HAN - SEA

C$ 730 Find Cheap Flights from Hanoi to Seattle – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 1,252
Typical prices: C$ 1,291-C$ 1,601
China Airlines
Fri 23/11Wed 11/4
HAN - SEA • 1 stop
Cheapest one-way flights
C$ 730
Typical prices: C$ 717-C$ 914
Alaska Airlines
Mon 26/11
HAN - SEA • 1 stop
Direct flights
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
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 1,275 (round-trip)
Shortest trip • 18h 35m (one-way)
Insights
Insights
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We hope you enjoy your trip to Seattle!
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

Mon, 23 Nov - Sun, 11 Apr
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
1:15 a.m. - 10:30 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
19h 15m1 stop Taipei City Taiwan Taoyuan Intl
C$ 1,252China Airlines
2 days ago
Tue, 24 Nov - Sat, 10 Apr
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
1:15 a.m. - 4:50 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
C$ 1,262China Airlines
2 days ago
Mon, 23 Nov - Thu, 15 Apr
Korean Air Logo
12:20 p.m. - 2:10 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
16h 50m1 stop Incheon Intl
Korean Air Logo
12:50 p.m. - 10:50 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
32h 00m1 stop Incheon Intl
C$ 1,289Korean Air
2 days ago
Tue, 8 Dec - Sat, 27 Feb
United Airlines Logo
12:35 a.m. - 2:23 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
28h 48m2 stops Tokyo Narita San Francisco
United Airlines Logo
7:42 p.m. - 11:05 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
36h 23m2 stops San Francisco Tokyo Narita
C$ 1,296United Airlines
6 hours ago
Tue, 24 Nov - Sat, 10 Apr
STARLUX Airlines Logo
1:05 p.m. - 3:05 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
17h 00m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
6:57 p.m. - 10:10 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 13m2 stops Phoenix Sky Harbor Intl Taipei City Taiwan Taoyuan Intl
C$ 1,421STARLUX Airlines
2 days ago
Fri, 30 Apr - Fri, 14 May
Delta Logo
11:10 p.m. - 2:55 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
29h 45m1 stop Incheon Intl
Delta Logo
7:20 a.m. - 10:50 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
37h 30m2 stops Los Angeles Incheon Intl
C$ 1,423Delta
1 day ago
Mon, 23 Nov - Sat, 10 Apr
Delta Logo
12:20 p.m. - 2:10 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
16h 50m1 stop Incheon Intl
Delta Logo
7:20 a.m. - 9:35 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
24h 15m2 stops Los Angeles Incheon Intl
C$ 1,428Delta
2 days ago
Fri, 30 Apr - Fri, 14 May
Delta Logo
11:10 p.m. - 8:31 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
35h 21m2 stops Incheon Intl Los Angeles
Delta Logo
7:20 a.m. - 10:50 a.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
37h 30m2 stops Los Angeles Incheon Intl
C$ 1,431Delta
1 day ago
Tue, 2 Feb - Sun, 14 Feb
United Airlines Logo
12:35 a.m. - 9:17 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
35h 42m3 stops Tokyo Narita Los Angeles Denver Intl
United Airlines Logo
7:00 a.m. - 11:15 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
25h 15m2 stops San Francisco Tokyo Narita
C$ 1,437United Airlines
1 day ago
Tue, 24 Nov - Wed, 14 Apr
Delta Logo
11:05 p.m. - 3:10 p.m.HAN  Hanoi Noibai-SEA Seattle/Tacoma Intl
31h 05m2 stops Incheon Intl Los Angeles
Delta Logo
7:20 a.m. - 9:35 p.m.SEA  Seattle/Tacoma Intl-HAN Hanoi Noibai
24h 15m2 stops San Francisco Incheon Intl
C$ 1,441Delta
2 days ago
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 with more confidence.

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

Round-trip flights from Hanoi to Seattle typically range from C$ 1,291 to C$ 1,601. The lowest price found in the past 5 days was C$ 1,252, on China Airlines.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Hanoi to Seattle. It's 14% cheaper than the average day, while Thursday is the most expensive, with prices 34% higher.

Key details for Hanoi to Seattle flights

Low season

April

Cheapest flight

C$ 730
Beat the crowds with an average 84% drop in traveller numbers.
The most popular month to fly with an average 68% increase in traveller numbers.
One-way 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 answers about this route, including flight times, airports, airlines, and booking tips.

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

    Only Economy Class is available on flights from Hanoi to Seattle.

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

    A direct flight from Hanoi to Seattle takes 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.

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

    Round-trip flights from Hanoi to Seattle range from C$ 1,291 to C$ 1,601, with an average of C$ 1,437 over the past 12 months. Anything below C$ 1,291 counts as a good deal.

  • 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$ 1,252 to C$ 5,849. That means the highest observed fare was about 5x 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 in line with typical prices for this route. Average one-way fares are about C$ 768.

  • 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 averaging C$ 86 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • 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) – 63% of one-stop connections
    • Incheon Intl (ICN) – 38% of one-stop connections

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

    Yes. Flexible dates can save you up to 36% on flights from Hanoi to Seattle. Wednesday is the cheapest departure day at C$ 1,237 round-trip on average, while Thursday is the most expensive at C$ 1,927, a difference of C$ 690.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • 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 35m, compared with 19h 50m via Incheon Intl (ICN).

  • What is the time difference between Hanoi and Seattle?

    Seattle is 15 hours behind Hanoi (Pacific Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in Seattle?

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

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 and avoid flying on Thursday. On this route, Wednesday flights average C$ 1,237, about C$ 690 less than Thursday fares (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Hanoi to Seattle trip for February. Fares historically average C$ 1,059 round-trip in that month – typically C$ 868 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.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • 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