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Cheap flights from Hanoi to Seattle from $406

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hanoi to Seattle departing on 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Hanoi to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
11:30 pm - 2:55 pm
HAN
-
SEA
29h 25m
1 stop
Asiana Airlines Logo
12:55 am - 12:15 pm
SEA
-
HAN
21h 20m
1 stop
$652Asiana Airlines
Sun, Apr 26 - Sun, May 3
Asiana Airlines Logo
11:30 pm - 2:55 pm
HAN
-
SEA
29h 25m
1 stop
Asiana Airlines Logo
12:55 am - 12:15 pm
SEA
-
HAN
21h 20m
1 stop
$667Asiana Airlines
Sat, Apr 25 - Sun, May 3
Asiana Airlines Logo
11:30 pm - 2:55 pm
HAN
-
SEA
29h 25m
1 stop
Asiana Airlines Logo
12:55 am - 12:15 pm
SEA
-
HAN
21h 20m
1 stop
$695Asiana Airlines
Wed, Apr 22 - Sun, May 3
Asiana Airlines Logo
11:30 pm - 2:55 pm
HAN
-
SEA
29h 25m
1 stop
Asiana Airlines Logo
12:55 am - 12:15 pm
SEA
-
HAN
21h 20m
1 stop
$699Asiana Airlines
Wed, Apr 22 - Mon, May 4
Asiana Airlines Logo
1:25 pm - 2:55 pm
HAN
-
SEA
15h 30m
1 stop
Asiana Airlines Logo
12:55 am - 10:00 pm
SEA
-
HAN
31h 05m
1 stop
$718Asiana Airlines
Fri, Apr 24 - Fri, May 1
Asiana Airlines Logo
1:25 pm - 2:55 pm
HAN
-
SEA
15h 30m
1 stop
Asiana Airlines Logo
12:55 am - 12:15 pm
SEA
-
HAN
21h 20m
1 stop
$730Asiana Airlines
Tue, Apr 28 - Thu, Apr 30
Asiana Airlines Logo
1:25 pm - 2:55 pm
HAN
-
SEA
15h 30m
1 stop
Asiana Airlines Logo
12:55 am - 12:15 pm
SEA
-
HAN
21h 20m
1 stop
$735Asiana Airlines
Tue, Apr 28 - Mon, May 4
Asiana Airlines Logo
1:25 pm - 2:55 pm
HAN
-
SEA
15h 30m
1 stop
Asiana Airlines Logo
12:55 am - 12:15 pm
SEA
-
HAN
21h 20m
1 stop
$763Asiana Airlines
Fri, Apr 24 - Fri, May 1
Asiana Airlines Logo
1:25 pm - 2:55 pm
HAN
-
SEA
15h 30m
1 stop
Asiana Airlines Logo
12:55 am - 10:00 pm
SEA
-
HAN
31h 05m
1 stop
$765Asiana Airlines
Fri, Apr 24 - Tue, May 5
Asiana Airlines Logo
1:25 pm - 2:55 pm
HAN
-
SEA
15h 30m
1 stop
Asiana Airlines Logo
12:55 am - 10:00 pm
SEA
-
HAN
31h 05m
1 stop
$770Asiana Airlines
Fri, Apr 24 - Mon, May 4

Cathay Pacific flights from Hanoi to Seattle

Our best Cathay Pacific deals on Hanoi to Seattle flight tickets
Cathay Pacific
Mar 30
HAN7:10 pmHanoi Noibai
28h 55m
1 stop
SEA10:05 amSeattle/Tacoma Intl
Apr 6
SEA11:45 amSeattle/Tacoma Intl
32h 10m
1 stop
HAN9:55 amHanoi Noibai
$883
Cathay Pacific
Apr 22
HAN7:10 pmHanoi Noibai
28h 55m
1 stop
SEA10:05 amSeattle/Tacoma Intl
May 6
SEA8:31 amSeattle/Tacoma Intl
35h 24m
2 stops
HAN9:55 amHanoi Noibai
$887
Cathay Pacific
Apr 24
HAN7:10 pmHanoi Noibai
28h 55m
1 stop
SEA10:05 amSeattle/Tacoma Intl
May 3
SEA7:51 pmSeattle/Tacoma Intl
48h 04m
2 stops
HAN9:55 amHanoi Noibai
$931

Korean Air flights from Hanoi to Seattle

Our best Korean Air deals on Hanoi to Seattle flight tickets
Korean Air
Apr 22
HAN12:05 pmHanoi Noibai
36h 35m
1 stop
SEA10:40 amSeattle/Tacoma Intl
May 3
SEA12:50 pmSeattle/Tacoma Intl
18h 45m
1 stop
HAN9:35 pmHanoi Noibai
$790
Korean Air
May 7
HAN11:10 pmHanoi Noibai
25h 30m
1 stop
SEA10:40 amSeattle/Tacoma Intl
May 10
SEA12:50 pmSeattle/Tacoma Intl
32h 00m
1 stop
HAN10:50 amHanoi Noibai
$865

momondo Fare Finder

 
Customize your flight search to find flights from Hanoi to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Hanoi to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 4/26

11:30 pm-2:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Sun 5/3

12:55 am-12:15 pm

1 stop21h 20m

$652

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 4/25

11:30 pm-2:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Sun 5/3

12:55 am-12:15 pm

1 stop21h 20m

$667

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/22

11:30 pm-2:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Sun 5/3

12:55 am-12:15 pm

1 stop21h 20m

$695

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/22

11:30 pm-2:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Mon 5/4

12:55 am-12:15 pm

1 stop21h 20m

$699

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 4/24

1:25 pm-2:55 pm

1 stop15h 30m

Seattle/Tacoma Intl

Fri 5/1

12:55 am-10:00 pm

1 stop31h 05m

$718

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 4/28

1:25 pm-2:55 pm

1 stop15h 30m

Seattle/Tacoma Intl

Thu 4/30

12:55 am-12:15 pm

1 stop21h 20m

$730

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 4/28

1:25 pm-2:55 pm

1 stop15h 30m

Seattle/Tacoma Intl

Mon 5/4

12:55 am-12:15 pm

1 stop21h 20m

$735

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 4/24

1:25 pm-2:55 pm

1 stop15h 30m

Seattle/Tacoma Intl

Fri 5/1

12:55 am-12:15 pm

1 stop21h 20m

$763

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 4/24

1:25 pm-2:55 pm

1 stop15h 30m

Seattle/Tacoma Intl

Tue 5/5

12:55 am-10:00 pm

1 stop31h 05m

$765

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 4/24

1:25 pm-2:55 pm

1 stop15h 30m

Seattle/Tacoma Intl

Mon 5/4

12:55 am-10:00 pm

1 stop31h 05m

$770

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

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

How have Hanoi to Seattle flight prices changed over time?

As of February 2026, prices for Hanoi to Seattle flights are approximately 19% 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

15h 30m

Direct flights

None
The fastest flight from Hanoi to Seattle takes 15h 30m
There are no direct flights from Hanoi to Seattle. There are no popular flight routes from Hanoi to Seattle.
Search flight deals

  • 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 15h 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 many operators does momondo search for flights from Hanoi Noibai Airport to Seattle/Tacoma Intl Airport?

  • 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.

  • What is the most popular airline from Hanoi to Seattle?

Best airlines flying from Hanoi to Seattle

Compare and see reviews for airlines that fly from Hanoi to Seattle with momondo
Airline
Rating
Free Cancellation
Price
China AirlinesPriceFrom $794Free CancellationRating
8.3
804 reviews
Search China Airlines flights
EVA AirPriceFrom $813Free CancellationRating
8.4
1,353 reviews
Search EVA Air flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Westport
Centralia
Fife
Tumwater

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.

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