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

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

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 47% 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.

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 October 2026, there are 7 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.

$269 Cheap Flights from Washington to Hanoi in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

9:40 am - 3:10 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

39h 30m1 stop Singapore Changi

4:15 pm - 8:45 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 30m1 stop Singapore Changi

$628Singapore Airlines

Wed, Mar 17 - Wed, Mar 31

10:15 am - 5:40 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

41h 25m1 stop Singapore Changi

4:15 pm - 8:45 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 30m1 stop Singapore Changi

$643Singapore Airlines

Sun, Mar 28 - Wed, Apr 14

5:52 pm - 11:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

26h 18m2 stops Los Angeles Incheon Intl

12:20 pm - 2:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 50m1 stop Incheon Intl

$738Korean Air

Mon, Nov 16 - Mon, Nov 23

11:00 am - 9:45 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 45m1 stop Incheon Intl

12:20 pm - 2:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

16h 50m1 stop Incheon Intl

$744Korean Air

Mon, Nov 16 - Mon, Nov 23

12:30 pm - 11:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 40m1 stop Incheon Intl

11:05 pm - 11:56 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

27h 51m1 stop Incheon Intl

$776Delta

Mon, Nov 16 - Tue, Dec 1

1:00 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 35m1 stop Incheon Intl

11:05 pm - 11:51 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

27h 46m1 stop Incheon Intl

$786Delta

Mon, Oct 19 - Mon, Nov 2

1:15 am - 10:30 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 15m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 7:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

21h 35m1 stop Taipei City Taiwan Taoyuan Intl

$808China Airlines

Thu, Oct 22 - Sat, Oct 31

12:10 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 25m1 stop Taipei City Taiwan Taoyuan Intl

5:30 pm - 6:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

15h 40m1 stop Taipei City Taiwan Taoyuan Intl

$809China Airlines

Sun, Nov 1 - Sun, Nov 8

10:25 am - 10:05 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

32h 40m1 stop Hong Kong Intl

7:25 pm - 9:45 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 20m1 stop Hong Kong Intl

$824Cathay Pacific

Thu, Mar 4 - Sun, Mar 14

7:00 am - 11:05 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

25h 05m2 stops San Francisco Tokyo Narita

12:25 am - 1:20 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

27h 55m1 stop Tokyo Narita

$829United Airlines

Fri, Jan 8 - Mon, Jan 18

Cheap last minute flights

Enter your travel dates to find the best prices.

11:10 pm - 12:45 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

35h 35m1 stop Manila Ninoy Aquino Intl

2:35 am - 7:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

31h 10m1 stop Manila Ninoy Aquino Intl

$843Philippine Airlines

Sun, Oct 11 - Tue, Oct 27

11:10 pm - 1:15 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

24h 05m1 stop Manila Ninoy Aquino Intl

1:45 am - 8:05 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

32h 20m1 stop Manila Ninoy Aquino Intl

$843Philippine Airlines

Sun, Oct 11 - Tue, Oct 20

1:15 am - 10:30 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 15m1 stop Taipei City Taiwan Taoyuan Intl

5:50 pm - 7:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

$859China Airlines

Mon, Oct 12 - Tue, Oct 20

1:15 am - 8:50 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

29h 35m2 stops Taipei City Taiwan Taoyuan Intl Da Nang

7:00 pm - 7:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

38h 10m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

$1,146China Airlines

Sat, Oct 10 - Wed, Oct 28

1:30 am - 11:05 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

6:20 pm - 6:30 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

14h 10m1 stop Taipei City Taiwan Taoyuan Intl

$1,278EVA Air

Fri, Oct 9 - Sat, Oct 31

11:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 45m2 stops Minneapolis St Paul Incheon Intl

11:05 pm - 8:27 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

35h 22m2 stops Incheon Intl Los Angeles

$4,505Delta

Mon, Oct 12 - Fri, Oct 30

11:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 45m2 stops Minneapolis St Paul Incheon Intl

11:05 pm - 10:05 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

25h 00m1 stop Incheon Intl

$4,772Delta

Mon, Oct 12 - Fri, Oct 30

1:15 am - 4:50 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

25h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:40 am - 4:05 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

$5,390STARLUX Airlines

Mon, Oct 12 - Sat, Oct 31

1:15 am - 10:10 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

11:40 am - 4:05 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

$5,994STARLUX Airlines

Sun, Oct 11 - Sat, Oct 31

1:30 am - 11:05 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

12:35 pm - 7:10 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

$7,217EVA Air

Sat, Oct 10 - Tue, Oct 27

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Singapore Airlines flights from State of Washington to Hanoi

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

Singapore Airlines

Mar 17

SEA9:40 amSeattle/Tacoma Intl

39h 30m

1 stop

HAN3:10 pmHanoi Noibai

Mar 31

HAN4:15 pmHanoi Noibai

30h 30m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$628

Singapore Airlines

Mar 28

SEA10:15 amSeattle/Tacoma Intl

41h 25m

1 stop

HAN5:40 pmHanoi Noibai

Apr 14

HAN4:15 pmHanoi Noibai

30h 30m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$643

Singapore Airlines

Mar 13

SEA8:40 amSeattle/Tacoma Intl

39h 30m

1 stop

HAN3:10 pmHanoi Noibai

Mar 29

HAN6:30 pmHanoi Noibai

28h 15m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$665

Korean Air flights from State of Washington to Hanoi

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

Korean Air

Nov 16

SEA5:52 pmSeattle/Tacoma Intl

26h 18m

2 stops

HAN11:10 amHanoi Noibai

Nov 23

HAN12:20 pmHanoi Noibai

16h 50m

1 stop

SEA2:10 pmSeattle/Tacoma Intl

$738

Korean Air

Nov 16

SEA11:00 amSeattle/Tacoma Intl

19h 45m

1 stop

HAN9:45 pmHanoi Noibai

Nov 23

HAN12:20 pmHanoi Noibai

16h 50m

1 stop

SEA2:10 pmSeattle/Tacoma Intl

$744

Korean Air

Nov 11

SEA5:52 pmSeattle/Tacoma Intl

26h 18m

2 stops

HAN11:10 amHanoi Noibai

Nov 25

HAN11:05 pmHanoi Noibai

25h 00m

1 stop

SEA9:05 amSeattle/Tacoma Intl

$759

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Wed 3/17

9:40 am-3:10 pm

1 stop39h 30m

Hanoi Noibai

Wed 3/31

4:15 pm-8:45 am

1 stop30h 30m

$628

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Sun 3/28

10:15 am-5:40 pm

1 stop41h 25m

Hanoi Noibai

Wed 4/14

4:15 pm-8:45 am

1 stop30h 30m

$643

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Mon 11/16

5:52 pm-11:10 am

2 stops26h 18m

Hanoi Noibai

Mon 11/23

12:20 pm-2:10 pm

1 stop16h 50m

$738

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Mon 11/16

11:00 am-9:45 pm

1 stop19h 45m

Hanoi Noibai

Mon 11/23

12:20 pm-2:10 pm

1 stop16h 50m

$744

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Mon 11/16

12:30 pm-11:10 am

1 stop31h 40m

Hanoi Noibai

Tue 12/1

11:05 pm-11:56 am

1 stop27h 51m

$776

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Mon 10/19

1:00 pm-9:35 pm

1 stop18h 35m

Hanoi Noibai

Mon 11/2

11:05 pm-11:51 am

1 stop27h 46m

$786

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Thu 10/22

1:15 am-10:30 am

1 stop19h 15m

Hanoi Noibai

Sat 10/31

11:35 am-7:10 pm

1 stop21h 35m

$808

Quickest round-trip

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Sun 11/1

12:10 am-10:35 am

1 stop19h 25m

Hanoi Noibai

Sun 11/8

5:30 pm-6:10 pm

1 stop15h 40m

$809

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Thu 3/4

10:25 am-10:05 am

1 stop32h 40m

Hanoi Noibai

Sun 3/14

7:25 pm-9:45 am

1 stop28h 20m

$824

SeattleHanoi

SEA Seattle/Tacoma Intl - HAN Hanoi Noibai

SEAHAN

Seattle/Tacoma Intl

Fri 1/8

7:00 am-11:05 pm

2 stops25h 05m

Hanoi Noibai

Mon 1/18

12:25 am-1:20 pm

1 stop27h 55m

$829

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 $684, 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 $768.

How far in advance should I book a flight from Washington 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 $890 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 $675 on momondo.

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

You could potentially save up to 37% 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	$269
Fastest flight time	19h 45m
Direct flights	None

The best one-way flight to Hanoi from State of Washington in the past 72 hours is $269. The best round-trip flight deal from State of Washington to Hanoi found on momondo in the last 72 hours is $628.

The fastest flight from State of Washington to Hanoi takes 19h 45m

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 October 2026, there are 7 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 7.8 8,632 reviews	Search Delta flights
Singapore Airlines	PriceFrom $521	Free Cancellation	Rating 8.2 1,623 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $614	Free Cancellation	Rating 8.3 851 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $628	Free Cancellation	Rating 8.1 563 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $668	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
EVA Air	PriceFrom $758	Free Cancellation	Rating 8.5 1,545 reviews	Search EVA Air flights
STARLUX Airlines	PriceFrom $797	Free Cancellation	Rating 8.8 393 reviews	Search STARLUX Airlines 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.