Cheap flights from Hanoi to Seattle, WA

Flights starting at £349. Choose between Alaska Airlines, VietJet Air, or ZIPAIR to find the best price.

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

Tips to know when travelling to Seattle

Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airlines for this route are Alaska Airlines, VietJet Air, ZIPAIR, Spirit Airlines, and Asiana Airlines. Hanoi and Seattle have 383 direct flights per week.

Check-in for a flight from Hanoi to Seattle

NameCarrier codeIATA CodePassport needed during booking
Alaska AirlinesASAASNo
VietJet AirVJCVJYes
ZIPAIRTZPZGYes
Spirit AirlinesNKSNKNo
Asiana AirlinesAAROZYes

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C4°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C1°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
252
days per year
Snow days
5
days per year

14 day forecast

Wednesday
20 Nov
13°C6°C
27 Nov
5°C1°C
Thursday
21 Nov
8°C5°C
28 Nov
8°C4°C
Friday
22 Nov
83%
13°C5°C
29 Nov
80%
5°C4°C
Saturday
23 Nov
88%
8°C6°C
30 Nov
88%
1°C-1°C
Sunday
24 Nov
85%
7°C4°C
1 Dec
72%
0°C-2°C
Monday
25 Nov
7°C2°C
2 Dec
77%
-3°C-9°C
Tuesday
26 Nov
7°C1°C
3 Dec
-5°C-13°C

Frequently asked questions

What are the most popular routes to and from Hanoi?
What are the most popular routes to and from Seattle?
What airports are near Hanoi?
What airports are near Seattle?
Which airlines fly between Hanoi and Seattle?
When's the best time to travel between Hanoi and Seattle?
What flights operate between Hanoi and Seattle?
How many airports are there near Hanoi?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Hanoi and Seattle depart?
What time do nonstop (direct) flights between Hanoi and Seattle arrive?
What time do flights between Hanoi and Seattle depart?
What time do flights between Hanoi and Seattle arrive?

Explore alternative trips

Flights from Hanoi

Flights to Seattle

Popular routes

The nearest countries with flights to Seattle

Here is a list of countries people are flying from

Other destination countries from Hanoi

Here is a list of countries people are flying to
Find the best connection from Hanoi to Seattle
Search flights
We hack the system,
you fly for less