What airlines fly to Hanoi?

Asiana Airlines, China Airlines and EVA Air 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 42% 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?

Singapore Airlines, Asiana Airlines, and Korean Air 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 August 2025, there are 9 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.

$285 Cheap Flights from Washington to Hanoi in 2025

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Find the cheapest flights from Washington to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

8:45 am - 11:30 amSEA-HAN

35h 45m1 stop

6:25 pm - 7:10 amHAN-SEA

27h 45m1 stop

$513Singapore Airlines

Find Deal

dom., ene. 25 - jue., ene. 29

8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

6:30 pm - 7:10 amHAN-SEA

27h 40m1 stop

$598Singapore Airlines

Find Deal

mar., ene. 13 - mié., ene. 28

9:30 pm - 1:50 amSEA-HAN

37h 20m1 stop

2:50 am - 6:35 pmHAN-SEA

30h 45m1 stop

$651Philippine Airlines

Find Deal

mar., ene. 6 - mié., ene. 21

9:30 pm - 1:50 amSEA-HAN

37h 20m1 stop

2:45 pm - 6:35 pmHAN-SEA

18h 50m1 stop

$660Philippine Airlines

Find Deal

mar., ene. 6 - jue., ene. 22

11:37 am - 3:35 pmSEA-HAN

37h 58m2 stops

7:05 pm - 11:38 amHAN-SEA

30h 33m2 stops

$669Cathay Pacific

Find Deal

lun., sep. 8 - mar., sep. 23

11:37 am - 9:55 amSEA-HAN

32h 18m2 stops

10:30 am - 9:58 pmHAN-SEA

25h 28m2 stops

$680Cathay Pacific

Find Deal

mar., sep. 9 - mié., sep. 24

12:10 am - 1:10 pmSEA-HAN

22h 00m1 stop

11:30 pm - 1:55 pmHAN-SEA

29h 25m1 stop

$684Asiana Airlines

Find Deal

lun., ene. 5 - jue., ene. 22

2:30 pm - 11:30 pmSEA-HAN

19h 00m1 stop

1:00 am - 12:45 pmHAN-SEA

25h 45m1 stop

$685Asiana Airlines

Find Deal

dom., ago. 24 - mié., ago. 27

1:40 am - 10:35 amSEA-HAN

18h 55m1 stop

5:50 pm - 7:20 pmHAN-SEA

15h 30m1 stop

$734China Airlines

Find Deal

dom., sep. 7 - mar., sep. 23

1:40 am - 4:50 pmSEA-HAN

25h 10m1 stop

11:35 am - 7:45 pmHAN-SEA

22h 10m1 stop

$753China Airlines

Find Deal

lun., ago. 25 - mar., sep. 2

Delta flights from State of Washington to Hanoi

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

Delta

Aug 13

SEA12:55 pmSeattle/Tacoma Intl

18h 40m

1 stop

HAN9:35 pmHanoi Noibai

Aug 26

HAN11:10 pmHanoi Noibai

28h 51m

1 stop

SEA2:01 pmSeattle/Tacoma Intl

$728

Find similar

Delta

Aug 13

SEA12:55 pmSeattle/Tacoma Intl

18h 40m

1 stop

HAN9:35 pmHanoi Noibai

Aug 26

HAN11:10 pmHanoi Noibai

28h 51m

1 stop

SEA2:01 pmSeattle/Tacoma Intl

$729

Find similar

Delta

Aug 14

SEA11:55 amSeattle/Tacoma Intl

32h 45m

2 stops

HAN10:40 amHanoi Noibai

Aug 27

HAN11:10 pmHanoi Noibai

48h 35m

2 stops

SEA9:45 amSeattle/Tacoma Intl

$822

Find similar

Air Canada flights from State of Washington to Hanoi

Our best Air Canada deals on State of Washington to Hanoi flight tickets

Air Canada

Dec 18

PDX9:50 amPortland

21h 10m

2 stops

HAN10:00 pmHanoi Noibai

Dec 30

HAN12:25 amHanoi Noibai

47h 50m

2 stops

PDX9:15 amPortland

$1,860

Find similar

Air Canada

Dec 15

PDX3:15 pmPortland

27h 20m

2 stops

HAN9:35 amHanoi Noibai

Jan 6

HAN8:25 pmHanoi Noibai

33h 20m

2 stops

PDX2:45 pmPortland

$1,901

Find similar

Air Canada

Dec 16

PDX9:50 amPortland

21h 10m

2 stops

HAN10:00 pmHanoi Noibai

Jan 6

HAN8:25 pmHanoi Noibai

37h 05m

2 stops

PDX6:30 pmPortland

$1,915

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

dom. 1/25

8:45 am-11:30 am

1 stop35h 45m

Hanoi Noibai

jue. 1/29

6:25 pm-7:10 am

1 stop27h 45m

$513

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

mar. 1/13

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

mié. 1/28

6:30 pm-7:10 am

1 stop27h 40m

$598

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

mar. 1/6

9:30 pm-1:50 am

1 stop37h 20m

Hanoi Noibai

mié. 1/21

2:50 am-6:35 pm

1 stop30h 45m

$651

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

mar. 1/6

9:30 pm-1:50 am

1 stop37h 20m

Hanoi Noibai

jue. 1/22

2:45 pm-6:35 pm

1 stop18h 50m

$660

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

lun. 9/8

11:37 am-3:35 pm

2 stops37h 58m

Hanoi Noibai

mar. 9/23

7:05 pm-11:38 am

2 stops30h 33m

$669

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

mar. 9/9

11:37 am-9:55 am

2 stops32h 18m

Hanoi Noibai

mié. 9/24

10:30 am-9:58 pm

2 stops25h 28m

$680

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

lun. 1/5

12:10 am-1:10 pm

1 stop22h 00m

Hanoi Noibai

jue. 1/22

11:30 pm-1:55 pm

1 stop29h 25m

$684

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

dom. 8/24

2:30 pm-11:30 pm

1 stop19h 00m

Hanoi Noibai

mié. 8/27

1:00 am-12:45 pm

1 stop25h 45m

$685

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

dom. 9/7

1:40 am-10:35 am

1 stop18h 55m

Hanoi Noibai

mar. 9/23

5:50 pm-7:20 pm

1 stop15h 30m

$734

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

lun. 8/25

1:40 am-4:50 pm

1 stop25h 10m

Hanoi Noibai

mar. 9/2

11:35 am-7:45 pm

1 stop22h 10m

$753

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 April. Flight prices, which tend to average around $774, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in April, then September is your next best option. Flight prices from State of Washington to Hanoi during September average around $775.

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 $959 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 $744 on momondo.

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

You could potentially save up to 29% 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

Best Price Found	$285
Fastest flight time	17h 45m
Direct flights	None
Airports in Hanoi	1 airport

The best one-way flight to Hanoi from State of Washington in the past 72 hours is $285. The best round-trip flight deal from State of Washington to Hanoi found on momondo in the last 72 hours is $513.

The fastest flight from State of Washington to Hanoi takes 17h 45m

There are no direct flights from State of Washington to Hanoi. Popular non-direct routes for this connection are Portland Airport - Hanoi Noibai Airport and Seattle/Tacoma Intl Airport - Hanoi Noibai Airport.

There is 1 airport near Hanoi: Hanoi Noibai (HAN)

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 August 2025, there are 9 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
Asiana Airlines	PriceFrom $639	Free Cancellation	Rating 8.2 470 reviews	Search Asiana Airlines flights
Singapore Airlines	PriceFrom $682	Free Cancellation	Rating 8.1 1,344 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $717	Free Cancellation	Rating 8.3 1,545 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $732	Free Cancellation	Rating 8.4 1,121 reviews	Search Korean Air flights
China Airlines	PriceFrom $747	Free Cancellation	Rating 8.3 760 reviews	Search China Airlines flights
Delta	PriceFrom $764	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $802	Free Cancellation	Rating 9.0 201 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $808	Free Cancellation	Rating 8.4 1,225 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.