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Use the filters below to find and compare flights from Hanoi to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Sat 10/31
11:40 am-4:05 pm
1 stop18h 25m
Seattle/Tacoma Intl
Sat 11/7
11:45 pm-10:30 am
1 stop19h 45m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Sun 11/15
11:05 pm-2:10 pm
1 stop30h 05m
Seattle/Tacoma Intl
Sun 11/22
11:00 am-11:10 am
1 stop33h 10m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Wed 2/3
11:40 pm-9:05 am
2 stops24h 25m
Seattle/Tacoma Intl
Fri 2/26
8:40 am-3:10 pm
1 stop39h 30m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Thu 11/12
11:35 am-6:10 pm
1 stop21h 35m
Seattle/Tacoma Intl
Sun 11/15
12:10 am-4:30 pm
1 stop25h 20m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Mon 11/16
12:20 pm-2:10 pm
1 stop16h 50m
Seattle/Tacoma Intl
Sun 11/22
12:10 am-11:10 am
1 stop20h 00m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Sun 11/15
12:20 pm-2:10 pm
1 stop16h 50m
Seattle/Tacoma Intl
Sun 11/22
11:00 am-9:45 pm
1 stop19h 45m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Mon 11/16
11:05 pm-9:05 am
1 stop25h 00m
Seattle/Tacoma Intl
Mon 11/23
12:31 pm-11:10 am
2 stops31h 39m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Wed 2/3
12:20 pm-9:05 am
1 stop35h 45m
Seattle/Tacoma Intl
Thu 2/25
12:10 am-11:10 am
1 stop20h 00m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Wed 2/3
11:40 pm-9:05 am
2 stops24h 25m
Seattle/Tacoma Intl
Sat 2/27
8:40 am-3:10 pm
1 stop39h 30m
HanoiSeattle
HAN Hanoi Noibai - SEA Seattle/Tacoma Intl
HANSEA
Hanoi Noibai
Sun 11/15
11:05 pm-2:10 pm
1 stop30h 05m
Seattle/Tacoma Intl
Sun 11/22
3:13 pm-11:10 am
2 stops28h 57m
See travel insights to Seattle from
How to get the cheapest flight ticket from Hanoi to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, March is the cheapest month to fly from Hanoi to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in March, then you should wait until April to fly from Hanoi, when ticket prices are also cheap, with an average price of $694.
How have Hanoi to Seattle flight prices changed over time?
As of October 2026, prices for Hanoi to Seattle flights are approximately 8% cheaper when compared to flights at the same time last year.
Which airport is the most popular layover for flights between Hanoi and Seattle?
Taipei City (TPE) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Hanoi to Seattle?
Flights via Incheon (ICN) offer the lowest average round-trip price of $785.
Which layover airport has the shortest travel time from Hanoi to Seattle?
Flights connecting via Incheon (ICN) have the shortest average one-way travel time: 15h 25m.
Which layover airport has the shortest connection time from Hanoi to Seattle?
Taipei City (TPE) has the shortest average layover time for this route: 2h 33m.
When to book flights from Hanoi to Seattle
Cheap Hanoi to Seattle (HAN to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Hanoi to Seattle
Frequently asked questions about flying from Hanoi to Seattle
How far is Hanoi Noibai to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 6829.4 mi away from Hanoi Noibai. Typically, this will take 16h 50m by plane in normal conditions.
When did momondo last update prices for flights from Hanoi Noibai Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Hanoi Noibai Airport to Seattle/Tacoma Intl Airport were last updated today.
How old do you have to be to fly from Hanoi Noibai Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hanoi Noibai Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Hanoi to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hanoi to Seattle for you.
Can I find flights from Hanoi to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Hanoi on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Hanoi to Seattle?
Once you have performed a search for Hanoi to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Hanoi to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Hanoi. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.