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$355+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HAN
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$715
(FlightHub)

One-way from

$355
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$783
Provider with most accurate pricing for Seattle/Tacoma Intl-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hanoi Noibai flights.
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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. 6% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This oojo deal was found by Cheapflights users on 4/28. 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 8/317:00 amSEA - HAN
2 stops24h 50mJapan Airlines
Wed 9/1711:20 pmHAN - SEA
2 stops29h 36mJapan Airlines
Deal found 4/28$721
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:00 amSEA - HAN
2 stops25h 15mUnited Airlines
Thu 5/2211:35 pmHAN - SEA
1 stop28h 50mUnited Airlines
Deal found 4/28$729
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:00 amSEA - HAN
2 stops25h 15mANA
Thu 5/2211:35 pmHAN - SEA
2 stops35h 36mANA
Deal found 4/28$734
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:15 amSEA - HAN
1 stop41h 20mSingapore Airlines
Sat 10/1112:40 pmHAN - SEA
1 stop34h 05mSingapore Airlines
Deal found 4/28$750
This oojo deal was found by Cheapflights users on 4/28. 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 8/3111:35 pmSEA - HAN
1 stop35h 55mPhilippine Airlines
Tue 9/162:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
Deal found 4/28$803
This oojo deal was found by Cheapflights users on 4/28. 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.
Wed 9/32:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Fri 9/1911:30 pmHAN - SEA
1 stop27h 00mAsiana Airlines
Deal found 4/28$805
This CrystalTravel deal was found by Cheapflights users on 4/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/812:50 pmSEA - HAN
1 stop18h 45mKorean Air
Thu 5/2211:10 pmHAN - SEA
1 stop25h 30mKorean Air
Deal found 4/28$808
This China Airlines deal was found by Cheapflights users on 4/27. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:45 pmPDX - HAN
2 stops23h 50mMultiple Airlines
Mon 11/1011:35 amHAN - PDX
2 stops27h 18mMultiple Airlines
Deal found 4/27$828
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:40 amSEA - HAN
1 stop25h 10mMultiple Airlines
Wed 9/175:50 pmHAN - SEA
2 stops28h 19mMultiple Airlines
Deal found 4/28$841
This oojo deal was found by Cheapflights users on 4/28. 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.
Sat 8/302:10 amSEA - HAN
1 stop18h 55mEVA Air
Wed 9/1712:05 pmHAN - SEA
1 stop21h 25mEVA Air
Deal found 4/28$842
This ScholarTrip deal was found by Cheapflights users on 4/28. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/81:15 amSEA - HAN
1 stop19h 10mSTARLUX Airlines
Sat 8/305:50 pmHAN - SEA
1 stop36h 45mSTARLUX Airlines
Deal found 4/28$867
This Ovago deal was found by Cheapflights users on 4/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/91:40 amSEA - HAN
1 stop25h 10mChina Airlines
Sun 8/3111:35 amHAN - SEA
1 stop22h 10mChina Airlines
Deal found 4/28$872

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 April 29, 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 8/31

7:00 am-9:50 pm

2 stops24h 50m

Hanoi Noibai

Wed 9/17

11:20 pm-2:56 pm

2 stops29h 36m

$721

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Thu 5/8

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

Thu 5/22

11:35 pm-2:25 pm

1 stop28h 50m

$729

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Thu 5/8

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

Thu 5/22

11:35 pm-9:11 pm

2 stops35h 36m

$734

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 9/26

10:15 am-5:35 pm

1 stop41h 20m

Hanoi Noibai

Sat 10/11

12:40 pm-8:45 am

1 stop34h 05m

$750

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 8/31

11:35 pm-1:30 am

1 stop35h 55m

Hanoi Noibai

Tue 9/16

2:30 am-7:15 pm

1 stop30h 45m

$803

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Wed 9/3

2:15 pm-10:00 pm

1 stop17h 45m

Hanoi Noibai

Fri 9/19

11:30 pm-12:30 pm

1 stop27h 00m

$805

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Thu 5/8

12:50 pm-9:35 pm

1 stop18h 45m

Hanoi Noibai

Thu 5/22

11:10 pm-10:40 am

1 stop25h 30m

$808

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 8/30

1:40 am-4:50 pm

1 stop25h 10m

Hanoi Noibai

Wed 9/17

5:50 pm-8:09 am

2 stops28h 19m

$841

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sat 8/30

2:10 am-11:05 am

1 stop18h 55m

Hanoi Noibai

Wed 9/17

12:05 pm-7:30 pm

1 stop21h 25m

$842

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Fri 8/8

1:15 am-10:25 am

1 stop19h 10m

Hanoi Noibai

Sat 8/30

5:50 pm-4:35 pm

1 stop36h 45m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 40 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 $975). 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 April 29, 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.

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

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 April 29, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from Washington to Hanoi. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,184 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,063 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
729 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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 Singapore Airlines ($355), ANA ($365), and Japan Airlines ($383).

  • 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 $975). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$628Average$1,083FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$769FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$760Average$923FlexibilityNo cancel feeOn-time81%
DeltaCheapest$764Average$965FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$765Average$891FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$767Average$863FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$808Average$1,001FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$853Average$909FlexibilityNo cancel feeOn-timeN/A

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