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.

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

Alaska Airlines, Qatar Airways, and China Airlines are the most popular carriers 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.

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.

$403 Cheap Flights from Hanoi to Seattle in 2026/27

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.

7:10 pm - 11:40 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

31h 30m1 stop Doha Hamad Intl

8:40 am - 5:30 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

41h 50m1 stop Singapore Changi

$829Multiple Airlines

Wed, Feb 3 - Sat, Feb 27

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

27h 45m1 stop Singapore Changi

8:40 am - 11:30 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

35h 50m1 stop Singapore Changi

$840Singapore Airlines

Thu, Nov 12 - Wed, Nov 25

2:35 am - 6:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

31h 10m1 stop Manila Ninoy Aquino Intl

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

36h 55m1 stop Manila Ninoy Aquino Intl

$867Philippine Airlines

Thu, Nov 12 - Fri, Nov 20

11:15 am - 8:45 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

36h 30m1 stop Hong Kong Intl

10:25 am - 10:05 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

32h 40m1 stop Hong Kong Intl

$882Cathay Pacific

Tue, Nov 10 - Tue, Nov 17

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

$885Korean Air

Sat, Oct 17 - Thu, Oct 22

2:25 pm - 6:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

19h 20m1 stop Manila Ninoy Aquino Intl

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

36h 55m1 stop Manila Ninoy Aquino Intl

$894Philippine Airlines

Thu, Nov 12 - Mon, Nov 16

11:05 pm - 2:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

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

19h 45m1 stop Incheon Intl

$900Korean Air

Wed, Feb 3 - Sat, Feb 20

7:10 pm - 11:40 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

31h 30m1 stop Doha Hamad Intl

5:55 pm - 11:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

26h 15m2 stops Los Angeles Incheon Intl

$939Multiple Airlines

Wed, Feb 3 - Sat, Feb 27

7:10 pm - 11:40 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

31h 30m1 stop Doha Hamad Intl

4:15 pm - 11:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

27h 55m2 stops Las Vegas Harry Reid Intl Incheon Intl

$940Multiple Airlines

Wed, Feb 3 - Sat, Feb 20

11:05 pm - 9:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

25h 00m1 stop Incheon Intl

4:36 pm - 9:45 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

38h 09m2 stops Las Vegas Harry Reid Intl Incheon Intl

$941Korean Air

Thu, Nov 12 - Wed, Nov 25

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Cathay Pacific flights from Hanoi to Seattle

Our best Cathay Pacific deals on Hanoi to Seattle flight tickets

Cathay Pacific

Nov 10

HAN11:15 amHanoi Noibai

36h 30m

1 stop

SEA8:45 amSeattle/Tacoma Intl

Nov 17

SEA10:25 amSeattle/Tacoma Intl

32h 40m

1 stop

HAN10:05 amHanoi Noibai

$882

Cathay Pacific

Nov 12

HAN11:15 amHanoi Noibai

46h 26m

2 stops

SEA6:41 pmSeattle/Tacoma Intl

Nov 16

SEA10:25 amSeattle/Tacoma Intl

32h 40m

1 stop

HAN10:05 amHanoi Noibai

$1,056

Cathay Pacific

Nov 12

HAN7:25 pmHanoi Noibai

38h 16m

2 stops

SEA6:41 pmSeattle/Tacoma Intl

Nov 16

SEA9:39 pmSeattle/Tacoma Intl

53h 36m

2 stops

HAN6:15 pmHanoi Noibai

$1,142

Delta flights from Hanoi to Seattle

Our best Delta deals on Hanoi to Seattle flight tickets

Delta

Feb 3

HAN11:05 pmHanoi Noibai

30h 32m

2 stops

SEA2:37 pmSeattle/Tacoma Intl

Feb 27

SEA9:30 amSeattle/Tacoma Intl

34h 40m

2 stops

HAN11:10 amHanoi Noibai

$1,023

Delta

Jan 5

HAN11:05 pmHanoi Noibai

37h 21m

2 stops

SEA9:26 pmSeattle/Tacoma Intl

Jun 21

SEA5:55 pmSeattle/Tacoma Intl

37h 40m

2 stops

HAN9:35 pmHanoi Noibai

$1,523

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

7:10 pm-11:40 am

1 stop31h 30m

Seattle/Tacoma Intl

Sat 2/27

8:40 am-5:30 pm

1 stop41h 50m

$829

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/12

6:20 pm-7:05 am

1 stop27h 45m

Seattle/Tacoma Intl

Wed 11/25

8:40 am-11:30 am

1 stop35h 50m

$840

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/12

2:35 am-6:45 pm

1 stop31h 10m

Seattle/Tacoma Intl

Fri 11/20

9:30 pm-1:25 am

1 stop36h 55m

$867

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Tue 11/10

11:15 am-8:45 am

1 stop36h 30m

Seattle/Tacoma Intl

Tue 11/17

10:25 am-10:05 am

1 stop32h 40m

$882

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sat 10/17

11:10 pm-10:40 am

1 stop25h 30m

Seattle/Tacoma Intl

Thu 10/22

12:50 pm-10:35 am

1 stop31h 45m

$885

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/12

2:25 pm-6:45 pm

1 stop19h 20m

Seattle/Tacoma Intl

Mon 11/16

9:30 pm-1:25 am

1 stop36h 55m

$894

Quickest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 2/3

11:05 pm-2:10 pm

1 stop30h 05m

Seattle/Tacoma Intl

Sat 2/20

11:00 am-9:45 pm

1 stop19h 45m

$900

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 2/3

7:10 pm-11:40 am

1 stop31h 30m

Seattle/Tacoma Intl

Sat 2/27

5:55 pm-11:10 am

2 stops26h 15m

$939

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Wed 2/3

7:10 pm-11:40 am

1 stop31h 30m

Seattle/Tacoma Intl

Sat 2/20

4:15 pm-11:10 am

2 stops27h 55m

$940

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/12

11:05 pm-9:05 am

1 stop25h 00m

Seattle/Tacoma Intl

Wed 11/25

4:36 pm-9:45 pm

2 stops38h 09m

$941

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 September 2026, prices for Hanoi to Seattle flights are approximately 6% 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	$403
Fastest flight time	19h 20m
Direct flights	None

The best one-way flight to Seattle from Hanoi in the past 72 hours is $403. The best round-trip flight deal from Hanoi to Seattle found on momondo in the last 72 hours is $829.

The fastest flight from Hanoi to Seattle takes 19h 20m

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 19h 20m 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

Kent

Redmond

Olympia

Lakewood

Federal Way

Puyallup

Fife

Lynnwood

Tukwila

Cle Elum

Marysville

Lacey

Centralia

Kirkland

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.