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Cheap flights from Hanoi to Washington 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 Washington 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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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 State of Washington

Our best Delta deals on Hanoi to State of Washington 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 State of Washington

Our best Korean Air deals on Hanoi to State of Washington 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 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 December 4, 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

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 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 23% 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

Fastest flight time

20h 35m

Direct flights

None
The fastest flight from Hanoi to State of Washington takes 20h 35m
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
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

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.

An easier way to manage your State of Washington trip

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