STL - HAN

$543 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 11/8. 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
$1,341
Cathay Pacific
Thu 11/13Fri 11/28
STL - HAN • 2 stops
Cheapest one-way
$481
Multiple Airlines
Sat 11/8
STL - HAN • 3 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
Booking Insights
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

Thu, Nov 13 - Fri, Nov 28
Cathay Pacific Logo
7:00 am - 6:30 pmSTL-HAN
46h 30m2 stops
Cathay Pacific Logo
10:30 am - 10:34 pmHAN-STL
25h 04m2 stops
$1,341Cathay Pacific
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Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
7:00 am - 5:25 pmSTL-HAN
45h 25m2 stops
Multiple Airlines Logo
12:20 am - 3:29 pmHAN-STL
52h 09m2 stops
$1,807Multiple Airlines
Find Deal
Thu, Nov 13 - Fri, Nov 28
Multiple Airlines Logo
4:05 pm - 2:10 pmSTL-HAN
33h 05m3 stops
Multiple Airlines Logo
6:15 pm - 3:29 pmHAN-STL
34h 14m3 stops
$1,870Multiple Airlines
Find Deal
Sat, Dec 13 - Sun, Dec 28
Multiple Airlines Logo
7:00 am - 10:30 pmSTL-HAN
26h 30m2 stops
Multiple Airlines Logo
7:10 pm - 9:11 pmHAN-STL
39h 01m2 stops
$1,978Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
4:05 pm - 2:10 pmSTL-HAN
33h 05m3 stops
Multiple Airlines Logo
2:45 am - 7:39 pmHAN-STL
29h 54m3 stops
$2,004Multiple Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 27
United Airlines Logo
8:00 am - 11:05 pmSTL-HAN
26h 05m2 stops
United Airlines Logo
12:25 am - 10:43 pmHAN-STL
35h 18m2 stops
$2,053United Airlines
Find Deal
Thu, Nov 13 - Fri, Nov 28
Multiple Airlines Logo
2:53 pm - 6:55 amSTL-HAN
27h 02m2 stops
Multiple Airlines Logo
11:40 pm - 3:29 pmHAN-STL
28h 49m3 stops
$2,165Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Jan 2
Multiple Airlines Logo
5:05 am - 8:55 pmSTL-HAN
26h 50m2 stops
Multiple Airlines Logo
6:20 pm - 3:29 pmHAN-STL
34h 09m3 stops
$2,296Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Jan 2
Multiple Airlines Logo
4:05 pm - 2:10 pmSTL-HAN
33h 05m3 stops
Multiple Airlines Logo
6:20 pm - 3:29 pmHAN-STL
34h 09m3 stops
$2,377Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Jan 2
Turkish Airlines Logo
5:27 pm - 3:25 pmSTL-HAN
56h 58m2 stops
Turkish Airlines Logo
10:55 pm - 9:43 pmHAN-STL
35h 48m2 stops
$2,533Turkish Airlines
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Booking Insights

KAYAK's insights & trends for St. Louis to Hanoi flights

Get data-powered insights and trends into flights from St. Louis to Hanoi to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to Hanoi?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from St. Louis to Hanoi were found on Cathay Pacific ($1,341) and United Airlines ($2,053).

Find deals

Good to know

Cheapest flight$481
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 $481 for a one-way ticket and $1,341 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)

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