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

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

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 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.

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

$796Multiple Airlines

Wed, Feb 3 - Sun, Feb 21

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

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

$863Philippine Airlines

Tue, Feb 2 - Mon, Feb 22

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

$881Philippine Airlines

Sun, Nov 8 - Mon, Nov 16

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

11:40 pm - 9:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

24h 25m2 stops Ho Chi Minh City Incheon Intl

8:40 am - 3:10 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

39h 30m1 stop Singapore Changi

$889Multiple Airlines

Wed, Feb 3 - Sun, Feb 21

12:05 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

17h 10m1 stop Incheon Intl

12:10 am - 11:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

21h 00m1 stop Incheon Intl

$890Korean Air

Fri, Oct 23 - Thu, Oct 29

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

11:35 am - 6:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

21h 35m1 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

$897China Airlines

Thu, Nov 12 - Sun, Nov 15

11:35 am - 6:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

21h 35m1 stop Taipei City Taiwan Taoyuan Intl

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

19h 25m1 stop Taipei City Taiwan Taoyuan Intl

$976China Airlines

Sun, Dec 27 - Mon, Jan 11

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Philippine Airlines flights from Hanoi to Seattle

Our best Philippine Airlines deals on Hanoi to Seattle flight tickets

Philippine Airlines

Feb 2

HAN2:35 amHanoi Noibai

31h 10m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Feb 22

SEA9:30 pmSeattle/Tacoma Intl

36h 55m

1 stop

HAN1:25 amHanoi Noibai

$863

Philippine Airlines

Nov 8

HAN2:35 amHanoi Noibai

31h 10m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Nov 16

SEA9:30 pmSeattle/Tacoma Intl

36h 55m

1 stop

HAN1:25 amHanoi Noibai

$881

Philippine Airlines

Nov 12

HAN2:25 pmHanoi Noibai

19h 20m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Nov 16

SEA9:30 pmSeattle/Tacoma Intl

36h 55m

1 stop

HAN1:25 amHanoi Noibai

$894

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

Dec 29

HAN11:15 amHanoi Noibai

22h 28m

2 stops

SEA6:43 pmSeattle/Tacoma Intl

Jan 11

SEA10:25 amSeattle/Tacoma Intl

32h 40m

1 stop

HAN10:05 amHanoi Noibai

$1,063

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

Sun 2/21

8:40 am-5:30 pm

1 stop41h 50m

$796

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

Tue 2/2

2:35 am-6:45 pm

1 stop31h 10m

Seattle/Tacoma Intl

Mon 2/22

9:30 pm-1:25 am

1 stop36h 55m

$863

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sun 11/8

2:35 am-6:45 pm

1 stop31h 10m

Seattle/Tacoma Intl

Mon 11/16

9:30 pm-1:25 am

1 stop36h 55m

$881

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

Wed 2/3

11:40 pm-9:05 am

2 stops24h 25m

Seattle/Tacoma Intl

Sun 2/21

8:40 am-3:10 pm

1 stop39h 30m

$889

Quickest round-trip

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Fri 10/23

12:05 pm-3:15 pm

1 stop17h 10m

Seattle/Tacoma Intl

Thu 10/29

12:10 am-11:10 am

1 stop21h 00m

$890

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

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Thu 11/12

11:35 am-6:10 pm

1 stop21h 35m

Seattle/Tacoma Intl

Sun 11/15

12:10 am-4:30 pm

1 stop25h 20m

$897

HanoiSeattle

HAN Hanoi Noibai - SEA Seattle/Tacoma Intl

HANSEA

Hanoi Noibai

Sun 12/27

11:35 am-6:10 pm

1 stop21h 35m

Seattle/Tacoma Intl

Mon 1/11

12:10 am-10:35 am

1 stop19h 25m

$976

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	17h 10m
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 $796.

The fastest flight from Hanoi to Seattle takes 17h 10m

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 17h 10m 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

Redmond

Lakewood

Federal Way

Fife

Tukwila

Puyallup

Lynnwood

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.