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Cheap flights from St. Louis to Ho Chi Minh City from $439

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 2/23. 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
8:46 am - 10:05 pm
STL
-
SGN
49h 19m
3 stops
United Airlines Logo
7:00 am - 8:59 pm
SGN
-
STL
25h 59m
3 stops
$896United Airlines
Tue, May 12 - Tue, Jun 2
United Airlines Logo
8:46 am - 10:05 pm
STL
-
SGN
49h 19m
3 stops
United Airlines Logo
7:00 am - 5:53 pm
SGN
-
STL
22h 53m
2 stops
$904United Airlines
Tue, May 12 - Tue, Jun 2
Multiple Airlines Logo
3:50 pm - 4:55 pm
STL
-
SGN
37h 05m
2 stops
Multiple Airlines Logo
11:30 am - 2:02 pm
SGN
-
STL
38h 32m
2 stops
$915Multiple Airlines
Tue, Apr 21 - Tue, Jul 21
United Airlines Logo
4:49 pm - 10:55 pm
STL
-
SGN
41h 06m
3 stops
United Airlines Logo
6:00 am - 6:00 pm
SGN
-
STL
48h 00m
3 stops
$962United Airlines
Mon, Mar 2 - Mon, Mar 23
United Airlines Logo
6:00 am - 12:15 am
STL
-
SGN
29h 15m
2 stops
United Airlines Logo
6:00 am - 8:41 pm
SGN
-
STL
50h 41m
3 stops
$965United Airlines
Mon, Mar 2 - Mon, Mar 23
United Airlines Logo
2:40 pm - 10:05 pm
STL
-
SGN
43h 25m
3 stops
United Airlines Logo
7:00 am - 10:56 pm
SGN
-
STL
27h 56m
3 stops
$970United Airlines
Sun, Mar 29 - Wed, Apr 8
Cathay Pacific Logo
9:37 am - 10:35 am
STL
-
SGN
35h 58m
2 stops
Cathay Pacific Logo
7:35 pm - 11:58 pm
SGN
-
STL
40h 23m
2 stops
$983Cathay Pacific
Mon, Mar 2 - Mon, Mar 23
United Airlines Logo
4:44 pm - 10:05 pm
STL
-
SGN
41h 21m
3 stops
United Airlines Logo
7:00 am - 8:42 pm
SGN
-
STL
25h 42m
3 stops
$984United Airlines
Tue, May 12 - Tue, Jun 2
United Airlines Logo
4:44 pm - 10:05 pm
STL
-
SGN
41h 21m
3 stops
United Airlines Logo
7:00 am - 5:53 pm
SGN
-
STL
22h 53m
2 stops
$993United Airlines
Tue, May 12 - Tue, Jun 2
United Airlines Logo
5:15 am - 10:55 pm
STL
-
SGN
28h 40m
3 stops
United Airlines Logo
6:00 am - 10:59 pm
SGN
-
STL
52h 59m
3 stops
$1,002United Airlines
Fri, Mar 6 - Mon, Mar 23

Delta flights from St. Louis to Ho Chi Minh City

Our best Delta deals on St. Louis to Ho Chi Minh City flight tickets
Delta
Jul 13
STL5:30 pmLambert-St Louis
31h 05m
2 stops
SGN12:35 pmHo Chi Minh City
Sep 14
SGN1:55 pmHo Chi Minh City
35h 22m
2 stops
STL1:17 pmLambert-St Louis
$1,039
Delta
Mar 13
STL7:03 amLambert-St Louis
41h 47m
2 stops
SGN12:50 pmHo Chi Minh City
Mar 21
SGN2:05 pmHo Chi Minh City
37h 08m
2 stops
STL3:13 pmLambert-St Louis
$1,172
Delta
Jun 29
STL7:05 pmLambert-St Louis
29h 30m
2 stops
SGN12:35 pmHo Chi Minh City
Sep 21
SGN7:35 amHo Chi Minh City
36h 31m
2 stops
STL8:06 amLambert-St Louis
$1,194

Cathay Pacific flights from St. Louis to Ho Chi Minh City

Our best Cathay Pacific deals on St. Louis to Ho Chi Minh City flight tickets
Cathay Pacific
Mar 2
STL9:37 amLambert-St Louis
35h 58m
2 stops
SGN10:35 amHo Chi Minh City
Mar 23
SGN7:35 pmHo Chi Minh City
40h 23m
2 stops
STL11:58 pmLambert-St Louis
$983
Cathay Pacific
Mar 6
STL6:00 amLambert-St Louis
39h 35m
2 stops
SGN10:35 amHo Chi Minh City
Mar 23
SGN11:35 amHo Chi Minh City
48h 23m
2 stops
STL11:58 pmLambert-St Louis
$1,033
Cathay Pacific
Feb 4
STL7:04 amLambert-St Louis
46h 31m
2 stops
SGN6:35 pmHo Chi Minh City
Mar 16
SGN7:35 pmHo Chi Minh City
40h 23m
2 stops
STL11:58 pmLambert-St Louis
$1,058

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 January 29, 2026.
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

Tue 5/12

8:46 am-10:05 pm

3 stops49h 19m

Ho Chi Minh City

Tue 6/2

7:00 am-8:59 pm

3 stops25h 59m

$896

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 5/12

8:46 am-10:05 pm

3 stops49h 19m

Ho Chi Minh City

Tue 6/2

7:00 am-5:53 pm

2 stops22h 53m

$904

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 4/21

3:50 pm-4:55 pm

2 stops37h 05m

Ho Chi Minh City

Tue 7/21

11:30 am-2:02 pm

2 stops38h 32m

$915

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 3/2

4:49 pm-10:55 pm

3 stops41h 06m

Ho Chi Minh City

Mon 3/23

6:00 am-6:00 pm

3 stops48h 00m

$962

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 3/2

6:00 am-12:15 am

2 stops29h 15m

Ho Chi Minh City

Mon 3/23

6:00 am-8:41 pm

3 stops50h 41m

$965

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sun 3/29

2:40 pm-10:05 pm

3 stops43h 25m

Ho Chi Minh City

Wed 4/8

7:00 am-10:56 pm

3 stops27h 56m

$970

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 3/2

9:37 am-10:35 am

2 stops35h 58m

Ho Chi Minh City

Mon 3/23

7:35 pm-11:58 pm

2 stops40h 23m

$983

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 5/12

4:44 pm-10:05 pm

3 stops41h 21m

Ho Chi Minh City

Tue 6/2

7:00 am-8:42 pm

3 stops25h 42m

$984

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 5/12

4:44 pm-10:05 pm

3 stops41h 21m

Ho Chi Minh City

Tue 6/2

7:00 am-5:53 pm

2 stops22h 53m

$993

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Fri 3/6

5:15 am-10:55 pm

3 stops28h 40m

Ho Chi Minh City

Mon 3/23

6:00 am-10:59 pm

3 stops52h 59m

$1,002

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 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 $1,005.

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 $1,212 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 $1,051 on momondo.

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

As of January 2026, prices for St. Louis to Ho Chi Minh City flights are approximately 12% 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

29h 30m

Direct flights

None
The fastest flight from St. Louis to Ho Chi Minh City takes 29h 30m
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. 29h 30m 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
China AirlinesPriceFrom $903Free CancellationRating
8.3
802 reviews
Search China Airlines flights
Cathay PacificPriceFrom $915Free CancellationRating
7.6
1,148 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $923Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $946Free CancellationRating
8.3
1,691 reviews
Search Japan Airlines flights
American AirlinesPriceFrom $966Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
ANAPriceFrom $986Free CancellationRating
8.4
1,078 reviews
Search ANA flights
DeltaPriceFrom $990Free CancellationRating
7.9
8,127 reviews
Search Delta flights
EVA AirPriceFrom $1,008Free CancellationRating
8.4
1,334 reviews
Search EVA Air 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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