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.

$1,085 CHEAP FLIGHTS from Missouri to Hanoi

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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

Recent round-trip flight deals from Missouri to Hanoi

Mon, Nov 9 - Mon, Nov 16

7:26 am - 10:05 amSTL Lambert-St Louis-HAN Hanoi Noibai

37h 39m2 stops Chicago O'Hare Intl Hong Kong Intl

7:25 pm - 8:42 pmHAN Hanoi Noibai-STL Lambert-St Louis

38h 17m2 stops Hong Kong Intl Los Angeles

$1,085Multiple Airlines

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

$1,085Multiple Airlines

Tue, Apr 6 - Tue, Apr 20

7:05 am - 1:55 pmMCI Kansas City-HAN Hanoi Noibai

42h 50m2 stops Chicago O'Hare Intl Doha Hamad Intl

8:45 am - 11:20 pmHAN Hanoi Noibai-MCI Kansas City

50h 35m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,094Qatar Airways

Sun, Mar 7 - Mon, Mar 22

9:22 am - 12:20 pmMCI Kansas City-HAN Hanoi Noibai

37h 58m2 stops Chicago O'Hare Intl Doha Hamad Intl

7:10 pm - 12:18 amHAN Hanoi Noibai-MCI Kansas City

41h 08m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,099Qatar Airways

Mon, Nov 9 - Mon, Nov 16

7:26 am - 6:15 pmSTL Lambert-St Louis-HAN Hanoi Noibai

45h 49m2 stops Chicago O'Hare Intl Hong Kong Intl

7:25 pm - 7:22 pmHAN Hanoi Noibai-STL Lambert-St Louis

36h 57m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,099Cathay Pacific

Tue, Oct 27 - Thu, Nov 5

5:20 pm - 10:05 amMCI Kansas City-HAN Hanoi Noibai

28h 45m2 stops Dallas/Fort Worth Hong Kong Intl

11:15 am - 10:02 pmHAN Hanoi Noibai-MCI Kansas City

23h 47m2 stops Hong Kong Intl Dallas/Fort Worth

$1,099Cathay Pacific

Wed, Nov 4 - Wed, Nov 11

7:05 am - 6:15 pmMCI Kansas City-HAN Hanoi Noibai

46h 10m2 stops Chicago O'Hare Intl Hong Kong Intl

7:25 pm - 5:34 pmHAN Hanoi Noibai-MCI Kansas City

35h 09m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,101Cathay Pacific

Sun, Mar 7 - Mon, Mar 22

3:34 pm - 10:35 amMCI Kansas City-HAN Hanoi Noibai

30h 01m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

11:35 am - 2:43 pmHAN Hanoi Noibai-MCI Kansas City

39h 08m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,105Multiple Airlines

Thu, Nov 19 - Thu, Nov 26

6:13 am - 11:10 amSTL Lambert-St Louis-HAN Hanoi Noibai

39h 57m2 stops Minneapolis St Paul Incheon Intl

12:20 pm - 3:47 pmHAN Hanoi Noibai-STL Lambert-St Louis

40h 27m2 stops Incheon Intl Detroit Metropolitan Wayne County

$1,337Delta

Fri, Nov 20 - Fri, Nov 27

6:00 am - 11:10 amSTL Lambert-St Louis-HAN Hanoi Noibai

40h 10m2 stops Atlanta Hartsfield-Jackson Incheon Intl

12:20 pm - 5:03 pmHAN Hanoi Noibai-STL Lambert-St Louis

41h 43m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,558Delta

Useful Info

Cheapest flight	$1,085

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.