HAN - SEA

$492 Find Cheap Flights from Hanoi to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$833
Typical prices: $889-$1,191
Singapore Airlines
Wed 10/10Thu 10/18
HAN - SEA • 1 stop
Cheapest one-way
$410
Typical prices: $516-$677
Singapore Airlines
Fri 10/19
HAN - SEA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Hanoi and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 30% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Incheon Intl (ICN)
Cheapest • Avg $907 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 18h 38m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Hanoi to Seattle (HAN-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Hanoi to Seattle

Sat, Oct 10 - Sun, Oct 18
Singapore Airlines Logo
12:40 pm - 8:45 amHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
34h 05m1 stop Singapore Changi
Singapore Airlines Logo
10:15 am - 11:30 amSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
35h 15m1 stop Singapore Changi
$833Singapore Airlines
Sun, Sep 27 - Tue, Feb 16
Multiple Airlines Logo
7:10 pm - 10:05 amHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
28h 55m1 stop Hong Kong Intl
Multiple Airlines Logo
8:40 am - 5:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
41h 50m1 stop Singapore Changi
$884Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
STARLUX Airlines Logo
11:40 am - 4:05 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
18h 25m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 pm - 10:30 amSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
19h 45m1 stop Taipei City Taiwan Taoyuan Intl
$890STARLUX Airlines
Sat, Dec 26 - Sun, Jan 24
China Airlines Logo
5:30 pm - 6:10 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
15h 40m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 4:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
$894China Airlines
Thu, Dec 24 - Sat, Jan 23
China Airlines Logo
5:30 pm - 6:10 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
15h 40m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 4:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
$894China Airlines
Thu, Nov 12 - Sun, Nov 15
China Airlines Logo
11:35 am - 6:10 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
21h 35m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 4:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
$894China Airlines
Thu, Dec 24 - Mon, Jan 18
China Airlines Logo
5:30 pm - 6:10 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
15h 40m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 4:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
$894China Airlines
Sat, Dec 26 - Tue, Jan 19
China Airlines Logo
11:35 am - 6:10 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
21h 35m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 4:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
$894China Airlines
Thu, Dec 24 - Sun, Jan 24
China Airlines Logo
11:35 am - 6:10 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
21h 35m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 4:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
$894China Airlines
Sat, Dec 26 - Sat, Jan 23
China Airlines Logo
5:30 pm - 6:10 pmHAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
15h 40m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 4:30 pmSEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
$894China Airlines
Booking Insights

Price, demand and travel trends for Hanoi to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Hanoi to Seattle with more confidence.

How much is a round-trip flight from Hanoi to Seattle?

Round-trip flights from Hanoi to Seattle start at $833. Prices are below average for this route right now, with typical round-trip fares ranging from $889 to $1,191. The lowest price found in the past 5 days was $833 on Singapore Airlines.

What's the cheapest day of the week to fly from Hanoi to Seattle?

Wednesday is the cheapest day of the week to fly from Hanoi to Seattle, it is 11% cheaper than the average day. Thursday is the most expensive day with flight prices 39% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Hanoi to Seattle flights

Low season

April

Cheapest flight

$410
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly with an average 39% increase in price.
Flight from Hanoi to Seattle

When to book flights from Hanoi to Seattle

Are your dates flexible? Find out the best times to travel from Hanoi to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Hanoi to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Hanoi to Seattle?

    Flights from Hanoi to Seattle usually depart from Hanoi Noibai (HAN) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Hanoi to Seattle?

    Three cabin classes are available on flights from Hanoi to Seattle:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Hanoi to Seattle pass through?

    Connecting flights from Hanoi to Seattle most commonly pass through:

    • Taipei City Taiwan Taoyuan Intl (TPE) - 59% of one-stop connections
    • Incheon Intl (ICN) - 41% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Hanoi to Seattle?

    Yes. Being flexible with your travel dates can save you up to 36% on the Hanoi to Seattle route. Wednesday is the cheapest departure day at $885 round-trip on average, while Thursday is the most expensive at $1,379, a difference of $494. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Hanoi to Seattle?

    A nonstop flight from Hanoi to Seattle takes 0h 00m, covering 6,827 miles.

  • Do I need a passport to fly from Hanoi to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Hanoi to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $833 to $2,756. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Hanoi to Seattle looking right now?

    One-way fares from Hanoi to Seattle are currently lower than usual. Average one-way flight prices are about $486, which is 15% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Hanoi to Seattle?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 18h 38m, compared with 19h 50m via Incheon Intl (ICN).

  • What is the time difference between Hanoi and Seattle?

    Seattle is 14 hours behind Hanoi (Pacific Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Hanoi to Seattle flight?

    Round-trip flights from Hanoi to Seattle range from $889 to $1,191, with an average of $991 over the past 12 months. Anything below $889 counts as a good deal.

Your guide to booking Hanoi to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average $885 - about $494 less than Thursday (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Hanoi to Seattle trip for April. Fares historically average $694 round-trip in that month - typically $685 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Hanoi to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
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