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Ho Chi Minh City

$487+ Cheap flights from St. Louis (STL) to Ho Chi Minh City (SGN)

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SGN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Ho Chi Minh City are usually found in November or September, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from St. Louis to Ho Chi Minh City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Ho Chi Minh City (SGN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$867
(United Airlines)

One-way from

$487
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$1,069
Provider with most accurate pricing for Lambert-St Louis-Ho Chi Minh City flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Ho Chi Minh City flights.
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From Lambert-St Louis to Ho Chi Minh City
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One-way flight from Lambert-St Louis to Ho Chi Minh City
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Highest demand for flights based on searches. 3% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. Louis to Ho Chi Minh City

Cheapest flights from St. Louis to Ho Chi Minh City
Explore the most affordable flight options available from St. Louis to Ho Chi Minh City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/24:35 pmSTL - SGN
3 stops41h 20mUnited Airlines
Wed 11/197:30 amSGN - STL
2 stops21h 57mUnited Airlines
Deal found 10/28$867
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/25:24 pmSTL - SGN
3 stops40h 31mUnited Airlines
Sun 3/2211:05 pmSGN - STL
2 stops32h 14mUnited Airlines
Deal found 10/28$910
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/126:30 amSTL - SGN
2 stops50h 20mUnited Airlines
Mon 12/811:05 pmSGN - STL
2 stops29h 35mUnited Airlines
Deal found 10/27$920
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/176:15 amSTL - SGN
2 stops29h 00mUnited Airlines
Mon 12/1511:05 pmSGN - STL
2 stops28h 20mUnited Airlines
Deal found 10/27$924
This United Airlines deal was found by Cheapflights users on 10/27. 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 10/299:00 amSTL - SGN
2 stops27h 15mUnited Airlines
Thu 11/276:00 amSGN - STL
3 stops25h 52mUnited Airlines
Deal found 10/27$939

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 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

St. Louis

Fly to

Ho Chi Minh City

Route

Depart

Return

Price

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sun 11/2

4:35 pm-12:15 am

2 stops42h 40m

Ho Chi Minh City

Wed 11/19

7:30 am-4:27 pm

2 stops21h 57m

$873

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 1/20

8:05 am-9:50 pm

2 stops48h 45m

Ho Chi Minh City

Tue 2/3

11:05 pm-2:30 pm

2 stops28h 25m

$906

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sun 11/2

5:24 pm-10:55 pm

3 stops40h 31m

Ho Chi Minh City

Sun 3/22

11:05 pm-7:19 pm

2 stops32h 14m

$910

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 1/5

5:45 pm-10:55 pm

3 stops40h 10m

Ho Chi Minh City

Wed 1/14

11:05 pm-10:52 am

2 stops48h 47m

$916

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Wed 11/12

6:30 am-9:50 pm

2 stops50h 20m

Ho Chi Minh City

Sun 12/14

11:05 pm-9:40 pm

2 stops35h 35m

$920

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Wed 11/12

6:30 am-9:50 pm

2 stops50h 20m

Ho Chi Minh City

Mon 12/8

11:05 pm-3:40 pm

2 stops29h 35m

$920

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 11/17

4:35 pm-10:55 pm

3 stops41h 20m

Ho Chi Minh City

Mon 12/15

11:05 pm-12:15 pm

2 stops26h 10m

$924

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 11/10

4:35 pm-10:55 pm

3 stops41h 20m

Ho Chi Minh City

Mon 11/17

11:05 pm-4:27 pm

2 stops30h 22m

$924

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sun 11/9

6:43 pm-10:55 pm

3 stops39h 12m

$487

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 1/5

8:52 pm-11:00 am

3 stops49h 08m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 12 results
1
2

Compare providers for flights from St. Louis to Ho Chi Minh City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Ho Chi Minh City in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Ho Chi Minh City flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on St. Louis-Ho Chi Minh City flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from St. Louis-Ho Chi Minh City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Ho Chi Minh City flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Ho Chi Minh City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Ho Chi Minh City

Have a flexible travel schedule? Discover the best time to fly to Ho Chi Minh City from St. Louis 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 St. Louis to Ho Chi Minh City

How far ahead should I book a flight from St. Louis to Ho Chi Minh City?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Ho Chi Minh City. Price data was last updated on October 24, 2025.

The price you pay for your flight from St. Louis to Ho Chi Minh City may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Ho Chi Minh City?

Currently, July is the cheapest month in which you can book a flight from St. Louis to Ho Chi Minh City (average of $550). Flying from St. Louis to Ho Chi Minh City in June is currently the most expensive (average of $1,349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to SGN?

Find hourly flight availability from St. Louis to Ho Chi Minh City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from St. Louis to Ho Chi Minh City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight at noon.

What is the cheapest day to fly from St. Louis to Ho Chi Minh City?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Ho Chi Minh City. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Ho Chi Minh City flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ho Chi Minh City

Get insights into the airlines that provide service to Ho Chi Minh City. 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 Ho Chi Minh City. Reviews last updated October 28, 2025.
Read through reviews of airlines operating flights from St. Louis to Ho Chi Minh City, such as ANA, Japan Airlines, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
994 reviews

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
994 reviews
ANA
8.4
Very good
994 reviews

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Japan Airlines
8.3
Very good
1,595 reviews
ANA
8.4
Very good
994 reviews

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Delta
7.9
Good
7,994 reviews
ANA
8.4
Very good
994 reviews

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Cathay Pacific
7.6
Good
1,042 reviews
ANA
8.4
Very good
994 reviews

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
United Airlines
7.4
Good
9,001 reviews
ANA
8.4
Very good
994 reviews

Comfort

8.2

Boarding

8.6

Overall

8.4

Entertainment

7.9

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Ho Chi Minh City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Ho Chi Minh City?

    United Airlines can get you from St. Louis to Ho Chi Minh City in just under 42h 40m. Your travel time can differ by up to . Airlines will cover a distance of 8834 mi.

  • What are the cheapest airlines flying from St. Louis to Ho Chi Minh City round-trip?

    Flying on Korean Air is currently your cheapest option to Ho Chi Minh City, with prices starting at $761. Additional round-trip tickets that might be worth considering are offered by Cathay Pacific and China Airlines, with the lowest prices starting at $915 and $928, respectively. Users have found that Korean Air is 39% cheaper than the other options available to this destination.

  • Where are the most common layover locations when flying from St. Louis to Ho Chi Minh City?

    St. Louis to Ho Chi Minh City flights have a layover in Incheon most often.

  • What are some popular things to do or see while on a layover in Incheon?

    Most Incheon visitors opt to spend their time experiencing G Tower, Sinpo International Market, and Moraenae Market. G Tower, Sinpo International Market, and Moraenae Market are located about 10.7 mi, 13.7 mi, and 14.7 mi, respectively from Incheon Intl. Travelers can book a car rental at Incheon Intl for about $63 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for St. Louis to Ho Chi Minh City flights?

    Flights departing from St. Louis and landing in Ho Chi Minh City layover in Tokyo least frequently.

  • Can I find deals for flights from St. Louis to Ho Chi Minh City that include hotel bookings?

    Yes. In addition to deals on St. Louis to Ho Chi Minh City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Ho Chi Minh City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Ho Chi Minh City.

  • Can I find deals for business class flights from St. Louis to Ho Chi Minh City?

    Yes. Cheapflights offers flight deals from St. Louis to Ho Chi Minh City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Ho Chi Minh City?

    Currently, July is the cheapest month in which you can book a flight from St. Louis to Ho Chi Minh City (average of $550). Flying from St. Louis to Ho Chi Minh City in June is currently the most expensive (average of $1,349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Ho Chi Minh City

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Ho Chi Minh City flights
Springfield to Ho Chi Minh City flights
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Kansas City to Hanoi flights
St. Louis to Da Nang flights
St. Louis to Hanoi flights

Top 10 airlines flying from St. Louis to Ho Chi Minh City

Discover the top 10 airlines that operate flights from St. Louis to Ho Chi Minh City. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$761Average$1,313FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$915Average$1,339FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$928Average$994FlexibilityNo cancel feeOn-time70%
Japan AirlinesCheapest$949Average$1,116FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$966Average$1,085FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$970Average$1,227FlexibilityNo cancel feeOn-time69%
ANACheapest$986Average$1,075FlexibilityNo cancel feeOn-time80%
DeltaCheapest$990Average$1,358FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$1,008Average$1,362FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,437Average$1,761FlexibilityNo cancel feeOn-time67%

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