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Find cheap flights from Missouri to Vietnam from $664

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Missouri to Vietnam 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.
1 adult
0 bags
Fri 6/7
Fri 6/14

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

August

High season

February

Cheapest flight

$664
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from St. Louis to Hanoi

FAQs for booking flights from Missouri to Vietnam

  • How does KAYAK find such low prices on flights from Missouri 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 Missouri to Vietnam.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vietnam from Missouri 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 Missouri 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 Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Missouri to Vietnam

Recent round-trip flight deals

8/21Wed
2 stops
31h 21mSTL-SGN
10/22Tue
2 stops
33h 33mSGN-STL
$1,172
8/20Tue
2 stops
31h 21mSTL-SGN
9/21Sat
2 stops
33h 38mSGN-STL
$1,212
8/20Tue
2 stopsCathay Pacific
43h 36mSTL-SGN
9/21Sat
2 stopsCathay Pacific
44h 33mSGN-STL
$1,273
8/7Wed
2 stopsUnited Airlines
47h 06mSTL-SGN
10/13Sun
2 stopsUnited Airlines
35h 07mSGN-STL
$1,278
8/20Tue
3 stopsUnited Airlines
40h 07mSTL-SGN
9/20Fri
2 stopsUnited Airlines
33h 02mSGN-STL
$1,279
10/3Thu
2 stopsQatar Airways
26h 58mSTL-HAN
10/6Sun
2 stopsQatar Airways
28h 37mHAN-STL
$1,418
10/3Thu
2 stopsCathay Pacific
36h 35mSTL-HAN
10/7Mon
2 stopsCathay Pacific
37h 02mHAN-STL
$1,422
10/3Thu
2 stopsDelta
40h 25mSTL-HAN
10/7Mon
2 stopsDelta
21h 16mHAN-STL
$1,479
10/1Tue
2 stopsQatar Airways
37h 19mMCI-SGN
2/18Tue
2 stopsQatar Airways
41h 56mSGN-MCI
$1,482
8/5Mon
2 stopsDelta
39h 50mSTL-SGN
8/19Mon
2 stopsDelta
35h 54mSGN-STL
$1,509

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Recent one-way flight deals

9/19Thu
2 stopsCathay Pacific
46h 35mSTL-HAN
$664
10/2Wed
2 stops
31h 45mSTL-HAN
$668
8/6Tue
2 stopsDelta
27h 20mSTL-SGN
$676
10/16Wed
2 stops
37h 58mMCI-SGN
$677
9/12Thu
2 stopsAmerican Airlines
33h 31mSTL-SGN
$678
9/19Thu
3 stops
45h 05mSTL-HAN
$680
10/15Tue
2 stops
37h 58mMCI-SGN
$704
9/2Mon
2 stopsQatar Airways
27h 14mMCI-HAN
$742
10/11Fri
2 stopsQatar Airways
29h 40mMCI-SGN
$910
10/14Mon
3 stopsAmerican Airlines
27h 55mMCI-SGN
$2,810

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Last minute flights from Missouri to Vietnam

Last minute flight, train and bus deals

5/9Thu
multi-stopUnited Airlines
24h 58mSTL-SGN
5/16Thu
multi-stopUnited Airlines
35h 10mSGN-STL
$1,121
5/11Sat
multi-stopUnited Airlines
44h 25mSTL-SGN
5/19Sun
multi-stopUnited Airlines
26h 09mSGN-STL
$1,129
5/11Sat
multi-stop
34h 57mSTL-SGN
5/19Sun
multi-stop
33h 09mSGN-STL
$2,027
5/11Sat
multi-stop
44h 05mSTL-SGN
5/18Sat
multi-stop
35h 49mSGN-STL
$2,301
5/9Thu
multi-stop
27h 35mSTL-SGN
5/15Wed
multi-stop
35h 49mSGN-STL
$2,389
5/10Fri
multi-stop
26h 35mSTL-DAD
5/11Sat
multi-stop
31h 49mDAD-STL
$4,032
5/10Fri
multi-stop
26h 35mSTL-DAD
5/12Sun
multi-stop
36h 54mDAD-STL
$4,542
5/9Thu
multi-stopAmerican Airlines
31h 32mSTL-SGN
5/16Thu
multi-stopAmerican Airlines
27h 15mSGN-STL
$5,042
5/11Sat
multi-stopAmerican Airlines
26h 15mSTL-SGN
5/19Sun
multi-stopAmerican Airlines
25h 47mSGN-STL
$5,089
5/10Fri
multi-stop
35h 44mSTL-DAD
5/12Sun
multi-stop
56h 56mDAD-STL
$5,555

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Flights to Vietnam

Return flight deals:

Vietnam - Missouri

Cabin classes: