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Cheap Flights from Seattle to Hanoi

Compare Seattle to Hanoi flight deals

Find the cheapest month or even day of the year to fly to Hanoi

Book the best Hanoi fare with no extra fees

Flight deals from Seattle to Hanoi Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Hanoi Airport? If you want to travel next month, return fares start from R 18,559. Find the lowest prices on one-way and return tickets right here.
Hanoi.R 5,453 per passenger.Departing Tue, 1 Sep.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 1 Sep, arriving in Hanoi.Price includes taxes and charges.From R 5,453, select.
Hanoi.R 5,453 per passenger.Departing Fri, 24 Apr.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Fri, 24 Apr, arriving in Hanoi.Price includes taxes and charges.From R 5,453, select.
Hanoi.R 5,460 per passenger.Departing Tue, 25 Aug.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 25 Aug, arriving in Hanoi.Price includes taxes and charges.From R 5,460, select.
Hanoi.R 5,467 per passenger.Departing Mon, 5 Oct.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Mon, 5 Oct, arriving in Hanoi.Price includes taxes and charges.From R 5,467, select.
Hanoi.R 5,467 per passenger.Departing Tue, 5 May.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 5 May, arriving in Hanoi.Price includes taxes and charges.From R 5,467, select.
Hanoi.R 5,480 per passenger.Departing Wed, 11 Nov.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 11 Nov, arriving in Hanoi.Price includes taxes and charges.From R 5,480, select.
Hanoi.R 5,569 per passenger.Departing Thu, 3 Dec.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Seattle / Tacoma International on Thu, 3 Dec, arriving in Hanoi.Price includes taxes and charges.From R 5,569, select.
Hanoi.R 5,603 per passenger.Departing Mon, 4 Jan.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Mon, 4 Jan, arriving in Hanoi.Price includes taxes and charges.From R 5,603, select.
Hanoi.R 8,275 per passenger.Departing Fri, 10 Jul.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Fri, 10 Jul, arriving in Hanoi.Price includes taxes and charges.From R 8,275, select.
Hanoi.R 11,625 per passenger.Departing Sun, 29 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 29 Mar, arriving in Hanoi.Price includes taxes and charges.From R 11,625, select.
Hanoi.R 14,771 per passenger.Departing Mon, 15 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 15 Jun, arriving in Hanoi.Price includes taxes and charges.From R 14,771, select.

Find the cheapest month to fly from Seattle to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Hanoi flights are currently cheapest in April.
Mar
from R 11,625
Apr
from R 5,453
May
from R 5,467
Jun
from R 14,771
Jul
from R 8,275
Aug
from R 5,460
Sep
from R 5,453
Oct
from R 5,467
Nov
from R 5,480
Dec
from R 5,569
Jan
from R 5,603
Feb
Find prices

Seattle to Hanoi: Alternative routes

Compare routes from Seattle to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

Hanoi

21km from central Hanoi
ClosestCheapest
from R 5,453
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Seattle to Hanoi: Flight information

The things to know before you go.
Cheapest flight foundR 5,453
Cheapest month to flyApril

Finding cheap flights from Seattle to Hanoi: Frequently asked questions

The best price we found for a return flight from Seattle to Hanoi is R 10,495. 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 Seattle to Hanoi. But we found flights with one stop from R 10,495.
As of March 2026, there are no flights flying from Seattle to Hanoi.
The cheapest month to fly from Seattle to Hanoi is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Hanoi Airport on Wednesday, 11 November 2026.
No airlines currently offer direct flights between Seattle and Hanoi Airport. 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 Hanoi 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 Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Hanoi is Asiana Airlines .

Travelling from Seattle to Hanoi Noi Bai International Airport (HAN): What you need to know

  • Hanoi is 15 hours ahead of Seattle. Hanoi Noi Bai International Airport is located in Hanoi, which operates on the UTC+7 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your flight from Seattle to HAN.

  • With more people on the move during busy months like July, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will allow for extra wait times. Remember things also get busy during major holidays like July Fourth.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • A stopover is the perfect opportunity to take a break from travelling and perhaps even explore another city. When searching for cheap flights from Seattle to HAN leaving from Seattle-Tacoma International Airport (SEA), uncheck the 'Direct flights only' box to find all potential stops. Your journey might pause in:

    • Seoul Incheon International Airport (ICN)

    • Taiwan Taoyuan International Airport (TPE)

    • Tokyo Narita International Airport (NRT)

  • SEA is about 23 kilometres from central Seattle. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the travel time to be around 35 minutes.

  • Want a leisurely start to your holiday? Stay near Seattle-Tacoma International Airport. Whether you're catching an early flight from Seattle to Hanoi Noi Bai International Airport or just don't want to be rushed, these hotels offer the perfect solution:

  • Seattle-Tacoma International Airport has a solid on-time performance, so flight disruptions are less likely. Departures from SEA touch down on schedule 80% of the time.

Seattle Paine Field International Airport (PAE)

  • PAE is around 40 kilometres from central Seattle. It'll take 40 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 1 hour 30 minutes.

  • Got a crack-of-dawn departure? You might like to check in to one of these accommodation options near Seattle Paine Field International Airport the day before your Seattle to HAN flight:

  • Flights from Seattle Paine Field International Airport have a proven record for punctuality, with 80% of them touching down right on cue.

About Hanoi Noi Bai International Airport (HAN)

Getting from Hanoi Noi Bai International Airport (HAN) to central Hanoi

  • Central Hanoi is around 31 kilometres from Hanoi Noi Bai International Airport and takes about 40 minutes to reach by car. See what your options are for getting into town, whether that's with a taxi, car hire or ride-share.

  • Travelling on public transport takes around 1 hour.

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

  • The cheapest price we've found for a one-way ticket from Seattle to Hanoi Noi Bai International Airport is R 5,453. For a return flight on this route, the best price is R 10,495. Depending on when you want to go and the availability, these fares can change.

  • To find cheap flights from Seattle to HAN, book ahead. Airlines typically offer the most competitive fares when flights are first released.

  • Affordable Seattle to Hanoi Noi Bai International Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' search tool to compare fares across each month and then choose the cheapest day.

  • Finding a cheap plane ticket from Seattle to HAN is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Seattle to Hanoi Noi Bai International Airport.

The best time to fly from Seattle to Hanoi Noi Bai International Airport (HAN)

  • December is the quietest month for flights from Seattle to Hanoi Noi Bai International Airport (HAN), while February is the most popular. Find the ideal time to go to Hanoi based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your Seattle to HAN plane ticket, consider the weather you're most comfortable in. June is the warmest month in Hanoi, with temperatures ranging from 25ºC (77ºF) to 36ºC (97ºF).

  • Look for cheap tickets from Seattle to Hanoi Noi Bai International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 10ºC (50ºF) and 23ºC (73ºF).

More about Hanoi

  • Start your Hanoi trip right by choosing the perfect place to stay. Once you've booked your flight from Seattle to Hanoi Noi Bai International Airport, browse our selection of hotels including:

  • There are so many things to do and see in this city, it can be hard to figure out where to begin. Ho Chi Minh Mausoleum, Thang Long Water Puppet Theatre and Hoan Kiem Lake Walking Street are top sights which should feature on any good Hanoi itinerary.

Explore more of Vietnam

  • If you're interested in discovering another corner of Vietnam, head for Móng Cái, about 225 kilometres east of Hanoi. Baĩ biển Trà Cổ, Tra Co beach and Biển Trà cổ, Móng Cái, Quảng Ninh are key reasons to visit.

Plan the rest of your trip from Seattle to Hanoi

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