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$520+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SEA
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$840
(oojo)

One-way from

$520
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$908
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
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 28, 2025.

This oojo deal was found by Cheapflights users on 3/26. 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.
jue. 5/811:30 pmHAN - SEA
1 stop27h 00mAsiana Airlines
mié. 5/212:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Deal found 3/26$840
This oojo deal was found by Cheapflights users on 3/26. 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.
jue. 5/811:35 amHAN - SEA
1 stop21h 55mChina Airlines
mar. 5/201:10 amSEA - HAN
1 stop19h 25mChina Airlines
Deal found 3/26$881
This Trip.com deal was found by Cheapflights users on 3/26. 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.
jue. 5/296:00 pmHAN - SEA
1 stop15h 30mEVA Air
vie. 6/2712:50 amSEA - HAN
1 stop26h 00mEVA Air
Deal found 3/26$904
This Trip.com deal was found by Cheapflights users on 3/26. 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.
vie. 4/1811:10 amHAN - SEA
1 stop19h 00mSTARLUX Airlines
mar. 4/221:15 amSEA - HAN
1 stop25h 35mSTARLUX Airlines
Deal found 3/26$936
This United Airlines deal was found by Cheapflights users on 3/26. 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.
jue. 5/811:35 pmHAN - SEA
2 stops32h 55mUnited Airlines
mié. 5/215:40 pmSEA - HAN
2 stops38h 35mUnited Airlines
Deal found 3/26$960
This Kiwi.com deal was found by Cheapflights users on 3/26. 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. 4/171:40 amHAN - SEA
2 stops31h 21mMultiple Airlines
mar. 4/221:10 amSEA - HAN
1 stop19h 25mMultiple Airlines
Deal found 3/26$1,001
This Delta deal was found by Cheapflights users on 3/26. 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.
jue. 5/2911:10 pmHAN - SEA
2 stops37h 15mDelta
sáb. 6/289:55 pmSEA - HAN
2 stops33h 40mDelta
Deal found 3/26$1,031
This Gurufare deal was found by Cheapflights users on 3/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/202:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
mié. 6/1811:35 pmSEA - HAN
1 stop35h 10mPhilippine Airlines
Deal found 3/27$1,479
This Emirates deal was found by Cheapflights users on 3/26. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/281:15 amHAN - SEA
1 stop26h 10mEmirates
sáb. 6/285:15 pmSEA - HAN
1 stop30h 00mEmirates
Deal found 3/26$1,769
This Trip.com deal was found by Cheapflights users on 3/26. 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.
vie. 5/3010:30 amHAN - SEA
1 stop17h 05mKorean Air
vie. 5/3010:59 pmSEA - HAN
2 stops32h 36mKorean Air
Deal found 3/26$1,970
This oojo deal was found by Cheapflights users on 3/26. 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.
jue. 5/86:30 pmHAN - SEA
3 stops43h 25mSingapore Airlines
mié. 5/2110:12 amSEA - HAN
3 stops35h 18mSingapore Airlines
Deal found 3/26$2,289

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 marzo 28, 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

jue. 5/8

11:30 pm-12:30 pm

1 stop27h 00m

Seattle/Tacoma Intl

mié. 5/21

2:15 pm-10:00 pm

1 stop17h 45m

$840

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 5/8

11:35 am-7:30 pm

1 stop21h 55m

Seattle/Tacoma Intl

mar. 5/20

1:10 am-10:35 am

1 stop19h 25m

$881

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 5/29

6:00 pm-7:30 pm

1 stop15h 30m

Seattle/Tacoma Intl

vie. 6/27

12:50 am-4:50 pm

1 stop26h 00m

$904

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

vie. 4/18

11:10 am-4:10 pm

1 stop19h 00m

Seattle/Tacoma Intl

mar. 4/22

1:15 am-4:50 pm

1 stop25h 35m

$936

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 5/8

11:35 pm-9:31 pm

3 stops35h 56m

Seattle/Tacoma Intl

mié. 5/21

5:40 pm-10:15 pm

2 stops38h 35m

$960

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 4/17

1:40 am-7:01 pm

2 stops31h 21m

Seattle/Tacoma Intl

mar. 4/22

1:10 am-10:35 am

1 stop19h 25m

$1,001

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

jue. 5/29

11:10 pm-10:25 pm

2 stops37h 15m

Seattle/Tacoma Intl

sáb. 6/28

9:55 pm-9:35 pm

2 stops33h 40m

$1,031

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

mar. 5/20

2:30 am-7:15 pm

1 stop30h 45m

Seattle/Tacoma Intl

mié. 6/18

11:35 pm-12:45 am

1 stop35h 10m

$1,479

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

mié. 5/28

1:15 am-1:25 pm

1 stop26h 10m

Seattle/Tacoma Intl

sáb. 6/28

5:15 pm-1:15 pm

1 stop30h 00m

$1,769

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

vie. 5/30

10:30 am-1:35 pm

1 stop17h 05m

Seattle/Tacoma Intl

vie. 5/30

10:59 pm-9:35 pm

2 stops32h 36m

$1,970

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 25 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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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, January is the cheapest month in which you can book a flight from Hanoi to Seattle (average of $238). Flying from Hanoi to Seattle in July is currently the most expensive (average of $411). 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 marzo 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Hanoi to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the afternoon.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 marzo 28, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from Hanoi to Seattle. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,169 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,050 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
829 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.

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

    Currently priced at $840, Asiana Airlines will fly you from Hanoi to Seattle and back. In addition to Asiana Airlines, 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 $881 and $904, respectively. These flights start at 19% 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 Korean Air. According to our data, you can fly for as low as $536. Users have also found prices from $562 and $602 on STARLUX 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.

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

    Currently, January is the cheapest month in which you can book a flight from Hanoi to Seattle (average of $238). Flying from Hanoi to Seattle in July is currently the most expensive (average of $411). 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 Hanoi?

Book flights to Hanoi if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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 4 airlines flying from Hanoi to Seattle

Discover the top 4 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$766Average$868FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$851Average$1,392FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$885Average$1,028FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$987Average$1,058FlexibilityNo cancel feeOn-time79%
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