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Find cheap flights from St. Louis to Vietnam from $678

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Vietnam departing on 8/4. 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.
1 adult
0 bags
Fri 7/5
Fri 7/12

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Best Vietnam Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Ho Chi Minh City
Ho Chi Minh City2 stops$960
Hanoi
Hanoi2 stops$1,276
Da Nang
Da Nang2 stops$1,724

Good to know

Low season

December

High season

January

Cheapest flight

$678
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from St. Louis to Ho Chi Minh City

FAQs - booking Vietnam flights

  • How does KAYAK find such low prices on flights from St. Louis to Vietnam?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Vietnam.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Vietnam?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vietnam from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Vietnam?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Vietnam with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Vietnam?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Vietnam from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Vietnam

  • Morning departure is around 43% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from St. Louis to Vietnam

Need help choosing which airline to fly with from St. Louis to Vietnam? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
ANAOverall score based on 911 reviews
8.8Crew
7.8Food
8.3Comfort
8.6Boarding
8.0Entertainment
Airline reviews

Excellent. All the ticket prices have gone up so much. With only economy as the option, I thought I better pay for a good airline and I am glad I took ANA. The only thing is the long layover at Hanaeda enroute to Singapore. Any chance to bring back the service to land at Narita instead for the transit and a shorter layover will be fantastic. I am a fan of ANA.

10.0 ExcellentLay, May 2024IAD - HND
Read more about ANA reviews

Excellent. All the ticket prices have gone up so much. With only economy as the option, I thought I better pay for a good airline and I am glad I took ANA. The only thing is the long layover at Hanaeda enroute to Singapore. Any chance to bring back the service to land at Narita instead for the transit and a shorter layover will be fantastic. I am a fan of ANA.

Flying with ANA is always a breeze. Seats are very comfortable.

Flight was on time and the crew was as expected, friendly and respectful. Food could’ve been better though.

First I will say this was really NOT an ANA flight. ANA used a UNITED jet to perform this flight. I specifically booked with ANA because I did NOT WANT TO FLY UNITED FOR INTERNATIONAL FLIGHTS. So to spend $1800.00 and then discover after booking that it was going to be handled by United was very disappointing. I will be more careful next time when I book. The interior was very cramped in economy class; the dinner meal was terrible and also had extremely small portions for an international flight - the bread roll was ice cold and stale - that salad was very wilted; I’ve never had a “snack” that was so salty that it was difficult to eat; the breakfast “waffle” was practically unrecognizable. Really horrible meals for a very expensive international flight. Bathroom floor was also pretty dirty. I’m hoping my return flight is a real ANA airplane that is cleaned and serviced by ANA personnel with ANA meals. I will never book with ANA again if they continue to use UNITED airline jets. Yuck!!!🤢

Ticket was purchased as a United Airlines flight (operated by All Nippon) like what does that even mean? Makes for a VERY confusing flight experience. For instance, what do I look for a United drop off signage and ticket counter or ANA? No explanation anywhere to be found. I also felt a little bit scammed by the obsurdely restrictive seat selection provided. Only middle seats available!! Are you kidding me!! On 6hr + 10hr flights you're forcing me into the middle seat without telling me before I purchased the ticket?? This should be illegal. And to top it off, on the Tokyo LA leg there were quite a few empty seats including window seats! I must also say, the food was a dissappointing as well for my taste, fish with rice ( mostly plain white rice) or a vegetable medly for the breakfast meal? Should be at least 4 choices and at least 1 with eggs. Outside of these issues flight was otherwise ok.

This is a very long flight and the first time I have flown on a Japanese airline. I was very impressed with the staff. They worked hard and offered food and drink regularly. Plane was very well cared for. The let room was good . Food was ok but better than other airlines.

It was very nice. I was a bit disappointed by the few meal services. There were probably more drink services that I missed while sleeping, but I would have liked the crew to bring more than one drink service before landing and to bring more than one drink service and coffee service after take off

I wish the serve should leach and drink. Maybe because only 2hr

It was ok I thought because my flight was 1pm i was expecting to have lunch but it didn’t and after 7 hr finally dinner time was only chicken sandwich and next breakfast was an hour before plane land in Tokyo. so I should bring some food with me. Japanese flight attend was nice but the other was chewing gum and how she ask and respond to customers was not professional I felt. Maybe because Japan flight attendant is highly train and everyone looked very dress and professional so I was kind disappointed. I like that the bathroom was very clean .

Seat was roomy enough . The Asian selection for a meal was good . The tortellini was not very good. Service was excellent. O

Overall mediocre-good, with the service on the flight operated by American Airlines being subpar and not the kind and standard you’d get from a Japan Airlines crew. The majority of the stewards on AA were not as gentle and friendly as those from Japan Airlines. Japan Airlines were more attentive to detail and your flight experience. AA was more interested in completing their tasks.

Very pleasant, look forward to flying with JAL again if the price is right.

All of the JAL flights in this itinerary were great. However the last leg of my flight from LAX to SFO was through Japan Air’s partner, AA which wqsn’t up to par. We were informed only minutes before boarding time of a delay despite the airlines knowing about the delay far earlier (the aircraft we would be taking arriving arrived and disembarked close to our boarding time, for all to see but AA still kept the original boarding time posted until last minute). Furthermore, once we boarded the taxi/wait time was also extended, with the pilot blaming “construction at SFO” for the delay, rather than taking accountability for the the plane’s late arrival coming into LAX. We took off approximately an hour later than scheduled. It’s for these reasons I adamantly avoid American Airlines when possible. Again, JAL was stellar.

I like the braised beef., miso soup,, and green tea. Very little choices of hollywood movies. The PA announcement in English was not very clear and very soft. I could hardly hear.

More updated movies & Chinese movies. The food sometimes overcooked. Prefer to have more neat snacks in between than just choose from the menu. Please change the menu every now and then. This is my second time flying within one year and the menu didn’t change at all!

Food is lagging. Very poor choice. Like vending machine fast food.

Please change the menu more often. The beef is not tender, more choice in ice cream flavor. Dessert is not good too.

First of all I had dozed off. And when I woke up, my food was on a tray without telling me the food was there or asking me if I wanted something to drink. They never came back to ask me if I wanted anything to drink and I tried to stop them several times. I personally have a problem swallowing food without something to drink with it. so therefore I could not eat., second thing for the entertainment. There was no place to plug the headset in because the tip had been broken off into the monitor to where you couldn’t even watch a movie or hear any music that was annoying .

Again I paid for an upgrade on my credit card didn’t get it need a refund. . American I not good at gettin in contact for refunds.

I didn’t like the check in process I had to check in at the counter took too much time . Didn’t give the upgrade my seat .

It was good until there was a 3 hour delay because there was not any pilots to fly the plane.

There was plenty of overhead room but half of the passengers were told they had to check their carryon bags. My partner and I checked in as early as possible and our seats were split across the aisle.

Friendly flight attendants. Comfort plus seats were very comfortable and had lots of leg room. 10A and 10 B.

I've flown many many times on Northwest and then Delta. The crew on this flight were absolutely the best I've had the pleasure of being looked after by.

Flew first class so everything was great. But maybe because the flights were red eye, no meals were served, just chips. I flew Alaska Air 1st class at 9PM (2 hour flight) and they served beef short rib sliders!

Had to change aircraft due to a faulty door. Surprisingly it only caused about an hour and a half of delay. Delta handled this situation as well as can be expected.

Awful. Flight was continuously getting delayed and gates kept changing without any reason. Flight was delayed for more then 3 hours

Paid premium for Delta only to be on safe but tired old 767 with ancient cabin in mediocre condition. Poor wifi and horrible inflight entertainment. Hardly a premium experience. Should have flown SW and had fun flight crew and no pretense

Our flight to Zurich was delayed by almost 3 hours, so we missed our next flight. There was no indication it would be delayed this much. We were told the gate had changed and then it apparently took over 2 hours to load the "catering" on the plane. We were not compensated in any way for the trouble.

Rated entertainment as Mediocre as there were major problems with the Infotainment system that took probably a half hour for them to fix.

My window shade didn’t work. So I missed coming into my city. ☹️

Flight was delayed in the gate by 5 hours and ultimately cancelled- rebooking service by United agents was terrible

Everything was pretty good except for food. They need to improve on it compared to other airlines.

Flight was delayed due to the late arrival of the catering truck, which is quite unacceptable. There was a beverage service, but no pretzel, or cookie, or nuts were served in coach.

Not worth the premium paid for the first class ticket

Not worth the price of premium class ticket paid, felt more like steerage.

Flighty delayed on boarding - then group 1 had to check their carry on bags but groups 3 and beyond could carry bags on - very inconvenient for weekend business trip with no checked baggage. Then delayed on the runway - before take off. No communication from pilot on why or how long. Wifi/Entertainment didn't work for 4+ flight. Upon arrival, attendants announced wrong carousel for baggage claim - everyone was waiting at the wrong place for their checked bags. This was a mess united!

I flew Delta last week and United Airlines is a poor substitute mechanical problems with the plane and shitty food among other things made my travel experience what’s become to be expected from United no way is it ever worth the money they make us pay

I had a great flight. Everything went smoothly and the flight arrived early.

Well....let's start from the point that I had to stay in airport for 12 hours instead of 2 that was scheduled. Poor company and even worst customer service. Never again....

Terrible. I didn’t fly and I had an important meeting the next day.

Missed this flight due to the first AA flight delay

Equipment swap led to 2+ hour delay on international flight. And to top it off, boarding took forever.

Wretched scheduling - they got themselves into a critical crew situation and didn’t try to address it until 15 minutes before they had to cancel my flight

They cancelled two flight and got us onto another airline, which was also delayed.

Nothing, terrible travel experience due to weather and maintenance delays and was left stranded in Austin.

Missed connection from Philadelphia to London because flight from DC was seriously delayed. Was re-routed the next day (had to pay for hotel) to Zurich and was given a main cabin middle seat while I had paid for premium. Great job AA!!!

My husband and I pre-ordered our food, but they did not have my husband’s order, and my cheese plate was very average. I asked for a blanket and was told they don’t carry blankets on domestic routs. The flight was on time and smooth!

28 hour delay at Fort Worth/Dallas airport, part due to weather which was unavoidable, but various other reasons - no pilot, no fa, mechanical problem, plane too small, too big, crew out of flying time, seat configuration problems.... endless and hourly updates with a different excuse. Finally told us about 3.00 am, that the flight was delayed to hours later.

Experience was bad. 3.5 hour delay for a 2.5 hour trip. There was no r Transparency about the reason for the delay and it was done 30 mins at a time.

Book cheap flights from St. Louis to Vietnam

Recent round-trip flight deals

8/20Tue
2 stopsANA
49h 20mSTL-SGN
10/14Mon
2 stopsANA
29h 37mSGN-STL
$960
9/16Mon
2 stops
28h 09mSTL-SGN
9/26Thu
2 stops
33h 30mSGN-STL
$1,161
9/24Tue
2 stops
33h 06mSTL-SGN
10/30Wed
2 stops
36h 42mSGN-STL
$1,171
8/21Wed
2 stopsAmerican Airlines
35h 15mSTL-SGN
9/22Sun
2 stopsAmerican Airlines
35h 50mSGN-STL
$1,278
9/18Wed
2 stopsUnited Airlines
26h 10mSTL-SGN
9/28Sat
3 stopsUnited Airlines
53h 37mSGN-STL
$1,295
9/10Tue
2 stopsUnited Airlines
42h 27mSTL-SGN
10/15Tue
3 stopsUnited Airlines
53h 37mSGN-STL
$1,303
8/6Tue
2 stopsJapan Airlines
33h 11mSTL-SGN
8/12Mon
2 stopsJapan Airlines
35h 32mSGN-STL
$1,624
9/20Fri
2 stopsDelta
26h 59mSTL-DAD
9/28Sat
2 stopsDelta
41h 07mDAD-STL
$1,724
7/7Sun
2 stopsJapan Airlines
58h 46mSTL-SGN
7/14Sun
2 stopsJapan Airlines
35h 57mSGN-STL
$1,850
9/18Wed
3 stopsAmerican Airlines
27h 45mSTL-SGN
9/28Sat
3 stopsAmerican Airlines
27h 00mSGN-STL
$4,013

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Recent one-way flight deals

8/4Sun
2 stopsAmerican Airlines
34h 15mSTL-SGN
$678
11/20Wed
2 stopsUnited Airlines
27h 05mSTL-HAN
$680
11/20Wed
2 stopsANA
27h 50mSTL-HAN
$694
8/5Mon
3 stops
41h 03mSTL-DAD
$700
8/10Sat
2 stops
33h 14mSTL-DAD
$709
8/11Sun
3 stops
50h 30mSTL-DAD
$781
7/7Sun
2 stopsAmerican Airlines
28h 23mSTL-SGN
$787
8/5Mon
2 stopsDelta
37h 59mSTL-DAD
$825
8/11Sun
2 stopsDelta
26h 59mSTL-DAD
$932
6/10Mon
2 stopsQatar Airways
30h 18mSTL-SGN
$3,314

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Last minute flights from St. Louis to Vietnam

Last minute flight, train and bus deals

6/10Mon
multi-stopTurkish Airlines
34h 54mSTL-SGN
6/25Tue
multi-stopTurkish Airlines
29h 36mSGN-STL
$1,840
6/7Fri
multi-stopUnited Airlines
27h 17mSTL-SGN
6/9Sun
multi-stopUnited Airlines
34h 59mSGN-STL
$2,026
6/9Sun
multi-stopQatar Airways
27h 07mSTL-SGN
6/18Tue
multi-stopQatar Airways
59h 32mSGN-STL
$2,041
6/7Fri
multi-stopUnited Airlines
27h 17mSTL-SGN
6/9Sun
multi-stopUnited Airlines
53h 40mSGN-STL
$2,049
6/7Fri
multi-stop
36h 00mSTL-SGN
6/9Sun
multi-stop
31h 31mSGN-STL
$2,059
6/10Mon
multi-stopUnited Airlines
26h 55mSTL-SGN
6/25Tue
multi-stopUnited Airlines
53h 43mSGN-STL
$2,496
6/9Sun
multi-stop
27h 40mSTL-SGN
6/17Mon
multi-stop
52h 15mSGN-STL
$2,765
6/10Mon
multi-stopAmerican Airlines
28h 33mSTL-SGN
6/25Tue
multi-stopAmerican Airlines
26h 02mSGN-STL
$4,518
6/10Mon
multi-stopQatar Airways
32h 38mSTL-SGN
6/17Mon
multi-stopQatar Airways
35h 17mSGN-STL
$5,473
6/8Sat
multi-stopANA
29h 15mSTL-SGN
6/10Mon
multi-stopANA
25h 28mSGN-STL
$15,235

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St. Louis - Vietnam Flights

Departure:

St. Louis (STL)United States

Return flight deals:

Vietnam - St. Louis

Cabin classes: