₩448,900 Cheap Flights from Seattle (SEA) to Hanoi (HAN)

View ₩448,900 flight on Sat, Mar 21, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Noi Bai Intl. Airport (HAN)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle to Hanoi (SEA-HAN)

Prices were available within the past 7 days and start at ₩448,900 for one-way flights and ₩2,008,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,008,200 Roundtrip, found 1 day ago
₩2,008,200
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,008,200 found 1 day ago
Delta
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,015,900 Roundtrip, found 1 day ago
₩2,015,900
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,015,900 found 1 day ago
EVA Airways
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,031,200 Roundtrip, found 1 day ago
₩2,031,200
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,031,200 found 1 day ago
EVA Airways
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,032,100 Roundtrip, found 1 day ago
₩2,032,100
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,032,100 found 1 day ago
Delta
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,038,900 Roundtrip, found 1 day ago
₩2,038,900
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,038,900 found 1 day ago
Delta
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,039,800 Roundtrip, found 1 day ago
₩2,039,800
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,039,800 found 1 day ago
EVA Airways
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,104,700 Roundtrip, found 1 day ago
₩2,104,700
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,104,700 found 1 day ago
China Airlines
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,190,700 Roundtrip, found 1 day ago
₩2,190,700
Roundtrip
found 1 day ago
Select China Airlines flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,190,700 found 1 day ago
Air Canada
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,243,600 Roundtrip, found 1 day ago
₩2,243,600
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,243,600 found 1 day ago
Japan Airlines
Mon, Oct 6 - Wed, Oct 8
SEA
Seattle
HAN
Hanoi
₩2,245,800 Roundtrip, found 1 day ago
₩2,245,800
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Mon, Oct 6 from Seattle to Hanoi, returning Wed, Oct 8, priced at ₩2,245,800 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Hanoi (HAN)

February is typically the cheapest month to fly

From ₩948,871 - ₩1,525,093 per traveler.

Frequently asked questions

How much is a flight from SEA to HAN?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey from Seattle - Tacoma Intl. Airport (SEA) to Hanoi Intl. Airport was ₩2,008,200. Fares this good don't last forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to HAN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to Noi Bai Intl. Airport (HAN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Hanoi Intl. Airport?
You'll have 11,000 kilometers to cover on the long-haul SeaTac to Hanoi route. Wear comfortable clothes and consider taking a travel pillow with you.
Which airlines fly direct from SEA to Noi Bai Intl. Airport (HAN)?
Direct flights aren't available, so you'll need to make at least one stop between SEA and Hanoi Intl. Airport. Take advantage of the layover time to stretch your legs and grab a coffee.
Are Seattle - Tacoma Intl. Airport (SEA) to Hanoi Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some super cheap airfares from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN) showing up a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines advertise prices so far in advance.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Noi Bai Intl.
Roundtrip price
₩2,008,200
Distance
10931 km

Book with confidence

Book with confidence

Seattle to Hanoi Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Hanoi will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Hanoi.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to HAN flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to HAN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Seattle to Hanoi Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.