$320 Cheap Flights from Seattle (SEA) to Hanoi (HAN)

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 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Seattle to Hanoi (SEA-HAN)

Prices were available within the past 7 days and start at $320 for one-way flights and $610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Philippine Airlines
Asiana Airlines
Cathay Pacific
Delta
Korean Air
China Airlines
All Nippon Airways
STARLUX Airlines
EVA Airways

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

February is typically the cheapest month to fly

From $676 - $1,086 per traveler.

Alternative airports near Hanoi

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN) cost?
Grab a cheap one-way flight from $320 or cheap return flight from $610 from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN)?
Traveling in February is a great way to save, as it's the cheapest month for flights between SEA and HAN. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN)?
To find the cheapest airline flying from SEA to HAN, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN)?
You'll have to take a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SEA to HAN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN) last-minute?
Holding off until just before your trip to book a flight from SEA to HAN often results in higher prices. Although you may find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of getting a bargain.
Is it cheaper to book a SEA to HAN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to HAN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Just secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Noi Bai Intl. Airport (HAN)?
You can usually cancel or reschedule your SEA to HAN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Noi Bai Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Philippine Airlines, Qatar Airways, STARLUX Airlines, Singapore Airlines, Turkish Airlines, United
Roundtrip price
$610
Distance
6832 mi

Book with confidence

Explore a world of travel with Expedia

*Available to One Key members.