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Cheap flights from St. Louis (STL) to Vietnam from $628

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 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
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 Cathay Pacific flights from St. Louis to Vietnam

Explore cheap flight options specifically provided by Cathay Pacific 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 2,637,452 searches. Data last updated May 16, 2024.
Consider these cheap Cathay Pacific flights we've found departing from St. Louis to Vietnam. Make sure to check back often as deals are often changing.
Tue 10/15:30 pmSTL - SGN
2 stops52h 55mCathay Pacific
Thu 11/2111:35 amSGN - STL
2 stops24h 25mCathay Pacific
Deal found 5/15$1,238
Tue 9/101:06 pmSTL - SGN
2 stops33h 19mCathay Pacific
Tue 1/77:35 pmSGN - STL
2 stops41h 19mCathay Pacific
Deal found 5/15$1,664
Thu 5/235:08 pmSTL - SGN
2 stops60h 12mCathay Pacific
Fri 6/76:20 pmSGN - STL
2 stops40h 38mCathay Pacific
Deal found 5/16$1,889

Cheap Delta flights from St. Louis to Vietnam

Explore cheap flight options specifically provided by Delta 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 2,637,452 searches. Data last updated May 16, 2024.
Browse through some of the cheapest Delta 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.
Sat 10/511:51 amSTL - SGN
2 stops46h 14mDelta
Wed 11/208:15 amSGN - STL
2 stops26h 16mDelta
Deal found 5/16$1,274
Fri 9/610:10 amSTL - DAD
2 stops39h 30mDelta
Mon 9/2310:50 pmDAD - STL
2 stops34h 41mDelta
Deal found 5/15$1,374
Mon 9/96:45 amSTL - DAD
2 stops26h 20mDelta
Mon 9/2310:50 pmDAD - STL
2 stops56h 19mDelta
Deal found 5/15$1,381
Sat 9/72:05 pmSTL - SGN
2 stops34h 30mDelta
Wed 1/811:10 pmSGN - STL
2 stops37h 28mDelta
Deal found 5/15$1,509
Fri 9/66:00 amSTL - SGN
2 stops28h 05mDelta
Sun 1/511:10 pmSGN - STL
2 stops37h 28mDelta
Deal found 5/15$1,667
Sat 8/37:15 amSTL - DAD
2 stops25h 50mDelta
Mon 8/1210:50 pmDAD - STL
2 stops34h 39mDelta
Deal found 5/15$2,231
Tue 5/216:11 amSTL - DAD
2 stops26h 54mDelta
Wed 5/293:40 pmDAD - STL
2 stops44h 00mDelta
Deal found 5/15$2,371
Sat 6/86:30 amSTL - DAD
2 stops26h 35mDelta
Mon 6/1710:50 pmDAD - STL
2 stops26h 25mDelta
Deal found 5/15$2,706
Wed 5/226:11 amSTL - DAD
2 stops26h 54mDelta
Tue 5/2810:50 pmDAD - STL
2 stops48h 58mDelta
Deal found 5/15$2,745

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 2,637,452 searches. Prices were last updated on May 16, 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.
Sun 5/194:05 pmSTL - SGN
3 stops28h 25mMultiple Airlines
Fri 5/242:35 amSGN - STL
3 stops29h 55mMultiple Airlines
Deal found 5/15$1,540
Sun 5/191:40 pmSTL - SGN
2 stops30h 15mQatar Airways
Sat 5/259:35 amSGN - STL
2 stops47h 20mQatar Airways
Deal found 5/15$1,740
Thu 5/231:40 pmSTL - SGN
2 stops30h 15mQatar Airways
Fri 6/79:35 amSGN - STL
2 stops59h 32mQatar Airways
Deal found 5/15$1,834
Tue 6/255:31 pmSTL - SGN
2 stops34h 54mTurkish Airlines
Tue 7/910:05 pmSGN - STL
2 stops29h 35mTurkish Airlines
Deal found 5/15$1,851
Thu 5/235:08 pmSTL - SGN
2 stops60h 12mCathay Pacific
Fri 6/76:20 pmSGN - STL
2 stops40h 38mCathay Pacific
Deal found 5/16$1,889
Sun 5/191:40 pmSTL - SGN
2 stops30h 15mMultiple Airlines
Fri 5/242:35 amSGN - STL
3 stops29h 55mMultiple Airlines
Deal found 5/15$1,968
Tue 6/254:05 pmSTL - SGN
3 stops29h 00mMultiple Airlines
Tue 7/96:05 pmSGN - STL
3 stops33h 01mMultiple Airlines
Deal found 5/15$2,015
Tue 6/116:30 amSTL - SGN
2 stops43h 05mKorean Air
Tue 6/181:55 pmSGN - STL
2 stops44h 00mKorean Air
Deal found 5/14$2,068
Sun 6/96:00 amSTL - DAD
2 stops27h 05mKorean Air
Mon 6/173:40 pmDAD - STL
2 stops33h 46mKorean Air
Deal found 5/15$2,118

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 2,637,452 searches. Data last updated May 16, 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.
Wed 8/212:34 pmSTL - SGN
2 stops31h 21mMultiple Airlines
Tue 10/223:55 pmSGN - STL
2 stops33h 33mMultiple Airlines
Deal found 5/15$1,171
Sun 11/102:24 pmSTL - HAN
2 stops31h 36mMultiple Airlines
Sun 11/2412:00 pmHAN - STL
2 stops24h 59mMultiple Airlines
Deal found 5/16$1,218
Tue 10/15:30 pmSTL - SGN
2 stops52h 55mCathay Pacific
Thu 11/2111:35 amSGN - STL
2 stops24h 25mCathay Pacific
Deal found 5/15$1,238
Mon 11/117:23 pmSTL - HAN
2 stops33h 57mMultiple Airlines
Fri 11/2211:05 amHAN - STL
2 stops24h 55mMultiple Airlines
Deal found 5/16$1,246
Thu 9/192:34 pmSTL - HAN
2 stops32h 31mMultiple Airlines
Wed 10/96:00 pmHAN - STL
2 stops31h 28mMultiple Airlines
Deal found 5/16$1,247
Thu 11/147:23 pmSTL - SGN
2 stops26h 12mCathay Pacific
Mon 11/1811:35 amSGN - STL
2 stops24h 25mCathay Pacific
Deal found 5/15$1,247
Sun 9/82:34 pmSTL - DAD
2 stops30h 11mMultiple Airlines
Sun 9/229:55 amDAD - STL
2 stops26h 04mMultiple Airlines
Deal found 5/15$1,248
Sat 10/55:05 pmSTL - SGN
2 stops42h 00mDelta
Sat 11/161:55 pmSGN - STL
2 stops44h 36mDelta
Deal found 5/16$1,274
Sun 11/106:22 amSTL - HAN
2 stops48h 18mQatar Airways
Sat 11/231:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/16$1,278

St. Louis to Vietnam flights leaving soon

Find last-minute flight options from St. Louis to Vietnam for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users seeking a last-minute flight from St. Louis to Vietnam should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 5/231:40 pmSTL - SGN
2 stops30h 15mQatar Airways
Fri 6/79:35 amSGN - STL
2 stops59h 32mQatar Airways
Deal found 5/15$1,834
Thu 5/235:08 pmSTL - SGN
2 stops60h 12mCathay Pacific
Fri 6/76:20 pmSGN - STL
2 stops40h 38mCathay Pacific
Deal found 5/16$1,889
Tue 5/2111:10 amSTL - DAD
2 stops37h 50mANA
Tue 5/2812:05 amDAD - STL
2 stops33h 42mANA
Deal found 5/15$2,292
Tue 5/216:11 amSTL - DAD
2 stops26h 54mDelta
Wed 5/293:40 pmDAD - STL
2 stops44h 00mDelta
Deal found 5/15$2,371
Tue 5/218:05 amSTL - DAD
2 stops40h 55mANA
Mon 5/2712:05 amDAD - STL
2 stops50h 09mANA
Deal found 5/15$2,449
Tue 5/2111:10 amSTL - DAD
2 stops37h 50mANA
Sun 5/2612:05 amDAD - STL
2 stops48h 08mANA
Deal found 5/15$2,461
Wed 5/226:11 amSTL - DAD
2 stops26h 54mKorean Air
Wed 5/2912:05 amDAD - STL
2 stops35h 35mKorean Air
Deal found 5/15$2,526
Tue 5/216:11 amSTL - DAD
2 stops26h 54mKorean Air
Thu 5/3010:50 pmDAD - STL
2 stops26h 18mKorean Air
Deal found 5/15$2,531
Tue 5/2111:10 amSTL - DAD
2 stops37h 50mANA
Sat 5/2512:05 amDAD - STL
2 stops33h 42mANA
Deal found 5/15$2,604

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 2,637,452 searches. Data last updated May 16, 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 5/16$628
Thu 9/196:18 pmSTL - HAN
3 stops51h 37mMultiple Airlines
Deal found 5/16$720
Mon 7/88:01 amSTL - SGN
2 stops33h 14mAmerican Airlines
Deal found 5/15$785
Mon 7/12:41 pmSTL - SGN
3 stops58h 19mMultiple Airlines
Deal found 5/16$909
Sun 6/3012:45 pmSTL - SGN
3 stops39h 40mMultiple Airlines
Deal found 5/16$915
Sun 6/306:06 amSTL - SGN
2 stops28h 59mDelta
Deal found 5/16$933
Sat 6/2912:15 pmSTL - SGN
3 stops40h 10mMultiple Airlines
Deal found 5/16$975
Mon 7/16:30 amSTL - SGN
2 stops42h 05mDelta
Deal found 5/16$1,008
Sat 6/295:25 pmSTL - SGN
2 stops40h 40mDelta
Deal found 5/16$1,176

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,171 - $1,851

Route

Depart

Return

Price

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Wed 8/21

2 stops31h 21m

Ho Chi Minh City

Tue 10/22

2 stops33h 33m

$1,171

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 10/1

2 stops52h 55m

Ho Chi Minh City

Thu 11/21

2 stops24h 25m

$1,238

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Sat 10/5

2 stops46h 14m

Ho Chi Minh City

Wed 11/20

2 stops26h 16m

$1,274

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Sun 11/10

2 stops48h 18m

Hanoi Noibai

Sat 11/23

2 stops32h 51m

$1,278

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 8/20

3 stops40h 07m

Ho Chi Minh City

Fri 9/20

2 stops33h 02m

$1,278

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Fri 9/6

2 stops27h 10m

Ho Chi Minh City

Thu 1/9

2 stops24h 22m

$1,457

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 7/23

2 stops33h 14m

Ho Chi Minh City

Mon 8/5

2 stops35h 32m

$1,645

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Sun 11/10

2 stops26h 06m

Hanoi Noibai

Tue 11/26

2 stops31h 21m

$1,647

Lambert-St LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 6/25

2 stops34h 54m

Ho Chi Minh City

Tue 7/9

2 stops29h 35m

$1,851

Flights are sorted by cheapest first

Deals found on 5/15

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 16, 2024.
Read through reviews of airlines operating flights from St. Louis to Vietnam, such as Cathay Pacific, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Korean Air
8.5
Very good
1,171 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

ANA
8.5
Very good
921 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Asiana Airlines
8.4
Very good
577 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Japan Airlines
8.3
Very good
1,472 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Delta
8.0
Very good
10,673 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

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 $1,200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Vietnam for under $1,200. The cheapest flight booked recently is on Multiple Airlines for just $1,171, but on average you can expect to pay $1,291.

  • Are there last-minute flights available from St. Louis to Vietnam for under $1,900?

    There are currently 20+ open flights from St. Louis to Vietnam within the next 7 days for less than $1,900.

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

    $628 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 American Airlines and Delta, with prices starting from $785 and $933, 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 5/16.

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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$843Average$1,472FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Japan AirlinesCheapest$938Average$1,608FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,015Average$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$1,571FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
DeltaCheapest$1,121Average$1,747FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Korean AirCheapest$1,224Average$1,883FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Cathay PacificCheapest$1,266Average$1,677FlexibilityNo 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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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.

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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?

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

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