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 has the shortest connection time from Hanoi to Seattle?

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

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

Delta is the most popular carrier operating from Hanoi Noibai to Seattle/Tacoma Intl

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 offers the lowest fares from Hanoi to Seattle?

Flights via Incheon (ICN) offer the lowest average round-trip price of $785.

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.

$395 Cheap Flights from Hanoi to Seattle in 2026

Find the cheapest flights from Hanoi to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:05 pm - 3:15 pm

HAN

SEA

17h 10m

1 stop

12:10 am - 9:35 pm

SEA

HAN

31h 25m

1 stop

$813Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

11:30 pm - 3:15 pm

HAN

SEA

29h 45m

1 stop

12:10 am - 10:35 am

SEA

HAN

20h 25m

1 stop

$846Multiple Airlines

Wed, Sep 2 - Tue, Sep 8

1:25 pm - 3:15 pm

HAN

SEA

15h 50m

1 stop

12:10 am - 12:15 pm

SEA

HAN

22h 05m

1 stop

$855Asiana Airlines

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 1:37 pm

HAN

SEA

28h 27m

1 stop

1:00 pm - 9:35 pm

SEA

HAN

18h 35m

1 stop

$866Delta

Thu, Sep 3 - Thu, Sep 10

11:10 pm - 10:40 am

HAN

SEA

25h 30m

1 stop

12:50 pm - 10:35 am

SEA

HAN

31h 45m

1 stop

$870Korean Air

Sun, Sep 27 - Fri, Oct 2

9:35 am - 4:10 pm

HAN

SEA

20h 35m

2 stops

11:10 pm - 12:45 am

SEA

HAN

35h 35m

1 stop

$917Multiple Airlines

Thu, Sep 3 - Wed, Sep 16

7:10 pm - 8:08 am

HAN

SEA

26h 58m

2 stops

12:25 pm - 9:50 am

SEA

HAN

31h 25m

1 stop

$933Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

10:55 am - 8:08 am

HAN

SEA

35h 13m

2 stops

8:41 am - 6:10 pm

SEA

HAN

43h 29m

2 stops

$936Cathay Pacific

Wed, Sep 2 - Wed, Sep 9

10:55 am - 9:39 pm

HAN

SEA

24h 44m

2 stops

12:25 pm - 9:55 am

SEA

HAN

31h 30m

1 stop

$942Cathay Pacific

Wed, Sep 2 - Wed, Sep 9

7:10 pm - 3:32 pm

HAN

SEA

34h 22m

2 stops

8:41 am - 6:10 pm

SEA

HAN

43h 29m

2 stops

$945Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

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Asiana Airlines flights from Hanoi to Seattle

Our best Asiana Airlines deals on Hanoi to Seattle flight tickets

Asiana Airlines

Sep 3

HAN1:25 pmHanoi Noibai

15h 50m

1 stop

SEA3:15 pmSeattle/Tacoma Intl

Sep 15

SEA12:10 amSeattle/Tacoma Intl

22h 05m

1 stop

HAN12:15 pmHanoi Noibai

$855

Asiana Airlines

Aug 20

HAN11:30 pmHanoi Noibai

30h 15m

1 stop

SEA3:45 pmSeattle/Tacoma Intl

Sep 18

SEA12:10 amSeattle/Tacoma Intl

22h 05m

1 stop

HAN12:15 pmHanoi Noibai

$1,088

Asiana Airlines

Aug 20

HAN1:25 pmHanoi Noibai

16h 20m

1 stop

SEA3:45 pmSeattle/Tacoma Intl

Sep 18

SEA12:10 amSeattle/Tacoma Intl

22h 05m

1 stop

HAN12:15 pmHanoi Noibai

$1,089

EVA Air flights from Hanoi to Seattle

Our best EVA Air deals on Hanoi to Seattle flight tickets

EVA Air

Aug 19

HAN6:00 pmHanoi Noibai

15h 50m

1 stop

SEA7:50 pmSeattle/Tacoma Intl

Aug 24

SEA2:10 amSeattle/Tacoma Intl

18h 55m

1 stop

HAN11:05 amHanoi Noibai

$1,064

EVA Air

Aug 20

HAN6:00 pmHanoi Noibai

15h 10m

1 stop

SEA7:10 pmSeattle/Tacoma Intl

Sep 18

SEA1:30 amSeattle/Tacoma Intl

19h 35m

1 stop

HAN11:05 amHanoi Noibai

$1,120

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 9/3

12:05 pm-3:15 pm

1 stop17h 10m

Seattle/Tacoma Intl

Tue 9/15

12:10 am-9:35 pm

1 stop31h 25m

$813

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 9/2

11:30 pm-3:15 pm

1 stop29h 45m

Seattle/Tacoma Intl

Tue 9/8

12:10 am-10:35 am

1 stop20h 25m

$846

Quickest round-trip

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 9/3

1:25 pm-3:15 pm

1 stop15h 50m

Seattle/Tacoma Intl

Tue 9/15

12:10 am-12:15 pm

1 stop22h 05m

$855

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-1:37 pm

1 stop28h 27m

Seattle/Tacoma Intl

Thu 9/10

1:00 pm-9:35 pm

1 stop18h 35m

$866

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 9/27

11:10 pm-10:40 am

1 stop25h 30m

Seattle/Tacoma Intl

Fri 10/2

12:50 pm-10:35 am

1 stop31h 45m

$870

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 9/3

9:35 am-4:10 pm

2 stops20h 35m

Seattle/Tacoma Intl

Wed 9/16

11:10 pm-12:45 am

1 stop35h 35m

$917

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 9/5

7:10 pm-8:08 am

2 stops26h 58m

Seattle/Tacoma Intl

Sat 9/12

12:25 pm-9:50 am

1 stop31h 25m

$933

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 9/2

10:55 am-8:08 am

2 stops35h 13m

Seattle/Tacoma Intl

Wed 9/9

8:41 am-6:10 pm

2 stops43h 29m

$936

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 9/2

10:55 am-9:39 pm

2 stops24h 44m

Seattle/Tacoma Intl

Wed 9/9

12:25 pm-9:55 am

1 stop31h 30m

$942

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 9/5

7:10 pm-3:32 pm

2 stops34h 22m

Seattle/Tacoma Intl

Sat 9/12

8:41 am-6:10 pm

2 stops43h 29m

$945

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 July 2026, prices for Hanoi to Seattle flights are approximately 4% more expensive 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

Fastest flight time	28h 27m
Direct flights	None

The fastest flight from Hanoi to Seattle takes 28h 27m

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 28h 27m 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

Olympia

Lynnwood

Redmond

Kent

Lakewood

Tukwila

Puyallup

Fife

Federal Way

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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.