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Cheap flights from Hanoi to Seattle from $420

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 2/2. 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.
Singapore Airlines Logo
12:45 pm - 7:10 am
HAN
-
SEA
33h 25m1 stop
Singapore Airlines Logo
8:45 am - 5:25 pm
SEA
-
HAN
41h 40m1 stop
$696Singapore Airlines
Wed, Feb 11 - Sun, Mar 1
Singapore Airlines Logo
6:30 pm - 7:10 am
HAN
-
SEA
27h 40m1 stop
Singapore Airlines Logo
8:45 am - 5:20 pm
SEA
-
HAN
41h 35m1 stop
$768Singapore Airlines
Wed, Feb 11 - Sat, Feb 28
Philippine Airlines Logo
2:50 am - 6:40 pm
HAN
-
SEA
30h 50m1 stop
Philippine Airlines Logo
9:30 pm - 1:45 am
SEA
-
HAN
37h 15m1 stop
$771Philippine Airlines
Mon, Feb 9 - Sun, Feb 22
Singapore Airlines Logo
6:30 pm - 7:10 am
HAN
-
SEA
27h 40m1 stop
Singapore Airlines Logo
8:45 am - 5:25 pm
SEA
-
HAN
41h 40m1 stop
$774Singapore Airlines
Wed, Feb 11 - Sun, Mar 1
Multiple Airlines Logo
9:35 am - 6:40 pm
HAN
-
SEA
24h 05m2 stops
Multiple Airlines Logo
9:30 pm - 1:45 am
SEA
-
HAN
37h 15m1 stop
$785Multiple Airlines
Tue, Feb 10 - Sun, Feb 22
STARLUX Airlines Logo
6:25 pm - 3:05 pm
HAN
-
SEA
35h 40m1 stop
STARLUX Airlines Logo
11:45 pm - 5:25 pm
SEA
-
HAN
26h 40m1 stop
$791STARLUX Airlines
Wed, Feb 11 - Mon, Mar 2
Delta Logo
12:20 pm - 1:20 pm
HAN
-
SEA
16h 00m1 stop
Delta Logo
11:25 am - 11:10 am
SEA
-
HAN
32h 45m1 stop
$796Delta
Wed, Feb 11 - Sun, Feb 22
Singapore Airlines Logo
12:45 pm - 7:10 am
HAN
-
SEA
33h 25m1 stop
Singapore Airlines Logo
8:45 am - 5:25 pm
SEA
-
HAN
41h 40m1 stop
$803Singapore Airlines
Thu, Feb 12 - Sun, Mar 1
Singapore Airlines Logo
12:45 pm - 7:10 am
HAN
-
SEA
33h 25m1 stop
Singapore Airlines Logo
8:45 am - 5:25 pm
SEA
-
HAN
41h 40m1 stop
$804Singapore Airlines
Thu, Feb 12 - Sun, Feb 22
Singapore Airlines Logo
12:45 pm - 7:10 am
HAN
-
SEA
33h 25m1 stop
Singapore Airlines Logo
8:45 am - 5:25 pm
SEA
-
HAN
41h 40m1 stop
$811Singapore Airlines
Thu, Feb 12 - Sun, Feb 22

Philippine Airlines flights from Hanoi to Seattle

Our best Philippine Airlines deals on Hanoi to Seattle flight tickets
Philippine Airlines
Feb 9
HAN2:50 amHanoi Noibai
30h 50m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Feb 22
SEA9:30 pmSeattle/Tacoma Intl
37h 15m
1 stop
HAN1:45 amHanoi Noibai
$771
Philippine Airlines
Feb 19
HAN2:50 amHanoi Noibai
30h 50m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Feb 27
SEA9:30 pmSeattle/Tacoma Intl
37h 15m
1 stop
HAN1:45 amHanoi Noibai
$875
Philippine Airlines
Apr 2
HAN1:45 amHanoi Noibai
32h 20m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Apr 3
SEA11:10 pmSeattle/Tacoma Intl
35h 35m
1 stop
HAN12:45 amHanoi Noibai
$967

Singapore Airlines flights from Hanoi to Seattle

Our best Singapore Airlines deals on Hanoi to Seattle flight tickets
Singapore Airlines
Feb 11
HAN12:45 pmHanoi Noibai
33h 25m
1 stop
SEA7:10 amSeattle/Tacoma Intl
Mar 1
SEA8:45 amSeattle/Tacoma Intl
41h 40m
1 stop
HAN5:25 pmHanoi Noibai
$696
Singapore Airlines
Feb 11
HAN6:30 pmHanoi Noibai
27h 40m
1 stop
SEA7:10 amSeattle/Tacoma Intl
Feb 28
SEA8:45 amSeattle/Tacoma Intl
41h 35m
1 stop
HAN5:20 pmHanoi Noibai
$768
Singapore Airlines
Feb 11
HAN6:30 pmHanoi Noibai
27h 40m
1 stop
SEA7:10 amSeattle/Tacoma Intl
Mar 1
SEA8:45 amSeattle/Tacoma Intl
41h 40m
1 stop
HAN5:25 pmHanoi Noibai
$774

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 January 8, 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

Wed 2/11

12:45 pm-7:10 am

1 stop33h 25m

Seattle/Tacoma Intl

Sun 3/1

8:45 am-5:25 pm

1 stop41h 40m

$696

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 2/11

6:30 pm-7:10 am

1 stop27h 40m

Seattle/Tacoma Intl

Sat 2/28

8:45 am-5:20 pm

1 stop41h 35m

$768

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 2/9

2:50 am-6:40 pm

1 stop30h 50m

Seattle/Tacoma Intl

Sun 2/22

9:30 pm-1:45 am

1 stop37h 15m

$771

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 2/11

6:30 pm-7:10 am

1 stop27h 40m

Seattle/Tacoma Intl

Sun 3/1

8:45 am-5:25 pm

1 stop41h 40m

$774

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 2/10

9:35 am-6:40 pm

2 stops24h 05m

Seattle/Tacoma Intl

Sun 2/22

9:30 pm-1:45 am

1 stop37h 15m

$785

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 2/11

6:25 pm-3:05 pm

1 stop35h 40m

Seattle/Tacoma Intl

Mon 3/2

11:45 pm-5:25 pm

1 stop26h 40m

$791

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 2/11

12:20 pm-1:20 pm

1 stop16h 00m

Seattle/Tacoma Intl

Sun 2/22

11:25 am-11:10 am

1 stop32h 45m

$796

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 2/12

12:45 pm-7:10 am

1 stop33h 25m

Seattle/Tacoma Intl

Sun 3/1

8:45 am-5:25 pm

1 stop41h 40m

$803

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 2/12

12:45 pm-7:10 am

1 stop33h 25m

Seattle/Tacoma Intl

Sun 2/22

8:45 am-5:25 pm

1 stop41h 40m

$804

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 2/12

12:45 pm-7:10 am

1 stop33h 25m

Seattle/Tacoma Intl

Sun 2/22

8:45 am-5:25 pm

1 stop41h 40m

$811

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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

How have Hanoi to Seattle flight prices changed over time?

As of January 2026, prices for Hanoi to Seattle flights are approximately 7% 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

19h 50m

Direct flights

None
The fastest flight from Hanoi to Seattle takes 19h 50m
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 19h 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
China AirlinesPriceFrom $794Free CancellationRating
8.3
798 reviews
Search China Airlines flights
EVA AirPriceFrom $813Free CancellationRating
8.4
1,314 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
Puyallup
Redmond
Tukwila
Federal Way
Cle Elum
Lakewood
Fife
Westport
Kirkland
Centralia
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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