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S$587 Cheap Flights from Seattle to Hanoi

View S$587 flight on Sun, 27 Sept, 2026Opens in a new window

Flight 1

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

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Cheap Flights from Seattle to Hanoi (SEA-HAN)

Prices were available within the past 7 days and start at S$587 for one-way flights and S$1,178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Tue, 22 Sept - Tue, 29 Sept
SEA
Seattle
HAN
Hanoi
S$1,178 Return, found 3 days ago
S$1,178
Return
found 3 days ago
Select Asiana Airlines flight, departing Tue, 22 Sept from Seattle to Hanoi, returning Tue, 29 Sept, priced at S$1,178 found 3 days ago
Cathay Pacific
Tue, 22 Sept - Tue, 29 Sept
SEA
Seattle
HAN
Hanoi
S$1,214 Return, found 3 days ago
S$1,214
Return
found 3 days ago
Select Cathay Pacific flight, departing Tue, 22 Sept from Seattle to Hanoi, returning Tue, 29 Sept, priced at S$1,214 found 3 days ago
Asiana Airlines
Fri, 12 Mar - Fri, 19 Mar
SEA
Seattle
HAN
Hanoi
S$1,242 Return, found 3 days ago
S$1,242
Return
found 3 days ago
Select Asiana Airlines flight, departing Fri, 12 Mar from Seattle to Hanoi, returning Fri, 19 Mar, priced at S$1,242 found 3 days ago
Singapore Airlines
Fri, 12 Mar - Fri, 19 Mar
SEA
Seattle
HAN
Hanoi
S$1,244 Return, found 3 days ago
S$1,244
Return
found 3 days ago
Select Singapore Airlines flight, departing Fri, 12 Mar from Seattle to Hanoi, returning Fri, 19 Mar, priced at S$1,244 found 3 days ago
Qatar Airways
Tue, 22 Sept - Tue, 29 Sept
SEA
Seattle
HAN
Hanoi
S$1,274 Return, found 3 days ago
S$1,274
Return
found 3 days ago
Select Qatar Airways flight, departing Tue, 22 Sept from Seattle to Hanoi, returning Tue, 29 Sept, priced at S$1,274 found 3 days ago
Korean Air
Tue, 22 Sept - Tue, 29 Sept
SEA
Seattle
HAN
Hanoi
S$1,292 Return, found 3 days ago
S$1,292
Return
found 3 days ago
Select Korean Air flight, departing Tue, 22 Sept from Seattle to Hanoi, returning Tue, 29 Sept, priced at S$1,292 found 3 days ago
Korean Air
Tue, 22 Sept - Tue, 29 Sept
SEA
Seattle
HAN
Hanoi
S$1,294 Return, found 3 days ago
S$1,294
Return
found 3 days ago
Select Korean Air flight, departing Tue, 22 Sept from Seattle to Hanoi, returning Tue, 29 Sept, priced at S$1,294 found 3 days ago
China Airlines
Tue, 22 Sept - Tue, 29 Sept
SEA
Seattle
HAN
Hanoi
S$1,298 Return, found 3 days ago
S$1,298
Return
found 3 days ago
Select China Airlines flight, departing Tue, 22 Sept from Seattle to Hanoi, returning Tue, 29 Sept, priced at S$1,298 found 3 days ago
Korean Air
Fri, 12 Mar - Fri, 19 Mar
SEA
Seattle
HAN
Hanoi
S$1,344 Return, found 3 days ago
S$1,344
Return
found 3 days ago
Select Korean Air flight, departing Fri, 12 Mar from Seattle to Hanoi, returning Fri, 19 Mar, priced at S$1,344 found 3 days ago
EVA Airways
Tue, 22 Sept - Tue, 29 Sept
SEA
Seattle
HAN
Hanoi
S$1,374 Return, found 3 days ago
S$1,374
Return
found 3 days ago
Select EVA Airways flight, departing Tue, 22 Sept from Seattle to Hanoi, returning Tue, 29 Sept, priced at S$1,374 found 3 days ago

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 S$1,178. 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 kilometres 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

Origin airport
Seattle - Tacoma Intl.
Destination airport
Noi Bai Intl.
Return price
S$1,178
Distance
10931 km

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Perfect flights from Seattle to Hanoi

Your Journey from Seattle to Hanoi

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Hanoi 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 Delta, Asiana Airlines, Korean Air, Japan Airlines, Philippine Airlines, Qatar Airways, China Airlines, Cathay Pacific, EVA Airways, Singapore Airlines. Our selection of flights from Seattle - Tacoma Intl. to Noi Bai 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.
 

Maximizing Value with Seattle to Hanoi Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Noi Bai Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$587 and roundtrip prices from S$1,178*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Hanoi 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 Hanoi

Picture yourself stepping off the plane in Hanoi and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Hanoi Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Hanoi.
 

Beyond the Flight – Exploring Hanoi

With Expedia, your adventure extends beyond the flight. Explore Hanoi at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Hanoi with Confidence

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

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