How does KAYAK find such low prices on flights from Missouri to Hanoi?

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 Hanoi.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi 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 Hanoi?

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 Hanoi 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 Hanoi?

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 Hanoi from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$569 CHEAP FLIGHTS from Missouri to Hanoi

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Flight Deals

Cheap Flights from Missouri to Hanoi

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Hanoi

Mon, Nov 9 - Mon, Nov 16

1:20 pm - 12:20 pmSTL Lambert-St Louis-HAN Hanoi Noibai

34h 00m2 stops Chicago O'Hare Intl Doha Hamad Intl

7:10 pm - 6:17 pmHAN Hanoi Noibai-STL Lambert-St Louis

36h 07m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,033Qatar Airways

Mon, Nov 9 - Mon, Nov 16

7:26 am - 12:20 pmSTL Lambert-St Louis-HAN Hanoi Noibai

39h 54m2 stops Chicago O'Hare Intl Doha Hamad Intl

7:10 pm - 6:17 pmHAN Hanoi Noibai-STL Lambert-St Louis

36h 07m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,040Qatar Airways

Tue, Oct 27 - Thu, Nov 5

3:17 pm - 12:10 pmMCI Kansas City-HAN Hanoi Noibai

56h 53m2 stops Seattle/Tacoma Intl Incheon Intl

11:50 pm - 11:59 pmHAN Hanoi Noibai-MCI Kansas City

37h 09m2 stops Incheon Intl Seattle/Tacoma Intl

$1,067Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

5:13 am - 9:55 amMCI Kansas City-HAN Hanoi Noibai

40h 42m2 stops Chicago O'Hare Intl Hong Kong Intl

10:25 am - 11:24 pmHAN Hanoi Noibai-MCI Kansas City

24h 59m2 stops Hong Kong Intl Dallas/Fort Worth

$1,079Cathay Pacific

Tue, Sep 22 - Tue, Sep 29

12:19 pm - 6:10 pmMCI Kansas City-HAN Hanoi Noibai

41h 51m2 stops Chicago O'Hare Intl Hong Kong Intl

10:25 am - 10:19 pmHAN Hanoi Noibai-MCI Kansas City

23h 54m2 stops Hong Kong Intl Dallas/Fort Worth

$1,079Cathay Pacific

Mon, Nov 9 - Mon, Nov 16

5:05 am - 10:05 amSTL Lambert-St Louis-HAN Hanoi Noibai

40h 00m2 stops Chicago O'Hare Intl Hong Kong Intl

11:15 am - 4:43 pmHAN Hanoi Noibai-STL Lambert-St Louis

42h 28m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,084Multiple Airlines

Tue, Oct 27 - Wed, Nov 4

7:16 am - 2:10 pmMCI Kansas City-HAN Hanoi Noibai

42h 54m2 stops Los Angeles Shanghai Pu Dong

2:45 am - 7:08 pmHAN Hanoi Noibai-MCI Kansas City

29h 23m2 stops Shanghai Pu Dong Los Angeles

$1,088China Eastern

Tue, Sep 22 - Tue, Sep 29

9:09 am - 9:55 amMCI Kansas City-HAN Hanoi Noibai

36h 46m2 stops Chicago O'Hare Intl Hong Kong Intl

10:55 am - 10:19 pmHAN Hanoi Noibai-MCI Kansas City

23h 24m2 stops Hong Kong Intl Dallas/Fort Worth

$1,089Cathay Pacific

Sun, Jan 3 - Sun, Jan 31

6:04 am - 12:20 pmSTL Lambert-St Louis-HAN Hanoi Noibai

41h 16m2 stops Seattle/Tacoma Intl Doha Hamad Intl

7:10 pm - 6:29 pmHAN Hanoi Noibai-STL Lambert-St Louis

36h 19m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,097Multiple Airlines

Sun, Jan 24 - Sun, Jan 31

6:00 am - 10:05 amSTL Lambert-St Louis-HAN Hanoi Noibai

39h 05m2 stops Chicago O'Hare Intl Hong Kong Intl

7:25 pm - 11:33 pmHAN Hanoi Noibai-STL Lambert-St Louis

41h 08m2 stops Hong Kong Intl Los Angeles

$1,134Multiple Airlines

Recent last minute flight deals from Missouri to Hanoi

Fri, Sep 11 - Mon, Sep 21

7:00 am - 1:55 pmMCI Kansas City-HAN Hanoi Noibai

42h 55m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:45 am - 11:59 pmHAN Hanoi Noibai-MCI Kansas City

51h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,113Multiple Airlines

Sat, Sep 12 - Sun, Sep 20

10:48 am - 6:10 pmMCI Kansas City-HAN Hanoi Noibai

43h 22m2 stops Chicago O'Hare Intl Hong Kong Intl

7:10 pm - 12:23 amHAN Hanoi Noibai-MCI Kansas City

41h 13m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,139Cathay Pacific

Sat, Sep 12 - Sun, Sep 20

9:09 am - 9:50 amMCI Kansas City-HAN Hanoi Noibai

36h 41m2 stops Chicago O'Hare Intl Hong Kong Intl

7:10 pm - 12:23 amHAN Hanoi Noibai-MCI Kansas City

41h 13m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,139Cathay Pacific

Fri, Sep 11 - Sat, Sep 19

7:00 am - 1:55 pmMCI Kansas City-HAN Hanoi Noibai

42h 55m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:45 am - 11:59 pmHAN Hanoi Noibai-MCI Kansas City

51h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,171Qatar Airways

Sat, Sep 12 - Sun, Sep 20

9:09 am - 9:50 amMCI Kansas City-HAN Hanoi Noibai

36h 41m2 stops Chicago O'Hare Intl Hong Kong Intl

7:10 pm - 12:23 amHAN Hanoi Noibai-MCI Kansas City

41h 13m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,172Cathay Pacific

Fri, Sep 11 - Sat, Sep 19

5:13 am - 6:10 pmMCI Kansas City-HAN Hanoi Noibai

48h 57m2 stops Chicago O'Hare Intl Hong Kong Intl

10:25 am - 11:24 pmHAN Hanoi Noibai-MCI Kansas City

24h 59m2 stops Hong Kong Intl Dallas/Fort Worth

$1,179Cathay Pacific

Fri, Sep 11 - Sat, Sep 19

5:13 am - 6:10 pmMCI Kansas City-HAN Hanoi Noibai

48h 57m2 stops Chicago O'Hare Intl Hong Kong Intl

10:25 am - 11:24 pmHAN Hanoi Noibai-MCI Kansas City

24h 59m2 stops Hong Kong Intl Dallas/Fort Worth

$1,187Cathay Pacific

Fri, Sep 11 - Sat, Sep 19

5:13 am - 9:50 pmMCI Kansas City-HAN Hanoi Noibai

28h 37m2 stops Chicago O'Hare Intl Tokyo Narita

11:20 pm - 3:22 pmHAN Hanoi Noibai-MCI Kansas City

28h 02m2 stops Tokyo Narita Chicago O'Hare Intl

$1,252American Airlines

Fri, Sep 11 - Sat, Sep 19

5:13 pm - 10:00 pmMCI Kansas City-HAN Hanoi Noibai

40h 47m3 stops Denver Intl San Francisco Incheon Intl

11:35 pm - 8:34 pmHAN Hanoi Noibai-MCI Kansas City

32h 59m2 stops Tokyo Narita Denver Intl

$1,697United Airlines

Fri, Sep 11 - Mon, Sep 21

6:00 am - 10:15 pmMCI Kansas City-HAN Hanoi Noibai

28h 15m2 stops Denver Intl Tokyo Narita

11:35 pm - 11:30 pmHAN Hanoi Noibai-MCI Kansas City

35h 55m3 stops Tokyo Narita San Francisco Denver Intl

$1,808United Airlines

Useful Info

Low season	April
High season	November
Cheapest flight	$569

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly and prices are also 20% lower on average.

Flight from St. Louis to Hanoi

How does KAYAK find such low prices on flights from Missouri to Hanoi?
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 Hanoi.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Hanoi?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi 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 Hanoi?
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 Hanoi 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 Hanoi?
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 Hanoi from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.