S$537 Cheap Flights from Seattle to Hanoi

View S$537 flight on Wed, 21 Jan, 2026Opens in a new window

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$537 for one-way flights and S$1,054 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

STARLUX Airlines
Sat, 17 Jan - Sat, 24 Jan
SEA
Seattle
HAN
Hanoi
S$1,054 Return, found 3 days ago
S$1,054
Return
found 3 days ago
Select STARLUX Airlines flight, departing Sat, 17 Jan from Seattle to Hanoi, returning Sat, 24 Jan, priced at S$1,054 found 3 days ago
STARLUX Airlines
Mon, 19 Jan - Mon, 26 Jan
SEA
Seattle
HAN
Hanoi
S$1,056 Return, found 1 day ago
S$1,056
Return
found 1 day ago
Select STARLUX Airlines flight, departing Mon, 19 Jan from Seattle to Hanoi, returning Mon, 26 Jan, priced at S$1,056 found 1 day ago
Delta
Mon, 19 Jan - Mon, 26 Jan
SEA
Seattle
HAN
Hanoi
S$1,063 Return, found 1 day ago
S$1,063
Return
found 1 day ago
Select Delta flight, departing Mon, 19 Jan from Seattle to Hanoi, returning Mon, 26 Jan, priced at S$1,063 found 1 day ago
Delta
Mon, 19 Jan - Mon, 26 Jan
SEA
Seattle
HAN
Hanoi
S$1,065 Return, found 1 day ago
S$1,065
Return
found 1 day ago
Select Delta flight, departing Mon, 19 Jan from Seattle to Hanoi, returning Mon, 26 Jan, priced at S$1,065 found 1 day ago
STARLUX Airlines
Tue, 20 Jan - Fri, 30 Jan
SEA
Seattle
HAN
Hanoi
S$1,082 Return, found 1 day ago
S$1,082
Return
found 1 day ago
Select STARLUX Airlines flight, departing Tue, 20 Jan from Seattle to Hanoi, returning Fri, 30 Jan, priced at S$1,082 found 1 day ago
EVA Airways
Mon, 19 Jan - Mon, 26 Jan
SEA
Seattle
HAN
Hanoi
S$1,096 Return, found 1 day ago
S$1,096
Return
found 1 day ago
Select EVA Airways flight, departing Mon, 19 Jan from Seattle to Hanoi, returning Mon, 26 Jan, priced at S$1,096 found 1 day ago
EVA Airways
Wed, 21 Jan - Fri, 30 Jan
SEA
Seattle
HAN
Hanoi
S$1,147 Return, found 1 day ago
S$1,147
Return
found 1 day ago
Select EVA Airways flight, departing Wed, 21 Jan from Seattle to Hanoi, returning Fri, 30 Jan, priced at S$1,147 found 1 day ago
Delta
Mon, 19 Jan - Mon, 26 Jan
SEA
Seattle
HAN
Hanoi
S$1,154 Return, found 1 day ago
S$1,154
Return
found 1 day ago
Select Delta flight, departing Mon, 19 Jan from Seattle to Hanoi, returning Mon, 26 Jan, priced at S$1,154 found 1 day ago
Cathay Pacific
Tue, 20 Jan - Fri, 30 Jan
SEA
Seattle
HAN
Hanoi
S$1,245 Return, found 1 day ago
S$1,245
Return
found 1 day ago
Select Cathay Pacific flight, departing Tue, 20 Jan from Seattle to Hanoi, returning Fri, 30 Jan, priced at S$1,245 found 1 day ago
China Airlines
Mon, 19 Jan - Mon, 26 Jan
SEA
Seattle
HAN
Hanoi
S$1,269 Return, found 1 day ago
S$1,269
Return
found 1 day ago
Select China Airlines flight, departing Mon, 19 Jan from Seattle to Hanoi, returning Mon, 26 Jan, priced at S$1,269 found 1 day ago

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

January is typically the cheapest month to fly

From S$790 - S$1,959 per traveller.

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$1,054. 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.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Cathay Pacific, China Airlines, EVA Airways, Japan Airlines, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines
Return price
S$1,053
Distance
10931 km

Book with confidence

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 Alaska Airlines, Delta, Cathay Pacific, STARLUX Airlines, EVA Airways, China 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$537 and roundtrip prices from S$1,054*.
 

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

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Hanoi with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seattle to Hanoi

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