Cheap Flights from Hanoi (HAN) to Seattle (SEA)

View AU$833 flight on Mon, 9 Mar. 2026Opens in a new window

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

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Cheap Flights from Hanoi (HAN) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 20 Mar. - Fri, 10 Apr.
HAN
Hanoi
SEA
Seattle
AU$1,271 Return, just found
AU$1,271
Return
just found
Select Delta flight, departing Fri, 20 Mar. from Hanoi to Seattle, returning Fri, 10 Apr., priced at AU$1,271 just found
Korean Air
Mon, 9 Mar. - Mon, 23 Mar.
HAN
Hanoi
SEA
Seattle
AU$1,273 Return, found 2 days ago
AU$1,273
Return
found 2 days ago
Select Korean Air flight, departing Mon, 9 Mar. from Hanoi to Seattle, returning Mon, 23 Mar., priced at AU$1,273 found 2 days ago
Korean Air
Fri, 20 Mar. - Fri, 10 Apr.
HAN
Hanoi
SEA
Seattle
AU$1,276 Return, just found
AU$1,276
Return
just found
Select Korean Air flight, departing Fri, 20 Mar. from Hanoi to Seattle, returning Fri, 10 Apr., priced at AU$1,276 just found
China Airlines
Mon, 9 Mar. - Mon, 23 Mar.
HAN
Hanoi
SEA
Seattle
AU$1,305 Return, found 2 days ago
AU$1,305
Return
found 2 days ago
Select China Airlines flight, departing Mon, 9 Mar. from Hanoi to Seattle, returning Mon, 23 Mar., priced at AU$1,305 found 2 days ago
Asiana Airlines
Mon, 9 Mar. - Mon, 23 Mar.
HAN
Hanoi
SEA
Seattle
AU$1,351 Return, found 2 days ago
AU$1,351
Return
found 2 days ago
Select Asiana Airlines flight, departing Mon, 9 Mar. from Hanoi to Seattle, returning Mon, 23 Mar., priced at AU$1,351 found 2 days ago
Asiana Airlines
Fri, 20 Mar. - Sat, 11 Apr.
HAN
Hanoi
SEA
Seattle
AU$1,354 Return, found 1 day ago
AU$1,354
Return
found 1 day ago
Select Asiana Airlines flight, departing Fri, 20 Mar. from Hanoi to Seattle, returning Sat, 11 Apr., priced at AU$1,354 found 1 day ago
Delta
Mon, 9 Mar. - Mon, 23 Mar.
HAN
Hanoi
SEA
Seattle
AU$1,384 Return, found 2 days ago
AU$1,384
Return
found 2 days ago
Select Delta flight, departing Mon, 9 Mar. from Hanoi to Seattle, returning Mon, 23 Mar., priced at AU$1,384 found 2 days ago
EVA Airways
Thu, 23 Apr. - Thu, 30 Apr.
HAN
Hanoi
SEA
Seattle
AU$1,449 Return, found 2 days ago
AU$1,449
Return
found 2 days ago
Select EVA Airways flight, departing Thu, 23 Apr. from Hanoi to Seattle, returning Thu, 30 Apr., priced at AU$1,449 found 2 days ago
Singapore Airlines
Fri, 20 Mar. - Fri, 10 Apr.
HAN
Hanoi
SEA
Seattle
AU$1,463 Return, just found
AU$1,463
Return
just found
Select Singapore Airlines flight, departing Fri, 20 Mar. from Hanoi to Seattle, returning Fri, 10 Apr., priced at AU$1,463 just found
Cathay Pacific
Mon, 9 Mar. - Mon, 23 Mar.
HAN
Hanoi
SEA
Seattle
AU$1,543 Return, found 2 days ago
AU$1,543
Return
found 2 days ago
Select Cathay Pacific flight, departing Mon, 9 Mar. from Hanoi to Seattle, returning Mon, 23 Mar., priced at AU$1,543 found 2 days ago

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

October is typically the cheapest month to fly

From AU$1,143 - AU$1,577 per traveller.

Graph displaying average flight prices per month

Flight from Hanoi to Seattle route information
Origin airport
Noi Bai Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, American Airlines, Asiana Airlines, Cathay Pacific, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
AU$1,270
Distance
10931 km

Your quick guide to flights from Hanoi to Seattle

Pick up great flights from Hanoi to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Hanoi to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Hanoi to Seattle that take around hours.

Find cheap flights from Hanoi to Seattle

From the great flight deals with prices currently ranging from AU$1,271 to AU$1,543, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Hanoi to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in March.

Reasons to book your flight from Hanoi to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Hanoi to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Hanoi Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
Start packing your bags, because round-trip flights from Hanoi Intl. Airport to SEA start from AU$1,271. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Noi Bai Intl. Airport (HAN) to Seattle - Tacoma Intl. Airport (SEA)?
Every 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 HAN to Seattle - Tacoma Intl. Airport (SEA) 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 HAN to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from HAN to Sea-Tac Airport?
The distance is around 11 000 kilometres, so fill your carry-on luggage with all the things you need to make the long journey comfortable. Wondering what to take on board your Hanoi to SeaTac flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from HAN to Sea-Tac Airport?
At the moment, no airlines offer direct flights from Noi Bai Intl. Airport (HAN) to Seattle - Tacoma Intl. Airport (SEA). You'll need to book a flight with one or more stops. To score the best connections and price, lock in your fare well ahead of time.
Are HAN to SEA flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Noi Bai Intl. Airport (HAN) to Sea-Tac Airport are available up to a year before departure on Expedia. And although you may score great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials.

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