STL - HAN

$499 Find Cheap Flights from St. Louis to Hanoi

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 Hanoi departing on 3/3. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Hanoi

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Hanoi, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Hanoi, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$924
Cathay Pacific
Wed 4/15Wed 4/29
STL - HAN • 2 stops
Cheapest one-way
$499
Japan Airlines
Tue 3/3
STL - HAN • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Hanoi!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from St. Louis to Hanoi (STL-HAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Hanoi that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Hanoi

Wed, Apr 15 - Wed, Apr 29
Cathay Pacific Logo
6:30 am - 9:55 am
STL
-
HAN
39h 25m2 stops
Cathay Pacific Logo
7:05 pm - 11:16 pm
HAN
-
STL
40h 11m2 stops
$924Cathay Pacific
Wed, Mar 4 - Tue, Mar 24
Multiple Airlines Logo
9:59 am - 10:05 am
STL
-
HAN
35h 06m2 stops
Multiple Airlines Logo
10:30 am - 6:03 pm
HAN
-
STL
43h 33m2 stops
$957Multiple Airlines
Wed, Mar 11 - Sat, Mar 21
Multiple Airlines Logo
12:00 pm - 10:20 am
STL
-
HAN
34h 20m2 stops
Multiple Airlines Logo
5:30 pm - 1:30 am
HAN
-
STL
44h 00m2 stops
$1,056Multiple Airlines
Wed, Mar 11 - Sat, Mar 21
Multiple Airlines Logo
7:25 am - 10:20 am
STL
-
HAN
38h 55m2 stops
Multiple Airlines Logo
5:30 pm - 1:30 am
HAN
-
STL
44h 00m2 stops
$1,071Multiple Airlines
Sun, Jan 18 - Thu, Jan 22
Cathay Pacific Logo
7:04 am - 10:05 am
STL
-
HAN
38h 01m2 stops
Cathay Pacific Logo
11:05 am - 6:14 pm
HAN
-
STL
44h 09m2 stops
$1,096Cathay Pacific
Wed, Mar 11 - Sat, Mar 21
EVA Air Logo
7:00 am - 11:35 am
STL
-
HAN
40h 35m2 stops
EVA Air Logo
12:35 pm - 11:55 pm
HAN
-
STL
47h 20m2 stops
$1,180EVA Air
Wed, Mar 4 - Tue, Mar 24
Multiple Airlines Logo
5:55 am - 10:20 am
STL
-
HAN
39h 25m2 stops
Multiple Airlines Logo
5:30 pm - 10:20 pm
HAN
-
STL
40h 50m3 stops
$1,201Multiple Airlines
Wed, Apr 15 - Wed, Apr 29
United Airlines Logo
6:02 pm - 10:15 pm
STL
-
HAN
40h 13m2 stops
United Airlines Logo
11:35 pm - 4:55 pm
HAN
-
STL
53h 20m3 stops
$1,205United Airlines
Wed, Mar 11 - Sat, Mar 21
Multiple Airlines Logo
8:25 am - 10:20 am
STL
-
HAN
37h 55m3 stops
Multiple Airlines Logo
5:30 pm - 1:30 am
HAN
-
STL
44h 00m2 stops
$1,228Multiple Airlines
Wed, Mar 4 - Tue, Mar 24
Multiple Airlines Logo
4:05 pm - 2:10 pm
STL
-
HAN
33h 05m3 stops
Multiple Airlines Logo
6:20 pm - 3:29 pm
HAN
-
STL
33h 09m3 stops
$2,011Multiple Airlines
Useful Info

Good to know

Cheapest flight$499
Flight from St. Louis to Hanoi

When to book flights from St. Louis to Hanoi

Are your dates flexible? Find out the best times to travel from St. Louis to Hanoi based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Hanoi

  • What is the cheapest flight from St. Louis to Hanoi?

    In the last 3 days, the lowest price for a flight from St. Louis to Hanoi was $499 for a one-way ticket and $924 for a round-trip.

  • Do I need a passport to fly between St. Louis and Hanoi?

    Yes, you’ll need a passport to travel to Hanoi from St. Louis.

  • Which aircraft models fly most regularly from St. Louis to Hanoi?

    We unfortunately don’t have that data for this specific route.

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi 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 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 St. Louis with another airline. Booking your flights between St. Louis and HAN can sometimes prove cheaper using this method.

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

Everything you need to know for your flight from St. Louis to Hanoi

Information on your arrival and departure airports

St. Louis (STL)
Hanoi (HAN)