Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Hanoi to Seattle from $395

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 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Hanoi to Seattle

Cheap round-trip flights

Logo
6:45 pm - 2:55 pmHAN-SEA
34h 10m2 stops
Logo
12:10 am - 1:30 amSEA-HAN
34h 20m2 stops
$728
Find Deal
Wed, Oct 29 - Tue, Nov 4
Logo
10:40 am - 1:55 pmHAN-SEA
18h 15m1 stop
Logo
12:10 am - 2:10 pmSEA-HAN
23h 00m1 stop
$734
Find Deal
Tue, Nov 18 - Sun, Nov 23
Philippine Airlines Logo
2:50 am - 7:40 pmHAN-SEA
30h 50m1 stop
Philippine Airlines Logo
9:30 pm - 1:50 amSEA-HAN
37h 20m1 stop
$762Philippine Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 5
STARLUX Airlines Logo
11:30 am - 3:05 pmHAN-SEA
18h 35m1 stop
STARLUX Airlines Logo
11:45 pm - 5:25 pmSEA-HAN
26h 40m1 stop
$791STARLUX Airlines
Find Deal
Tue, Nov 18 - Mon, Nov 24
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
$819Korean Air
Find Deal
Thu, Mar 5 - Mon, Mar 9
China Airlines Logo
11:35 am - 6:10 pmHAN-SEA
21h 35m1 stop
China Airlines Logo
1:10 am - 10:35 amSEA-HAN
19h 25m1 stop
$839China Airlines
Find Deal
Thu, Mar 5 - Sun, Mar 8
EVA Air Logo
12:35 pm - 10:00 pmHAN-SEA
24h 25m2 stops
EVA Air Logo
7:10 pm - 5:15 pmSEA-HAN
31h 05m2 stops
$902EVA Air
Find Deal
Tue, Nov 18 - Mon, Nov 24
EVA Air Logo
12:35 pm - 6:10 pmHAN-SEA
20h 35m1 stop
EVA Air Logo
7:10 pm - 5:15 pmSEA-HAN
31h 05m2 stops
$908EVA Air
Find Deal
Tue, Nov 18 - Mon, Nov 24
China Airlines Logo
5:30 pm - 6:10 pmHAN-SEA
15h 40m1 stop
China Airlines Logo
1:10 am - 3:05 pmSEA-HAN
23h 55m2 stops
$1,179China Airlines
Find Deal
Thu, Mar 5 - Sun, Mar 8
Philippine Airlines Logo
2:50 am - 6:40 pmHAN-SEA
30h 50m1 stop
Philippine Airlines Logo
9:30 pm - 1:45 amSEA-HAN
37h 15m1 stop
$3,452Philippine Airlines
Find Deal
Tue, Jan 20 - Sun, Jan 25

Philippine Airlines flights from Hanoi to Seattle

Our best Philippine Airlines deals on Hanoi to Seattle flight tickets
Philippine Airlines
Oct 28
HAN2:50 amHanoi Noibai
30h 50m
1 stop
SEA7:40 pmSeattle/Tacoma Intl
Nov 5
SEA9:30 pmSeattle/Tacoma Intl
37h 20m
1 stop
HAN1:50 amHanoi Noibai
$762
Find similar
Philippine Airlines
Jan 20
HAN2:50 amHanoi Noibai
30h 50m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Jan 25
SEA9:30 pmSeattle/Tacoma Intl
37h 15m
1 stop
HAN1:45 amHanoi Noibai
$3,452
Find similar

United Airlines flights from Hanoi to Seattle

Our best United Airlines deals on Hanoi to Seattle flight tickets
United Airlines
Nov 17
HAN12:25 amHanoi Noibai
36h 08m
3 stops
SEA9:33 pmSeattle/Tacoma Intl
Nov 24
SEA12:41 pmSeattle/Tacoma Intl
43h 24m
3 stops
HAN11:05 pmHanoi Noibai
$927
Find similar
United Airlines
Mar 4
HAN12:25 amHanoi Noibai
29h 40m
2 stops
SEA3:05 pmSeattle/Tacoma Intl
Mar 9
SEA5:15 amSeattle/Tacoma Intl
27h 50m
2 stops
HAN11:05 pmHanoi Noibai
$1,027
Find similar
United Airlines
Oct 28
HAN12:25 amHanoi Noibai
34h 48m
3 stops
SEA9:13 pmSeattle/Tacoma Intl
Nov 5
SEA5:30 amSeattle/Tacoma Intl
26h 35m
2 stops
HAN11:05 pmHanoi Noibai
$1,178
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 September 15, 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

Wed 10/29

6:45 pm-2:55 pm

2 stops34h 10m

Seattle/Tacoma Intl

Tue 11/4

12:10 am-1:30 am

2 stops34h 20m

$728

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 11/18

10:40 am-1:55 pm

1 stop18h 15m

Seattle/Tacoma Intl

Sun 11/23

12:10 am-2:10 pm

1 stop23h 00m

$734

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 10/28

2:50 am-7:40 pm

1 stop30h 50m

Seattle/Tacoma Intl

Wed 11/5

9:30 pm-1:50 am

1 stop37h 20m

$762

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 11/18

11:30 am-3:05 pm

1 stop18h 35m

Seattle/Tacoma Intl

Mon 11/24

11:45 pm-5:25 pm

1 stop26h 40m

$791

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

$819

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 3/5

11:35 am-6:10 pm

1 stop21h 35m

Seattle/Tacoma Intl

Sun 3/8

1:10 am-10:35 am

1 stop19h 25m

$839

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 11/18

12:35 pm-10:00 pm

2 stops24h 25m

Seattle/Tacoma Intl

Mon 11/24

7:10 pm-5:15 pm

2 stops31h 05m

$902

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 11/18

12:35 pm-6:10 pm

1 stop20h 35m

Seattle/Tacoma Intl

Mon 11/24

7:10 pm-5:15 pm

2 stops31h 05m

$908

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 3/5

5:30 pm-6:10 pm

1 stop15h 40m

Seattle/Tacoma Intl

Sun 3/8

1:10 am-3:05 pm

2 stops23h 55m

$1,179

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 1/20

2:50 am-6:40 pm

1 stop30h 50m

Seattle/Tacoma Intl

Sun 1/25

9:30 pm-1:45 am

1 stop37h 15m

$3,452

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

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 September 2025, prices for Hanoi to Seattle flights are approximately 14% 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 15h 40m 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
1,139 reviews
Search Korean Air flights
China AirlinesPriceFrom $794Free CancellationRating
8.3
767 reviews
Search China Airlines flights
EVA AirPriceFrom $885Free CancellationRating
8.4
1,236 reviews
Search EVA Air flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/15
Wed 10/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States