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$414+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SEA
nov. 5 — nov. 121
mié. 11/5
mié. 11/12
1 adult, Economy
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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 octubre 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$787
(oojo)

One-way from

$414
(Trip.com)

Popular in

January

Cheapest in

September

Average price

$939
Provider with most accurate pricing for Hanoi Noibai-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Hanoi Noibai-Seattle/Tacoma Intl flights.
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From Hanoi Noibai to Seattle/Tacoma Intl
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One-way flight from Hanoi Noibai to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 6% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Hanoi to Seattle

Cheapest flights from Hanoi to Seattle
Explore the most affordable flight options available from Hanoi to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 6, 2025.

This oojo deal was found by Cheapflights users on 10/5. 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.
dom. 12/2111:30 amHAN - SEA
1 stop18h 35mSTARLUX Airlines
mié. 1/2811:45 pmSEA - HAN
1 stop19h 45mSTARLUX Airlines
Deal found 10/5$787
This oojo deal was found by Cheapflights users on 10/4. 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.
sáb. 12/66:25 pmHAN - SEA
1 stop35h 40mSTARLUX Airlines
jue. 4/231:15 amSEA - HAN
1 stop25h 35mSTARLUX Airlines
Deal found 10/4$790
This FlightHub deal was found by Cheapflights users on 10/5. 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.
sáb. 12/206:25 pmHAN - SEA
1 stop35h 40mSTARLUX Airlines
jue. 1/2911:45 pmSEA - HAN
1 stop26h 40mSTARLUX Airlines
Deal found 10/5$792
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
jue. 12/1810:50 pmHAN - SEA
1 stop29h 55mMultiple Airlines
mar. 1/279:30 pmSEA - HAN
1 stop37h 15mMultiple Airlines
Deal found 10/5$803
This Trip.com deal was found by Cheapflights users on 10/4. 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.
mar. 11/185:30 pmHAN - SEA
1 stop15h 40mChina Airlines
lun. 11/2412:10 amSEA - HAN
1 stop25h 20mChina Airlines
Deal found 10/4$809
This FlightHub deal was found by Cheapflights users on 10/5. 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.
sáb. 12/2011:50 pmHAN - SEA
1 stop29h 05mAsiana Airlines
lun. 1/2612:10 amSEA - HAN
1 stop31h 15mAsiana Airlines
Deal found 10/5$814
This Korean Air deal was found by Cheapflights users on 10/5. 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.
mar. 12/2311:05 pmHAN - SEA
1 stop24h 55mKorean Air
lun. 1/2611:00 amSEA - HAN
1 stop33h 10mKorean Air
Deal found 10/5$819
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
mar. 11/189:55 pmHAN - SEA
2 stops35h 45mMultiple Airlines
mar. 11/259:30 pmSEA - HAN
1 stop24h 10mMultiple Airlines
Deal found 10/4$824
This STARLUX Airlines deal was found by Cheapflights users on 10/5. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1911:30 amHAN - SEA
1 stop18h 35mSTARLUX Airlines
mié. 1/2811:45 pmSEA - HAN
1 stop19h 45mSTARLUX Airlines
Deal found 10/5$826
This China Airlines deal was found by Cheapflights users on 10/4. 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.
jue. 12/1111:35 amHAN - SEA
1 stop21h 35mMultiple Airlines
jue. 4/306:00 pmSEA - HAN
2 stops26h 35mMultiple Airlines
Deal found 10/4$865

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 octubre 6, 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

sáb. 12/6

6:25 pm-3:05 pm

1 stop35h 40m

Seattle/Tacoma Intl

jue. 4/23

1:15 am-4:50 pm

1 stop25h 35m

$790

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 12/11

6:25 pm-3:05 pm

1 stop35h 40m

Seattle/Tacoma Intl

mié. 4/29

1:15 am-10:10 am

1 stop18h 55m

$790

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

mar. 11/18

11:30 am-3:05 pm

1 stop18h 35m

Seattle/Tacoma Intl

mar. 11/25

11:45 pm-5:25 pm

1 stop26h 40m

$790

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 3/5

12:20 pm-9:00 am

1 stop35h 40m

Seattle/Tacoma Intl

lun. 3/9

12:00 pm-11:10 am

1 stop33h 10m

$819

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

sáb. 12/6

11:05 pm-9:00 am

1 stop24h 55m

Seattle/Tacoma Intl

vie. 4/24

12:50 pm-9:35 pm

1 stop18h 45m

$819

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

mié. 12/24

11:05 pm-9:00 am

1 stop24h 55m

Seattle/Tacoma Intl

vie. 1/30

11:00 am-9:45 pm

1 stop19h 45m

$819

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

mar. 12/23

11:05 pm-9:00 am

1 stop24h 55m

Seattle/Tacoma Intl

sáb. 1/31

11:00 am-11:10 am

1 stop33h 10m

$819

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

vie. 12/19

11:30 am-3:05 pm

1 stop18h 35m

Seattle/Tacoma Intl

vie. 1/30

11:45 pm-10:30 am

1 stop19h 45m

$826

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 12/18

6:25 pm-3:05 pm

1 stop35h 40m

Seattle/Tacoma Intl

vie. 1/30

11:45 pm-10:30 am

1 stop19h 45m

$826

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

vie. 12/19

11:30 am-3:05 pm

1 stop18h 35m

Seattle/Tacoma Intl

mar. 1/27

11:45 pm-5:25 pm

1 stop26h 40m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 20 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hanoi-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 month to book a flight from Hanoi to Seattle?

Currently, June is the cheapest month in which you can book a flight from Hanoi to Seattle (average of $769). Flying from Hanoi to Seattle in January is currently the most expensive (average of $1,010). 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 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 octubre 6, 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 octubre 6, 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
1,246 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

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
1,246 reviews
EVA Air
8.4
Very good
1,246 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

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
1,145 reviews
EVA Air
8.4
Very good
1,246 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

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
767 reviews
EVA Air
8.4
Very good
1,246 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

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 STARLUX Airlines and Korean Air fly from Hanoi to Seattle in about 35h 40m. The time it takes to get you to your destination can typically vary by up to . There are 6827 mi between Hanoi and Seattle.

  • 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 $885, respectively. These flights start at 16% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Hanoi to Seattle?

    Currently, June is the cheapest month in which you can book a flight from Hanoi to Seattle (average of $769). Flying from Hanoi to Seattle in January is currently the most expensive (average of $1,010). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
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Edmonds
Leavenworth
Renton
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Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
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Issaquah
Aberdeen
Shoreline

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.
Ho Chi Minh City to Seattle flights
Da Nang to Seattle flights
Ho Chi Minh City to Portland flights
Nha Trang to Seattle flights
Da Nang to Portland flights

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 octubre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$769Average$862FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$794Average$894FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$885Average$962FlexibilityNo cancel feeOn-time74%

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