Cheap flights from St. Louis (STL) to Hanoi (HAN)

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How to find the cheapest flight from
St. Louis (STL) to Hanoi (HAN)

All the information you need to plan the best STL to HAN flight in 2022: compare St. Louis to Hanoi flight prices with the expected peak season, weather and rainfall in Hanoi.
When is the cheapest time to fly from St. Louis to Hanoi (STL - HAN)?

It’s optimal to fly from St. Louis to Hanoi at noon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

Lambert-St Louis to Hanoi 2022 flight deals

Cheap flights to Hanoi from St. Louis found for this year
29 Sep - 16 Oct
$1,305pp
STL
Lambert-St Louis
Qatar Airways
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Qatar Airways
   
2 STOPS
STL
Lambert-St Louis
21 Sep - 17 Oct
$1,377pp
STL
Lambert-St Louis
Qatar Airways
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Qatar Airways
   
2 STOPS
STL
Lambert-St Louis
21 Sep - 17 Oct
$1,396pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Noibai from St. Louis

The cheapest one-way flights from St. Louis to Hanoi
2:20 am - 6:15 pm
ANA
2 Stops
27h 55m
STL - HAN
ANA
$1,053
mytrip.com
1:25 pm - 10:05 am
Multiple Airlines
3 Stops
32h 40m
STL - HAN
Multiple Airlines
$3,140
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Hanoi</span> flights.

Flight FAQs

From St. Louis to Hanoi

Which airlines flying from Lambert-St Louis to Hanoi Noibai have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Hanoi Noibai have new flexible policies in place due to COVID-19. Delta, American Airlines, and ANA are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Delta with this kind of flexibility.

Can I find flights from St. Louis to Hanoi for under $1,400 on Cheapflights?

Yes, there are multiple flights from St. Louis to Hanoi for under $1,400. The cheapest flight booked recently is on Qatar Airways for just $1,305, but on average you can expect to pay $2,563.

What are the cheapest flights from St. Louis to Hanoi?

On average you can expect to pay $3,405 for a flight from St. Louis to Hanoi. The cheapest flight overall is $1,051 while the most popular route, (Lambert-St Louis - Hanoi Noibai) is currently priced at $1,305.

What are the most popular airlines that fly from St. Louis to Hanoi?

Before booking your flight from St. Louis to Hanoi check out the most popular airlines for this route: American Airlines, Delta or ANA.

COVID Restrictions

View COVID Travel Restrictions for Hanoi, Vietnam

Do I need a COVID test to fly to Hanoi from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Hanoi Noibai

Most visitors from Lambert-St Louis can enter Hanoi Noibai without restrictions.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Hanoi Noibai.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Hanoi Noibai.

Documents
PC-COVID app - Foreign arrivals shall be required to make health declarations before entry and download and use the PC-COVID app during their stay in Viet Nam.


Do I need a test to fly back to St. Louis from Hanoi?

Returning to Lambert-St Louis from Hanoi Noibai

COVID-19 testing requirements
Visitors from Hanoi Noibai are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Hanoi Noibai are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Hanoi, Vietnam

Alternative routes for St. Louis to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Hanoi

Things to know before you go - useful duration and weather info for your trip from St. Louis to Hanoi.
Today's exchange rate
$1 = 23,261₫
Average temperature for June in Hanoi
93.2 °F
Avg rainfall for June in Hanoi
7.2 ″

Airports servicing St. Louis

Airports servicing Hanoi

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