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Cheap flights from Hanoi to Seattle from $390

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 11/25. 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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Cheap round-trip flights

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STARLUX Airlines Logo
11:30 am - 3:05 pmHAN-SEA
18h 35m1 stop
STARLUX Airlines Logo
11:45 pm - 10:30 amSEA-HAN
19h 45m1 stop
$812STARLUX Airlines
Find Deal
Sun, Dec 21 - Sun, Dec 28
China Airlines Logo
5:30 pm - 6:10 pmHAN-SEA
15h 40m1 stop
China Airlines Logo
12:10 am - 4:30 pmSEA-HAN
25h 20m1 stop
$851China Airlines
Find Deal
Sun, Dec 21 - Sat, Dec 27
Asiana Airlines Logo
11:50 pm - 1:55 pmHAN-SEA
29h 05m1 stop
Asiana Airlines Logo
12:10 am - 12:10 pmSEA-HAN
22h 00m1 stop
$869Asiana Airlines
Find Deal
Thu, Mar 5 - Sun, Mar 8
STARLUX Airlines Logo
5:50 pm - 4:10 pmHAN-SEA
36h 20m1 stop
STARLUX Airlines Logo
1:15 am - 10:10 amSEA-HAN
18h 55m1 stop
$886STARLUX Airlines
Find Deal
Wed, Apr 1 - Wed, Apr 29
Korean Air Logo
12:20 pm - 9:00 amHAN-SEA
35h 40m1 stop
Korean Air Logo
12:00 pm - 9:45 pmSEA-HAN
19h 45m1 stop
$894Korean Air
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Thu, Mar 5 - Mon, Mar 9
EVA Air Logo
12:35 pm - 6:10 pmHAN-SEA
20h 35m1 stop
EVA Air Logo
12:10 am - 11:35 amSEA-HAN
20h 25m1 stop
$895EVA Air
Find Deal
Sat, Dec 13 - Thu, Jan 1
Multiple Airlines Logo
11:35 am - 6:10 pmHAN-SEA
21h 35m1 stop
Multiple Airlines Logo
8:45 am - 11:30 amSEA-HAN
35h 45m1 stop
$910Multiple Airlines
Find Deal
Sat, Dec 13 - Fri, Jan 2
Multiple Airlines Logo
6:00 pm - 9:10 amHAN-SEA
29h 10m2 stops
Multiple Airlines Logo
8:00 pm - 11:05 amSEA-HAN
25h 05m2 stops
$918Multiple Airlines
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Wed, Apr 1 - Thu, Apr 30
EVA Air Logo
6:00 pm - 9:10 amHAN-SEA
29h 10m2 stops
EVA Air Logo
8:00 pm - 4:50 pmSEA-HAN
30h 50m2 stops
$935EVA Air
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Wed, Apr 1 - Thu, Apr 30
Korean Air Logo
12:00 pm - 10:40 amHAN-SEA
36h 40m1 stop
Korean Air Logo
12:50 pm - 10:40 amSEA-HAN
31h 50m1 stop
$1,094Korean Air
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Wed, Apr 1 - Thu, Apr 30

China Airlines flights from Hanoi to Seattle

Our best China Airlines deals on Hanoi to Seattle flight tickets
China Airlines
Dec 21
HAN5:30 pmHanoi Noibai
15h 40m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 27
SEA12:10 amSeattle/Tacoma Intl
25h 20m
1 stop
HAN4:30 pmHanoi Noibai
$851
Find similar
China Airlines
Dec 19
HAN11:35 amHanoi Noibai
22h 42m
2 stops
SEA7:17 pmSeattle/Tacoma Intl
Dec 25
SEA12:10 amSeattle/Tacoma Intl
19h 25m
1 stop
HAN10:35 amHanoi Noibai
$1,192
Find similar
China Airlines
Mar 5
HAN5:30 pmHanoi Noibai
15h 40m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Mar 8
SEA1:10 amSeattle/Tacoma Intl
22h 55m
2 stops
HAN2:05 pmHanoi Noibai
$1,221
Find similar

EVA Air flights from Hanoi to Seattle

Our best EVA Air deals on Hanoi to Seattle flight tickets
EVA Air
Dec 13
HAN12:35 pmHanoi Noibai
20h 35m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Jan 1
SEA12:10 amSeattle/Tacoma Intl
20h 25m
1 stop
HAN11:35 amHanoi Noibai
$895
Find similar
EVA Air
Apr 1
HAN6:00 pmHanoi Noibai
29h 10m
2 stops
SEA9:10 amSeattle/Tacoma Intl
Apr 30
SEA8:00 pmSeattle/Tacoma Intl
30h 50m
2 stops
HAN4:50 pmHanoi Noibai
$935
Find similar
EVA Air
Apr 1
HAN12:05 pmHanoi Noibai
21h 25m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Apr 30
SEA8:00 pmSeattle/Tacoma Intl
30h 50m
2 stops
HAN4:50 pmHanoi Noibai
$940
Find similar

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 November 6, 2025.
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 12/21

11:30 am-3:05 pm

1 stop18h 35m

Seattle/Tacoma Intl

Sun 12/28

11:45 pm-10:30 am

1 stop19h 45m

$812

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 12/21

5:30 pm-6:10 pm

1 stop15h 40m

Seattle/Tacoma Intl

Sat 12/27

12:10 am-4:30 pm

1 stop25h 20m

$851

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 3/5

11:50 pm-1:55 pm

1 stop29h 05m

Seattle/Tacoma Intl

Sun 3/8

12:10 am-12:10 pm

1 stop22h 00m

$869

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/1

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Wed 4/29

1:15 am-10:10 am

1 stop18h 55m

$886

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 3/5

12:20 pm-9:00 am

1 stop35h 40m

Seattle/Tacoma Intl

Mon 3/9

12:00 pm-9:45 pm

1 stop19h 45m

$894

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 12/13

12:35 pm-6:10 pm

1 stop20h 35m

Seattle/Tacoma Intl

Thu 1/1

12:10 am-11:35 am

1 stop20h 25m

$895

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 12/13

11:35 am-6:10 pm

1 stop21h 35m

Seattle/Tacoma Intl

Fri 1/2

8:45 am-11:30 am

1 stop35h 45m

$910

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/1

6:00 pm-9:10 am

2 stops29h 10m

Seattle/Tacoma Intl

Thu 4/30

8:00 pm-11:05 am

2 stops25h 05m

$918

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/1

6:00 pm-9:10 am

2 stops29h 10m

Seattle/Tacoma Intl

Thu 4/30

8:00 pm-4:50 pm

2 stops30h 50m

$935

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/1

12:00 pm-10:40 am

1 stop36h 40m

Seattle/Tacoma Intl

Thu 4/30

12:50 pm-10:40 am

1 stop31h 50m

$1,094

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 cheapest month to fly to Seattle?

In general, September 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 $795. If you don’t want to visit Seattle in September, then you should wait until December to fly from Hanoi, when ticket prices are also cheap, with an average price of $826.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Hanoi is on a Sunday. momondo users have found tickets for Sunday departures for as low as $868. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Hanoi because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,250.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Hanoi in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $980 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $1,063. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How have Hanoi to Seattle flight prices changed over time?

As of November 2025, prices for Hanoi to Seattle flights are approximately 13% 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

Direct flights

None
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 14h 50m 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
Korean AirPriceFrom $769Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
China AirlinesPriceFrom $794Free CancellationRating
8.3
778 reviews
Search China Airlines flights
EVA AirPriceFrom $887Free CancellationRating
8.4
1,272 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
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
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.

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