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$421+ Cheap flights from Hanoi (HAN) to Seattle (SEA)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SEA
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find flight deals from Hanoi to Seattle

Best flights from Hanoi to Seattle
Discover carefully curated flight deals from Hanoi to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2025.

This Korean Air deal was found by Cheapflights users on 11/18. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:20 pmHAN - SEA
1 stop35h 40mKorean Air
Tue 3/1012:00 pmSEA - HAN
1 stop19h 45mKorean Air
Deal found 11/18$819
This Asiana Airlines deal was found by Cheapflights users on 11/18. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:30 pmHAN - SEA
1 stop15h 25mAsiana Airlines
Mon 3/912:10 amSEA - HAN
1 stop22h 00mAsiana Airlines
Deal found 11/18$869
This Bravofly deal was found by Cheapflights users on 11/20. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/176:20 pmHAN - SEA
1 stop14h 50mEVA Air
Sat 1/1711:30 pmSEA - HAN
1 stop21h 05mEVA Air
Deal found 11/20$886
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:20 pmHAN - SEA
1 stop16h 00mDelta
Tue 3/106:55 pmSEA - HAN
2 stops26h 15mDelta
Deal found 11/19$920
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Wed 4/112:05 pmHAN - SEA
1 stop21h 25mMultiple Airlines
Thu 4/3011:05 pmSEA - HAN
1 stop36h 45mMultiple Airlines
Deal found 11/20$925
This oojo deal was found by Cheapflights users on 11/20. 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 4/15:50 pmHAN - SEA
2 stops29h 20mChina Airlines
Thu 4/308:00 pmSEA - HAN
2 stops30h 50mChina Airlines
Deal found 11/20$977
This oojo deal was found by Cheapflights users on 11/20. 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 4/112:05 pmHAN - SEA
1 stop21h 25mEVA Air
Wed 4/291:30 amSEA - HAN
1 stop19h 35mEVA Air
Deal found 11/20$888
This oojo deal was found by Cheapflights users on 11/19. 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.
Fri 4/36:00 pmHAN - SEA
1 stop15h 30mEVA Air
Fri 4/310:55 pmSEA - HAN
2 stops22h 10mEVA Air
Deal found 11/19$1,008

Cheap flight deals from Hanoi to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$815
(Delta)

One-way from

$421
(Singapore Airlines)

Popular in

January

Cheapest in

September

Average price

$935
Provider with most accurate pricing for Hanoi Noibai-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hanoi Noibai-Seattle/Tacoma Intl flights.
Search Deals
From Hanoi Noibai to Seattle/Tacoma Intl
Search Deals
One-way flight from Hanoi Noibai to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hanoi to Seattle 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 November 20, 2025.
Use the filters below to find and compare flights from Hanoi to Seattle that are best for you.

Fly from

Hanoi

Fly to

Seattle

Route

Depart

Return

Price

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 3/9

12:20 pm-10:00 am

1 stop35h 40m

Seattle/Tacoma Intl

Tue 3/10

12:00 pm-9:45 pm

1 stop19h 45m

$819

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 3/9

1:30 pm-2:55 pm

1 stop15h 25m

Seattle/Tacoma Intl

Mon 3/9

12:10 am-12:10 pm

1 stop22h 00m

$869

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 1/17

6:20 pm-6:10 pm

1 stop14h 50m

Seattle/Tacoma Intl

Sat 1/17

11:30 pm-11:35 am

1 stop21h 05m

$886

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/1

12:05 pm-7:30 pm

1 stop21h 25m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-11:05 am

1 stop19h 35m

$888

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 3/9

12:20 pm-2:20 pm

1 stop16h 00m

Seattle/Tacoma Intl

Tue 3/10

6:55 pm-11:10 am

2 stops26h 15m

$920

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/1

12:05 pm-7:30 pm

1 stop21h 25m

Seattle/Tacoma Intl

Thu 4/30

11:05 pm-1:50 am

1 stop36h 45m

$925

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 4/1

5:50 pm-9:10 am

2 stops29h 20m

Seattle/Tacoma Intl

Thu 4/30

8:00 pm-4:50 pm

2 stops30h 50m

$977

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 4/3

6:00 pm-7:30 pm

1 stop15h 30m

Seattle/Tacoma Intl

Fri 4/3

10:55 pm-11:05 am

2 stops22h 10m

$1,008

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Mon 2/2

6:30 pm-7:10 am

1 stop27h 40m

$421

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 4/7

2:50 am-8:10 pm

1 stop31h 20m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 17 results
1
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Compare providers for flights from Hanoi to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hanoi to Seattle in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hanoi-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hanoi-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Hanoi-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hanoi-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hanoi-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hanoi to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Hanoi 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 Hanoi to Seattle

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

Find hourly flight availability from Hanoi to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Hanoi to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated November 20, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, and China Airlines from Hanoi to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,280 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
782 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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

  • How long is the flight from Hanoi to Seattle?

    Airlines like Korean Air, Asiana Airlines, and EVA Air fly from Hanoi to Seattle in about 14h 50m. The time it takes to get you to your destination can typically vary by up to 20h 50m. There are 6827 mi between Hanoi and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Hanoi to Seattle round-trip?

    Currently priced at $769, Korean Air will fly you from Hanoi to Seattle and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Airlines and EVA Air - these airlines can fly you to your destination from $794 and $887, respectively. These flights start at 18% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Hanoi to Seattle one-way?

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $421. Users have also found prices from $427 and $492 on Philippine Airlines and STARLUX Airlines, respectively.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Tukwila
Lakewood
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Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
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Federal Way
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Issaquah
Aberdeen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hanoi to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Hanoi to Seattle

Discover the top 3 airlines that operate flights from Hanoi to Seattle. 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$769Average$862FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$794Average$870FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$887Average$996FlexibilityNo cancel feeOn-time74%

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