Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Hanoi to Seattle from $500

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 9/14. 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.

Find the cheapest flights from Hanoi to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
1:25 pm - 3:15 pm
HAN
-
SEA
15h 50m
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
United Airlines Logo
11:35 pm - 6:29 pm
HAN
-
SEA
32h 54m
2 stops
United Airlines Logo
8:40 am - 10:15 pm
SEA
-
HAN
23h 35m
2 stops
$950United Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
1:55 am - 2:45 pm
HAN
-
SEA
26h 50m
1 stop
Multiple Airlines Logo
4:25 pm - 1:55 pm
SEA
-
HAN
31h 30m
1 stop
$971Multiple Airlines
Thu, Jun 11 - Fri, Jun 19
Korean Air Logo
11:10 pm - 11:00 am
HAN
-
SEA
25h 50m
1 stop
Korean Air Logo
1:20 pm - 9:35 pm
SEA
-
HAN
18h 15m
1 stop
$977Korean Air
Sun, Jun 14 - Sun, Jul 5
United Airlines Logo
11:35 pm - 2:25 pm
HAN
-
SEA
28h 50m
1 stop
United Airlines Logo
5:45 am - 10:15 pm
SEA
-
HAN
50h 30m
2 stops
$982United Airlines
Wed, Jun 3 - Wed, Jun 10
Delta Logo
11:10 pm - 1:25 pm
HAN
-
SEA
28h 15m
1 stop
Delta Logo
9:45 pm - 9:35 pm
SEA
-
HAN
33h 50m
2 stops
$992Delta
Sun, Jun 14 - Sun, Jul 5
ANA Logo
12:15 am - 2:25 pm
HAN
-
SEA
28h 10m
2 stops
ANA Logo
10:45 am - 10:15 pm
SEA
-
HAN
45h 30m
2 stops
$994ANA
Tue, Jun 2 - Wed, Jun 10
Multiple Airlines Logo
11:10 pm - 11:00 am
HAN
-
SEA
25h 50m
1 stop
Multiple Airlines Logo
1:05 pm - 10:00 pm
SEA
-
HAN
18h 55m
1 stop
$1,003Multiple Airlines
Mon, Jun 1 - Tue, Jun 9
Qatar Airways Logo
1:55 am - 2:45 pm
HAN
-
SEA
26h 50m
1 stop
Qatar Airways Logo
8:53 am - 1:55 pm
SEA
-
HAN
39h 02m
2 stops
$1,004Qatar Airways
Tue, Jun 9 - Wed, Jun 17
Qatar Airways Logo
7:30 pm - 12:25 pm
HAN
-
SEA
30h 55m
1 stop
Qatar Airways Logo
4:05 pm - 7:45 pm
SEA
-
HAN
36h 40m
1 stop
$1,016Qatar Airways
Tue, Sep 22 - Thu, Dec 17

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

China Airlines flights from Hanoi to Seattle

Our best China Airlines deals on Hanoi to Seattle flight tickets
China Airlines
Jun 3
HAN5:50 pmHanoi Noibai
30h 10m
2 stops
SEA10:00 amSeattle/Tacoma Intl
Jun 9
SEA1:15 amSeattle/Tacoma Intl
19h 15m
1 stop
HAN10:30 amHanoi Noibai
$1,071
China Airlines
Sep 22
HAN11:30 amHanoi Noibai
21h 45m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Dec 19
SEA12:10 amSeattle/Tacoma Intl
19h 25m
1 stop
HAN10:35 amHanoi Noibai
$1,073
China Airlines
Jun 1
HAN11:30 amHanoi Noibai
21h 45m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jun 8
SEA1:15 amSeattle/Tacoma Intl
25h 35m
1 stop
HAN4:50 pmHanoi Noibai
$1,075

Qatar Airways flights from Hanoi to Seattle

Our best Qatar Airways deals on Hanoi to Seattle flight tickets
Qatar Airways
Jun 9
HAN1:55 amHanoi Noibai
26h 50m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
Jun 17
SEA8:53 amSeattle/Tacoma Intl
39h 02m
2 stops
HAN1:55 pmHanoi Noibai
$1,004
Qatar Airways
Sep 22
HAN7:30 pmHanoi Noibai
30h 55m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
Dec 17
SEA4:05 pmSeattle/Tacoma Intl
36h 40m
1 stop
HAN7:45 pmHanoi Noibai
$1,016
Qatar Airways
Jun 11
HAN1:55 amHanoi Noibai
26h 50m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
Jun 19
SEA5:36 pmSeattle/Tacoma Intl
47h 39m
2 stops
HAN7:15 amHanoi Noibai
$1,039

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 April 30, 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

Thu 10/15

1:25 pm-3:15 pm

1 stop15h 50m

Seattle/Tacoma Intl

Sun 10/18

12:10 am-10:00 pm

1 stop31h 50m

$890

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 10/15

11:35 pm-6:29 pm

2 stops32h 54m

Seattle/Tacoma Intl

Mon 10/19

8:40 am-10:15 pm

2 stops23h 35m

$950

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 6/11

1:55 am-2:45 pm

1 stop26h 50m

Seattle/Tacoma Intl

Fri 6/19

4:25 pm-1:55 pm

1 stop31h 30m

$971
Quickest round-trip

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 6/14

11:10 pm-11:00 am

1 stop25h 50m

Seattle/Tacoma Intl

Sun 7/5

1:20 pm-9:35 pm

1 stop18h 15m

$977

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 6/3

11:35 pm-2:25 pm

1 stop28h 50m

Seattle/Tacoma Intl

Wed 6/10

5:45 am-10:15 pm

2 stops50h 30m

$982

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 6/14

11:10 pm-1:25 pm

1 stop28h 15m

Seattle/Tacoma Intl

Sun 7/5

9:45 pm-9:35 pm

2 stops33h 50m

$992

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 6/2

12:15 am-2:25 pm

2 stops28h 10m

Seattle/Tacoma Intl

Wed 6/10

10:45 am-10:15 pm

2 stops45h 30m

$994

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 6/1

11:10 pm-11:00 am

1 stop25h 50m

Seattle/Tacoma Intl

Tue 6/9

1:05 pm-10:00 pm

1 stop18h 55m

$1,003

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 6/9

1:55 am-2:45 pm

1 stop26h 50m

Seattle/Tacoma Intl

Wed 6/17

8:53 am-1:55 pm

2 stops39h 02m

$1,004

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 9/22

7:30 pm-12:25 pm

1 stop30h 55m

Seattle/Tacoma Intl

Thu 12/17

4:05 pm-7:45 pm

1 stop36h 40m

$1,016

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 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 April 2026, prices for Hanoi to Seattle flights are approximately 11% 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
819 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
Kent
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.

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
Sat 5/30
Sat 6/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States