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.

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.

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

Singapore Airlines, Qatar Airways, and Asiana Airlines are the most popular carriers operating from Hanoi Noibai to Seattle/Tacoma Intl

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

11:10 pm - 1:37 pm

HAN

SEA

28h 27m

1 stop

1:00 pm - 9:35 pm

SEA

HAN

18h 35m

1 stop

$866Delta

Fri, Sep 4 - Thu, Sep 17

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

12:05 pm - 10:40 am

HAN

SEA

36h 35m

1 stop

12:50 pm - 9:35 pm

SEA

HAN

18h 45m

1 stop

$919Korean Air

Fri, Oct 9 - Mon, Oct 12

12:05 pm - 10:40 am

HAN

SEA

36h 35m

1 stop

12:50 pm - 9:35 pm

SEA

HAN

18h 45m

1 stop

$920Korean Air

Fri, Oct 9 - Mon, Oct 12

7:10 pm - 10:05 am

HAN

SEA

28h 55m

1 stop

7:05 pm - 6:30 pm

SEA

HAN

33h 25m

2 stops

$950Cathay Pacific

Fri, Oct 16 - Mon, Oct 26

12:05 pm - 10:40 am

HAN

SEA

36h 35m

1 stop

12:36 pm - 10:35 am

SEA

HAN

31h 59m

2 stops

$956Delta

Fri, Sep 4 - Thu, Sep 17

10:55 am - 7:08 am

HAN

SEA

34h 13m

2 stops

5:59 pm - 6:30 pm

SEA

HAN

34h 31m

2 stops

$958Cathay Pacific

Fri, Oct 16 - Mon, Oct 26

11:10 pm - 9:59 pm

HAN

SEA

36h 49m

2 stops

7:15 am - 9:35 pm

SEA

HAN

24h 20m

2 stops

$962Delta

Thu, Sep 3 - Wed, Sep 16

11:10 pm - 10:40 am

HAN

SEA

25h 30m

1 stop

4:51 pm - 10:35 am

SEA

HAN

27h 44m

2 stops

$982Korean Air

Fri, Sep 4 - Thu, Sep 17

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Korean Air flights from Hanoi to Seattle

Our best Korean Air deals on Hanoi to Seattle flight tickets

Korean Air

Oct 9

HAN12:05 pmHanoi Noibai

36h 35m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Oct 12

SEA12:50 pmSeattle/Tacoma Intl

18h 45m

1 stop

HAN9:35 pmHanoi Noibai

$919

Korean Air

Oct 9

HAN12:05 pmHanoi Noibai

36h 35m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Oct 12

SEA12:50 pmSeattle/Tacoma Intl

18h 45m

1 stop

HAN9:35 pmHanoi Noibai

$920

Korean Air

Sep 4

HAN11:10 pmHanoi Noibai

25h 30m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Sep 17

SEA4:51 pmSeattle/Tacoma Intl

27h 44m

2 stops

HAN10:35 amHanoi Noibai

$982

Cathay Pacific flights from Hanoi to Seattle

Our best Cathay Pacific deals on Hanoi to Seattle flight tickets

Cathay Pacific

Oct 16

HAN7:10 pmHanoi Noibai

28h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Oct 26

SEA7:05 pmSeattle/Tacoma Intl

33h 25m

2 stops

HAN6:30 pmHanoi Noibai

$950

Cathay Pacific

Oct 16

HAN10:55 amHanoi Noibai

34h 13m

2 stops

SEA7:08 amSeattle/Tacoma Intl

Oct 26

SEA5:59 pmSeattle/Tacoma Intl

34h 31m

2 stops

HAN6:30 pmHanoi Noibai

$958

Cathay Pacific

Oct 9

HAN7:10 pmHanoi Noibai

28h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Oct 12

SEA7:05 pmSeattle/Tacoma Intl

24h 50m

2 stops

HAN9:55 amHanoi Noibai

$1,019

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

Quickest round-trip

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 9/4

11:10 pm-1:37 pm

1 stop28h 27m

Seattle/Tacoma Intl

Thu 9/17

1:00 pm-9:35 pm

1 stop18h 35m

$866

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

Fri 10/9

12:05 pm-10:40 am

1 stop36h 35m

Seattle/Tacoma Intl

Mon 10/12

12:50 pm-9:35 pm

1 stop18h 45m

$919

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 10/9

12:05 pm-10:40 am

1 stop36h 35m

Seattle/Tacoma Intl

Mon 10/12

12:50 pm-9:35 pm

1 stop18h 45m

$920

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 10/16

7:10 pm-10:05 am

1 stop28h 55m

Seattle/Tacoma Intl

Mon 10/26

7:05 pm-6:30 pm

2 stops33h 25m

$950

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 9/4

12:05 pm-10:40 am

1 stop36h 35m

Seattle/Tacoma Intl

Thu 9/17

12:36 pm-10:35 am

2 stops31h 59m

$956

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 10/16

10:55 am-7:08 am

2 stops34h 13m

Seattle/Tacoma Intl

Mon 10/26

5:59 pm-6:30 pm

2 stops34h 31m

$958

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-9:59 pm

2 stops36h 49m

Seattle/Tacoma Intl

Wed 9/16

7:15 am-9:35 pm

2 stops24h 20m

$962

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 9/4

11:10 pm-10:40 am

1 stop25h 30m

Seattle/Tacoma Intl

Thu 9/17

4:51 pm-10:35 am

2 stops27h 44m

$982

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 04m
Direct flights	None

The fastest flight from Hanoi to Seattle takes 28h 04m

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 04m 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

Puyallup

Tukwila

Fife

Federal Way

Cle Elum

Marysville

Centralia

Kirkland

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.