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 38% 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 September 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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Find the cheapest flights from Washington to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

12:45 pm - 7:10 amHAN-SEA

33h 25m1 stop

$618Singapore Airlines

Find Deal

Fri, Feb 20 - Wed, Mar 4

8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

6:25 pm - 7:10 amHAN-SEA

27h 45m1 stop

$628Singapore Airlines

Find Deal

Tue, Jan 6 - Thu, Jan 22

12:10 am - 12:10 pmSEA-HAN

21h 00m1 stop

1:30 pm - 1:55 pmHAN-SEA

15h 25m1 stop

$643Asiana Airlines

Find Deal

Mon, Nov 10 - Sat, Nov 22

12:10 am - 12:10 pmSEA-HAN

21h 00m1 stop

1:30 pm - 2:55 pmHAN-SEA

15h 25m1 stop

$647Asiana Airlines

Find Deal

Sat, Feb 28 - Fri, Mar 13

9:30 pm - 1:45 amSEA-HAN

37h 15m1 stop

2:50 am - 6:40 pmHAN-SEA

30h 50m1 stop

$657Philippine Airlines

Find Deal

Wed, Feb 4 - Tue, Feb 17

9:30 pm - 1:45 amSEA-HAN

37h 15m1 stop

2:45 pm - 6:40 pmHAN-SEA

18h 55m1 stop

$673Philippine Airlines

Find Deal

Wed, Jan 28 - Thu, Feb 26

11:00 am - 11:10 amSEA-HAN

33h 10m1 stop

11:05 pm - 9:00 amHAN-SEA

24h 55m1 stop

$704Korean Air

Find Deal

Tue, Jan 27 - Wed, Feb 4

3:15 pm - 9:45 pmSEA-HAN

39h 30m2 stops

11:05 pm - 9:00 amHAN-SEA

24h 55m1 stop

$710Korean Air

Find Deal

Wed, Jan 28 - Wed, Feb 4

8:45 am - 11:30 amSEA-HAN

35h 45m1 stop

6:25 pm - 1:52 pmHAN-SEA

34h 27m2 stops

$716Multiple Airlines

Find Deal

Fri, Jan 30 - Sun, Feb 1

8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

12:45 pm - 12:11 amHAN-SEA

26h 26m2 stops

$718Multiple Airlines

Find Deal

Fri, Feb 20 - Wed, Mar 4

Philippine Airlines flights from State of Washington to Hanoi

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

Philippine Airlines

Feb 4

SEA9:30 pmSeattle/Tacoma Intl

37h 15m

1 stop

HAN1:45 amHanoi Noibai

Feb 17

HAN2:50 amHanoi Noibai

30h 50m

1 stop

SEA6:40 pmSeattle/Tacoma Intl

$657

Find similar

Philippine Airlines

Jan 28

SEA9:30 pmSeattle/Tacoma Intl

37h 15m

1 stop

HAN1:45 amHanoi Noibai

Feb 26

HAN2:45 pmHanoi Noibai

18h 55m

1 stop

SEA6:40 pmSeattle/Tacoma Intl

$673

Find similar

Philippine Airlines

Feb 11

SEA9:30 pmSeattle/Tacoma Intl

37h 15m

1 stop

HAN1:45 amHanoi Noibai

Feb 24

HAN2:50 amHanoi Noibai

30h 50m

1 stop

SEA6:40 pmSeattle/Tacoma Intl

$676

Find similar

Korean Air flights from State of Washington to Hanoi

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

Korean Air

Jan 27

SEA11:00 amSeattle/Tacoma Intl

33h 10m

1 stop

HAN11:10 amHanoi Noibai

Feb 4

HAN11:05 pmHanoi Noibai

24h 55m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$704

Find similar

Korean Air

Jan 28

SEA3:15 pmSeattle/Tacoma Intl

39h 30m

2 stops

HAN9:45 pmHanoi Noibai

Feb 4

HAN11:05 pmHanoi Noibai

24h 55m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$710

Find similar

Korean Air

Jan 27

SEA11:00 amSeattle/Tacoma Intl

33h 10m

1 stop

HAN11:10 amHanoi Noibai

Feb 2

HAN11:05 pmHanoi Noibai

32h 55m

2 stops

SEA5:00 pmSeattle/Tacoma Intl

$715

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 2/20

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Wed 3/4

12:45 pm-7:10 am

1 stop33h 25m

$618

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 1/6

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Thu 1/22

6:25 pm-7:10 am

1 stop27h 45m

$628

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 11/10

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Sat 11/22

1:30 pm-1:55 pm

1 stop15h 25m

$643

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 2/28

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Fri 3/13

1:30 pm-2:55 pm

1 stop15h 25m

$647

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 2/4

9:30 pm-1:45 am

1 stop37h 15m

Hanoi Noibai

Tue 2/17

2:50 am-6:40 pm

1 stop30h 50m

$657

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 1/28

9:30 pm-1:45 am

1 stop37h 15m

Hanoi Noibai

Thu 2/26

2:45 pm-6:40 pm

1 stop18h 55m

$673

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 1/27

11:00 am-11:10 am

1 stop33h 10m

Hanoi Noibai

Wed 2/4

11:05 pm-9:00 am

1 stop24h 55m

$704

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 1/28

3:15 pm-9:45 pm

2 stops39h 30m

Hanoi Noibai

Wed 2/4

11:05 pm-9:00 am

1 stop24h 55m

$710

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 1/30

8:45 am-11:30 am

1 stop35h 45m

Hanoi Noibai

Sun 2/1

6:25 pm-1:52 pm

2 stops34h 27m

$716

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 2/20

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Wed 3/4

12:45 pm-12:11 am

2 stops26h 26m

$718

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 $768, 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 $783.

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 $967 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 $734 on momondo.

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

You could potentially save up to 13% 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 September 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 1,372 reviews	Search Singapore Airlines flights
Asiana Airlines	PriceFrom $637	Free Cancellation	Rating 8.2 482 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $732	Free Cancellation	Rating 8.4 1,143 reviews	Search Korean Air flights
China Airlines	PriceFrom $747	Free Cancellation	Rating 8.3 767 reviews	Search China Airlines flights
Delta	PriceFrom $764	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $775	Free Cancellation	Rating 8.9 215 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $783	Free Cancellation	Rating 8.4 1,238 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.