$534+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SGN
Mar 9 — Mar 161
1 adult, Economy
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Find cheap flights from St. Louis to Vietnam with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 March 4, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $988 (Gurufare) |
One-way from | $534 (Gurufare) |
Popular in | June |
Cheapest in | April |
Average price | $1,271 |
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 March 4, 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 March 4, 2025.
This Gurufare deal was found by Cheapflights users on 3/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/159:39 amSTL - SGN
2 stops26h 36mANA
Tue 5/2011:15 pmSGN - STL
2 stops28h 34mANA
Deal found 3/3![ANA logo]()
$988
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2111:15 amSTL - SGN
2 stops24h 00mDelta
Tue 5/137:35 amSGN - STL
2 stops28h 03mDelta
Deal found 3/2![Delta logo]()
$991
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/216:30 amSTL - SGN
2 stops27h 25mUnited Airlines
Thu 5/157:00 amSGN - STL
2 stops27h 45mUnited Airlines
Deal found 3/2![United Airlines logo]()
$1,000
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:35 amSTL - SGN
2 stops28h 10mAmerican Airlines
Wed 10/88:20 amSGN - STL
2 stops23h 41mAmerican Airlines
Deal found 3/2![American Airlines logo]()
$1,003
This Fareboom deal was found by Cheapflights users on 3/2. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:55 pmSTL - SGN
2 stops32h 45mEVA Air
Tue 10/141:50 amSGN - STL
2 stops58h 06mEVA Air
Deal found 3/2![EVA Air logo]()
$1,024
This Expedia deal was found by Cheapflights users on 3/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/243:11 pmSTL - SGN
2 stops37h 39mMultiple Airlines
Mon 4/145:30 pmSGN - STL
2 stops32h 45mMultiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$1,070
This FlightHub deal was found by Cheapflights users on 3/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/812:00 pmSTL - HAN
2 stops31h 15mQatar Airways
Tue 4/298:45 amHAN - STL
2 stops50h 48mQatar Airways
Deal found 3/4![Qatar Airways logo]()
$1,136
This United deal was found by Cheapflights users on 3/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:00 amSTL - HAN
2 stops28h 05mUnited Airlines
Wed 5/1411:35 pmHAN - STL
2 stops35h 10mUnited Airlines
Deal found 3/3![United Airlines logo]()
$1,238
This Fareboom deal was found by Cheapflights users on 3/4. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/233:25 pmSTL - SGN
2 stops33h 30mEmirates
Sun 4/611:50 pmSGN - STL
2 stops34h 19mEmirates
Deal found 3/4![Emirates logo]()
$1,294
This FlightHub deal was found by Cheapflights users on 3/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:15 amSTL - HAN
2 stops47h 50mCathay Pacific
Tue 4/2910:55 amHAN - STL
2 stops23h 33mCathay Pacific
Deal found 3/3![Cathay Pacific logo]()
$1,359
This Delta deal was found by Cheapflights users on 3/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:00 amSTL - DAD
2 stops43h 40mDelta
Wed 6/1110:55 pmDAD - STL
2 stops48h 37mDelta
Deal found 3/3![Delta logo]()
$1,451
This Priceline deal was found by Cheapflights users on 3/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:23 amSTL - SGN
2 stops26h 22mJapan Airlines
Thu 8/711:05 pmSGN - STL
2 stops35h 52mJapan Airlines
Deal found 3/2![Japan Airlines logo]()
$1,512
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 2,558,603 searches. Data last updated March 4, 2025.
Fly from
St. Louis
Fly to
Vietnam
Route
Depart
Return
Price
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Tue 4/15
9:39 am-12:15 am
2 stops26h 36m
Ho Chi Minh City
Tue 5/20
11:15 pm-3:49 pm
2 stops28h 34m
$988
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Mon 4/21
6:00 am-11:15 pm
2 stops29h 15m
Ho Chi Minh City
Mon 5/12
11:45 pm-11:10 pm
2 stops35h 25m
$991
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Mon 4/21
6:30 am-9:55 pm
2 stops27h 25m
Ho Chi Minh City
Thu 5/15
7:00 am-10:45 pm
2 stops27h 45m
$1,000
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Tue 4/1
3:11 pm-11:40 am
2 stops32h 29m
Ho Chi Minh City
Sun 5/11
1:50 am-11:59 pm
2 stops58h 09m
$1,048
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Mon 3/24
3:11 pm-4:50 pm
2 stops37h 39m
Ho Chi Minh City
Mon 4/14
5:30 pm-2:15 pm
2 stops32h 45m
$1,070
St. LouisHanoi
STL - HAN
STLHAN
Lambert-St Louis
Tue 4/8
12:00 pm-7:15 am
2 stops31h 15m
Hanoi Noibai
Tue 4/29
8:45 am-11:33 pm
2 stops50h 48m
$1,136
St. LouisHanoi
STL - HAN
STLHAN
Lambert-St Louis
Tue 3/18
7:00 am-11:05 pm
2 stops28h 05m
Hanoi Noibai
Wed 5/14
11:35 pm-10:45 pm
2 stops35h 10m
$1,238
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Sun 3/23
3:25 pm-12:55 pm
2 stops33h 30m
Ho Chi Minh City
Sun 4/6
11:50 pm-10:09 pm
2 stops34h 19m
$1,294
St. LouisHanoi
STL - HAN
STLHAN
Lambert-St Louis
Thu 4/10
6:15 am-6:05 pm
2 stops47h 50m
Hanoi Noibai
Tue 4/29
10:55 am-10:28 pm
2 stops23h 33m
$1,359
St. LouisDa Nang
STL - DAD
STLDAD
Lambert-St Louis
Wed 5/14
6:00 am-1:40 pm
2 stops43h 40m
Da Nang
Wed 6/11
10:55 pm-11:32 am
2 stops48h 37m
$1,451
Showing 1-10 of 37 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.
Travel insights for flights from St. Louis to Vietnam
Get recent, data-driven insights about flights from St. Louis to Vietnam including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from St. Louis to Vietnam?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Vietnam (average of $936). Flying from St. Louis to Vietnam in June is currently the most expensive (average of $1,610). 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?
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 March 4, 2025.
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.
Rainfall in Vietnam by month
Plan your trip to Vietnam by taking into account the average rainfall totals by month.
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.
Temperature in Vietnam by month
Plan your trip to Vietnam by taking into account the average temperature totals by month.
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).
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 March 4, 2025.
Read through reviews of airlines operating flights from St. Louis to Vietnam, such as EVA Air, Korean Air and ANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.4
Entertainment
8.0
Comfort
8.3
Overall
8.4
Food
8.0
Crew
8.6
Reviews
1 / 20
6.0
Anonymous,Feb 2025
SFO - TPE
Boarding
8.4
Entertainment
8.0
Comfort
8.3
Overall
8.4
Food
8.0
Crew
8.6
Reviews
1 / 20
6.0
Anonymous,Feb 2025
SFO - TPE
Boarding
8.4
Entertainment
8.0
Comfort
8.3
Overall
8.4
Food
8.0
Crew
8.6
Reviews
1 / 20
6.0
Anonymous,Feb 2025
SFO - TPE
Boarding
8.4
Entertainment
8.0
Comfort
8.3
Overall
8.4
Food
8.0
Crew
8.6
Reviews
1 / 20
6.0
Anonymous,Feb 2025
SFO - TPE
Boarding
8.4
Entertainment
8.0
Comfort
8.3
Overall
8.4
Food
8.0
Crew
8.6
Reviews
1 / 20
6.0
Anonymous,Feb 2025
SFO - TPE
Boarding
8.4
Entertainment
8.0
Comfort
8.3
Overall
8.4
Food
8.0
Crew
8.6
Reviews
1 / 20
6.0
Anonymous,Feb 2025
SFO - TPE
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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Alternative routes for St. Louis to Vietnam
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated March 4, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,021 | Average$1,277 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,034 | Average$1,289 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,065 | Average$1,076 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,070 | Average$1,244 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,116 | Average$1,535 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,123 | Average$1,220 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,139 | Average$2,094 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,246 | Average$1,359 | FlexibilityNo cancel fee | On-time72% |