How long is the flight from St. Louis to Vietnam?

Delta, United Airlines, and EVA Air can get you from St. Louis to Vietnam in just under 29h. Your travel time can differ by up to 12h 55m. The distance from St. Louis to Vietnam is about 8834 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What are the most popular routes from St. Louis to Vietnam?

The most popular route from St. Louis to Vietnam is Lambert-St Louis - Ho Chi Minh City. You may also consider Lambert-St Louis - Hanoi Noibai or Lambert-St Louis - Da Nang.

What are the most popular airlines that fly from St. Louis to Vietnam?

Before booking your flight from St. Louis to Vietnam check out the most popular airlines for this route: American Airlines, Air Canada or EVA Air.

What airport do you fly from for flights from St. Louis to Vietnam?

Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to Vietnam from St. Louis.

Can I find deals for flights from St. Louis to Vietnam that include hotel bookings?

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

How can I find direct flights from St. Louis to Vietnam?

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

Can I find deals for business class flights from St. Louis to Vietnam?

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

$453+ Cheap Flights from St. Louis to Vietnam

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Cheap flight deals from St. Louis to Vietnam

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$919 (FlightHub)
One-way from	$453 (Travelocity)
Popular in	December
Cheapest in	November
Average price	$1,023

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 Vietnam

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One-way flight from Lambert-St Louis to Vietnam

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Highest demand for flights based on searches. 5% potential increase in price ($76 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 September 2025

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Find flight deals from St. Louis to Vietnam

Cheapest flights from St. Louis to Vietnam
Explore the most affordable flight options available from St. Louis to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

Mon 10/66:40 amSTL - SGN

2 stops41h 55mDelta

Wed 10/221:55 pmSGN - STL

2 stops43h 33mDelta

Deal found 9/23

$915

Mon 11/1011:05 amSTL - SGN

2 stops45h 45mANA

Wed 12/1011:05 pmSGN - STL

2 stops26h 10mANA

Deal found 9/24

$919

Wed 10/296:15 amSTL - SGN

3 stops28h 40mUnited Airlines

Wed 11/1911:05 pmSGN - STL

2 stops33h 34mUnited Airlines

Deal found 9/22

$924

Mon 11/35:29 pmSTL - SGN

2 stops40h 26mUnited Airlines

Wed 11/1911:05 pmSGN - STL

2 stops36h 40mUnited Airlines

Deal found 9/24

$928

Sun 11/25:24 pmSTL - SGN

3 stops40h 31mUnited Airlines

Tue 11/1111:05 pmSGN - STL

2 stops53h 41mUnited Airlines

Deal found 9/25

$930

Thu 10/306:30 amSTL - SGN

3 stops28h 25mUnited Airlines

Thu 11/66:00 amSGN - STL

2 stops23h 27mUnited Airlines

Deal found 9/25

$943

Tue 10/216:00 amSTL - SGN

2 stops30h 15mUnited Airlines

Tue 10/2811:05 pmSGN - STL

2 stops36h 39mUnited Airlines

Deal found 9/23

$970

Wed 11/54:35 pmSTL - SGN

3 stops41h 20mUnited Airlines

Sun 11/911:05 pmSGN - STL

2 stops53h 42mUnited Airlines

Deal found 9/24

$976

Tue 9/301:40 pmSTL - SGN

2 stops46h 35mUnited Airlines

Wed 10/2911:05 pmSGN - STL

2 stops47h 02mUnited Airlines

Deal found 9/24

$983

Tue 9/303:35 pmSTL - HAN

2 stops37h 15mEVA Air

Tue 10/76:00 pmHAN - STL

2 stops42h 03mEVA Air

Deal found 9/23

$1,069

Sat 11/87:00 amSTL - HAN

2 stops38h 35mChina Airlines

Sat 11/155:30 pmHAN - STL

2 stops43h 29mChina Airlines

Deal found 9/24

$1,102

Fri 10/178:42 amSTL - HAN

2 stops37h 13mMultiple Airlines

Fri 11/711:05 amHAN - STL

2 stops45h 20mMultiple Airlines

Deal found 9/23

$1,105

Best flights from St. Louis to Vietnam
Discover carefully curated flight deals from St. Louis to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2025.

Mon 10/66:40 amSTL - SGN

2 stops41h 55mDelta

Tue 10/211:55 pmSGN - STL

2 stops44h 09mDelta

Deal found 9/23

$915

Tue 12/26:15 amSTL - SGN

2 stops29h 00mUnited Airlines

Mon 12/2211:05 pmSGN - STL

2 stops33h 17mUnited Airlines

Deal found 9/25

$924

Tue 9/303:35 pmSTL - HAN

2 stops37h 15mEVA Air

Tue 10/76:00 pmHAN - STL

2 stops42h 03mEVA Air

Deal found 9/23

$1,069

Fri 10/178:42 amSTL - HAN

2 stops37h 13mMultiple Airlines

Fri 11/711:05 amHAN - STL

2 stops45h 20mMultiple Airlines

Deal found 9/23

$1,105

Thu 12/46:00 amSTL - DAD

2 stops43h 15mKorean Air

Tue 12/303:45 pmDAD - STL

2 stops43h 23mKorean Air

Deal found 9/23

$1,391

Wed 11/57:00 amSTL - HAN

2 stops26h 30mAlaska Airlines

Sun 11/911:55 pmHAN - STL

2 stops37h 04mAlaska Airlines

Deal found 9/24

$1,440

Fri 10/176:08 pmSTL - HAN

2 stops49h 07mQatar Airways

Thu 11/63:00 amHAN - STL

2 stops33h 56mQatar Airways

Deal found 9/23

$1,501

Wed 11/57:00 amSTL - HAN

2 stops26h 30mJapan Airlines

Sun 11/911:55 pmHAN - STL

2 stops48h 47mJapan Airlines

Deal found 9/23

$1,701

Mon 10/66:40 amSTL - SGN

2 stops41h 55mDelta

Wed 10/221:55 pmSGN - STL

2 stops43h 33mDelta

Deal found 9/23

$915

Mon 11/34:35 pmSTL - SGN

3 stops41h 20mUnited Airlines

Wed 11/1911:05 pmSGN - STL

2 stops33h 34mUnited Airlines

Deal found 9/25

$924

Mon 11/104:35 pmSTL - SGN

3 stops41h 20mUnited Airlines

Wed 12/1011:05 pmSGN - STL

2 stops36h 40mUnited Airlines

Deal found 9/24

$924

Fri 11/73:59 pmSTL - HAN

2 stops37h 31mMultiple Airlines

Fri 11/1411:05 amHAN - STL

2 stops24h 24mMultiple Airlines

Deal found 9/23

$1,105

Sun 11/25:24 pmSTL - SGN

3 stops40h 31mUnited Airlines

Tue 11/1111:05 pmSGN - STL

2 stops53h 41mUnited Airlines

Deal found 9/25

$930

Sat 10/113:23 pmSTL - DAD

3 stops42h 27mEmirates

Wed 10/1511:30 pmDAD - STL

3 stops32h 12mEmirates

Deal found 9/22

$2,344

Sat 10/115:25 pmSTL - DAD

2 stops56h 15mDelta

Wed 10/1510:55 pmDAD - STL

2 stops36h 46mDelta

Deal found 9/24

$1,108

Thu 10/306:15 amSTL - SGN

3 stops28h 40mUnited Airlines

Thu 11/66:00 amSGN - STL

3 stops25h 47mUnited Airlines

Deal found 9/25

$935

Wed 10/13:35 pmSTL - HAN

2 stops45h 10mMultiple Airlines

Wed 10/88:45 amHAN - STL

2 stops51h 09mMultiple Airlines

Deal found 9/24

$1,481

Wed 12/106:00 amSTL - DAD

2 stops43h 15mKorean Air

Tue 12/303:45 pmDAD - STL

2 stops43h 23mKorean Air

Deal found 9/23

$1,934

Sat 11/87:00 amSTL - HAN

2 stops26h 30mMultiple Airlines

Fri 11/1412:25 amHAN - STL

2 stops34h 57mMultiple Airlines

Deal found 9/24

$1,698

Mon 12/87:05 amSTL - DAD

2 stops25h 25mKorean Air

Tue 12/303:45 pmDAD - STL

2 stops43h 23mKorean Air

Deal found 9/23

$1,964

Wed 11/55:29 pmSTL - HAN

2 stops40h 36mUnited Airlines

Sat 11/812:25 amHAN - STL

2 stops51h 00mUnited Airlines

Deal found 9/24

$1,592

Thu 12/46:00 amSTL - DAD

2 stops26h 30mKorean Air

Sun 12/283:45 pmDAD - STL

2 stops38h 14mKorean Air

Deal found 9/23

$2,026

Sun 11/96:43 pmSTL - HAN

2 stops39h 22mUnited Airlines

Sun 11/1611:50 pmHAN - STL

2 stops53h 37mUnited Airlines

Deal found 9/25

$1,624

Thu 12/46:00 amSTL - DAD

2 stops26h 30mKorean Air

Wed 12/3111:20 pmDAD - STL

2 stops37h 19mKorean Air

Deal found 9/23

$2,026

Tue 12/96:00 amSTL - DAD

2 stops26h 30mKorean Air

Mon 12/293:45 pmDAD - STL

2 stops42h 56mKorean Air

Deal found 9/23

$2,157

Sat 12/66:40 amSTL - DAD

2 stops25h 50mKorean Air

Mon 12/2911:20 pmDAD - STL

2 stops30h 39mKorean Air

Deal found 9/23

$2,357

Fri 12/56:00 amSTL - DAD

2 stops26h 30mKorean Air

Sun 12/283:45 pmDAD - STL

2 stops38h 14mKorean Air

Deal found 9/23

$2,419

Last-minute flights from St. Louis to Vietnam
Discover last-minute flight deals from St. Louis to Vietnam. Data last updated September 25, 2025 and is based on user searches.

Thu 9/256:30 pmSTL - SGN

2 stops33h 50mChina Airlines

Thu 10/210:50 amSGN - STL

2 stops49h 09mChina Airlines

Deal found 9/24

$1,014

Tue 9/301:40 pmSTL - SGN

2 stops46h 35mUnited Airlines

Wed 10/2911:05 pmSGN - STL

2 stops47h 02mUnited Airlines

Deal found 9/24

$983

Tue 9/303:35 pmSTL - SGN

2 stops42h 25mEVA Air

Wed 10/293:45 pmSGN - STL

2 stops44h 14mEVA Air

Deal found 9/24

$999

Tue 9/306:10 amSTL - SGN

2 stops47h 10mCathay Pacific

Sun 11/211:35 amSGN - STL

2 stops49h 07mCathay Pacific

Deal found 9/24

$1,016

Tue 9/303:35 pmSTL - HAN

2 stops37h 15mEVA Air

Tue 10/76:00 pmHAN - STL

2 stops42h 03mEVA Air

Deal found 9/23

$1,069

Fri 10/178:42 amSTL - HAN

2 stops37h 13mMultiple Airlines

Fri 11/711:05 amHAN - STL

2 stops45h 20mMultiple Airlines

Deal found 9/23

$1,105

Wed 10/296:30 amSTL - SGN

3 stops28h 25mUnited Airlines

Wed 11/1211:05 pmSGN - STL

2 stops36h 40mUnited Airlines

Deal found 9/24

$924

Wed 10/295:09 pmSTL - SGN

2 stops37h 26mMultiple Airlines

Wed 11/127:15 amSGN - STL

2 stops22h 32mMultiple Airlines

Deal found 9/24

$1,000

Wed 10/297:00 amSTL - SGN

2 stops40h 35mEVA Air

Tue 11/111:55 amSGN - STL

2 stops59h 04mEVA Air

Deal found 9/24

$1,054

Thu 10/306:15 amSTL - SGN

3 stops28h 40mUnited Airlines

Thu 11/66:00 amSGN - STL

3 stops25h 47mUnited Airlines

Deal found 9/25

$935

Thu 10/304:14 pmSTL - SGN

2 stops36h 36mChina Airlines

Thu 11/65:50 pmSGN - STL

2 stops43h 09mChina Airlines

Deal found 9/25

$993

Thu 10/304:14 pmSTL - SGN

2 stops29h 51mEVA Air

Wed 11/51:55 amSGN - STL

2 stops59h 04mEVA Air

Deal found 9/25

$1,035

One-way flights from St. Louis to Vietnam
Search for one-way flight options from St. Louis to Vietnam. Find affordable one-way fares based on user searches. Data last updated September 25, 2025.

Sun 11/27:00 amSTL - SGN

2 stops36h 25mMultiple Airlines

Deal found 9/24

$453

Mon 10/207:52 pmSTL - HAN

3 stops40h 53mMultiple Airlines

Deal found 9/24

$454

Wed 10/227:52 pmSTL - SGN

3 stops48h 43mMultiple Airlines

Deal found 9/24

$462

Wed 11/127:45 pmSTL - SGN

3 stops50h 40mMultiple Airlines

Deal found 9/24

$465

Wed 10/17:55 pmSTL - SGN

3 stops48h 40mMultiple Airlines

Deal found 9/24

$466

Sun 10/126:05 pmSTL - SGN

3 stops50h 30mMultiple Airlines

Deal found 9/24

$469

Sun 10/51:57 pmSTL - SGN

3 stops54h 38mMultiple Airlines

Deal found 9/25

$481

Wed 10/297:00 amSTL - HAN

2 stops54h 45mMultiple Airlines

Deal found 9/24

$497

Wed 2/186:04 amSTL - SGN

2 stops34h 51mJapan Airlines

Deal found 9/24

$508

Mon 10/67:55 pmSTL - SGN

3 stops50h 00mMultiple Airlines

Deal found 9/24

$512

Fri 11/77:45 pmSTL - HAN

3 stops41h 00mMultiple Airlines

Deal found 9/24

$513

Mon 11/244:35 pmSTL - SGN

3 stops41h 20mUnited Airlines

Deal found 9/24

$517

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 10/6

6:40 am-12:35 pm

2 stops41h 55m

Ho Chi Minh City

Tue 10/21

1:55 pm-10:04 pm

2 stops44h 09m

$915

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 10/6

6:40 am-12:35 pm

2 stops41h 55m

Ho Chi Minh City

Wed 10/22

1:55 pm-9:28 pm

2 stops43h 33m

$915

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 12/2

6:15 am-12:15 am

2 stops29h 00m

Ho Chi Minh City

Mon 12/22

11:05 pm-7:22 pm

2 stops33h 17m

$924

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 11/3

4:35 pm-10:55 pm

3 stops41h 20m

Ho Chi Minh City

Wed 11/19

11:05 pm-7:39 pm

2 stops33h 34m

$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

Wed 12/10

11:05 pm-10:45 pm

2 stops36h 40m

$924

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

Tue 11/11

11:05 pm-3:46 pm

2 stops53h 41m

$930

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Thu 10/30

6:15 am-10:55 pm

3 stops28h 40m

Ho Chi Minh City

Thu 11/6

6:00 am-6:47 pm

3 stops25h 47m

$935

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 9/30

3:35 pm-4:50 pm

2 stops37h 15m

Hanoi Noibai

Tue 10/7

6:00 pm-12:03 am

2 stops42h 03m

$1,069

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Fri 10/17

8:42 am-9:55 am

2 stops37h 13m

Hanoi Noibai

Fri 11/7

11:05 am-7:25 pm

2 stops45h 20m

$1,105

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Fri 11/7

3:59 pm-6:30 pm

2 stops37h 31m

Hanoi Noibai

Fri 11/14

11:05 am-10:29 pm

2 stops24h 24m

$1,105

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 43 results

...

Best time to book a flight from St. Louis to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam 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 Vietnam

What is the cheapest month to book a flight from St. Louis to Vietnam?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Vietnam (average of $871). Flying from St. Louis to Vietnam in June is currently the most expensive (average of $1,423). 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 VN?

When flying from St. Louis to Vietnam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Vietnam

Read through reviews of airlines operating flights from St. Louis to Vietnam, 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

972 reviews

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

972 reviews

ANA

8.4

Very good

972 reviews

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

1,564 reviews

ANA

8.4

Very good

972 reviews

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

8.0

Very good

7,973 reviews

ANA

8.4

Very good

972 reviews

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

1,009 reviews

ANA

8.4

Very good

972 reviews

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

8,926 reviews

ANA

8.4

Very good

972 reviews

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

What airport do you fly from for flights from St. Louis to Vietnam?
Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to Vietnam from St. Louis.
How long is the flight from St. Louis to Vietnam?
Delta, United Airlines, and EVA Air can get you from St. Louis to Vietnam in just under 29h. Your travel time can differ by up to 12h 55m. The distance from St. Louis to Vietnam is about 8834 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the most popular routes from St. Louis to Vietnam?
The most popular route from St. Louis to Vietnam is Lambert-St Louis - Ho Chi Minh City. You may also consider Lambert-St Louis - Hanoi Noibai or Lambert-St Louis - Da Nang.
Can I find deals for flights from St. Louis to Vietnam that include hotel bookings?
Yes. In addition to deals on St. Louis to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Vietnam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Vietnam.
Can I find deals for business class flights from St. Louis to Vietnam?
Yes. Cheapflights offers flight deals from St. Louis to Vietnam 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 Vietnam?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Vietnam (average of $871). Flying from St. Louis to Vietnam in June is currently the most expensive (average of $1,423). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from St. Louis to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Korean Air	Cheapest$761	Average$1,703	FlexibilityNo cancel fee	On-time81%
American Airlines	Cheapest$903	Average$1,195	FlexibilityNo cancel fee	On-time71%
Cathay Pacific	Cheapest$915	Average$1,346	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$920	Average$1,508	FlexibilityNo cancel fee	On-timeN/A
Japan Airlines	Cheapest$942	Average$1,135	FlexibilityNo cancel fee	On-time79%
ANA	Cheapest$987	Average$1,198	FlexibilityNo cancel fee	On-time80%
United Airlines	Cheapest$996	Average$1,282	FlexibilityNo cancel fee	On-time69%
EVA Air	Cheapest$1,193	Average$1,401	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$1,437	Average$1,761	FlexibilityNo cancel fee	On-time67%

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$453+ Cheap flights from St. Louis (STL) to Vietnam

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from St. Louis to Vietnam

Keep the following information in mind while searching for St. Louis to Vietnam flight deals. Data was last updated September 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Vietnam

Cheapest flights from St. Louis to VietnamExplore the most affordable flight options available from St. Louis to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

Explore the most affordable flight options available from St. Louis to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

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Best time to book a flight from St. Louis to Vietnam

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What is the cheapest month to book a flight from St. Louis to Vietnam?

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

Find hourly flight availability from St. Louis to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2025.

Reviews of airlines servicing Vietnam

Read through reviews of airlines operating flights from St. Louis to Vietnam, such as ANA, Japan Airlines, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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Can I find deals for business class flights from St. Louis to Vietnam?

What is the cheapest month to book a flight from St. Louis to Vietnam?

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Alternative routes for St. Louis to Vietnam

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Top 9 airlines flying from St. Louis to Vietnam

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Cheapest flights from St. Louis to Vietnam
Explore the most affordable flight options available from St. Louis to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.