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

View AU$766 flight on Sat, 5 Dec 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.

Korean Air
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,305 Return, found 22 hours ago
AU$1,305
Return
found 22 hours ago
Select Korean Air flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,305 found 22 hours ago
Korean Air
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,447 Return, found 22 hours ago
AU$1,447
Return
found 22 hours ago
Select Korean Air flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,447 found 22 hours ago
EVA Airways
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,492 Return, found 22 hours ago
AU$1,492
Return
found 22 hours ago
Select EVA Airways flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,492 found 22 hours ago
Delta
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,527 Return, found 22 hours ago
AU$1,527
Return
found 22 hours ago
Select Delta flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,527 found 22 hours ago
China Airlines
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,579 Return, found 22 hours ago
AU$1,579
Return
found 22 hours ago
Select China Airlines flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,579 found 22 hours ago
Qatar Airways
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,661 Return, found 22 hours ago
AU$1,661
Return
found 22 hours ago
Select Qatar Airways flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,661 found 22 hours ago
Qatar Airways
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,677 Return, found 22 hours ago
AU$1,677
Return
found 22 hours ago
Select Qatar Airways flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,677 found 22 hours ago
Delta
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,722 Return, found 22 hours ago
AU$1,722
Return
found 22 hours ago
Select Delta flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,722 found 22 hours ago
United
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,736 Return, found 22 hours ago
AU$1,736
Return
found 22 hours ago
Select United flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,736 found 22 hours ago
Jeju Air
Sat, 26 Sept - Sun, 27 Sept
HAN
Hanoi
SEA
Seattle
AU$1,741 Return, found 22 hours ago
AU$1,741
Return
found 22 hours ago
Select Jeju Air flight, departing Sat, 26 Sept from Hanoi to Seattle, returning Sun, 27 Sept, priced at AU$1,741 found 22 hours ago

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

April is typically the cheapest month to fly

From AU$1,116 - AU$2,303 per traveller.

Frequently asked questions

How much does a flight from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find one-way and return flights from HAN to SEA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when HAN to SEA ticket fares go up or down.
What is the cheapest month to fly from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from HAN to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter HAN to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Scoot is one of the cheapest airlines offering connecting return flights from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with tickets starting from around AU$1315 for flights that can be booked for departure within the next year. These prices are typically for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 67 connecting flights per day from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Tan Son Nhat Intl. (SGN), Taoyuan Intl. (TPE), and Incheon Intl. (ICN).
What is the earliest flight from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 12:00 AM. This service is seasonal, active in April, June, July, August, September, and October, and is operated by airlines such as Vietnam Airlines and Air Canada. An early departure like this can be great for maximising your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Thursday, with around 46 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Vietnam Airlines, Korean Air, and Cathay Pacific. Looking at the week, Thursday has notably more flight options compared to other days, offering you greater flexibility.
What are the most popular departure times for flights from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are between 9am and 12pm. Many major carriers, including Vietnam Airlines, Cathay Pacific and China Airlines, offer flights during this window. Many travellers prefer these times as they allow for a relaxed start to the day before heading to the airport.
How long does it take to fly from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The journey covers a distance of approximately 11,000 kilometres. Flights with one stop typically take around 19 hours 12 minutes, while flights with two or more stops usually take about 22 hours 58 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing, layover times, and factors like wind patterns.
Can you fly business or first class from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class between HAN and SEA. Airlines that offer business class service on this route include:
  • Vietnam Airlines
  • Philippine Airlines
  • Turkish Airlines
  • Emirates
  • Starlux Airlines
  • Vietjet Air
  • Etihad Airways
  • Korean Air
  • Thai Airways International
  • China Eastern Airlines
  • Cathay Pacific
  • Qatar Airways
  • Singapore Airlines
  • China Airlines
  • Japan Airlines
  • Asiana Airlines
  • Alaska Airlines
  • All Nippon Airways
  • EVA Airways
How do I earn miles on a Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Hanoi (HAN)?
If you're planning to travel to Seattle from Noi Bai Intl. (HAN), you can fly directly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like Hong Kong Intl. (HKG), Incheon Intl. (ICN), or Tan Son Nhat Intl. (SGN) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Hanoi (HAN-Noi Bai Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Noi Bai Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air France, Alaska Airlines, American Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Qatar Airways
Roundtrip price
AU$1,305
Distance
10931 km

Book with confidence

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$1,305 to AU$1,741, 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 September.

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.

Your quick guide to flights from Hanoi to Seattle

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*Available to Expedia members.