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.

$611 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

6:00 am - 6:15 pmSTL Lambert-St Louis-HAN Hanoi Noibai

47h 15m2 stops Chicago O'Hare Intl Hong Kong Intl

10:30 am - 8:19 pmHAN Hanoi Noibai-STL Lambert-St Louis

22h 49m2 stops Hong Kong Intl Dallas/Fort Worth

$1,097Cathay Pacific

Mon, Nov 16 - Mon, Nov 23

7:05 am - 10:05 amMCI Kansas City-HAN Hanoi Noibai

38h 00m2 stops Chicago O'Hare Intl Hong Kong Intl

10:30 am - 12:24 amHAN Hanoi Noibai-MCI Kansas City

26h 54m2 stops Hong Kong Intl Dallas/Fort Worth

$1,099Cathay Pacific

Tue, Feb 9 - Mon, Feb 22

9:37 am - 10:05 amMCI Kansas City-HAN Hanoi Noibai

35h 28m2 stops Chicago O'Hare Intl Hong Kong Intl

10:30 am - 11:10 amHAN Hanoi Noibai-MCI Kansas City

37h 40m2 stops Hong Kong Intl Dallas/Fort Worth

$1,103Cathay Pacific

Tue, Dec 1 - Tue, Dec 15

5:06 am - 6:10 amMCI Kansas City-HAN Hanoi Noibai

36h 04m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl

8:10 pm - 11:41 amHAN Hanoi Noibai-MCI Kansas City

28h 31m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl

$1,118Etihad Airways

Thu, Feb 11 - Sun, Feb 28

6:45 am - 9:45 pmSTL Lambert-St Louis-HAN Hanoi Noibai

26h 00m2 stops Detroit Metropolitan Wayne County Incheon Intl

11:05 pm - 10:38 amHAN Hanoi Noibai-STL Lambert-St Louis

48h 33m2 stops Incheon Intl Minneapolis St Paul

$1,159Delta

Wed, Feb 10 - Mon, Mar 1

2:15 pm - 9:45 pmSTL Lambert-St Louis-HAN Hanoi Noibai

42h 30m2 stops Salt Lake City Incheon Intl

12:20 pm - 11:18 pmHAN Hanoi Noibai-STL Lambert-St Louis

23h 58m2 stops Incheon Intl Minneapolis St Paul

$1,159Delta

Thu, Feb 11 - Mon, Mar 1

6:45 am - 9:45 pmSTL Lambert-St Louis-HAN Hanoi Noibai

26h 00m2 stops Detroit Metropolitan Wayne County Incheon Intl

12:20 pm - 4:54 pmHAN Hanoi Noibai-STL Lambert-St Louis

41h 34m2 stops Incheon Intl Minneapolis St Paul

$1,159Delta

Tue, Dec 1 - Tue, Dec 15

7:10 am - 10:25 pmMCI Kansas City-HAN Hanoi Noibai

26h 15m2 stops Chicago O'Hare Intl Tokyo Narita

11:55 pm - 11:41 amHAN Hanoi Noibai-MCI Kansas City

24h 46m2 stops Tokyo Narita Chicago O'Hare Intl

$1,160Japan Airlines

Tue, Feb 2 - Mon, Feb 22

5:26 pm - 11:10 amMCI Kansas City-HAN Hanoi Noibai

28h 44m2 stops Atlanta Hartsfield-Jackson Incheon Intl

11:05 pm - 11:00 pmHAN Hanoi Noibai-MCI Kansas City

36h 55m2 stops Incheon Intl Seattle/Tacoma Intl

$1,162Delta

Thu, Dec 17 - Tue, Dec 22

6:01 am - 10:25 pmSTL Lambert-St Louis-HAN Hanoi Noibai

27h 24m2 stops Los Angeles Tokyo Narita

11:55 pm - 6:07 pmHAN Hanoi Noibai-STL Lambert-St Louis

31h 12m2 stops Tokyo Narita Dallas/Fort Worth

$2,213Japan Airlines

Recent last minute flight deals from Missouri to Hanoi

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

Tue, Oct 27 - Thu, Nov 5

3:17 pm - 11:35 amMCI Kansas City-HAN Hanoi Noibai

32h 18m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

6:20 pm - 1:56 pmHAN Hanoi Noibai-MCI Kansas City

32h 36m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,141Multiple Airlines

Thu, Oct 22 - Mon, Oct 26

7:02 am - 9:55 amSTL Lambert-St Louis-HAN Hanoi Noibai

38h 53m2 stops Seattle/Tacoma Intl Hong Kong Intl

7:25 pm - 11:59 pmHAN Hanoi Noibai-STL Lambert-St Louis

40h 34m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,173Cathay 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

$1,180Cathay Pacific

Tue, Oct 27 - Thu, Nov 5

7:16 am - 10:25 pmMCI Kansas City-HAN Hanoi Noibai

27h 09m2 stops Chicago O'Hare Intl Tokyo Narita

11:55 pm - 11:59 pmHAN Hanoi Noibai-MCI Kansas City

37h 04m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,181Japan Airlines

Thu, Oct 22 - Sat, Oct 24

7:08 am - 10:15 pmSTL Lambert-St Louis-HAN Hanoi Noibai

27h 07m2 stops San Francisco Tokyo Narita

11:35 pm - 10:15 pmHAN Hanoi Noibai-STL Lambert-St Louis

34h 40m2 stops Tokyo Narita San Francisco

$1,486United Airlines

Thu, Oct 22 - Sun, Oct 25

7:29 am - 9:50 pmSTL Lambert-St Louis-HAN Hanoi Noibai

26h 21m2 stops Chicago O'Hare Intl Tokyo Narita

11:55 pm - 4:53 pmHAN Hanoi Noibai-STL Lambert-St Louis

28h 58m2 stops Tokyo Narita Chicago O'Hare Intl

$1,838American Airlines

Tue, Oct 27 - Thu, Nov 5

2:10 pm - 3:25 pmMCI Kansas City-HAN Hanoi Noibai

37h 15m2 stops Atlanta Hartsfield-Jackson Istanbul

10:55 pm - 10:45 amHAN Hanoi Noibai-MCI Kansas City

48h 50m3 stops Istanbul Atlanta Hartsfield-Jackson Dallas Love Field

$2,187Multiple Airlines

Tue, Oct 27 - Thu, Nov 5

7:36 am - 3:25 pmMCI Kansas City-HAN Hanoi Noibai

43h 49m2 stops Chicago O'Hare Intl Istanbul

10:55 pm - 10:45 amHAN Hanoi Noibai-MCI Kansas City

48h 50m3 stops Istanbul Atlanta Hartsfield-Jackson Dallas Love Field

$2,247Multiple Airlines

Useful Info

Cheapest flight	$611

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.