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Cheap flights from Hanoi to Seattle from $506

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 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Korean Air Logo
11:10 pm - 11:00 am
HAN
-
SEA
25h 50m
1 stop
Korean Air Logo
1:20 pm - 10:35 am
SEA
-
HAN
31h 15m
1 stop
$866Korean Air
Sat, Jun 6 - Tue, Jun 16
Korean Air Logo
11:10 pm - 11:00 am
HAN
-
SEA
25h 50m
1 stop
Korean Air Logo
1:20 pm - 9:35 pm
SEA
-
HAN
18h 15m
1 stop
$890Korean Air
Wed, Jun 17 - Thu, Jul 23
Korean Air Logo
11:10 pm - 11:00 am
HAN
-
SEA
25h 50m
1 stop
Korean Air Logo
1:20 pm - 10:35 am
SEA
-
HAN
31h 15m
1 stop
$891Korean Air
Sat, Jun 6 - Sat, Jun 13
Korean Air Logo
11:10 pm - 11:00 am
HAN
-
SEA
25h 50m
1 stop
Korean Air Logo
1:20 pm - 9:35 pm
SEA
-
HAN
18h 15m
1 stop
$939Korean Air
Sat, Jun 6 - Sun, Jun 14
Korean Air Logo
12:05 pm - 11:00 am
HAN
-
SEA
36h 55m
1 stop
Korean Air Logo
1:20 pm - 9:35 pm
SEA
-
HAN
18h 15m
1 stop
$966Korean Air
Sat, Jun 6 - Sat, Jun 13
China Airlines Logo
5:50 pm - 7:15 pm
HAN
-
SEA
15h 25m
1 stop
China Airlines Logo
1:55 am - 10:30 am
SEA
-
HAN
18h 35m
1 stop
$974China Airlines
Tue, Jun 30 - Thu, Jul 30
Delta Logo
11:10 pm - 1:25 pm
HAN
-
SEA
28h 15m
1 stop
Delta Logo
7:20 am - 10:35 am
SEA
-
HAN
37h 15m
2 stops
$986Delta
Sat, Jun 6 - Sun, Jun 14
Multiple Airlines Logo
7:30 pm - 12:25 pm
HAN
-
SEA
30h 55m
1 stop
Multiple Airlines Logo
7:00 am - 10:15 pm
SEA
-
HAN
25h 15m
2 stops
$990Multiple Airlines
Sun, Jun 28 - Sat, Jul 25
Delta Logo
12:05 pm - 9:17 pm
HAN
-
SEA
23h 12m
2 stops
Delta Logo
7:20 am - 10:35 am
SEA
-
HAN
37h 15m
2 stops
$991Delta
Sat, Jun 6 - Sun, Jun 14
Delta Logo
12:05 pm - 1:51 pm
HAN
-
SEA
39h 46m
2 stops
Delta Logo
1:20 pm - 10:35 am
SEA
-
HAN
31h 15m
1 stop
$992Delta
Sat, Jun 6 - Sat, Jun 13

China Airlines flights from Hanoi to Seattle

Our best China Airlines deals on Hanoi to Seattle flight tickets
China Airlines
Jun 30
HAN5:50 pmHanoi Noibai
15h 25m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jul 30
SEA1:55 amSeattle/Tacoma Intl
18h 35m
1 stop
HAN10:30 amHanoi Noibai
$974
China Airlines
Jul 6
HAN5:50 pmHanoi Noibai
15h 55m
1 stop
SEA7:45 pmSeattle/Tacoma Intl
Jul 12
SEA1:55 amSeattle/Tacoma Intl
18h 35m
1 stop
HAN10:30 amHanoi Noibai
$1,029
China Airlines
Oct 1
HAN11:30 amHanoi Noibai
21h 45m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Oct 15
SEA1:15 amSeattle/Tacoma Intl
19h 15m
1 stop
HAN10:30 amHanoi Noibai
$1,533

Korean Air flights from Hanoi to Seattle

Our best Korean Air deals on Hanoi to Seattle flight tickets
Korean Air
Jun 1
HAN11:10 pmHanoi Noibai
25h 50m
1 stop
SEA11:00 amSeattle/Tacoma Intl
Jul 22
SEA1:20 pmSeattle/Tacoma Intl
18h 15m
1 stop
HAN9:35 pmHanoi Noibai
$864
Korean Air
Jun 1
HAN12:05 pmHanoi Noibai
36h 55m
1 stop
SEA11:00 amSeattle/Tacoma Intl
Jul 22
SEA1:20 pmSeattle/Tacoma Intl
31h 15m
1 stop
HAN10:35 amHanoi Noibai
$865
Korean Air
Jun 6
HAN11:10 pmHanoi Noibai
25h 50m
1 stop
SEA11:00 amSeattle/Tacoma Intl
Jun 16
SEA1:20 pmSeattle/Tacoma Intl
31h 15m
1 stop
HAN10:35 amHanoi Noibai
$866

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 May 24, 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

Cheapest round-trip

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 6/6

11:10 pm-11:00 am

1 stop25h 50m

Seattle/Tacoma Intl

Tue 6/16

1:20 pm-10:35 am

1 stop31h 15m

$866

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 6/17

11:10 pm-11:00 am

1 stop25h 50m

Seattle/Tacoma Intl

Thu 7/23

1:20 pm-9:35 pm

1 stop18h 15m

$890

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 6/6

11:10 pm-11:00 am

1 stop25h 50m

Seattle/Tacoma Intl

Sat 6/13

1:20 pm-10:35 am

1 stop31h 15m

$891

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 6/6

11:10 pm-11:00 am

1 stop25h 50m

Seattle/Tacoma Intl

Sun 6/14

1:20 pm-9:35 pm

1 stop18h 15m

$939

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 6/6

12:05 pm-11:00 am

1 stop36h 55m

Seattle/Tacoma Intl

Sat 6/13

1:20 pm-9:35 pm

1 stop18h 15m

$966
Quickest round-trip

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 6/30

5:50 pm-7:15 pm

1 stop15h 25m

Seattle/Tacoma Intl

Thu 7/30

1:55 am-10:30 am

1 stop18h 35m

$974

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 6/6

11:10 pm-1:25 pm

1 stop28h 15m

Seattle/Tacoma Intl

Sun 6/14

7:20 am-10:35 am

2 stops37h 15m

$986

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 6/28

7:30 pm-12:25 pm

1 stop30h 55m

Seattle/Tacoma Intl

Sat 7/25

7:00 am-10:15 pm

2 stops25h 15m

$990

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 6/6

12:05 pm-9:17 pm

2 stops23h 12m

Seattle/Tacoma Intl

Sun 6/14

7:20 am-10:35 am

2 stops37h 15m

$991

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 6/6

12:05 pm-1:51 pm

2 stops39h 46m

Seattle/Tacoma Intl

Sat 6/13

1:20 pm-10:35 am

1 stop31h 15m

$992

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

What is the typical price of a round-trip flight between Hanoi and Seattle?

What is the cheapest month to fly to Seattle?

In general, October 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 October, then you should wait until March to fly from Hanoi, when ticket prices are also cheap, with an average price of $0.

How have Hanoi to Seattle flight prices changed over time?

As of May 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

Fastest flight time

36h 55m

Direct flights

None
The fastest flight from Hanoi to Seattle takes 36h 55m
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 36h 55m 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
826 reviews
Search China Airlines 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
Redmond
Kent
Puyallup
Lakewood
Tukwila
Marysville
Cle Elum
Federal Way
Fife
Centralia
Westport
Shoreline
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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