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$493+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$833
(SmartFares)

One-way from

$493
(FlightHub)

Popular in

July

Cheapest in

September

Average price

$1,358
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. 10% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This SmartFares deal was found by Cheapflights users on 7/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/162:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
Sun 8/2411:35 pmSEA - HAN
1 stop20h 50mPhilippine Airlines
Deal found 7/3$833
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1511:35 pmHAN - SEA
1 stop28h 50mUnited Airlines
Fri 7/257:00 amSEA - HAN
2 stops25h 15mUnited Airlines
Deal found 7/2$909
This Asiana Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/111:30 pmHAN - SEA
1 stop27h 15mAsiana Airlines
Mon 8/182:30 pmSEA - HAN
1 stop31h 45mAsiana Airlines
Deal found 7/1$911
This Gurufare deal was found by Cheapflights users on 7/1. 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.
Sat 8/1612:05 pmHAN - SEA
1 stop21h 45mEVA Air
Fri 8/222:10 amSEA - HAN
1 stop24h 40mEVA Air
Deal found 7/1$947
This oojo deal was found by Cheapflights users on 7/2. 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 7/1511:35 amHAN - SEA
1 stop22h 10mChina Airlines
Thu 7/241:40 amSEA - HAN
1 stop25h 10mChina Airlines
Deal found 7/2$954
This Trip.com deal was found by Cheapflights users on 6/30. 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.
Fri 8/159:35 amHAN - SEA
2 stops23h 40mMultiple Airlines
Fri 8/228:08 amSEA - HAN
2 stops23h 42mMultiple Airlines
Deal found 6/30$958
This STARLUX Airlines deal was found by Cheapflights users on 7/3. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/111:10 amHAN - SEA
1 stop19h 25mSTARLUX Airlines
Sun 8/171:15 amSEA - HAN
1 stop18h 55mSTARLUX Airlines
Deal found 7/3$1,206

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 July 3, 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

Sat 8/16

2:30 am-7:15 pm

1 stop30h 45m

Seattle/Tacoma Intl

Sun 8/24

11:35 pm-10:25 am

1 stop20h 50m

$833

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 7/15

11:35 pm-2:25 pm

1 stop28h 50m

Seattle/Tacoma Intl

Fri 7/25

7:00 am-10:15 pm

2 stops25h 15m

$909

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 8/1

11:30 pm-12:45 pm

1 stop27h 15m

Seattle/Tacoma Intl

Mon 8/18

2:30 pm-12:15 pm

1 stop31h 45m

$911

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Sat 8/16

12:05 pm-7:50 pm

1 stop21h 45m

Seattle/Tacoma Intl

Fri 8/22

2:10 am-4:50 pm

1 stop24h 40m

$947

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 7/15

11:35 am-7:45 pm

1 stop22h 10m

Seattle/Tacoma Intl

Thu 7/24

1:40 am-4:50 pm

1 stop25h 10m

$954

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 8/15

9:35 am-7:15 pm

2 stops23h 40m

Seattle/Tacoma Intl

Fri 8/22

8:08 am-9:50 pm

2 stops23h 42m

$958

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Fri 8/1

11:10 am-4:35 pm

1 stop19h 25m

Seattle/Tacoma Intl

Sun 8/17

1:15 am-10:10 am

1 stop18h 55m

$1,206

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 12/2

11:30 am-3:05 pm

1 stop18h 35m

$493

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Wed 12/3

9:30 am-3:05 pm

2 stops44h 35m

$500

HanoiSeattle

HAN - SEA

HANSEA

Hanoi Noibai

Tue 12/2

2:50 am-7:35 pm

1 stop31h 45m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 19 results
1
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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 $390). 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 July 3, 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.

How much does it cost to fly round-trip from Hanoi to Seattle?

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 July 3, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, and ANA 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.
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,215 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.4
Very good
893 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,101 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
744 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 $833, Philippine Airlines will fly you from Hanoi to Seattle and back. In addition to Philippine Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Asiana Airlines - these airlines can fly you to your destination from $909 and $911, respectively. These flights start at 13% 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 $493. Users have also found prices from $518 and $525 on Philippine Airlines and China 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.

  • 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 $390). 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
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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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Da Nang to Seattle 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$769Average$1,105FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$797Average$898FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$885Average$982FlexibilityNo cancel feeOn-time74%

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