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$408+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SEA
Feb 4 — Feb 111
Wed 2/4
Wed 2/11
1 adult, Economy
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Cheap 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 January 5, 2026.

This Singapore Airlines deal was found by Cheapflights users on 1/3. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:30 pmHAN - SEA
1 stop27h 40mSingapore Airlines
Sun 3/18:45 amSEA - HAN
1 stop41h 40mSingapore Airlines
Deal found 1/3$732
This Delta deal was found by Cheapflights users on 1/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:05 pmHAN - SEA
1 stop29h 15mDelta
Sun 2/2211:25 amSEA - HAN
1 stop32h 45mDelta
Deal found 1/4$796
This oojo deal was found by Cheapflights users on 1/2. 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 2/1711:30 amHAN - SEA
1 stop18h 35mSTARLUX Airlines
Tue 2/2411:45 pmSEA - HAN
1 stop26h 40mSTARLUX Airlines
Deal found 1/2$836
This China Airlines deal was found by Cheapflights users on 1/2. 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.
Thu 5/711:30 amHAN - SEA
1 stop21h 45mChina Airlines
Sat 5/91:15 amSEA - HAN
1 stop19h 15mChina Airlines
Deal found 1/2$839
This Priceline deal was found by Cheapflights users on 1/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/178:35 amHAN - SEA
1 stop19h 45mANA
Tue 2/247:15 amSEA - HAN
2 stops24h 50mANA
Deal found 1/2$859
This Trip.com deal was found by Cheapflights users on 1/4. 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.
Wed 2/115:35 amHAN - SEA
2 stops24h 30mMultiple Airlines
Sun 2/229:30 pmSEA - HAN
1 stop37h 15mMultiple Airlines
Deal found 1/4$865
This Asiana Airlines deal was found by Cheapflights users on 1/4. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:30 pmHAN - SEA
1 stop29h 25mAsiana Airlines
Fri 5/812:10 amSEA - HAN
1 stop22h 05mAsiana Airlines
Deal found 1/4$869
This oojo deal was found by Cheapflights users on 1/2. 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 2/1712:35 pmHAN - SEA
2 stops35h 12mEVA Air
Tue 2/241:32 pmSEA - HAN
2 stops31h 03mEVA Air
Deal found 1/2$881
This Kiwi.com deal was found by Cheapflights users on 1/3. 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.
Wed 2/1110:50 pmHAN - SEA
2 stops35h 02mMultiple Airlines
Sun 3/19:30 pmSEA - HAN
1 stop24h 10mMultiple Airlines
Deal found 1/3$895
This Delta deal was found by Cheapflights users on 1/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:10 pmHAN - SEA
1 stop25h 30mDelta
Sat 5/99:25 pmSEA - HAN
2 stops34h 10mDelta
Deal found 1/4$902

Find 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 January 5, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$732
(Singapore Airlines)

One-way from

$408
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$1,379
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. 15% potential increase in price ($171 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 5, 2026.
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

Wed 2/11

12:45 pm-7:10 am

1 stop33h 25m

Seattle/Tacoma Intl

Sun 3/1

8:45 am-5:25 pm

1 stop41h 40m

$732

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 2/12

12:45 pm-7:10 am

1 stop33h 25m

Seattle/Tacoma Intl

Sun 2/22

8:45 am-5:25 pm

1 stop41h 40m

$782

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 2/11

12:20 pm-1:20 pm

1 stop16h 00m

Seattle/Tacoma Intl

Sun 2/22

11:25 am-11:10 am

1 stop32h 45m

$796

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Thu 5/7

11:30 am-7:15 pm

1 stop21h 45m

Seattle/Tacoma Intl

Sat 5/9

1:15 am-10:30 am

1 stop19h 15m

$839

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 2/17

8:35 am-1:20 pm

1 stop19h 45m

Seattle/Tacoma Intl

Tue 2/24

7:15 am-11:05 pm

2 stops24h 50m

$859

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 2/11

10:05 am-3:05 pm

2 stops44h 00m

Seattle/Tacoma Intl

Sun 2/22

9:30 pm-1:45 am

1 stop37h 15m

$869

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 2/11

5:35 am-3:05 pm

2 stops24h 30m

Seattle/Tacoma Intl

Sun 3/1

9:30 pm-1:45 am

1 stop37h 15m

$869

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 3/18

3:45 pm-5:09 pm

2 stops39h 24m

$437

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 3/10

3:45 pm-4:04 pm

2 stops38h 19m

$446

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sun 4/5

11:10 pm-1:07 pm

1 stop27h 57m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 15 results
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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 January.
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.

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 January 5, 2026.
Get a feel of what it's like to fly with EVA 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
1,311 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
EVA Air
8.4
Very good
1,311 reviews
EVA Air
8.4
Very good
1,311 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
China Airlines
8.3
Very good
798 reviews
EVA Air
8.4
Very good
1,311 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

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 Singapore Airlines and Delta fly from Hanoi to Seattle in about 16h. The time it takes to get you to your destination can typically vary by up to 17h 25m. 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 $794, China Airlines will fly you from Hanoi to Seattle and back. In addition to China Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on EVA Air for as low as $813. These flights start at 17% 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 STARLUX Airlines. According to our data, you can fly for as low as $501. Users have also found prices from $504 and $535 on China Airlines and Delta, 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis
Tumwater

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
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Nha Trang to Seattle flights

Top 2 airlines flying from Hanoi to Seattle

Discover the top 2 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 January 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$794Average$886FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$813Average$961FlexibilityNo cancel feeOn-time74%

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