$589+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
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 May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,199 (EVA Air) |
One-way from | $589 (Delta) |
Popular in | June |
Cheapest in | September |
Average price | $1,727 |
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 May 1, 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 May 1, 2025.
This Gurufare deal was found by Cheapflights users on 4/29. 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.
This United Airlines deal was found by Cheapflights users on 4/30. 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.
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This EVA Air deal was found by Cheapflights users on 4/30. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/30. 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.
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/30. 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.
This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Asiana Airlines deal was found by Cheapflights users on 4/30. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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 May 1, 2025.
Use the filters below to find and compare flights from St. Louis to Vietnam that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisDa Nang
STL - DAD
STLDAD
Lambert-St Louis
Mon 8/11
7:32 pm-11:35 am
2 stops28h 03m
Da Nang
Mon 8/25
12:55 pm-2:39 pm
2 stops37h 44m
St. LouisHanoi
STL - HAN
STLHAN
Lambert-St Louis
Fri 7/11
6:00 am-10:15 pm
2 stops28h 15m
Hanoi Noibai
Fri 8/22
11:30 pm-4:53 pm
2 stops29h 23m
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Tue 7/1
6:41 am-9:45 pm
2 stops27h 04m
Ho Chi Minh City
Thu 7/10
11:35 pm-11:59 pm
2 stops36h 24m
St. LouisHanoi
STL - HAN
STLHAN
Lambert-St Louis
Mon 7/21
1:20 pm-10:15 pm
2 stops44h 55m
Hanoi Noibai
Mon 8/4
5:50 pm-11:59 pm
2 stops42h 09m
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Tue 7/1
7:32 pm-9:55 am
2 stops26h 23m
Ho Chi Minh City
Wed 7/9
1:50 am-11:59 pm
2 stops58h 09m
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Fri 5/23
6:00 am-8:25 pm
2 stops50h 25m
Ho Chi Minh City
Fri 5/30
6:20 pm-11:04 pm
2 stops40h 44m
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Mon 6/2
1:30 pm-12:15 am
2 stops46h 45m
Ho Chi Minh City
Wed 6/11
7:00 am-7:58 pm
2 stops24h 58m
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Tue 7/1
1:42 pm-12:15 am
2 stops46h 33m
Ho Chi Minh City
Thu 7/10
7:00 am-4:45 pm
3 stops45h 45m
St. LouisHo Chi Minh City
STL - SGN
STLSGN
Lambert-St Louis
Sun 6/8
6:00 am-11:15 pm
2 stops29h 15m
Ho Chi Minh City
Thu 6/26
7:35 am-8:39 am
2 stops37h 04m
St. LouisHanoi
STL - HAN
STLHAN
Lambert-St Louis
Mon 7/21
9:15 am-10:00 pm
2 stops24h 45m
Hanoi Noibai
Mon 8/4
11:35 pm-11:59 pm
3 stops36h 24m
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.
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, March is the cheapest month in which you can book a flight from St. Louis to Vietnam (average of $921). Flying from St. Louis to Vietnam in June is currently the most expensive (average of $1,538). 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 May 1, 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 May 1, 2025.
Overall
Boarding
Food
Crew
Comfort
Entertainment
Reviews
Dale,Apr 2025
SFO - TPE
Overall
Boarding
Food
Crew
Comfort
Entertainment
Reviews
Dale,Apr 2025
SFO - TPE
Overall
Boarding
Food
Crew
Comfort
Entertainment
Reviews
Dale,Apr 2025
SFO - TPE
Overall
Boarding
Food
Crew
Comfort
Entertainment
Reviews
Dale,Apr 2025
SFO - TPE
Overall
Boarding
Food
Crew
Comfort
Entertainment
Reviews
Dale,Apr 2025
SFO - TPE
Overall
Boarding
Food
Crew
Comfort
Entertainment
Reviews
Dale,Apr 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$990 | Average$1,436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$993 | Average$1,262 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$994 | Average$1,224 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$996 | Average$1,281 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,065 | Average$1,076 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,070 | Average$1,215 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,124 | Average$2,119 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,246 | Average$1,359 | FlexibilityNo cancel fee | On-time72% |