C$589 Cheap Flights from Hanoi to Seattle

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Flight deals from Hanoi to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Hanoi to Seattle? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Hanoi to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hanoi to Seattle flights are currently cheapest in March.

Hanoi to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$589
Cheapest month to flyMarch

Finding cheap flights from Hanoi to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Hanoi to Seattle is C$992. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Hanoi to Seattle. But we found flights with one or more stops from C$992.
As of February 2026, there are no flights flying from Hanoi to Seattle.
The cheapest month to fly from Hanoi to Seattle is usually April.
If you're flying from Hanoi Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$992.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hanoi Airport to Seattle on Monday, April 6, 2026.
No airlines currently offer direct flights between Hanoi Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 4°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Asiana Airlines offers the cheapest flight tickets to Seattle.

Flying from Noi Bai International Airport (HAN) to Seattle: what you need to know

  • Seattle is 14 hours behind Hanoi, where Noi Bai International Airport is located. Seattle operates on the UTC-7 timezone.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your flight from HAN to Seattle.

  • During popular months like July, it's wise to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during a peak period in general.

  • We make it a breeze to plan a flight from HAN to Seattle with a stopover. To see all the options, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Major stopovers include:

    • Taiwan Taoyuan International Airport (TPE)

    • Haneda Airport (HND)

    • Incheon International Airport (ICN)

  • To enter United States for tourism purposes, you will require an embassy visa if you have a passport from Vietnam. However, visa rules can change and you may need other documents depending on the duration and purpose of your visit. Always check the most up-to-date guidelines before you book your cheap ticket from Noi Bai International Airport to Seattle.

  • Travelling from central Hanoi to HAN takes around 1 hour and 56 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 26 kilometres in 35 minutes or so, depending on traffic.

  • Have an early flight from Noi Bai International Airport to Seattle? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels near HAN:

How to find the cheapest flights from Noi Bai International Airport (HAN) to Seattle

  • C$589 is the lowest price for a one-way ticket from Noi Bai International Airport to Seattle. A return flight starts at C$992. These prices may change based on availability and demand.

  • To find cheap tickets from HAN to Seattle, book in advance. Airlines usually offer lower fares when flights are first released.

  • If you're willing to be flexible with your trip dates, make the most of the 'Whole month' search tool. It'll find the lowest price in every month when looking for your ticket from Noi Bai International Airport to Seattle.

  • Create a Price Alert for cheap tickets from HAN to Seattle. You don't need to check back in every day to see whether fares have dropped. We'll notify you when there's a change in price.

  • Make the most of the filters to find your ideal journey. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Noi Bai International Airport to Seattle, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 18 minutes by car. It's approximately 23 kilometres away.

  • It'll take around 54 minutes if you're travelling on public transport.

  • If you're arriving on a late flight from Noi Bai International Airport to Seattle, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these hotels near SEA:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the most popular month for flights from Noi Bai International Airport to Seattle. To avoid the crowds, travel to Seattle in May when it's quieter.

  • Book your flight from Noi Bai International Airport to Seattle for August to experience the city during its warmest month. Expect temperatures to range from 12ºC to 28ºC.

  • If you like cooler conditions, search for a cheap flight from HAN to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Seattle right here. Browse these options once you've locked in your flight from Noi Bai International Airport to Seattle:

  • All great journeys should include some sightseeing. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are attractions you won't want to skip in Seattle.

Complete your Seattle trip with a car rental

  • Choose one of our car rentals in Seattle and see the sights on your own terms. Easily compare options in one place to find your ideal ride once you've booked your hotel and cheap flights from Noi Bai International Airport to Seattle.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.