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 offers the lowest fares from Hanoi to Seattle?

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

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 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 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.

$399 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 - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 25m1 stop Incheon Intl

$833Multiple Airlines

Sat, Sep 12 - Thu, Sep 17

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

15h 50m1 stop Incheon Intl

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

31h 50m1 stop Incheon Intl

$855Asiana Airlines

Fri, Oct 16 - Sun, Oct 18

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

25h 30m1 stop Incheon Intl

12:50 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 45m1 stop Incheon Intl

$920Korean Air

Fri, Oct 16 - Mon, Oct 19

10:55 am - 10:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

37h 10m1 stop Hong Kong Intl

2:56 pm - 9:50 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

28h 54m2 stops Los Angeles Hong Kong Intl

$956Multiple Airlines

Sun, Sep 20 - Sat, Sep 26

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

28h 27m1 stop Incheon Intl

7:15 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

37h 20m2 stops Los Angeles Incheon Intl

$957Delta

Sat, Sep 12 - Fri, Sep 18

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

36h 55m2 stops Incheon Intl Los Angeles

7:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

35h 45m2 stops Los Angeles Incheon Intl

$962Delta

Sat, Sep 12 - Fri, Sep 18

5:50 pm - 7:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 4:30 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

25h 20m1 stop Taipei City Taiwan Taoyuan Intl

$991China Airlines

Tue, Sep 22 - Tue, Dec 15

5:50 pm - 4:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

36h 20m1 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

$993STARLUX Airlines

Thu, Oct 1 - Wed, Oct 7

5:50 pm - 7:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 4:30 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

25h 20m1 stop Taipei City Taiwan Taoyuan Intl

$994China Airlines

Tue, Sep 22 - Tue, Dec 15

10:55 am - 10:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

37h 10m1 stop Hong Kong Intl

3:30 pm - 6:10 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

36h 40m2 stops Vancouver Intl Hong Kong Intl

$1,013Cathay Pacific

Fri, Oct 16 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

10:55 am - 6:32 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

21h 37m2 stops Hong Kong Intl Vancouver Intl

11:45 am - 9:50 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

32h 05m1 stop Hong Kong Intl

$1,069Cathay Pacific

Thu, Aug 20 - Sat, Sep 19

10:55 am - 4:27 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

43h 32m2 stops Hong Kong Intl San Francisco

11:45 am - 9:50 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

32h 05m1 stop Hong Kong Intl

$1,173Cathay Pacific

Thu, Aug 20 - Sat, Sep 19

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

$1,188STARLUX Airlines

Thu, Aug 20 - Fri, Sep 18

10:55 am - 6:32 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

21h 37m2 stops Hong Kong Intl Vancouver Intl

5:50 pm - 6:10 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

34h 20m2 stops San Francisco Hong Kong Intl

$1,200Cathay Pacific

Thu, Aug 20 - Sat, Sep 19

7:10 pm - 9:39 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

40h 29m2 stops Hong Kong Intl Los Angeles

11:45 am - 9:50 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

32h 05m1 stop Hong Kong Intl

$1,235Cathay Pacific

Thu, Aug 20 - Sat, Sep 19

10:55 am - 8:08 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

35h 13m2 stops Hong Kong Intl San Francisco

5:59 pm - 6:10 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

34h 11m2 stops Los Angeles Hong Kong Intl

$1,304Cathay Pacific

Thu, Aug 20 - Sat, Sep 19

11:35 pm - 11:34 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

49h 59m2 stops Tokyo Narita Los Angeles

3:30 pm - 10:15 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

40h 45m2 stops San Francisco Tokyo Narita

$1,305United Airlines

Thu, Aug 20 - Sat, Sep 19

11:35 pm - 11:34 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

49h 59m2 stops Tokyo Narita Los Angeles

3:30 pm - 10:15 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

40h 45m2 stops San Francisco Tokyo Narita

$1,308United Airlines

Thu, Aug 20 - Sat, Sep 19

1:25 pm - 3:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 20m1 stop Incheon Intl

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

22h 05m1 stop Incheon Intl

$1,328Asiana Airlines

Thu, Aug 20 - Fri, Sep 18

1:25 pm - 3:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 20m1 stop Incheon Intl

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

22h 05m1 stop Incheon Intl

$1,331Asiana Airlines

Thu, Aug 20 - Fri, Sep 18

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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 16

HAN11:10 pmHanoi Noibai

25h 30m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Oct 19

SEA12:50 pmSeattle/Tacoma Intl

31h 45m

1 stop

HAN10:35 amHanoi Noibai

$920

Korean Air

Sep 22

HAN12:05 pmHanoi Noibai

36h 35m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Dec 17

SEA11:00 amSeattle/Tacoma Intl

33h 10m

1 stop

HAN11:10 amHanoi Noibai

$1,177

Korean Air

Aug 20

HAN12:05 pmHanoi Noibai

23h 54m

2 stops

SEA9:59 pmSeattle/Tacoma Intl

Sep 19

SEA1:00 pmSeattle/Tacoma Intl

18h 35m

1 stop

HAN9:35 pmHanoi Noibai

$1,419

STARLUX Airlines flights from Hanoi to Seattle

Our best STARLUX Airlines deals on Hanoi to Seattle flight tickets

STARLUX Airlines

Oct 1

HAN5:50 pmHanoi Noibai

36h 20m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Oct 7

SEA1:15 amSeattle/Tacoma Intl

18h 55m

1 stop

HAN10:10 amHanoi Noibai

$993

STARLUX Airlines

Sep 27

HAN11:10 amHanoi Noibai

19h 00m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Oct 3

SEA1:15 amSeattle/Tacoma Intl

18h 55m

1 stop

HAN10:10 amHanoi Noibai

$1,088

STARLUX Airlines

Aug 20

HAN5:50 pmHanoi Noibai

36h 45m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Sep 18

SEA1:15 amSeattle/Tacoma Intl

18h 55m

1 stop

HAN10:10 amHanoi Noibai

$1,188

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sat 9/12

11:10 pm-3:15 pm

1 stop30h 05m

Seattle/Tacoma Intl

Thu 9/17

12:10 am-9:35 pm

1 stop31h 25m

$833

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

Sun 10/18

12:10 am-10:00 pm

1 stop31h 50m

$855

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 10/16

11:10 pm-10:40 am

1 stop25h 30m

Seattle/Tacoma Intl

Mon 10/19

12:50 pm-10:35 am

1 stop31h 45m

$920

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sun 9/20

10:55 am-10:05 am

1 stop37h 10m

Seattle/Tacoma Intl

Sat 9/26

2:56 pm-9:50 am

2 stops28h 54m

$956

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sat 9/12

11:10 pm-1:37 pm

1 stop28h 27m

Seattle/Tacoma Intl

Fri 9/18

7:15 am-10:35 am

2 stops37h 20m

$957

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sat 9/12

11:10 pm-10:05 pm

2 stops36h 55m

Seattle/Tacoma Intl

Fri 9/18

7:50 pm-9:35 pm

2 stops35h 45m

$962

Quickest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Tue 9/22

5:50 pm-7:15 pm

1 stop15h 25m

Seattle/Tacoma Intl

Tue 12/15

12:10 am-4:30 pm

1 stop25h 20m

$991

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 10/1

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Wed 10/7

1:15 am-10:10 am

1 stop18h 55m

$993

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Tue 9/22

5:50 pm-7:15 pm

1 stop15h 25m

Seattle/Tacoma Intl

Tue 12/15

12:10 am-4:30 pm

1 stop25h 20m

$994

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 10/16

10:55 am-10:05 am

1 stop37h 10m

Seattle/Tacoma Intl

Mon 10/19

3:30 pm-6:10 pm

2 stops36h 40m

$1,013

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

Best Price Found	$399
Fastest flight time	21h 37m
Direct flights	None

The best one-way flight to Seattle from Hanoi in the past 72 hours is $399. The best round-trip flight deal from Hanoi to Seattle found on momondo in the last 72 hours is $833.

The fastest flight from Hanoi to Seattle takes 21h 37m

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 21h 37m 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

Federal Way

Puyallup

Tukwila

Fife

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.