S$545 Cheap Flights from Hanoi to Seattle

View S$545 flight on Thu, 20 Nov, 2025Opens 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 to Seattle (HAN-SEA)

Prices were available within the past 7 days and start at S$545 for one-way flights and S$1,044 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Sun, 16 Nov - Sun, 23 Nov
HAN
Hanoi
SEA
Seattle
S$1,044 Return, found 3 days ago
S$1,044
Return
found 3 days ago
Select Philippine Airlines flight, departing Sun, 16 Nov from Hanoi to Seattle, returning Sun, 23 Nov, priced at S$1,044 found 3 days ago
Korean Air
Sun, 16 Nov - Sun, 23 Nov
HAN
Hanoi
SEA
Seattle
S$1,126 Return, found 3 days ago
S$1,126
Return
found 3 days ago
Select Korean Air flight, departing Sun, 16 Nov from Hanoi to Seattle, returning Sun, 23 Nov, priced at S$1,126 found 3 days ago
Korean Air
Thu, 20 Nov - Thu, 27 Nov
HAN
Hanoi
SEA
Seattle
S$1,129 Return, found 1 day ago
S$1,129
Return
found 1 day ago
Select Korean Air flight, departing Thu, 20 Nov from Hanoi to Seattle, returning Thu, 27 Nov, priced at S$1,129 found 1 day ago
STARLUX Airlines
Sun, 16 Nov - Sun, 23 Nov
HAN
Hanoi
SEA
Seattle
S$1,160 Return, found 3 days ago
S$1,160
Return
found 3 days ago
Select STARLUX Airlines flight, departing Sun, 16 Nov from Hanoi to Seattle, returning Sun, 23 Nov, priced at S$1,160 found 3 days ago
United
Thu, 20 Nov - Thu, 27 Nov
HAN
Hanoi
SEA
Seattle
S$1,193 Return, found 1 day ago
S$1,193
Return
found 1 day ago
Select United flight, departing Thu, 20 Nov from Hanoi to Seattle, returning Thu, 27 Nov, priced at S$1,193 found 1 day ago
China Airlines
Sun, 16 Nov - Sun, 23 Nov
HAN
Hanoi
SEA
Seattle
S$1,193 Return, found 3 days ago
S$1,193
Return
found 3 days ago
Select China Airlines flight, departing Sun, 16 Nov from Hanoi to Seattle, returning Sun, 23 Nov, priced at S$1,193 found 3 days ago
Korean Air
Sun, 16 Nov - Sun, 23 Nov
HAN
Hanoi
SEA
Seattle
S$1,220 Return, found 3 days ago
S$1,220
Return
found 3 days ago
Select Korean Air flight, departing Sun, 16 Nov from Hanoi to Seattle, returning Sun, 23 Nov, priced at S$1,220 found 3 days ago
EVA Airways
Thu, 20 Nov - Thu, 27 Nov
HAN
Hanoi
SEA
Seattle
S$1,233 Return, found 1 day ago
S$1,233
Return
found 1 day ago
Select EVA Airways flight, departing Thu, 20 Nov from Hanoi to Seattle, returning Thu, 27 Nov, priced at S$1,233 found 1 day ago
Cathay Pacific
Sun, 16 Nov - Sun, 23 Nov
HAN
Hanoi
SEA
Seattle
S$1,334 Return, found 3 days ago
S$1,334
Return
found 3 days ago
Select Cathay Pacific flight, departing Sun, 16 Nov from Hanoi to Seattle, returning Sun, 23 Nov, priced at S$1,334 found 3 days ago
Delta
Thu, 20 Nov - Thu, 27 Nov
HAN
Hanoi
SEA
Seattle
S$1,346 Return, found 1 day ago
S$1,346
Return
found 1 day ago
Select Delta flight, departing Thu, 20 Nov from Hanoi to Seattle, returning Thu, 27 Nov, priced at S$1,346 found 1 day ago

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

October is typically the cheapest month to fly

From S$952 - S$1,336 per traveller.

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 S$1,044. 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.

Travel information

Origin airport
Noi Bai Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Cathay Pacific, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Qatar Airways, Singapore Airlines, United
Return price
S$1,043
Distance
10931 km

Book with confidence

Perfect flights from Hanoi to Seattle

Your Journey from Hanoi to Seattle

Start your unforgettable journey with Expedia. Our broad selection of flights from Hanoi to Seattle caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Singapore Airlines, Asiana Airlines, STARLUX Airlines, Delta, Korean Air, Philippine Airlines, United, China Airlines, Cathay Pacific, EVA Airways. Our selection of flights from Noi Bai Intl. to Seattle - Tacoma Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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Experience the joy of finding cheap flights from Noi Bai Intl. to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$545 and roundtrip prices from S$1,044*.
 

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Ensure a smooth journey from Hanoi to Seattle with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seattle

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Book Your Flight from Hanoi to Seattle with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Hanoi to Seattle

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