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Cheap flights from St. Louis (STL) to Vietnam from $664

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SGN
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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How far in advance should I book a flight from St. Louis to Vietnam?

Find a great deal and save up to 49% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Vietnam within the next two weeks, with the cheapest ticket starting at $1,382.

What is the cheapest month to fly from St. Louis to Vietnam?

Flights from St. Louis to Vietnam lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Vietnam in April, with the cheapest ticket starting at $1,032.

When is the cheapest time to fly from St. Louis to Vietnam (STL - 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.

Cheap United Airlines flights from St. Louis to Vietnam

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Vietnam. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Consider these cheap United Airlines flights we've found departing from St. Louis to Vietnam. Make sure to check back often as deals are often changing.
Wed 8/710:19 amSTL - SGN
2 stops47h 06mUnited Airlines
Sun 10/1310:45 pmSGN - STL
2 stops35h 07mUnited Airlines
Deal found 5/8$1,278
Tue 8/209:30 amSTL - SGN
2 stops23h 55mUnited Airlines
Fri 9/2010:45 pmSGN - STL
2 stops33h 02mUnited Airlines
Deal found 5/8$1,279
Wed 8/75:30 pmSTL - SGN
3 stops42h 15mUnited Airlines
Sun 10/1310:45 pmSGN - STL
2 stops35h 07mUnited Airlines
Deal found 5/8$1,294
Tue 10/16:15 amSTL - SGN
3 stops51h 10mUnited Airlines
Thu 11/2111:05 pmSGN - STL
3 stops54h 30mUnited Airlines
Deal found 5/8$1,295
Wed 8/75:30 pmSTL - SGN
3 stops42h 15mUnited Airlines
Sun 10/1310:45 pmSGN - STL
3 stops53h 37mUnited Airlines
Deal found 5/8$1,467
Thu 10/36:02 amSTL - HAN
2 stops28h 13mUnited Airlines
Mon 10/711:30 pmHAN - STL
3 stops28h 52mUnited Airlines
Deal found 5/7$1,483
Thu 10/38:55 amSTL - HAN
2 stops25h 20mUnited Airlines
Mon 10/711:30 pmHAN - STL
3 stops28h 52mUnited Airlines
Deal found 5/8$1,683
Mon 7/295:30 pmSTL - SGN
3 stops42h 15mUnited Airlines
Mon 8/1910:45 pmSGN - STL
2 stops33h 51mUnited Airlines
Deal found 5/8$1,780
Sun 5/266:08 amSTL - SGN
2 stops27h 17mUnited Airlines
Sun 6/910:45 pmSGN - STL
2 stops34h 59mUnited Airlines
Deal found 5/8$1,895

Cheap Korean Air flights from St. Louis to Vietnam

Explore cheap flight options specifically provided by Korean Air for the route between St. Louis and Vietnam. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Browse through some of the cheapest Korean Air flights traveling from St. Louis to Vietnam. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 6/257:15 amSTL - SGN
2 stops27h 50mKorean Air
Tue 7/911:45 pmSGN - STL
2 stops33h 51mKorean Air
Deal found 5/8$1,832
Sun 6/306:06 amSTL - DAD
2 stops26h 59mKorean Air
Tue 7/163:40 pmDAD - STL
2 stops41h 56mKorean Air
Deal found 5/8$2,182

Cheap St. Louis to Vietnam flights in May & June 2024

Find cheap flight options from St. Louis to Vietnam specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
Check out some of the best flight deals from St. Louis to Vietnam in 2024. Check back in a little while for more flight options.
Thu 5/98:27 amSTL - SGN
2 stops24h 58mUnited Airlines
Thu 5/1610:45 pmSGN - STL
2 stops35h 10mUnited Airlines
Deal found 5/8$1,121
Sat 5/111:00 pmSTL - SGN
2 stops44h 25mUnited Airlines
Sun 5/197:00 amSGN - STL
2 stops26h 09mUnited Airlines
Deal found 5/7$1,129
Sun 5/127:01 amSTL - SGN
2 stops34h 14mJapan Airlines
Tue 5/1411:20 pmSGN - STL
2 stops35h 57mJapan Airlines
Deal found 5/8$1,281
Tue 6/257:15 amSTL - SGN
2 stops27h 50mKorean Air
Tue 7/911:45 pmSGN - STL
2 stops33h 51mKorean Air
Deal found 5/8$1,832
Thu 5/236:02 pmSTL - SGN
2 stops52h 23mCathay Pacific
Fri 6/76:20 pmSGN - STL
2 stops40h 38mCathay Pacific
Deal found 5/8$1,845
Mon 6/106:30 amSTL - SGN
2 stops28h 35mKorean Air
Thu 6/2011:45 pmSGN - STL
2 stops35h 58mKorean Air
Deal found 5/7$1,866
Sun 5/268:25 amSTL - SGN
2 stops25h 00mUnited Airlines
Tue 6/1110:45 pmSGN - STL
2 stops32h 34mUnited Airlines
Deal found 5/7$1,895
Sun 5/129:50 amSTL - SGN
3 stops34h 05mMultiple Airlines
Tue 5/1411:30 amSGN - STL
3 stops35h 16mMultiple Airlines
Deal found 5/8$1,905
Sun 5/268:25 amSTL - SGN
2 stops25h 00mUnited Airlines
Tue 6/1110:45 pmSGN - STL
3 stops53h 40mUnited Airlines
Deal found 5/7$1,917

St. Louis to Vietnam 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Vietnam in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Check out some of the best flight deals from St. Louis to Vietnam in 2024. Check back in a little while for more flight options.
Thu 5/98:27 amSTL - SGN
2 stops24h 58mUnited Airlines
Thu 5/1610:45 pmSGN - STL
2 stops35h 10mUnited Airlines
Deal found 5/8$1,121
Sat 5/111:00 pmSTL - SGN
2 stops44h 25mUnited Airlines
Sun 5/197:00 amSGN - STL
2 stops26h 09mUnited Airlines
Deal found 5/7$1,129
Wed 8/212:34 pmSTL - SGN
2 stops31h 21mMultiple Airlines
Tue 10/223:55 pmSGN - STL
2 stops33h 33mMultiple Airlines
Deal found 5/7$1,172
Tue 8/202:34 pmSTL - SGN
2 stops31h 21mMultiple Airlines
Sat 9/213:55 pmSGN - STL
2 stops33h 38mMultiple Airlines
Deal found 5/6$1,212
Tue 8/209:44 amSTL - SGN
2 stops43h 36mCathay Pacific
Sat 9/2111:25 amSGN - STL
2 stops44h 33mCathay Pacific
Deal found 5/7$1,273
Sat 11/306:45 amSTL - SGN
2 stops41h 05mDelta
Wed 12/188:15 amSGN - STL
2 stops28h 20mDelta
Deal found 5/7$1,274
Sat 11/96:15 amSTL - SGN
3 stops50h 35mUnited Airlines
Sat 12/1411:05 pmSGN - STL
2 stops38h 22mUnited Airlines
Deal found 5/6$1,278
Tue 8/209:30 amSTL - SGN
2 stops23h 55mUnited Airlines
Fri 9/2010:45 pmSGN - STL
2 stops33h 02mUnited Airlines
Deal found 5/8$1,279
Sun 5/127:01 amSTL - SGN
2 stops34h 14mJapan Airlines
Tue 5/1411:20 pmSGN - STL
2 stops35h 57mJapan Airlines
Deal found 5/8$1,281

One-way flights to Vietnam from St. Louis

Search for one-way flight options from St. Louis to Vietnam. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Users traveling one-way from St. Louis to Vietnam can select one of these great deals. Those needing a return flight from St. Louis to Vietnam can use the search form above.
Thu 9/197:30 amSTL - HAN
2 stops46h 35mCathay Pacific
Deal found 5/7$664
Wed 10/22:25 pmSTL - HAN
2 stops31h 45mMultiple Airlines
Deal found 5/7$668
Tue 8/66:45 amSTL - SGN
2 stops27h 20mDelta
Deal found 5/7$676
Thu 9/127:44 amSTL - SGN
2 stops33h 31mAmerican Airlines
Deal found 5/7$678
Thu 9/198:35 pmSTL - HAN
3 stops45h 05mMultiple Airlines
Deal found 5/7$680
Tue 8/65:30 pmSTL - SGN
3 stops42h 15mMultiple Airlines
Deal found 5/7$706
Wed 10/211:36 amSTL - HAN
3 stops46h 24mMultiple Airlines
Deal found 5/7$708
Thu 9/57:31 pmSTL - HAN
2 stops27h 34mMultiple Airlines
Deal found 5/8$709
Thu 9/54:45 pmSTL - HAN
3 stops48h 55mMultiple Airlines
Deal found 5/8$727

Find flights from St. Louis to Vietnam within your budget

Customize your flight search to find flights from St. Louis to Vietnam 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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,212 - $1,982

Route

Depart

Return

Price

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 8/20

2 stops31h 21m

Ho Chi Minh City

Sat 9/21

2 stops33h 38m

$1,212

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sat 10/5

2 stops31h 30m

Ho Chi Minh City

Sat 11/16

2 stops37h 25m

$1,274

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Wed 8/7

2 stops47h 06m

Ho Chi Minh City

Sun 10/13

2 stops35h 07m

$1,278

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 8/20

2 stops23h 55m

Ho Chi Minh City

Fri 9/20

2 stops33h 02m

$1,279

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Thu 10/3

2 stops26h 58m

Hanoi Noibai

Sun 10/6

2 stops28h 37m

$1,418

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Thu 10/3

2 stops36h 35m

Hanoi Noibai

Mon 10/7

2 stops37h 02m

$1,422

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 7/29

2 stops34h 46m

Ho Chi Minh City

Mon 8/19

2 stops35h 32m

$1,545

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 6/25

2 stops27h 50m

Ho Chi Minh City

Tue 7/9

2 stops33h 51m

$1,832

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 10/1

2 stops43h 40m

Ho Chi Minh City

Wed 11/20

2 stops46h 43m

$1,982

Flights are sorted by cheapest first

Deals found on 5/8

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated May 8, 2024.
Read through reviews of airlines operating flights from St. Louis to Vietnam, such as United Airlines, Korean Air and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,181 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Korean Air
8.5
Very good
1,181 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

ANA
8.5
Very good
928 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Japan Airlines
8.3
Very good
1,478 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Delta
8.1
Very good
10,789 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Cathay Pacific
7.8
Good
1,095 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Comfort

8.3

Overall

8.5

Boarding

8.6

Crew

8.8

Food

8.2

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

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.

  • 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 flights from St. Louis to Vietnam for under $1,300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Vietnam for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,212, but on average you can expect to pay $1,474.

  • What are the cheapest airlines to fly from St. Louis to Vietnam one-way?

    $664 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $676 and $678, respectively.

  • 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 - Da Nang or Lambert-St Louis - Hanoi Noibai.

  • 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, Cathay Pacific or Delta.

  • What does STL to SGN mean?

    This is defined as Lambert-St Louis Airport (STL) and Ho Chi Minh City Airport (SGN). Codes like Ho Chi Minh City Airport are often used to just call airports uniquely. Da Nang Airport (DAD), Hanoi Noibai Airport (HAN), Nha Trang Cam Ranh Airport (CXR), Phu Quoc Duong Dang Airport (PQC), Dalat Lien Khuong Intl Airport (DLI) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from St. Louis to Vietnam that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Vietnam flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Vietnam with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Vietnam flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to Vietnam that allow pets onboard?

    Many airlines flying from St. Louis to Vietnam offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Vietnam?

    Yes, you can often find last-minute deals on St. Louis to Vietnam flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Vietnam flight deals updated?

    The St. Louis to Vietnam flight deals you see on this page were last updated on 5/8.

See more FAQs

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Alternative routes for St. Louis to Vietnam
See prices for flight routes from nearby airports that may be better suited for you.

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Top 8 airlines flying from St. Louis to Vietnam

Discover the top 8 airlines that operate flights from St. Louis to Vietnam. 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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$849Average$1,472FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Japan AirlinesCheapest$938Average$1,608FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,014Average$1,505FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapest$1,089Average$1,556FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapest$1,094Average$1,550FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
DeltaCheapest$1,121Average$1,747FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Korean AirCheapest$1,224Average$1,879FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Cathay PacificCheapest$1,274Average$1,689FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
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Search flights from St. Louis to Vietnam by cabin class

Find flights from St. Louis to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Vietnam?

Deals for St. Louis to Vietnam flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Vietnam?

Cheapflights helps you find that perfect flight to Vietnam from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Vietnam with no change fees?

Certainly. Search results for flights to Vietnam from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis to Vietnam become cheaper?

Of course! You can now track prices for flights from St. Louis to Vietnam and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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