HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hanoi

$305+ Cheap flights from Washington to Hanoi (HAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HAN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Hanoi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Hanoi

Cheapest flights from Washington to Hanoi
Explore the most affordable flight options available from Washington to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - HAN
1 stop24h 10mPhilippine Airlines
Thu 12/251:55 pmHAN - SEA
1 stop19h 45mPhilippine Airlines
Deal found 12/15$1,509
This KAYAK deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - HAN
1 stop24h 10mPhilippine Airlines
Tue 12/231:55 pmHAN - SEA
1 stop19h 45mPhilippine Airlines
Deal found 12/15$1,519
This oojo deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - HAN
1 stop24h 10mPhilippine Airlines
Thu 12/252:50 amHAN - SEA
1 stop30h 50mPhilippine Airlines
Deal found 12/16$1,530
This oojo deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:45 pmSEA - HAN
1 stop19h 45mSTARLUX Airlines
Wed 12/316:25 pmHAN - SEA
1 stop35h 40mSTARLUX Airlines
Deal found 12/18$1,607
This CheapOair deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:45 pmSEA - HAN
1 stop19h 45mMultiple Airlines
Mon 1/57:30 pmHAN - SEA
2 stops33h 57mMultiple Airlines
Deal found 12/18$1,616
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - HAN
1 stop24h 10mMultiple Airlines
Fri 12/269:35 amHAN - SEA
2 stops24h 05mMultiple Airlines
Deal found 12/15$1,629
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - HAN
1 stop24h 10mMultiple Airlines
Mon 12/226:20 pmHAN - SEA
2 stops20h 39mMultiple Airlines
Deal found 12/15$1,656
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - HAN
1 stop24h 10mMultiple Airlines
Thu 12/257:45 pmHAN - SEA
2 stops26h 22mMultiple Airlines
Deal found 12/15$1,740
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - HAN
2 stops25h 40mMultiple Airlines
Tue 12/232:25 pmHAN - SEA
1 stop18h 45mMultiple Airlines
Deal found 12/15$1,748
This AranGrant deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:30 amPDX - HAN
2 stops24h 35mANA
Tue 1/612:25 amHAN - PDX
2 stops33h 31mANA
Deal found 12/16$2,322
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:30 amPDX - HAN
2 stops24h 35mUnited Airlines
Tue 1/612:25 amHAN - PDX
2 stops29h 23mUnited Airlines
Deal found 12/17$2,371
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:34 pmPDX - HAN
2 stops44h 11mMultiple Airlines
Tue 12/232:50 amHAN - PDX
2 stops36h 22mMultiple Airlines
Deal found 12/16$5,229

Find flight deals from Washington to Hanoi

Keep the following information in mind while searching for Washington to Hanoi flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$653
(oojo)

One-way from

$305
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$1,374
Provider with most accurate pricing for Seattle/Tacoma Intl-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hanoi Noibai flights.
Search Deals
From Washington to Hanoi Noibai
Search Deals
One-way flight from Washington to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Washington to Hanoi that are best for you.

Fly from

Washington

Fly to

Hanoi

Route

Depart

Return

Price

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 1/18

11:00 am-11:10 am

1 stop33h 10m

Hanoi Noibai

Tue 1/27

12:20 pm-9:00 am

1 stop35h 40m

$687

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 1/14

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Mon 1/19

1:30 pm-1:55 pm

1 stop15h 25m

$704

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Wed 1/21

5:35 am-11:05 pm

2 stops26h 30m

Hanoi Noibai

Tue 2/3

12:25 am-6:56 pm

2 stops33h 31m

$715

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Wed 1/21

5:35 am-11:05 pm

2 stops26h 30m

Hanoi Noibai

Mon 2/2

12:25 am-2:46 pm

2 stops29h 21m

$715

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Tue 1/20

7:45 am-11:05 pm

2 stops24h 20m

Hanoi Noibai

Mon 2/2

12:25 am-2:46 pm

2 stops29h 21m

$715

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 4/10

7:20 am-9:35 pm

2 stops24h 15m

Hanoi Noibai

Tue 4/21

11:10 pm-10:40 am

1 stop25h 30m

$724

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 3/1

11:00 am-11:10 am

1 stop33h 10m

Hanoi Noibai

Thu 3/19

12:20 pm-8:02 pm

2 stops21h 42m

$730

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 1/14

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Thu 1/22

11:50 pm-1:55 pm

1 stop29h 05m

$734

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 1/11

12:10 am-10:25 pm

1 stop31h 15m

Hanoi Noibai

Wed 1/21

1:30 pm-1:55 pm

1 stop15h 25m

$734

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 3/9

12:00 pm-11:10 am

1 stop33h 10m

Hanoi Noibai

Thu 3/12

12:20 pm-8:00 pm

2 stops21h 40m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 38 results
1
2
3
4

Best time to book a flight from Washington to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Hanoi

What is the cheapest month to book a flight from State of Washington to Hanoi?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Hanoi (average of $542). Flying from State of Washington to Hanoi in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to HAN?

Find hourly flight availability from Washington to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from State of Washington to Hanoi, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 14% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Washington to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hanoi from Washington?

    For a flight from Washington to Hanoi, you will be flying into Noibai. Hanoi Noibai (HAN) is just 14.2 mi from the center of the city.

  • How long is the flight from State of Washington to Hanoi?

    Departing from State of Washington to Hanoi will take you 21h. There are 6827 mi between State of Washington and Hanoi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Hanoi one-way?

    The cheapest airlines for a one-way flight from State of Washington to Hanoi are Singapore Airlines ($309), Korean Air ($360), and Asiana Airlines ($362).

  • Can I find deals for flights from Washington to Hanoi that include hotel bookings?

    Yes. In addition to deals on Washington to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Hanoi.

  • Can I find deals for business class flights from Washington to Hanoi?

    Yes. Cheapflights offers flight deals from Washington to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Hanoi (average of $542). Flying from State of Washington to Hanoi in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Ho Chi Minh City flights
San Francisco to Ho Chi Minh City flights
Hobby to Ho Chi Minh City flights
George Bush Intcntl to Ho Chi Minh City flights
Dallas/Fort Worth to Ho Chi Minh City flights
Dulles Intl to Ho Chi Minh City flights
Ontario to Ho Chi Minh City flights
John F Kennedy Intl to Ho Chi Minh City flights
Boston to Ho Chi Minh City flights
Santa Ana to Ho Chi Minh City flights
Los Angeles to Hanoi flights
O'Hare Intl to Ho Chi Minh City flights
Seattle to Ho Chi Minh City flights
Love Field to Ho Chi Minh City flights
Atlanta to Ho Chi Minh City flights
Burbank to Ho Chi Minh City flights
Newark to Ho Chi Minh City flights
San Jose to Ho Chi Minh City flights
San Francisco to Da Nang flights
Reagan-National to Ho Chi Minh City flights
Minneapolis to Ho Chi Minh City flights
Los Angeles to Da Nang flights
Philadelphia to Ho Chi Minh City flights
John F Kennedy Intl to Hanoi flights
Sky Harbor Intl to Ho Chi Minh City flights
San Diego to Ho Chi Minh City flights
San Francisco to Hanoi flights
Baltimore to Ho Chi Minh City flights
LaGuardia to Ho Chi Minh City flights
Oakland to Ho Chi Minh City flights
Santa Ana to Hanoi flights
Tampa to Ho Chi Minh City flights
Orlando to Ho Chi Minh City flights
Denver to Ho Chi Minh City flights
Seattle to Da Nang flights
Ontario to Hanoi flights
Portland to Ho Chi Minh City flights
Burbank to Hanoi flights
Charlotte to Ho Chi Minh City flights
Dallas/Fort Worth to Da Nang flights
Newark to Hanoi flights
Seattle to Hanoi flights
Midway to Ho Chi Minh City flights
Denver to Hanoi flights
O'Hare Intl to Hanoi flights
LaGuardia to Hanoi flights
Salt Lake City to Ho Chi Minh City flights
Honolulu to Ho Chi Minh City flights
John F Kennedy Intl to Da Nang flights
Austin to Ho Chi Minh City flights

Top 8 airlines flying from Washington to Hanoi

Discover the top 8 airlines that operate flights from Washington to Hanoi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$628Average$820FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$730FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$652Average$685FlexibilityNo cancel feeOn-time60%
China AirlinesCheapest$688Average$828FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$704Average$900FlexibilityNo cancel feeOn-time81%
DeltaCheapest$728Average$965FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$771Average$888FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$783Average$936FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights