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Cheap flights from Hanoi to Seattle from $403

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 10/29. 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.
China Airlines Logo
11:30 am - 7:15 pm
HAN
-
SEA
21h 45m
1 stop
China Airlines Logo
12:10 am - 10:35 am
SEA
-
HAN
19h 25m
1 stop
$882China Airlines
Tue, Sep 22 - Mon, Feb 22
Asiana Airlines Logo
11:30 pm - 3:15 pm
HAN
-
SEA
29h 45m
1 stop
Asiana Airlines Logo
12:10 am - 10:00 pm
SEA
-
HAN
31h 50m
1 stop
$890Asiana Airlines
Thu, Oct 15 - Sun, Oct 18
Korean Air Logo
12:05 pm - 11:00 am
HAN
-
SEA
36h 55m
1 stop
Korean Air Logo
1:20 pm - 10:35 am
SEA
-
HAN
31h 15m
1 stop
$930Korean Air
Tue, Jun 16 - Tue, Jun 23
United Airlines Logo
11:35 pm - 11:26 pm
HAN
-
SEA
37h 51m
2 stops
United Airlines Logo
8:40 am - 10:15 pm
SEA
-
HAN
23h 35m
2 stops
$951United Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
8:45 am - 12:25 pm
HAN
-
SEA
41h 40m
1 stop
Multiple Airlines Logo
12:10 am - 12:15 pm
SEA
-
HAN
22h 05m
1 stop
$958Multiple Airlines
Mon, Aug 24 - Sun, Sep 13
United Airlines Logo
11:35 pm - 11:26 pm
HAN
-
SEA
37h 51m
2 stops
United Airlines Logo
8:40 pm - 10:15 pm
SEA
-
HAN
35h 35m
2 stops
$964United Airlines
Thu, Oct 15 - Mon, Oct 19
Korean Air Logo
12:05 pm - 11:00 am
HAN
-
SEA
36h 55m
1 stop
Korean Air Logo
1:20 pm - 10:35 am
SEA
-
HAN
31h 15m
1 stop
$965Korean Air
Wed, Jun 3 - Wed, Jun 10
Qatar Airways Logo
1:55 am - 2:45 pm
HAN
-
SEA
26h 50m
1 stop
Qatar Airways Logo
5:05 pm - 7:15 am
SEA
-
HAN
24h 10m
1 stop
$974Qatar Airways
Wed, Jun 10 - Mon, Jun 15
Qatar Airways Logo
2:00 am - 2:45 pm
HAN
-
SEA
26h 45m
1 stop
Qatar Airways Logo
5:05 pm - 1:55 pm
SEA
-
HAN
30h 50m
1 stop
$975Qatar Airways
Sun, May 31 - Mon, Jun 8
China Airlines Logo
5:50 pm - 7:15 pm
HAN
-
SEA
15h 25m
1 stop
China Airlines Logo
1:15 am - 10:30 am
SEA
-
HAN
19h 15m
1 stop
$981China Airlines
Tue, May 19 - Thu, May 21

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China Airlines flights from Hanoi to Seattle

Our best China Airlines deals on Hanoi to Seattle flight tickets
China Airlines
Sep 22
HAN11:30 amHanoi Noibai
21h 45m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Feb 22
SEA12:10 amSeattle/Tacoma Intl
19h 25m
1 stop
HAN10:35 amHanoi Noibai
$882
China Airlines
May 19
HAN5:50 pmHanoi Noibai
15h 25m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
May 21
SEA1:15 amSeattle/Tacoma Intl
19h 15m
1 stop
HAN10:30 amHanoi Noibai
$981
China Airlines
Oct 15
HAN6:00 amHanoi Noibai
27h 15m
2 stops
SEA7:15 pmSeattle/Tacoma Intl
Oct 18
SEA1:15 amSeattle/Tacoma Intl
19h 15m
1 stop
HAN10:30 amHanoi Noibai
$1,154

Asiana Airlines flights from Hanoi to Seattle

Our best Asiana Airlines deals on Hanoi to Seattle flight tickets
Asiana Airlines
Oct 15
HAN11:30 pmHanoi Noibai
29h 45m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
Oct 18
SEA12:10 amSeattle/Tacoma Intl
31h 50m
1 stop
HAN10:00 pmHanoi Noibai
$890
Asiana Airlines
Jun 12
HAN1:25 pmHanoi Noibai
15h 50m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
Jul 31
SEA12:10 amSeattle/Tacoma Intl
31h 50m
1 stop
HAN10:00 pmHanoi Noibai
$1,055

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 6, 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

Tue 9/22

11:30 am-7:15 pm

1 stop21h 45m

Seattle/Tacoma Intl

Mon 2/22

12:10 am-10:35 am

1 stop19h 25m

$882

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 10/15

11:30 pm-3:15 pm

1 stop29h 45m

Seattle/Tacoma Intl

Sun 10/18

12:10 am-10:00 pm

1 stop31h 50m

$890

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 6/16

12:05 pm-11:00 am

1 stop36h 55m

Seattle/Tacoma Intl

Tue 6/23

1:20 pm-10:35 am

1 stop31h 15m

$930

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 10/15

11:35 pm-11:26 pm

2 stops37h 51m

Seattle/Tacoma Intl

Mon 10/19

8:40 am-10:15 pm

2 stops23h 35m

$951

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 8/24

8:45 am-12:25 pm

1 stop41h 40m

Seattle/Tacoma Intl

Sun 9/13

12:10 am-12:15 pm

1 stop22h 05m

$958

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 10/15

11:35 pm-11:26 pm

2 stops37h 51m

Seattle/Tacoma Intl

Mon 10/19

8:40 pm-10:15 pm

2 stops35h 35m

$964

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 6/3

12:05 pm-11:00 am

1 stop36h 55m

Seattle/Tacoma Intl

Wed 6/10

1:20 pm-10:35 am

1 stop31h 15m

$965

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 6/10

1:55 am-2:45 pm

1 stop26h 50m

Seattle/Tacoma Intl

Mon 6/15

5:05 pm-7:15 am

1 stop24h 10m

$974

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 5/31

2:00 am-2:45 pm

1 stop26h 45m

Seattle/Tacoma Intl

Mon 6/8

5:05 pm-1:55 pm

1 stop30h 50m

$975
Quickest round-trip

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 5/19

5:50 pm-7:15 pm

1 stop15h 25m

Seattle/Tacoma Intl

Thu 5/21

1:15 am-10:30 am

1 stop19h 15m

$981

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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

25h 30m

Direct flights

None
The fastest flight from Hanoi to Seattle takes 25h 30m
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 25h 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
822 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
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Marysville
Puyallup
Tukwila
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Shoreline
Westport
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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