Cheap flights from Seattle, WA to Hanoi

Flights starting at $469. Choose between Alaska Airlines, VietJet Air, or Korean Air to find the best price.

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Tips to know when travelling to Hanoi

Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Hanoi. The most popular airlines for this route are Alaska Airlines, VietJet Air, Korean Air, Vietnam Airlines, and Cathay Pacific. Seattle and Hanoi have 286 direct flights per week. When you arrive at Hanoi, consider visiting Hanoi's Old Quarter, and Halong Bay.

Check-in for a flight from Seattle to Hanoi

NameCarrier codeIATA CodePassport needed during booking
Alaska AirlinesASAASNo
VietJet AirVJCVJYes
Korean AirKALKEYes
Vietnam AirlinesHVNVNYes
Cathay PacificCPACXYes

Weather in Hanoi

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January20°C14°C
February23°C16°C
March26°C19°C
April29°C22°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
256
days per year

14 day forecast

Tuesday
5 Nov
25°C22°C
12 Nov
31°C22°C
Wednesday
6 Nov
66%
25°C22°C
13 Nov
83%
30°C23°C
Thursday
7 Nov
28°C22°C
14 Nov
84%
30°C23°C
Friday
8 Nov
30°C21°C
15 Nov
84%
31°C23°C
Saturday
9 Nov
30°C21°C
16 Nov
75%
33°C24°C
Sunday
10 Nov
28°C22°C
17 Nov
32°C24°C
Monday
11 Nov
31°C22°C
18 Nov
87%
27°C21°C

Frequently asked questions

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What time do flights between Seattle and Hanoi depart?
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