Cheap flights from St. Louis to Hanoi from $701

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3 stops
Tue, Jun 24
St. Louis STLHanoi HAN

$701
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3 stops
Sat, Jun 21
St. Louis STLHanoi HAN

$721
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3 stops
Sat, Jun 21
St. Louis STLHanoi HAN

$733
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3 stops
Sat, Jun 21
St. Louis STLHanoi HAN

$733
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3 stops
Tue, Jun 24
St. Louis STLHanoi HAN

$770
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3 stops
Mon, Jun 23
St. Louis STLHanoi HAN

$829
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Prices updated:

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2 stops
Thu, Jun 19 – Tue, Jun 24
St. Louis STLHanoi HAN

$1,786
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2 stops
Thu, Jun 19 – Mon, Jun 23
St. Louis STLHanoi HAN

$1,831
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2 stops
Thu, Jun 19 – Tue, Jun 24
St. Louis STLHanoi HAN

$1,859
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2 stops
Thu, Jun 19 – Tue, Jun 24
St. Louis STLHanoi HAN

$1,864
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2 stops
Thu, Jun 19 – Tue, Jun 24
St. Louis STLHanoi HAN

$1,888
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2 stops
Thu, Jun 19 – Mon, Jun 23
St. Louis STLHanoi HAN

$1,933
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Prices updated:

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How much do flights to Hanoi cost?

Key info about flying to Hanoi

Depart from
St. Louis Lambert International
Arrive to
Noi Bai International
Average flights per week
400
Flight distance
Worth visiting
Hanoi's Old Quarter - Halong Bay

Check-in for a flight from St. Louis to Hanoi

NameCarrier codeIATA CodePassport needed during booking
Air CanadaACAACYes
VietJet AirVJCVJYes
Hawaiian AirlinesHALHANo
Alaska AirlinesASAASNo
Vietnam AirlinesHVNVNYes

Weather in Hanoi

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January20°C14°C
February22°C16°C
March26°C19°C
April29°C21°C
May32°C24°C
June34°C26°C
July33°C26°C
August32°C25°C
September31°C24°C
October29°C22°C
November26°C19°C
December21°C15°C
Hottest Month
34°C
June
Coldest month
14°C
January
Sunny days
257
days per year

14 day forecast

Monday
26 May
27°C21°C
2 Jun
36°C27°C
Tuesday
27 May
86%
26°C23°C
3 Jun
65%
36°C27°C
Wednesday
28 May
87%
30°C23°C
4 Jun
88%
33°C27°C
Thursday
29 May
85%
25°C22°C
5 Jun
87%
29°C26°C
Friday
30 May
85%
27°C22°C
6 Jun
75%
34°C25°C
Saturday
31 May
89%
31°C24°C
7 Jun
69%
36°C26°C
Sunday
1 Jun
83%
34°C25°C
8 Jun
84%
36°C27°C
The most popular airlines for this route are Air Canada, VietJet Air, Hawaiian Airlines, Alaska Airlines, and Vietnam Airlines. St. Louis and Hanoi have 400 direct flights per week. When you arrive at Hanoi, consider visiting Hanoi's Old Quarter, and Halong Bay.

Frequently asked questions

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