What airlines fly to Hanoi?

Asiana Airlines, EVA Air and China Airlines are the top three most popular airlines that fly to Hanoi from State of Washington according to our data. Asiana Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 8 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington to Hanoi Noibai?

Delta, Korean Air, and Asiana Airlines are the most popular carriers operating from Washington to Hanoi Noibai

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

Prices for flights from Washington to Hanoi Noibai Airport were last updated today.

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

As of April 2026, there are 8 operators available to choose from for flights from Washington to Hanoi Noibai Airport.

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

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 Washington to Hanoi Noibai Airport.

What documentation or ID do you need to fly to Hanoi Noibai Airport?

The necessary travel and health documents for your Hanoi Noibai Airport 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.

$330 Cheap Flights from Washington to Hanoi in 2026

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Find the cheapest flights from Washington to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 am - 3:25 pm

SEA

HAN

39h 10m

1 stop

4:15 pm - 8:45 am

HAN

SEA

30h 30m

1 stop

$595Singapore Airlines

Tue, Sep 1 - Mon, Sep 7

12:55 am - 12:15 pm

SEA

HAN

21h 20m

1 stop

11:30 pm - 2:55 pm

HAN

SEA

29h 25m

1 stop

$644Asiana Airlines

Sun, Aug 30 - Mon, Sep 14

12:55 am - 10:00 pm

SEA

HAN

31h 05m

1 stop

11:30 pm - 2:55 pm

HAN

SEA

29h 25m

1 stop

$660Asiana Airlines

Mon, Apr 20 - Wed, Jun 3

12:55 am - 12:15 pm

SEA

HAN

21h 20m

1 stop

1:25 pm - 2:55 pm

HAN

SEA

15h 30m

1 stop

$679Asiana Airlines

Mon, Sep 7 - Thu, Sep 10

12:55 am - 10:00 pm

SEA

HAN

31h 05m

1 stop

11:30 pm - 2:55 pm

HAN

SEA

29h 25m

1 stop

$680Asiana Airlines

Thu, Aug 13 - Sun, Sep 20

1:00 pm - 9:35 pm

SEA

HAN

18h 35m

1 stop

11:10 pm - 1:11 pm

HAN

SEA

28h 01m

1 stop

$696Delta

Wed, May 6 - Sun, May 10

12:50 pm - 10:50 am

SEA

HAN

32h 00m

1 stop

12:05 pm - 11:00 am

HAN

SEA

36h 55m

1 stop

$699Korean Air

Wed, Apr 15 - Mon, Jun 15

7:20 am - 9:35 pm

SEA

HAN

24h 15m

2 stops

11:10 pm - 10:40 am

HAN

SEA

25h 30m

1 stop

$705Korean Air

Tue, Sep 1 - Mon, Sep 7

1:50 pm - 10:30 am

PDX

HAN

30h 40m

2 stops

11:30 am - 9:07 am

HAN

PDX

35h 37m

2 stops

$913Multiple Airlines

Sat, Sep 5 - Tue, Sep 22

5:36 pm - 10:30 am

PDX

HAN

26h 54m

2 stops

5:50 pm - 9:07 am

HAN

PDX

29h 17m

2 stops

$922Multiple Airlines

Mon, Aug 10 - Mon, Aug 24

Asiana Airlines flights from State of Washington to Hanoi

Our best Asiana Airlines deals on State of Washington to Hanoi flight tickets

Asiana Airlines

Aug 30

SEA12:55 amSeattle/Tacoma Intl

21h 20m

1 stop

HAN12:15 pmHanoi Noibai

Sep 14

HAN11:30 pmHanoi Noibai

29h 25m

1 stop

SEA2:55 pmSeattle/Tacoma Intl

$644

Asiana Airlines

Apr 20

SEA12:55 amSeattle/Tacoma Intl

31h 05m

1 stop

HAN10:00 pmHanoi Noibai

Jun 3

HAN11:30 pmHanoi Noibai

29h 25m

1 stop

SEA2:55 pmSeattle/Tacoma Intl

$660

Asiana Airlines

Sep 7

SEA12:55 amSeattle/Tacoma Intl

21h 20m

1 stop

HAN12:15 pmHanoi Noibai

Sep 10

HAN1:25 pmHanoi Noibai

15h 30m

1 stop

SEA2:55 pmSeattle/Tacoma Intl

$679

Singapore Airlines flights from State of Washington to Hanoi

Our best Singapore Airlines deals on State of Washington to Hanoi flight tickets

Singapore Airlines

Sep 1

SEA10:15 amSeattle/Tacoma Intl

39h 10m

1 stop

HAN3:25 pmHanoi Noibai

Sep 7

HAN4:15 pmHanoi Noibai

30h 30m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$595

Singapore Airlines

Sep 1

SEA10:15 amSeattle/Tacoma Intl

35h 15m

1 stop

HAN11:30 amHanoi Noibai

Sep 15

HAN12:40 pmHanoi Noibai

34h 12m

2 stops

SEA8:52 amSeattle/Tacoma Intl

$695

Singapore Airlines

Oct 1

SEA10:15 amSeattle/Tacoma Intl

39h 10m

1 stop

HAN3:25 pmHanoi Noibai

Oct 13

HAN12:40 pmHanoi Noibai

34h 12m

2 stops

SEA8:52 amSeattle/Tacoma Intl

$847

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/1

10:15 am-3:25 pm

1 stop39h 10m

Hanoi Noibai

Mon 9/7

4:15 pm-8:45 am

1 stop30h 30m

$595

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 8/30

12:55 am-12:15 pm

1 stop21h 20m

Hanoi Noibai

Mon 9/14

11:30 pm-2:55 pm

1 stop29h 25m

$644

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 4/20

12:55 am-10:00 pm

1 stop31h 05m

Hanoi Noibai

Wed 6/3

11:30 pm-2:55 pm

1 stop29h 25m

$660

Quickest round-trip

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 9/7

12:55 am-12:15 pm

1 stop21h 20m

Hanoi Noibai

Thu 9/10

1:25 pm-2:55 pm

1 stop15h 30m

$679

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Thu 8/13

12:55 am-10:00 pm

1 stop31h 05m

Hanoi Noibai

Sun 9/20

11:30 pm-2:55 pm

1 stop29h 25m

$680

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 5/6

1:00 pm-9:35 pm

1 stop18h 35m

Hanoi Noibai

Sun 5/10

11:10 pm-1:11 pm

1 stop28h 01m

$696

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 4/15

12:50 pm-10:50 am

1 stop32h 00m

Hanoi Noibai

Mon 6/15

12:05 pm-11:00 am

1 stop36h 55m

$699

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/1

7:20 am-9:35 pm

2 stops24h 15m

Hanoi Noibai

Mon 9/7

11:10 pm-10:40 am

1 stop25h 30m

$705

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sat 9/5

1:50 pm-10:30 am

2 stops30h 40m

Hanoi Noibai

Tue 9/22

11:30 am-9:07 am

2 stops35h 37m

$913

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Mon 8/10

5:36 pm-10:30 am

2 stops26h 54m

Hanoi Noibai

Mon 8/24

5:50 pm-9:07 am

2 stops29h 17m

$922

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from State of Washington is in September. Flight prices, which tend to average around $658, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then April is your next best option. Flight prices from State of Washington to Hanoi during April average around $736.

How far in advance should I book a flight to Hanoi?

You are more likely to see cheaper flights to Hanoi from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $895 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from State of Washington for as low as $649 on momondo.

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

You could potentially save up to 18% on your flight if you consider stops on a State of Washington to Hanoi flight.

Cheap State of Washington to Hanoi flight deals and tips

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

Fastest flight time	18h 30m
Direct flights	None

The fastest flight from State of Washington to Hanoi takes 18h 30m

There are no direct flights from State of Washington to Hanoi. There are no popular flight routes from State of Washington to Hanoi.

Search flight deals

Frequently asked questions about flying from Washington to Hanoi

When did momondo last update prices for flights from Washington to Hanoi Noibai Airport?
Prices for flights from Washington to Hanoi Noibai Airport were last updated today.
How many operators does momondo search for flights from Washington to Hanoi Noibai Airport?
As of April 2026, there are 8 operators available to choose from for flights from Washington to Hanoi Noibai Airport.
How old do you have to be to fly from Washington to Hanoi Noibai Airport?
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 Washington to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The necessary travel and health documents for your Hanoi Noibai Airport 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 State of Washington to Hanoi

Compare and see reviews for airlines that fly from State of Washington to Hanoi with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $400	Free Cancellation	Rating 7.9 8,383 reviews	Search Delta flights
Singapore Airlines	PriceFrom $521	Free Cancellation	Rating 8.2 1,488 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $567	Free Cancellation	Rating 8.9 295 reviews	Search STARLUX Airlines flights
Korean Air	PriceFrom $588	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $622	Free Cancellation	Rating 8.1 510 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $633	Free Cancellation	Rating 8.3 816 reviews	Search China Airlines flights
Philippine Airlines	PriceFrom $638	Free Cancellation	Rating 7.3 983 reviews	Search Philippine Airlines flights
EVA Air	PriceFrom $765	Free Cancellation	Rating 8.5 1,400 reviews	Search EVA Air flights

Why use momondo?

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

It is quick and easy to find Washington to Hanoi flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hanoi that suits you.

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

momondo does allow users to show only those flights to Hanoi from Washington which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Price alerts on flights to Hanoi from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.