What is the cheapest airline that flies from Lambert-St Louis to Ho Chi Minh City?

Cathay Pacific is the most popular carrier operating from Lambert-St Louis to Ho Chi Minh City

What airlines fly to Ho Chi Minh City?

United Airlines, Japan Airlines and Cathay Pacific are the top three most popular airlines that fly to Ho Chi Minh City from St. Louis according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Ho Chi Minh City. Keep in mind that there are 6 different airlines that fly to Ho Chi Minh City on a routine basis, so you have a few additional options to choose from.

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?

As of August 2026, there are 6 operators available to choose from 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.

$520 Cheap Flights from St. Louis to Ho Chi Minh City in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Ho Chi Minh City

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:01 am - 12:20 amSTL Lambert-St Louis-SGN Ho Chi Minh City

25h 19m2 stops Chicago O'Hare Intl Hong Kong Intl

7:10 am - 9:59 pmSGN Ho Chi Minh City-STL Lambert-St Louis

26h 49m2 stops Hong Kong Intl Dallas/Fort Worth

$1,048Cathay Pacific

Wed, Sep 16 - Wed, Oct 7

6:29 am - 8:25 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

25h 56m2 stops Seattle/Tacoma Intl Hong Kong Intl

7:10 am - 8:57 pmSGN Ho Chi Minh City-STL Lambert-St Louis

25h 47m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,060Multiple Airlines

Mon, Sep 21 - Mon, Oct 19

6:29 am - 8:25 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

25h 56m2 stops Seattle/Tacoma Intl Hong Kong Intl

7:10 am - 8:57 pmSGN Ho Chi Minh City-STL Lambert-St Louis

25h 47m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,060Multiple Airlines

Mon, Sep 14 - Mon, Oct 12

11:01 am - 10:05 amSTL Lambert-St Louis-SGN Ho Chi Minh City

35h 04m2 stops Chicago O'Hare Intl Hong Kong Intl

7:15 am - 12:19 amSGN Ho Chi Minh City-STL Lambert-St Louis

29h 04m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,070Cathay Pacific

Thu, Oct 1 - Thu, Oct 29

7:21 am - 10:00 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

26h 39m2 stops Chicago O'Hare Intl Tokyo Narita

7:50 am - 8:57 pmSGN Ho Chi Minh City-STL Lambert-St Louis

25h 07m2 stops Tokyo Narita Chicago O'Hare Intl

$1,145Japan Airlines

Fri, Oct 2 - Fri, Oct 30

6:15 am - 9:55 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

27h 40m2 stops Houston George Bush Intcntl Tokyo Haneda

11:05 pm - 10:15 pmSGN Ho Chi Minh City-STL Lambert-St Louis

35h 10m2 stops Tokyo Haneda San Francisco

$1,147United Airlines

Fri, Oct 2 - Fri, Oct 30

6:15 am - 9:50 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

26h 35m2 stops Houston George Bush Intcntl Tokyo Haneda

11:05 pm - 6:06 pmSGN Ho Chi Minh City-STL Lambert-St Louis

32h 01m2 stops Tokyo Haneda Chicago O'Hare Intl

$1,149ANA

Mon, Dec 7 - Wed, Jan 27

6:15 am - 10:05 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

27h 50m3 stops Houston George Bush Intcntl Los Angeles Hong Kong Intl

11:15 pm - 3:43 pmSGN Ho Chi Minh City-STL Lambert-St Louis

28h 28m2 stops Tokyo Haneda Chicago O'Hare Intl

$1,151United Airlines

Tue, Sep 1 - Wed, Oct 14

8:00 am - 9:55 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

25h 55m2 stops Chicago O'Hare Intl Tokyo Haneda

6:00 am - 6:05 pmSGN Ho Chi Minh City-STL Lambert-St Louis

25h 05m1 stop Los Angeles

$1,207ANA

Mon, Oct 5 - Mon, Nov 2

7:20 am - 11:20 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

27h 00m2 stops Atlanta Hartsfield-Jackson Incheon Intl

8:00 am - 2:43 pmSGN Ho Chi Minh City-STL Lambert-St Louis

43h 43m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,939Delta

Sun, Dec 27 - Sun, Jan 3

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 12:20 amSTL Lambert-St Louis-SGN Ho Chi Minh City

30h 20m2 stops Chicago O'Hare Intl Hong Kong Intl

1:35 pm - 11:42 pmSGN Ho Chi Minh City-STL Lambert-St Louis

46h 07m2 stops Hong Kong Intl Dallas/Fort Worth

$1,109Cathay Pacific

Mon, Aug 24 - Sun, Sep 6

6:00 am - 10:05 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

28h 05m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

11:15 pm - 7:16 pmSGN Ho Chi Minh City-STL Lambert-St Louis

32h 01m2 stops Tokyo Haneda Chicago O'Hare Intl

$1,151United Airlines

Mon, Aug 24 - Sun, Sep 6

5:11 pm - 5:20 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

36h 09m2 stops Dallas/Fort Worth Hong Kong Intl

11:15 pm - 10:59 pmSGN Ho Chi Minh City-STL Lambert-St Louis

35h 44m2 stops Tokyo Haneda Los Angeles

$1,593Multiple Airlines

Sat, Aug 22 - Mon, Aug 24

6:35 am - 8:25 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

25h 50m2 stops Seattle/Tacoma Intl Hong Kong Intl

11:00 pm - 1:25 pmSGN Ho Chi Minh City-STL Lambert-St Louis

26h 25m1 stop Frankfurt am Main

$3,825Multiple Airlines

Mon, Aug 24 - Sun, Sep 6

6:35 am - 1:50 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

43h 15m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:00 pm - 11:59 pmSGN Ho Chi Minh City-STL Lambert-St Louis

39h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$4,872Multiple Airlines

Mon, Aug 24 - Wed, Sep 2

6:35 am - 1:50 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

43h 15m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:00 pm - 11:59 pmSGN Ho Chi Minh City-STL Lambert-St Louis

39h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$5,021Multiple Airlines

Mon, Aug 24 - Sat, Sep 5

6:35 am - 1:50 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

43h 15m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:00 pm - 11:59 pmSGN Ho Chi Minh City-STL Lambert-St Louis

39h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$5,021Multiple Airlines

Mon, Aug 24 - Sun, Sep 6

6:25 am - 9:40 amSTL Lambert-St Louis-SGN Ho Chi Minh City

39h 15m3 stops Los Angeles San Francisco Taipei City Taiwan Taoyuan Intl

10:50 am - 10:55 pmSGN Ho Chi Minh City-STL Lambert-St Louis

24h 05m2 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl

$6,182Multiple Airlines

Mon, Aug 24 - Sun, Sep 6

6:25 am - 9:40 amSTL Lambert-St Louis-SGN Ho Chi Minh City

39h 15m3 stops Los Angeles San Francisco Taipei City Taiwan Taoyuan Intl

10:50 am - 10:35 pmSGN Ho Chi Minh City-STL Lambert-St Louis

23h 45m2 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl

$6,182Multiple Airlines

Mon, Aug 24 - Wed, Sep 2

7:25 am - 9:55 pmSTL Lambert-St Louis-SGN Ho Chi Minh City

26h 30m2 stops Chicago O'Hare Intl Tokyo Haneda

7:00 am - 8:46 pmSGN Ho Chi Minh City-STL Lambert-St Louis

25h 46m3 stops Hong Kong Intl Los Angeles Denver Intl

$12,606United Airlines

Sat, Aug 22 - Mon, Aug 24

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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

Sep 16

STL11:01 amLambert-St Louis

25h 19m

2 stops

SGN12:20 amHo Chi Minh City

Oct 7

SGN7:10 amHo Chi Minh City

26h 49m

2 stops

STL9:59 pmLambert-St Louis

$1,048

Cathay Pacific

Sep 1

STL9:32 amLambert-St Louis

43h 48m

2 stops

SGN5:20 pmHo Chi Minh City

Oct 14

SGN11:05 amHo Chi Minh City

22h 54m

2 stops

STL9:59 pmLambert-St Louis

$1,070

Cathay Pacific

Sep 1

STL9:32 amLambert-St Louis

36h 33m

2 stops

SGN10:05 amHo Chi Minh City

Nov 30

SGN7:35 pmHo Chi Minh City

34h 12m

2 stops

STL4:47 pmLambert-St Louis

$1,071

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

Oct 2

STL6:15 amLambert-St Louis

27h 40m

2 stops

SGN9:55 pmHo Chi Minh City

Oct 30

SGN11:05 pmHo Chi Minh City

35h 10m

2 stops

STL10:15 pmLambert-St Louis

$1,147

United Airlines

Sep 1

STL6:15 amLambert-St Louis

27h 50m

3 stops

SGN10:05 pmHo Chi Minh City

Sep 14

SGN11:15 pmHo Chi Minh City

32h 01m

2 stops

STL7:16 pmLambert-St Louis

$1,151

United Airlines

Oct 1

STL5:10 amLambert-St Louis

28h 55m

3 stops

SGN10:05 pmHo Chi Minh City

Oct 31

SGN7:30 amHo Chi Minh City

27h 54m

2 stops

STL11:24 pmLambert-St Louis

$1,153

momondo Fare Finder

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

Cheapest round-trip

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Wed 9/16

11:01 am-12:20 am

2 stops25h 19m

Ho Chi Minh City

Wed 10/7

7:10 am-9:59 pm

2 stops26h 49m

$1,048

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Mon 9/21

6:29 am-8:25 pm

2 stops25h 56m

Ho Chi Minh City

Mon 10/19

7:10 am-8:57 pm

2 stops25h 47m

$1,060

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Mon 9/14

6:29 am-8:25 pm

2 stops25h 56m

Ho Chi Minh City

Mon 10/12

7:10 am-8:57 pm

2 stops25h 47m

$1,060

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Thu 10/1

11:01 am-10:05 am

2 stops35h 04m

Ho Chi Minh City

Thu 10/29

7:15 am-12:19 am

2 stops29h 04m

$1,070

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Fri 10/2

7:21 am-10:00 pm

2 stops26h 39m

Ho Chi Minh City

Fri 10/30

7:50 am-8:57 pm

2 stops25h 07m

$1,145

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Fri 10/2

6:15 am-9:55 pm

2 stops27h 40m

Ho Chi Minh City

Fri 10/30

11:05 pm-10:15 pm

2 stops35h 10m

$1,147

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Mon 12/7

6:15 am-9:50 pm

2 stops26h 35m

Ho Chi Minh City

Wed 1/27

11:05 pm-6:06 pm

2 stops32h 01m

$1,149

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Tue 9/1

6:15 am-10:05 pm

3 stops27h 50m

Ho Chi Minh City

Wed 10/14

11:15 pm-3:43 pm

2 stops28h 28m

$1,151

Quickest round-trip

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Mon 10/5

8:00 am-9:55 pm

2 stops25h 55m

Ho Chi Minh City

Mon 11/2

6:00 am-6:05 pm

1 stop25h 05m

$1,207

St. LouisHo Chi Minh City

STL Lambert-St Louis - SGN Ho Chi Minh City

STLSGN

Lambert-St Louis

Sun 12/27

7:20 am-11:20 pm

2 stops27h 00m

Ho Chi Minh City

Sun 1/3

8:00 am-2:43 pm

2 stops43h 43m

$1,939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,171 to $1,213.
The lowest price recently found on this route was $1,048.

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

In general, April 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 $989. If you’re not able to fly to Ho Chi Minh City in April, then November is your next best option. Flight prices from St. Louis to Ho Chi Minh City during November average around $1,039.

How far in advance should I book a flight from St. Louis 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 $1,199 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 $1,005 on momondo.

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

As of August 2026, prices for St. Louis to Ho Chi Minh City flights are approximately 9% 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

Best Price Found	$520
Fastest flight time	23h 49m
Direct flights	None

The best one-way flight to Ho Chi Minh City from St. Louis in the past 72 hours is $520. The best round-trip flight deal from St. Louis to Ho Chi Minh City found on momondo in the last 72 hours is $1,048.

The fastest flight from St. Louis to Ho Chi Minh City takes 23h 49m

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

Frequently asked questions about flying from St. Louis to Ho Chi Minh City

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. 23h 49m 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?
As of August 2026, there are 6 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Ho Chi Minh City is United Airlines, representing 50% of all bookings. The subsequent popular airlines are Japan Airlines at 14%, Cathay Pacific at 14%, and ANA at 10%.

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
American Airlines	PriceFrom $903	Free Cancellation	Rating 7.1 11,961 reviews	Search American Airlines flights
Cathay Pacific	PriceFrom $915	Free Cancellation	Rating 7.6 1,453 reviews	Search Cathay Pacific flights
Japan Airlines	PriceFrom $921	Free Cancellation	Rating 8.3 1,904 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $943	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
ANA	PriceFrom $998	Free Cancellation	Rating 8.3 1,298 reviews	Search ANA flights
Delta	PriceFrom $1,110	Free Cancellation	Rating 7.8 8,498 reviews	Search Delta 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.