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Hanoi

$361+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HAN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Washington to Hanoi

Keep the following information in mind while searching for Washington to Hanoi flight deals. Data was last updated July 31, 2025.

Round-trip from

$598
(oojo)

One-way from

$361
(oojo)

Popular in

June

Cheapest in

April

Average price

$1,116
From Washington to Hanoi Noibai
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One-way flight from Washington to Hanoi Noibai
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Highest demand for flights based on searches. 18% potential increase in price ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This oojo deal was found by Cheapflights users on 7/30. 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.
Sat 11/19:45 amSEA - HAN
1 stop33h 00mSingapore Airlines
Sat 11/1512:35 pmHAN - SEA
1 stop33h 35mSingapore Airlines
Deal found 7/30$665
This oojo deal was found by Cheapflights users on 7/30. 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.
Mon 9/12:15 pmSEA - HAN
1 stop32h 00mAsiana Airlines
Wed 4/111:30 pmHAN - SEA
1 stop29h 25mAsiana Airlines
Deal found 7/30$687
This CrystalTravel deal was found by Cheapflights users on 7/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:41 pmSEA - HAN
2 stops26h 59mKorean Air
Wed 9/311:10 pmHAN - SEA
1 stop25h 30mKorean Air
Deal found 7/30$693
This oojo deal was found by Cheapflights users on 7/28. 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.
Sun 9/1411:35 pmSEA - HAN
1 stop20h 50mPhilippine Airlines
Thu 9/252:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
Deal found 7/28$712
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:00 amSEA - HAN
1 stop33h 10mMultiple Airlines
Mon 11/1711:30 pmHAN - SEA
1 stop24h 30mMultiple Airlines
Deal found 7/29$730
This oojo deal was found by Cheapflights users on 7/29. 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.
Sun 8/241:40 amSEA - HAN
1 stop25h 10mChina Airlines
Mon 9/111:35 amHAN - SEA
1 stop22h 10mChina Airlines
Deal found 7/29$749
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/141:05 pmSEA - HAN
2 stops43h 10mUnited Airlines
Sun 9/2111:35 pmHAN - SEA
2 stops37h 24mUnited Airlines
Deal found 7/30$761
This oojo deal was found by Cheapflights users on 7/31. 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.
Thu 9/251:15 amSEA - HAN
1 stop25h 35mSTARLUX Airlines
Sat 10/115:50 pmHAN - SEA
1 stop36h 20mSTARLUX Airlines
Deal found 7/31$790
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Fri 9/57:00 amSEA - HAN
2 stops25h 15mANA
Sun 9/2111:35 pmHAN - SEA
2 stops35h 19mANA
Deal found 7/30$803
This Korean Air deal was found by Cheapflights users on 7/31. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:17 amPDX - HAN
2 stops22h 18mKorean Air
Mon 9/2911:10 pmHAN - PDX
2 stops29h 42mKorean Air
Deal found 7/31$821
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/149:47 amPDX - HAN
2 stops46h 28mUnited Airlines
Sun 9/2111:35 pmHAN - PDX
2 stops35h 02mUnited Airlines
Deal found 7/31$833
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Wed 10/19:30 pmPDX - HAN
2 stops22h 40mSTARLUX Airlines
Sun 10/1211:25 amHAN - PDX
2 stops25h 20mSTARLUX Airlines
Deal found 7/30$851

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 July 31, 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

Tue 1/13

8:45 am-11:30 am

1 stop35h 45m

Hanoi Noibai

Wed 1/28

6:25 pm-7:10 am

1 stop27h 45m

$598

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 1/12

12:10 am-1:10 pm

1 stop22h 00m

Hanoi Noibai

Wed 1/28

11:30 pm-1:55 pm

1 stop29h 25m

$686

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 8/27

5:41 pm-10:40 am

2 stops26h 59m

Hanoi Noibai

Wed 9/3

11:10 pm-10:40 am

1 stop25h 30m

$693

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 9/14

11:35 pm-10:25 am

1 stop20h 50m

Hanoi Noibai

Thu 9/25

2:30 am-7:15 pm

1 stop30h 45m

$712

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 11/4

11:00 am-11:10 am

1 stop33h 10m

Hanoi Noibai

Mon 11/17

11:30 pm-9:00 am

1 stop24h 30m

$730

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 8/24

1:40 am-4:50 pm

1 stop25h 10m

Hanoi Noibai

Mon 9/1

11:35 am-7:45 pm

1 stop22h 10m

$749

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 9/14

1:05 pm-10:15 pm

2 stops43h 10m

Hanoi Noibai

Sun 9/21

11:35 pm-10:59 pm

2 stops37h 24m

$761

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 10/4

1:15 am-10:10 am

1 stop18h 55m

Hanoi Noibai

Sat 10/18

5:50 pm-4:10 pm

1 stop36h 20m

$789

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 9/5

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

Sun 9/21

11:35 pm-8:54 pm

2 stops35h 19m

$803

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Mon 9/22

9:17 am-9:35 pm

2 stops22h 18m

Hanoi Noibai

Tue 9/30

12:00 pm-10:39 pm

2 stops24h 39m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 34 results
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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 $941). Flying from State of Washington to Hanoi in December is currently the most expensive (average of $1,618). 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 July 31, 2025.

When flying from State of Washington to Hanoi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air, and ANA from Washington to Hanoi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
199 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,121 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.4
Very good
922 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,536 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
754 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

  • 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 Asiana Airlines ($361), Japan Airlines ($381), and Delta ($386).

  • 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 $941). Flying from State of Washington to Hanoi in December is currently the most expensive (average of $1,618). 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

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Alternative routes for Washington to Hanoi

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$639Average$769FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$682Average$1,007FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$717Average$880FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$747Average$854FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$760Average$908FlexibilityNo cancel feeOn-time81%
DeltaCheapest$764Average$864FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$802Average$898FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$808Average$973FlexibilityNo cancel feeOn-time74%

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