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 39% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 7 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?

Singapore Airlines, Philippine Airlines, 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 November 2025, 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.

$277 Cheap Flights from Washington to Hanoi in 2025/26

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8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

9:40 am - 8:10 amHAN-SEA

36h 30m1 stop

$634Singapore Airlines

Find Deal

Sun, Mar 1 - Mon, Mar 16

12:10 am - 12:10 pmSEA-HAN

21h 00m1 stop

1:30 pm - 2:55 pmHAN-SEA

15h 25m1 stop

$644Asiana Airlines

Find Deal

Wed, Mar 4 - Sat, Mar 14

9:30 pm - 1:45 amSEA-HAN

37h 15m1 stop

2:50 am - 7:40 pmHAN-SEA

30h 50m1 stop

$651Philippine Airlines

Find Deal

Wed, Mar 4 - Wed, Mar 18

9:30 pm - 1:45 amSEA-HAN

37h 15m1 stop

2:50 am - 7:40 pmHAN-SEA

30h 50m1 stop

$654Philippine Airlines

Find Deal

Wed, Mar 4 - Wed, Mar 18

11:00 am - 9:45 pmSEA-HAN

19h 45m1 stop

11:10 pm - 10:40 amHAN-SEA

25h 30m1 stop

$704Korean Air

Find Deal

Tue, Feb 3 - Sun, May 10

7:20 am - 9:35 pmSEA-HAN

24h 15m2 stops

11:10 pm - 10:40 amHAN-SEA

25h 30m1 stop

$710Korean Air

Find Deal

Mon, Mar 30 - Wed, Apr 22

8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

12:45 pm - 9:56 amHAN-SEA

36h 11m2 stops

$719Multiple Airlines

Find Deal

Sun, Feb 22 - Sun, Mar 1

8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

6:30 pm - 1:52 pmHAN-SEA

33h 22m2 stops

$722Multiple Airlines

Find Deal

Sun, Mar 1 - Mon, Mar 16

11:25 am - 9:45 pmSEA-HAN

19h 20m1 stop

12:20 pm - 1:20 pmHAN-SEA

16h 00m1 stop

$729Delta

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Mon, Jan 5 - Mon, Jan 19

11:25 am - 9:45 pmSEA-HAN

19h 20m1 stop

11:05 pm - 1:20 pmHAN-SEA

29h 15m1 stop

$748Delta

Find Deal

Tue, Jan 6 - Sun, Jan 18

Delta flights from State of Washington to Hanoi

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

Delta

Jan 5

SEA11:25 amSeattle/Tacoma Intl

19h 20m

1 stop

HAN9:45 pmHanoi Noibai

Jan 19

HAN12:20 pmHanoi Noibai

16h 00m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$729

Find similar

Delta

Jan 6

SEA11:25 amSeattle/Tacoma Intl

19h 20m

1 stop

HAN9:45 pmHanoi Noibai

Jan 18

HAN11:05 pmHanoi Noibai

29h 15m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$748

Find similar

Delta

Feb 2

PDX5:23 amPortland

38h 47m

2 stops

HAN11:10 amHanoi Noibai

Mar 25

HAN11:05 pmHanoi Noibai

38h 48m

2 stops

PDX11:53 pmPortland

$860

Find similar

Cathay Pacific flights from State of Washington to Hanoi

Our best Cathay Pacific deals on State of Washington to Hanoi flight tickets

Cathay Pacific

Feb 10

PDX9:15 pmPortland

21h 50m

2 stops

HAN10:05 amHanoi Noibai

Mar 24

HAN11:05 amHanoi Noibai

26h 19m

2 stops

PDX11:24 pmPortland

$975

Find similar

Cathay Pacific

Nov 15

SEA3:50 pmSeattle/Tacoma Intl

35h 40m

2 stops

HAN6:30 pmHanoi Noibai

Nov 28

HAN10:30 amHanoi Noibai

35h 32m

2 stops

SEA7:02 amSeattle/Tacoma Intl

$981

Find similar

Cathay Pacific

Feb 11

PDX7:20 amPortland

35h 45m

2 stops

HAN10:05 amHanoi Noibai

Mar 22

HAN10:30 amHanoi Noibai

43h 58m

2 stops

PDX4:28 pmPortland

$982

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Fly from

Fly to

Route

Depart

Return

Price

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 3/1

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Mon 3/16

9:40 am-8:10 am

1 stop36h 30m

$634

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 3/4

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Sat 3/14

1:30 pm-2:55 pm

1 stop15h 25m

$644

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 3/4

9:30 pm-1:45 am

1 stop37h 15m

Hanoi Noibai

Wed 3/18

2:50 am-7:40 pm

1 stop30h 50m

$651

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 3/4

9:30 pm-1:45 am

1 stop37h 15m

Hanoi Noibai

Wed 3/18

2:50 am-7:40 pm

1 stop30h 50m

$654

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 2/3

11:00 am-9:45 pm

1 stop19h 45m

Hanoi Noibai

Sun 5/10

11:10 pm-10:40 am

1 stop25h 30m

$704

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 3/30

7:20 am-9:35 pm

2 stops24h 15m

Hanoi Noibai

Wed 4/22

11:10 pm-10:40 am

1 stop25h 30m

$710

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 2/22

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Sun 3/1

12:45 pm-9:56 am

2 stops36h 11m

$719

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 3/1

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Mon 3/16

6:30 pm-1:52 pm

2 stops33h 22m

$722

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 1/5

11:25 am-9:45 pm

1 stop19h 20m

Hanoi Noibai

Mon 1/19

12:20 pm-1:20 pm

1 stop16h 00m

$729

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 1/6

11:25 am-9:45 pm

1 stop19h 20m

Hanoi Noibai

Sun 1/18

11:05 pm-1:20 pm

1 stop29h 15m

$748

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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 $747, 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 February is your next best option. Flight prices from State of Washington to Hanoi during February average around $765.

What is the cheapest day to depart on your flight to Hanoi?

According to our data, Tuesday is the cheapest day to fly to Hanoi from State of Washington. The lowest ticket price found for a Tuesday departure recently was $836. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Monday is $1,201.

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

Our most recent data shows that the best time of day to fly to Hanoi is in the morning. Flights from State of Washington to Hanoi during this time can be as low as $971. Try not to purchase tickets in the afternoon because they tend to be around $1,125. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $937 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 $728 on momondo.

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

You could potentially save up to 6% 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

Direct flights	None

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

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 November 2025, 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
Singapore Airlines	PriceFrom $628	Free Cancellation	Rating 8.1 1,393 reviews	Search Singapore Airlines flights
Asiana Airlines	PriceFrom $628	Free Cancellation	Rating 8.2 485 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $722	Free Cancellation	Rating 8.4 1,160 reviews	Search Korean Air flights
China Airlines	PriceFrom $722	Free Cancellation	Rating 8.3 778 reviews	Search China Airlines flights
Delta	PriceFrom $764	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $775	Free Cancellation	Rating 8.9 220 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $783	Free Cancellation	Rating 8.4 1,272 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.

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Cheap flights from Washington to Hanoi from $277

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Hanoi departing on 3/22. 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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Delta flights from State of Washington to Hanoi

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

Cathay Pacific flights from State of Washington to Hanoi

Our best Cathay Pacific deals on State of Washington to Hanoi flight tickets

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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

What is the cheapest month to fly to Hanoi?

What is the cheapest day to depart on your flight to Hanoi?

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

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

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

You could potentially save up to 6% on your flight if you consider stops on a State of Washington to Hanoi flight.

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

Singapore Airlines, Philippine Airlines, and Asiana Airlines are the most popular carriers operating from Washington to Hanoi Noibai

What airlines fly to Hanoi?

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

Direct flights

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

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

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

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Hanoi 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Vietnam

Airports servicing Vietnam