HAN - SEA

C$ 744 Find Cheap Flights from Hanoi to Seattle – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 1,251
Typical prices: C$ 1,244-C$ 1,667
China Airlines
Mon 12/11Thu 15/11
HAN - SEA • 1 stop
Cheapest one-way flights
C$ 744
Typical prices: C$ 722-C$ 947
China Airlines
Thu 11/10
HAN - SEA • 1 stop
Direct 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 C$ 1,269 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 18h 38m (one-way)
Insights
Insights
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Flight Deals
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

Thu, 12 Nov - Sun, 15 Nov
China Airlines Logo
11:35 a.m. - 6:10 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
21h 35m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 a.m. - 4:30 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 20m1 stop Taipei City Taiwan Taoyuan Intl
C$ 1,251China Airlines
Mon, 2 Nov - Sun, 8 Nov
China Airlines Logo
5:30 p.m. - 6:10 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
15h 40m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 a.m. - 10:35 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
19h 25m1 stop Taipei City Taiwan Taoyuan Intl
C$ 1,259China Airlines
Wed, 3 Feb - Sun, 21 Feb
Delta Logo
12:20 p.m. - 1:00 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
39h 40m2 stops Incheon Intl Los Angeles
Delta Logo
7:20 a.m. - 9:45 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
23h 25m2 stops San Francisco Incheon Intl
C$ 1,432Delta
Tue, 2 Feb - Sun, 21 Feb
United Airlines Logo
12:25 a.m. - 9:12 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
35h 47m3 stops Tokyo Narita Los Angeles Denver Intl
United Airlines Logo
6:29 a.m. - 11:05 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 36m2 stops Los Angeles Tokyo Narita
C$ 1,441United Airlines
Thu, 12 Nov - Mon, 16 Nov
Cathay Pacific Logo
11:15 a.m. - 6:41 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
46h 26m2 stops Hong Kong Intl Vancouver Intl
Cathay Pacific Logo
10:25 a.m. - 10:05 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
32h 40m1 stop Hong Kong Intl
C$ 1,478Cathay Pacific
Thu, 12 Nov - Mon, 16 Nov
Cathay Pacific Logo
7:25 p.m. - 6:41 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
38h 16m2 stops Hong Kong Intl Vancouver Intl
Cathay Pacific Logo
11:26 a.m. - 6:15 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
63h 49m2 stops Vancouver Intl Hong Kong Intl
C$ 1,598Cathay Pacific
Tue, 29 Sep - Wed, 16 Dec
Delta Logo
11:10 p.m. - 10:40 a.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
25h 30m1 stop Incheon Intl
Delta Logo
11:00 a.m. - 11:10 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
33h 10m1 stop Incheon Intl
C$ 1,703Delta
Mon, 28 Sep - Wed, 16 Dec
Delta Logo
12:05 p.m. - 2:53 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
40h 48m2 stops Incheon Intl Los Angeles
Delta Logo
11:00 a.m. - 11:10 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
33h 10m1 stop Incheon Intl
C$ 1,711Delta
Mon, 28 Sep - Tue, 15 Dec
China Airlines Logo
6:00 a.m. - 7:15 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
27h 15m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 a.m. - 10:35 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
19h 25m1 stop Taipei City Taiwan Taoyuan Intl
C$ 1,846China Airlines
Mon, 28 Sep - Wed, 16 Dec
Delta Logo
11:10 p.m. - 8:39 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
35h 29m2 stops Incheon Intl Los Angeles
Delta Logo
11:00 a.m. - 9:45 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
19h 45m1 stop Incheon Intl
C$ 1,851Delta
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 C$ 1,251. Prices are typical for this route right now, with typical round-trip fares ranging from C$ 1,244 to C$ 1,667. The lowest price found in the past 5 days was C$ 1,251 on China 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 and 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.

Find deals

Key details for Hanoi to Seattle flights

Low season

April

Cheapest flight

C$ 744
Best time to beat the crowds (30% less expensive on average)
Most popular time to fly (39% more expensive on average)
Flights 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).

  • 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 C$ 1,238 round-trip on average, while Thursday is the most expensive at C$ 1,930, a difference of C$ 691. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Seattle Waterfront. These are among the most viewed places in Seattle on KAYAK.

  • How long does a flight from Hanoi to Seattle take?

    A direct flight from Hanoi to Seattle takes 0h 00m, covering 17,681 km.

  • 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 C$ 1,251 to C$ 12,369. That means the highest observed fare was about 10x 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 higher than usual. Average one-way flight prices are about C$ 930, which is 17% above the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling 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 C$ 5 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 C$ 1,244 to C$ 1,667, with an average of C$ 1,387 over the past 12 months. Anything below C$ 1,244 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 are flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average C$ 1,238 – about C$ 691 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 C$ 971 round-trip in that month – typically C$ 959 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
Vacations in Seattle