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.

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

Singapore Airlines, Cathay Pacific, 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.

$404 Cheap Flights from Hanoi to Seattle in 2026

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.

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

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

20h 25m1 stop Incheon Intl

$816Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

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

20h 25m1 stop Incheon Intl

$819Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

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

20h 25m1 stop Incheon Intl

$822Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

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

20h 25m1 stop Incheon Intl

$824Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

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

25h 30m1 stop Incheon Intl

12:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 45m1 stop Incheon Intl

$852Korean Air

Thu, Sep 3 - Wed, Sep 16

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

25h 30m1 stop Incheon Intl

12:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 45m1 stop Incheon Intl

$853Korean Air

Thu, Sep 3 - Wed, Sep 16

1:25 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

15h 50m1 stop Incheon Intl

12:10 am - 12:15 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

22h 05m1 stop Incheon Intl

$855Asiana Airlines

Fri, Oct 16 - Mon, Oct 19

7:30 pm - 9:10 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 40m1 stop Hong Kong Intl

10:50 am - 10:05 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

32h 15m1 stop Hong Kong Intl

$858Cathay Pacific

Tue, Nov 10 - Tue, Nov 17

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:00 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 35m1 stop Incheon Intl

$866Delta

Fri, Sep 18 - Fri, Sep 25

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:00 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 35m1 stop Incheon Intl

$867Delta

Wed, Sep 9 - Sun, Sep 20

Cheap last minute flights

Enter your travel dates to find the best prices.

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:05 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 30m1 stop Incheon Intl

$1,177Delta

Mon, Aug 10 - Fri, Aug 14

11:30 pm - 3:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 15m1 stop Incheon Intl

12:10 am - 10:00 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 50m1 stop Incheon Intl

$1,279Asiana Airlines

Sat, Aug 8 - Thu, Aug 13

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:20 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 15m1 stop Incheon Intl

$1,280Korean Air

Mon, Aug 10 - Wed, Aug 12

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

7:20 am - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

24h 15m2 stops San Francisco Incheon Intl

$1,281Delta

Mon, Aug 10 - Mon, Aug 17

11:35 pm - 11:20 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

37h 45m2 stops Tokyo Narita San Francisco

6:08 am - 10:15 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

26h 07m2 stops Los Angeles Tokyo Narita

$1,346ANA

Sat, Aug 8 - Fri, Aug 14

11:35 pm - 8:00 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

46h 25m2 stops Tokyo Narita Denver Intl

9:05 am - 10:15 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

23h 10m2 stops San Francisco Tokyo Narita

$1,363United Airlines

Sat, Aug 8 - Wed, Aug 12

11:30 pm - 10:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

48h 35m2 stops Incheon Intl Vancouver Intl

7:20 pm - 10:00 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

36h 40m2 stops Vancouver Intl Incheon Intl

$1,365Air Canada

Mon, Aug 10 - Wed, Aug 12

5:50 pm - 4:35 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

36h 45m1 stop Taipei City Taiwan Taoyuan Intl

1:15 am - 10:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,373STARLUX Airlines

Sat, Aug 8 - Wed, Aug 12

11:30 pm - 10:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

48h 35m2 stops Incheon Intl Vancouver Intl

3:00 pm - 9:55 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

28h 55m2 stops Vancouver Intl Hong Kong Intl

$1,375Air Canada

Sun, Aug 9 - Tue, Aug 11

11:30 pm - 10:42 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

37h 12m2 stops Incheon Intl Vancouver Intl

3:00 pm - 9:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

28h 35m2 stops Vancouver Intl Bangkok Suvarnabhumi

$1,383Air Canada

Sun, Aug 9 - Mon, Aug 17

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STARLUX Airlines flights from Hanoi to Seattle

Our best STARLUX Airlines deals on Hanoi to Seattle flight tickets

STARLUX Airlines

Sep 17

HAN5:50 pmHanoi Noibai

36h 20m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Sep 23

SEA1:15 amSeattle/Tacoma Intl

18h 55m

1 stop

HAN10:10 amHanoi Noibai

$960

STARLUX Airlines

Sep 22

HAN11:10 amHanoi Noibai

19h 00m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Dec 16

SEA11:45 pmSeattle/Tacoma Intl

19h 45m

1 stop

HAN10:30 amHanoi Noibai

$1,160

STARLUX Airlines

Sep 22

HAN11:10 amHanoi Noibai

19h 00m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Dec 16

SEA11:45 pmSeattle/Tacoma Intl

19h 45m

1 stop

HAN10:30 amHanoi Noibai

$1,176

China Airlines flights from Hanoi to Seattle

Our best China Airlines deals on Hanoi to Seattle flight tickets

China Airlines

Sep 22

HAN5:50 pmHanoi Noibai

15h 25m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Dec 15

SEA12:10 amSeattle/Tacoma Intl

25h 20m

1 stop

HAN4:30 pmHanoi Noibai

$988

China Airlines

Sep 22

HAN5:50 pmHanoi Noibai

15h 25m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Dec 15

SEA12:10 amSeattle/Tacoma Intl

25h 20m

1 stop

HAN4:30 pmHanoi Noibai

$989

China Airlines

Sep 22

HAN5:50 pmHanoi Noibai

15h 25m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Dec 17

SEA12:10 amSeattle/Tacoma Intl

19h 25m

1 stop

HAN10:35 amHanoi Noibai

$1,138

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-3:15 pm

1 stop30h 05m

Seattle/Tacoma Intl

Tue 9/15

12:10 am-10:35 am

1 stop20h 25m

$816

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-3:15 pm

1 stop30h 05m

Seattle/Tacoma Intl

Tue 9/15

12:10 am-10:35 am

1 stop20h 25m

$819

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-3:15 pm

1 stop30h 05m

Seattle/Tacoma Intl

Tue 9/15

12:10 am-10:35 am

1 stop20h 25m

$822

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-3:15 pm

1 stop30h 05m

Seattle/Tacoma Intl

Tue 9/15

12:10 am-10:35 am

1 stop20h 25m

$824

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-10:40 am

1 stop25h 30m

Seattle/Tacoma Intl

Wed 9/16

12:50 pm-9:35 pm

1 stop18h 45m

$852

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 9/3

11:10 pm-10:40 am

1 stop25h 30m

Seattle/Tacoma Intl

Wed 9/16

12:50 pm-9:35 pm

1 stop18h 45m

$853

Quickest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 10/16

1:25 pm-3:15 pm

1 stop15h 50m

Seattle/Tacoma Intl

Mon 10/19

12:10 am-12:15 pm

1 stop22h 05m

$855

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Tue 11/10

7:30 pm-9:10 am

1 stop28h 40m

Seattle/Tacoma Intl

Tue 11/17

10:50 am-10:05 am

1 stop32h 15m

$858

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 9/18

11:10 pm-1:37 pm

1 stop28h 27m

Seattle/Tacoma Intl

Fri 9/25

1:00 pm-10:35 am

1 stop31h 35m

$866

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 9/9

11:10 pm-1:37 pm

1 stop28h 27m

Seattle/Tacoma Intl

Sun 9/20

1:00 pm-9:35 pm

1 stop18h 35m

$867

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 August 2026, prices for Hanoi to Seattle flights are approximately 4% 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

Fastest flight time	25h 30m
Direct flights	None

The fastest flight from Hanoi to Seattle takes 25h 30m

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 25h 30m 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

Kent

Lynnwood

Redmond

Lakewood

Puyallup

Fife

Federal Way

Tukwila

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.