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Cheap flights from Hanoi to Seattle from $404

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 1/28. 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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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.
Delta Logo
12:20 pm - 2:20 pm
HAN
-
SEA
16h 00m1 stop
Delta Logo
12:45 pm - 9:35 pm
SEA
-
HAN
18h 50m1 stop
$815Delta
Tue, Mar 24 - Tue, Apr 14
Korean Air Logo
11:05 pm - 10:00 am
HAN
-
SEA
24h 55m1 stop
Korean Air Logo
12:00 pm - 11:10 am
SEA
-
HAN
33h 10m1 stop
$819Korean Air
Mon, Mar 9 - Tue, Mar 10
Korean Air Logo
12:20 pm - 10:00 am
HAN
-
SEA
35h 40m1 stop
Korean Air Logo
12:50 pm - 10:40 am
SEA
-
HAN
31h 50m1 stop
$821Korean Air
Sun, Mar 22 - Wed, Apr 15
Multiple Airlines Logo
9:35 am - 7:40 pm
HAN
-
SEA
24h 05m2 stops
Multiple Airlines Logo
12:50 pm - 9:35 pm
SEA
-
HAN
18h 45m1 stop
$857Multiple Airlines
Tue, Mar 24 - Thu, Apr 16
Multiple Airlines Logo
9:35 am - 7:40 pm
HAN
-
SEA
48h 05m2 stops
Multiple Airlines Logo
12:50 pm - 9:35 pm
SEA
-
HAN
18h 45m1 stop
$858Multiple Airlines
Wed, Mar 25 - Thu, Apr 16
Multiple Airlines Logo
9:35 am - 7:40 pm
HAN
-
SEA
24h 05m2 stops
Multiple Airlines Logo
12:50 pm - 9:35 pm
SEA
-
HAN
18h 45m1 stop
$864Multiple Airlines
Wed, Mar 25 - Mon, Apr 13
Multiple Airlines Logo
9:35 am - 7:40 pm
HAN
-
SEA
24h 05m2 stops
Multiple Airlines Logo
12:10 am - 12:15 pm
SEA
-
HAN
22h 05m1 stop
$869Multiple Airlines
Tue, Mar 24 - Fri, Apr 17
Asiana Airlines Logo
1:30 pm - 2:55 pm
HAN
-
SEA
15h 25m1 stop
Asiana Airlines Logo
12:10 am - 10:00 pm
SEA
-
HAN
31h 50m1 stop
$871Asiana Airlines
Fri, Mar 27 - Thu, Apr 16
China Airlines Logo
11:20 am - 7:10 pm
HAN
-
SEA
21h 50m1 stop
China Airlines Logo
1:10 am - 4:50 pm
SEA
-
HAN
25h 40m1 stop
$874China Airlines
Sat, Mar 28 - Sun, Apr 12
Multiple Airlines Logo
9:35 am - 7:40 pm
HAN
-
SEA
24h 05m2 stops
Multiple Airlines Logo
12:10 am - 12:15 pm
SEA
-
HAN
22h 05m1 stop
$875Multiple Airlines
Wed, Mar 25 - Fri, Apr 17

Delta flights from Hanoi to Seattle

Our best Delta deals on Hanoi to Seattle flight tickets
Delta
Mar 24
HAN12:20 pmHanoi Noibai
16h 00m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
Apr 14
SEA12:45 pmSeattle/Tacoma Intl
18h 50m
1 stop
HAN9:35 pmHanoi Noibai
$815
Find similar
Delta
Mar 24
HAN12:20 pmHanoi Noibai
16h 00m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
Apr 14
SEA7:20 amSeattle/Tacoma Intl
37h 20m
2 stops
HAN10:40 amHanoi Noibai
$915
Find similar
Delta
Mar 27
HAN12:20 pmHanoi Noibai
16h 00m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
Apr 15
SEA2:00 pmSeattle/Tacoma Intl
30h 40m
2 stops
HAN10:40 amHanoi Noibai
$918
Find similar

Korean Air flights from Hanoi to Seattle

Our best Korean Air deals on Hanoi to Seattle flight tickets
Korean Air
Mar 9
HAN11:05 pmHanoi Noibai
24h 55m
1 stop
SEA10:00 amSeattle/Tacoma Intl
Mar 10
SEA12:00 pmSeattle/Tacoma Intl
33h 10m
1 stop
HAN11:10 amHanoi Noibai
$819
Find similar
Korean Air
Mar 22
HAN11:05 pmHanoi Noibai
24h 55m
1 stop
SEA10:00 amSeattle/Tacoma Intl
Apr 14
SEA12:50 pmSeattle/Tacoma Intl
18h 45m
1 stop
HAN9:35 pmHanoi Noibai
$821
Find similar
Korean Air
Jan 16
HAN12:20 pmHanoi Noibai
16h 00m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
Jan 23
SEA11:00 amSeattle/Tacoma Intl
19h 45m
1 stop
HAN9:45 pmHanoi Noibai
$919
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 December 4, 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

Tue 3/24

12:20 pm-2:20 pm

1 stop16h 00m

Seattle/Tacoma Intl

Tue 4/14

12:45 pm-9:35 pm

1 stop18h 50m

$815

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 3/9

11:05 pm-10:00 am

1 stop24h 55m

Seattle/Tacoma Intl

Tue 3/10

12:00 pm-11:10 am

1 stop33h 10m

$819

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 3/22

12:20 pm-10:00 am

1 stop35h 40m

Seattle/Tacoma Intl

Wed 4/15

12:50 pm-10:40 am

1 stop31h 50m

$821

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 3/24

9:35 am-7:40 pm

2 stops24h 05m

Seattle/Tacoma Intl

Thu 4/16

12:50 pm-9:35 pm

1 stop18h 45m

$857

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 3/25

9:35 am-7:40 pm

2 stops48h 05m

Seattle/Tacoma Intl

Thu 4/16

12:50 pm-9:35 pm

1 stop18h 45m

$858

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 3/25

9:35 am-7:40 pm

2 stops24h 05m

Seattle/Tacoma Intl

Mon 4/13

12:50 pm-9:35 pm

1 stop18h 45m

$864

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 3/24

9:35 am-7:40 pm

2 stops24h 05m

Seattle/Tacoma Intl

Fri 4/17

12:10 am-12:15 pm

1 stop22h 05m

$869

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 3/27

1:30 pm-2:55 pm

1 stop15h 25m

Seattle/Tacoma Intl

Thu 4/16

12:10 am-10:00 pm

1 stop31h 50m

$871

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 3/28

11:20 am-7:10 pm

1 stop21h 50m

Seattle/Tacoma Intl

Sun 4/12

1:10 am-4:50 pm

1 stop25h 40m

$874

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 3/25

9:35 am-7:40 pm

2 stops24h 05m

Seattle/Tacoma Intl

Fri 4/17

12:10 am-12:15 pm

1 stop22h 05m

$875

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 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 December 2025, prices for Hanoi to Seattle flights are approximately 9% 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

20h 35m

Direct flights

None
The fastest flight from Hanoi to Seattle takes 20h 35m
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 25m 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
787 reviews
Search China Airlines flights
EVA AirPriceFrom $887Free CancellationRating
8.4
1,292 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
Tukwila
Redmond
Cle Elum
Federal Way
Lakewood
Fife
Centralia
Westport
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.

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