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Cheap flights from Hanoi to Washington from $438

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 Washington departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Korean Air Logo
12:20 pm - 9:00 amHAN-SEA
35h 40m1 stop
Korean Air Logo
11:00 am - 9:45 pmSEA-HAN
19h 45m1 stop
$774Korean Air
Find Deal
Mon, Dec 22 - Sat, Jan 3
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
$791STARLUX Airlines
Find Deal
Mon, Dec 22 - Sun, Jan 4
China Airlines Logo
5:30 pm - 6:10 pmHAN-SEA
15h 40m1 stop
China Airlines Logo
12:10 am - 10:35 amSEA-HAN
19h 25m1 stop
$794China Airlines
Find Deal
Mon, Dec 22 - Sat, Jan 3
Asiana Airlines Logo
11:30 pm - 1:55 pmHAN-SEA
29h 25m1 stop
Asiana Airlines Logo
12:10 am - 1:10 pmSEA-HAN
22h 00m1 stop
$820Asiana Airlines
Find Deal
Mon, Dec 22 - Fri, Jan 2
United Airlines Logo
12:25 am - 8:23 amHAN-SEA
46h 58m2 stops
United Airlines Logo
3:45 pm - 11:05 pmSEA-HAN
40h 20m1 stop
$857United Airlines
Find Deal
Sun, Dec 21 - Sun, Jan 4
Asiana Airlines Logo
11:30 pm - 1:55 pmHAN-SEA
29h 25m1 stop
Asiana Airlines Logo
12:10 am - 10:00 pmSEA-HAN
30h 50m1 stop
$888Asiana Airlines
Find Deal
Mon, Dec 22 - Sat, Jan 3
EVA Air Logo
6:20 pm - 6:10 pmHAN-SEA
14h 50m1 stop
EVA Air Logo
2:10 am - 4:50 pmSEA-HAN
24h 40m1 stop
$915EVA Air
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Fri, Feb 13 - Thu, Jul 30
United Airlines Logo
12:25 am - 1:20 pmHAN-SEA
27h 55m1 stop
United Airlines Logo
3:45 pm - 11:05 pmSEA-HAN
40h 20m1 stop
$918United Airlines
Find Deal
Sun, Dec 21 - Sat, Jan 3
China Airlines Logo
11:35 am - 11:04 pmHAN-SEA
26h 29m2 stops
China Airlines Logo
12:10 am - 10:35 amSEA-HAN
19h 25m1 stop
$1,001China Airlines
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Mon, Dec 22 - Sat, Jan 3
EVA Air Logo
12:35 pm - 11:59 pmHAN-SEA
26h 24m2 stops
EVA Air Logo
9:35 pm - 11:35 amSEA-HAN
47h 00m2 stops
$1,839EVA Air
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Mon, Dec 22 - Sun, Jan 4

EVA Air flights from Hanoi to State of Washington

Our best EVA Air deals on Hanoi to State of Washington flight tickets
EVA Air
Feb 13
HAN6:20 pmHanoi Noibai
14h 50m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Jul 30
SEA2:10 amSeattle/Tacoma Intl
24h 40m
1 stop
HAN4:50 pmHanoi Noibai
$915
Find similar
EVA Air
Dec 22
HAN12:35 pmHanoi Noibai
26h 24m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
Jan 4
SEA9:35 pmSeattle/Tacoma Intl
47h 00m
2 stops
HAN11:35 amHanoi Noibai
$1,839
Find similar

Japan Airlines flights from Hanoi to State of Washington

Our best Japan Airlines deals on Hanoi to State of Washington flight tickets
Japan Airlines
Dec 22
HAN11:55 pmHanoi Noibai
37h 49m
2 stops
SEA10:44 pmSeattle/Tacoma Intl
Jan 4
SEA7:09 amSeattle/Tacoma Intl
24h 21m
2 stops
HAN10:30 pmHanoi Noibai
$933
Find similar
Japan Airlines
Feb 13
HAN11:55 pmHanoi Noibai
38h 27m
2 stops
SEA11:22 pmSeattle/Tacoma Intl
Jul 31
SEA1:30 pmSeattle/Tacoma Intl
18h 20m
1 stop
HAN9:50 pmHanoi Noibai
$1,128
Find similar
Japan Airlines
Dec 22
HAN11:55 pmHanoi Noibai
24h 55m
1 stop
SEA9:50 amSeattle/Tacoma Intl
Jan 4
SEA12:30 pmSeattle/Tacoma Intl
19h 00m
1 stop
HAN10:30 pmHanoi Noibai
$2,997
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hanoi to State of Washington 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 August 26, 2025.
Use the filters below to find and compare flights from Hanoi to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 12/22

12:20 pm-9:00 am

1 stop35h 40m

Seattle/Tacoma Intl

Sat 1/3

11:00 am-9:45 pm

1 stop19h 45m

$774

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 12/22

11:30 am-3:05 pm

1 stop18h 35m

Seattle/Tacoma Intl

Sun 1/4

11:45 pm-10:30 am

1 stop19h 45m

$791

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 12/22

5:30 pm-6:10 pm

1 stop15h 40m

Seattle/Tacoma Intl

Sat 1/3

12:10 am-10:35 am

1 stop19h 25m

$794

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 12/22

11:30 pm-1:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Fri 1/2

12:10 am-1:10 pm

1 stop22h 00m

$820

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 12/21

12:25 am-8:23 am

2 stops46h 58m

Seattle/Tacoma Intl

Sun 1/4

3:45 pm-11:05 pm

1 stop40h 20m

$857

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 12/22

11:30 pm-1:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Sat 1/3

12:10 am-10:00 pm

1 stop30h 50m

$888

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 2/13

6:20 pm-6:10 pm

1 stop14h 50m

Seattle/Tacoma Intl

Thu 7/30

2:10 am-4:50 pm

1 stop24h 40m

$915

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 12/21

12:25 am-1:20 pm

1 stop27h 55m

Seattle/Tacoma Intl

Sat 1/3

3:45 pm-11:05 pm

1 stop40h 20m

$918

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 12/22

11:35 am-11:04 pm

2 stops26h 29m

Seattle/Tacoma Intl

Sat 1/3

12:10 am-10:35 am

1 stop19h 25m

$1,001

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 12/22

12:35 pm-11:59 pm

2 stops26h 24m

Seattle/Tacoma Intl

Sun 1/4

9:35 pm-11:35 am

2 stops47h 00m

$1,839

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 Washington from

How to get the cheapest flight ticket from Hanoi to State of Washington

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 State of Washington?

The cheapest day to depart from Hanoi to State of Washington is on a Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $868. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Hanoi to State of Washington for around $1,250.

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

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $980. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,063 on average. Flights to State of Washington from Hanoi in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Hanoi to State of Washington flights?

You could potentially save up to 31% on your flight if you consider stops on a Hanoi to State of Washington flight.

Cheap Hanoi to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hanoi to State of Washington

Direct flights

None
There are no direct flights from Hanoi to State of Washington. There are no popular flight routes from Hanoi to State of Washington.
Search flight deals

  • When did momondo last update prices for flights from Hanoi Noibai Airport to Washington?

    Prices for flights from Hanoi Noibai Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Hanoi Noibai Airport to Washington?

  • How old do you have to be to fly from Hanoi Noibai Airport to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hanoi Noibai Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Hanoi to State of Washington

Compare and see reviews for airlines that fly from Hanoi to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $769Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights
China AirlinesPriceFrom $797Free CancellationRating
8.3
765 reviews
Search China Airlines flights
EVA AirPriceFrom $885Free CancellationRating
8.4
1,234 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Hanoi to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Hanoi to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from Hanoi to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from Hanoi with this policy.

How can momondo help me find flights from Hanoi to Washington?

momondo provides multiple filters to help you find the best flight to Washington from Hanoi. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Hanoi to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Hanoi and alert you when they change.

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