

$897

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 1/27

4:35 pm-10:55 pm

3 stops41h 20m

Ho Chi Minh City

Wed 2/18

6:00 am-10:59 pm

3 stops29h 59m

$901

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 1/20

2:50 pm-4:50 pm

2 stops37h 00m

Ho Chi Minh City

Mon 4/27

10:50 am-11:55 pm

2 stops49h 05m

$903

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Wed 1/14

6:00 pm-10:55 pm

3 stops39h 55m

Ho Chi Minh City

Wed 1/21

7:30 am-10:00 pm

2 stops27h 30m

$906

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sat 1/10

4:49 pm-10:55 pm

3 stops65h 06m

Ho Chi Minh City

Thu 1/22

7:30 am-10:00 pm

2 stops27h 30m

$907

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 1/27

5:00 pm-10:55 pm

2 stops40h 55m

Ho Chi Minh City

Tue 3/31

7:00 am-10:19 pm

3 stops27h 19m

$910

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 2/2

4:15 pm-10:55 pm

3 stops65h 40m

Ho Chi Minh City

Thu 2/19

6:00 am-8:26 pm

3 stops27h 26m

$915

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 1/26

2:50 pm-10:00 am

2 stops30h 10m

Ho Chi Minh City

Tue 3/31

5:30 pm-2:11 pm

2 stops32h 41m

$922

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sun 1/25

6:45 am-12:15 am

2 stops28h 30m

Ho Chi Minh City

Thu 1/29

7:30 am-10:00 pm

2 stops27h 30m

$926

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 Ho Chi Minh City from

How to get the cheapest flight ticket from St. Louis to Ho Chi Minh City

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 typical price of a round-trip flight between St. Louis and Ho Chi Minh City?

What is the cheapest month to fly to Ho Chi Minh City?

In general, November is the cheapest month to fly from St. Louis to Ho Chi Minh City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $986. If you’re not able to fly to Ho Chi Minh City in November, then September is your next best option. Flight prices from St. Louis to Ho Chi Minh City during September average around $1,022.

What is the cheapest day to depart on your flight to Ho Chi Minh City?

The cheapest day to depart on your flight to Ho Chi Minh City is on a Tuesday when prices can be found for as low as $1,258. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Ho Chi Minh City on Friday is $1,572.

What is the cheapest time of day to depart on your flight to Ho Chi Minh City?

Our data shows that the cheapest St. Louis to Ho Chi Minh City flights are usually those with departure times in the afternoon. Our users have found flights to Ho Chi Minh City in the afternoon for as low as $1,256. In contrast, the most expensive time of day to depart to Ho Chi Minh City is at noon when prices are around $1,499.

How far in advance should I book a flight to Ho Chi Minh City?

You are more likely to see cheaper flights to Ho Chi Minh City from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Ho Chi Minh City for around $1,246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ho Chi Minh City from St. Louis for as low as $1,072 on momondo.

How have St. Louis to Ho Chi Minh City flight prices changed over time?

As of December 2025, prices for St. Louis to Ho Chi Minh City flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Ho Chi Minh City

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Ho Chi Minh City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Ho Chi Minh City (STL to SGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Ho Chi Minh City

Fastest flight time

26h 15m

Direct flights

None
The fastest flight from St. Louis to Ho Chi Minh City takes 26h 15m
There are no direct flights from St. Louis to Ho Chi Minh City. There are no popular flight routes from St. Louis to Ho Chi Minh City.
Search flight deals

  • How far is Lambert-St Louis to Ho Chi Minh City by plane?

    A flight from Lambert-St Louis to Ho Chi Minh City will travel around 8848.5 mi. 25h 16m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Ho Chi Minh City Airport?

    Prices for flights from Lambert-St Louis Airport to Ho Chi Minh City Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Ho Chi Minh City Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Ho Chi Minh City Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Ho Chi Minh City Airport.

  • What documentation or ID do you need to fly to Ho Chi Minh City Airport?

    The travel and health documents you'll need for your trip to Ho Chi Minh City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ho Chi Minh City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Ho Chi Minh City?

Best airlines flying from St. Louis to Ho Chi Minh City

Compare and see reviews for airlines that fly from St. Louis to Ho Chi Minh City with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $761Free CancellationRating
8.4
1,177 reviews
Search Korean Air flights
Cathay PacificPriceFrom $915Free CancellationRating
7.6
1,080 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $928Free CancellationRating
8.3
784 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $946Free CancellationRating
8.3
1,633 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $963Free CancellationRating
7.4
9,059 reviews
Search United Airlines flights
American AirlinesPriceFrom $966Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
ANAPriceFrom $986Free CancellationRating
8.4
1,015 reviews
Search ANA flights
DeltaPriceFrom $990Free CancellationRating
7.9
8,010 reviews
Search Delta flights
EVA AirPriceFrom $1,008Free CancellationRating
8.4
1,288 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,437Free CancellationRating
7.1
10,490 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Ho Chi Minh City?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Ho Chi Minh City. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Ho Chi Minh City with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ho Chi Minh City from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Ho Chi Minh City?

Once all potential St. Louis to Ho Chi Minh City 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 St. Louis to Ho Chi Minh City right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Ho Chi Minh City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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