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.

What is the cheapest airline that flies from Hanoi Noibai to Seattle/Tacoma Intl?

Delta, STARLUX Airlines, and Korean Air are the most popular carriers operating from Hanoi Noibai to Seattle/Tacoma Intl

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 connection time from Hanoi to Seattle?

Taipei City (TPE) has the shortest average layover time for this route: 2h 33m.

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.

$473 Cheap Flights from Hanoi to Seattle in 2026/27

Find the cheapest flights from Hanoi to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 pm - 2:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 50m1 stop Incheon Intl

11:00 am - 9:45 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 45m1 stop Incheon Intl

$893Korean Air

Wed, Feb 3 - Sat, Feb 27

12:20 pm - 2:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 50m1 stop Incheon Intl

12:10 am - 11:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

20h 00m1 stop Incheon Intl

$893Korean Air

Wed, Feb 3 - Sat, Feb 13

3:40 pm - 3:05 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

14h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:45 pm - 10:30 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

$902STARLUX Airlines

Wed, Nov 4 - Sat, Nov 7

11:40 am - 3:05 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:45 pm - 10:30 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

$903STARLUX Airlines

Thu, Nov 12 - Mon, Jan 11

9:35 am - 6:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

24h 10m2 stops Hong Kong Intl Manila Ninoy Aquino Intl

9:30 pm - 1:25 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

36h 55m1 stop Manila Ninoy Aquino Intl

$910Multiple Airlines

Thu, Nov 26 - Mon, Jan 25

6:20 pm - 7:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

27h 45m1 stop Singapore Changi

8:40 am - 3:10 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

39h 30m1 stop Singapore Changi

$911Singapore Airlines

Fri, Feb 5 - Sat, Feb 13

12:20 pm - 9:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

35h 45m1 stop Incheon Intl

11:00 am - 9:45 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 45m1 stop Incheon Intl

$921Korean Air

Thu, Nov 12 - Mon, Nov 16

12:05 pm - 2:55 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 50m1 stop Incheon Intl

12:55 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 40m1 stop Incheon Intl

$922Korean Air

Fri, Apr 2 - Fri, Jul 2

12:05 pm - 2:55 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 50m1 stop Incheon Intl

1:20 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 15m1 stop Incheon Intl

$922Korean Air

Fri, Apr 2 - Wed, Jun 30

11:10 pm - 10:40 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

25h 30m1 stop Incheon Intl

1:20 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 15m1 stop Incheon Intl

$922Korean Air

Sun, Mar 28 - Sat, Jul 3

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United Airlines flights from Hanoi to Seattle

Our best United Airlines deals on Hanoi to Seattle flight tickets

United Airlines

Feb 4

HAN12:35 amHanoi Noibai

35h 42m

3 stops

SEA9:17 pmSeattle/Tacoma Intl

Feb 13

SEA7:32 pmSeattle/Tacoma Intl

36h 43m

2 stops

HAN11:15 pmHanoi Noibai

$925

United Airlines

Feb 2

HAN12:35 amHanoi Noibai

35h 42m

3 stops

SEA9:17 pmSeattle/Tacoma Intl

Feb 27

SEA6:57 amSeattle/Tacoma Intl

25h 18m

2 stops

HAN11:15 pmHanoi Noibai

$926

United Airlines

Mar 12

HAN12:25 amHanoi Noibai

35h 31m

2 stops

SEA8:56 pmSeattle/Tacoma Intl

Jul 1

SEA4:30 pmSeattle/Tacoma Intl

39h 45m

1 stop

HAN10:15 pmHanoi Noibai

$931

STARLUX Airlines flights from Hanoi to Seattle

Our best STARLUX Airlines deals on Hanoi to Seattle flight tickets

STARLUX Airlines

Nov 4

HAN3:40 pmHanoi Noibai

14h 25m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

Nov 7

SEA11:45 pmSeattle/Tacoma Intl

19h 45m

1 stop

HAN10:30 amHanoi Noibai

$902

STARLUX Airlines

Nov 12

HAN11:40 amHanoi Noibai

18h 25m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

Jan 11

SEA11:45 pmSeattle/Tacoma Intl

19h 45m

1 stop

HAN10:30 amHanoi Noibai

$903

STARLUX Airlines

Nov 4

HAN3:40 pmHanoi Noibai

31h 42m

2 stops

SEA8:22 amSeattle/Tacoma Intl

Nov 7

SEA11:45 pmSeattle/Tacoma Intl

19h 45m

1 stop

HAN10:30 amHanoi Noibai

$989

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 2/3

12:20 pm-2:10 pm

1 stop16h 50m

Seattle/Tacoma Intl

Sat 2/27

11:00 am-9:45 pm

1 stop19h 45m

$893

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 2/3

12:20 pm-2:10 pm

1 stop16h 50m

Seattle/Tacoma Intl

Sat 2/13

12:10 am-11:10 am

1 stop20h 00m

$893

Quickest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 11/4

3:40 pm-3:05 pm

1 stop14h 25m

Seattle/Tacoma Intl

Sat 11/7

11:45 pm-10:30 am

1 stop19h 45m

$902

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/12

11:40 am-3:05 pm

1 stop18h 25m

Seattle/Tacoma Intl

Mon 1/11

11:45 pm-10:30 am

1 stop19h 45m

$903

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/26

9:35 am-6:45 pm

2 stops24h 10m

Seattle/Tacoma Intl

Mon 1/25

9:30 pm-1:25 am

1 stop36h 55m

$910

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 2/5

6:20 pm-7:05 am

1 stop27h 45m

Seattle/Tacoma Intl

Sat 2/13

8:40 am-3:10 pm

1 stop39h 30m

$911

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/12

12:20 pm-9:05 am

1 stop35h 45m

Seattle/Tacoma Intl

Mon 11/16

11:00 am-9:45 pm

1 stop19h 45m

$921

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 4/2

12:05 pm-2:55 pm

1 stop16h 50m

Seattle/Tacoma Intl

Fri 7/2

12:55 am-10:35 am

1 stop19h 40m

$922

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 4/2

12:05 pm-2:55 pm

1 stop16h 50m

Seattle/Tacoma Intl

Wed 6/30

1:20 pm-9:35 pm

1 stop18h 15m

$922

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sun 3/28

11:10 pm-10:40 am

1 stop25h 30m

Seattle/Tacoma Intl

Sat 7/3

1:20 pm-9:35 pm

1 stop18h 15m

$922

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 2% cheaper when compared to flights at the same time last year.

When to book flights from Hanoi to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Hanoi to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best Price Found	$473
Fastest flight time	14h 25m
Direct flights	None

The best one-way flight to Seattle from Hanoi in the past 72 hours is $473. The best round-trip flight deal from Hanoi to Seattle found on momondo in the last 72 hours is $893.

The fastest flight from Hanoi to Seattle takes 14h 25m

There are no direct flights from Hanoi to Seattle. There are no popular flight routes from Hanoi to Seattle.

Search flight deals

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 14h 25m 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.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Redmond

Olympia

Federal Way

Kent

Lakewood

Lynnwood

Puyallup

Tukwila

Fife

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Shoreline

Why 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.