STL - HAN

$1,078 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 5/31. 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

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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Flights Deals

Cheap Flights from St. Louis to Hanoi

 
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.

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

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Hanoi.
Discover the best prices for you by selecting your travel dates on KAYAK.
United Airlines Logo
6:00 am - 10:15 pmSTL-HAN
28h 15m2 stops
United Airlines Logo
11:30 pm - 4:53 pmHAN-STL
29h 23m2 stops
$1,282United Airlines
Find Deal
Fri, Jul 11 - Fri, Aug 22
Logo
1:20 pm - 10:15 pmSTL-HAN
44h 55m2 stops
Logo
5:50 pm - 11:59 pmHAN-STL
42h 09m2 stops
$1,518
Find Deal
Mon, Jul 21 - Mon, Aug 4
Logo
6:14 am - 9:55 amSTL-HAN
39h 41m2 stops
Logo
1:30 am - 10:08 pmHAN-STL
32h 38m2 stops
$1,868
Find Deal
Fri, Jul 11 - Thu, Aug 21
Logo
3:20 pm - 10:15 pmSTL-HAN
42h 55m2 stops
Logo
3:00 am - 7:08 pmHAN-STL
28h 08m2 stops
$1,994
Find Deal
Mon, Jul 21 - Sun, Aug 3
Logo
7:32 pm - 11:05 amSTL-HAN
27h 33m2 stops
Logo
6:00 pm - 3:44 pmHAN-STL
33h 44m3 stops
$2,038
Find Deal
Fri, Jul 11 - Fri, Aug 22
Air Canada Logo
9:15 am - 10:00 pmSTL-HAN
24h 45m2 stops
Air Canada Logo
11:35 pm - 11:59 pmHAN-STL
36h 24m3 stops
$2,269Air Canada
Find Deal
Mon, Jul 21 - Mon, Aug 4
Logo
3:30 pm - 5:55 amSTL-HAN
26h 25m1 stop
Logo
11:10 am - 2:39 pmHAN-STL
39h 29m2 stops
$3,445
Find Deal
Fri, Jul 11 - Fri, Aug 22
Logo
3:30 pm - 5:55 amSTL-HAN
26h 25m1 stop
Logo
1:40 am - 11:01 pmHAN-STL
33h 21m2 stops
$4,324
Find Deal
Fri, Jul 11 - Thu, Aug 21
Useful Info

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 United Airlines ($1,282) and Air Canada ($2,269).

Find deals

Good to know

High seasonDecember
Cheapest flight$1,078
Most popular time to fly with an average 6% increase in price.
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 $1,078 for a one-way ticket and $1,282 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.

  • Which airline alliances offer flights from St. Louis to Hanoi?

    Star Alliance is the only airline alliance operating flights between St. Louis and Hanoi.

  • 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

Hanoi (HAN)
St. Louis (STL)

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