How does KAYAK find such low prices on flights from Washington to Hanoi?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Hanoi. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Hanoi?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Hanoi?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hanoi with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Hanoi?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hanoi from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$324 CHEAP FLIGHTS from Washington to Hanoi

HAN

KAYAK searches hundreds of travel sites at once for deals on flights to Hanoi

...and more

Travelers love KAYAK

41 299 237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$653

Overall average: $975

Asiana Airlines

Sun 5/3Tue 5/12

SEA - HAN • 1 stop

Cheapest one-way

$324

Typical prices: $387-$554

Philippine Airlines

Thu 2/19

SEA - HAN • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Hanoi!

Flight Deals

Cheap Flights from Washington to Hanoi

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Hanoi that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Hanoi

Sun, May 3 - Tue, May 12

12:10 am - 10:00 pm

SEA

HAN

31h 50m1 stop

1:25 pm - 2:55 pm

HAN

SEA

15h 30m1 stop

$653Asiana Airlines

Sat, Feb 28 - Thu, Mar 19

12:10 am - 10:25 pm

SEA

HAN

31h 15m1 stop

11:50 pm - 2:55 pm

HAN

SEA

29h 05m1 stop

$656Asiana Airlines

Mon, Jan 19 - Sun, Jan 25

11:00 am - 11:10 am

SEA

HAN

33h 10m1 stop

11:05 pm - 9:00 am

HAN

SEA

24h 55m1 stop

$669Korean Air

Wed, Mar 4 - Thu, Mar 12

12:10 am - 12:10 pm

SEA

HAN

21h 00m1 stop

11:50 pm - 2:55 pm

HAN

SEA

29h 05m1 stop

$679Asiana Airlines

Sun, Jan 18 - Tue, Jan 27

11:00 am - 11:10 am

SEA

HAN

33h 10m1 stop

12:20 pm - 9:00 am

HAN

SEA

35h 40m1 stop

$687Korean Air

Wed, Jan 21 - Sun, Feb 1

5:35 am - 11:05 pm

PDX

HAN

26h 30m2 stops

12:25 am - 2:46 pm

HAN

PDX

29h 21m2 stops

$715ANA

Thu, Jan 29 - Wed, Feb 4

5:35 am - 11:05 pm

PDX

HAN

26h 30m2 stops

12:25 am - 2:46 pm

HAN

PDX

29h 21m2 stops

$740ANA

Mon, Jan 12 - Mon, Jan 19

6:01 am - 10:30 pm

PDX

HAN

25h 29m2 stops

11:55 pm - 12:38 pm

HAN

PDX

27h 43m2 stops

$792Japan Airlines

Sun, Mar 8 - Wed, Mar 25

5:19 am - 11:10 am

PDX

HAN

39h 51m2 stops

11:05 pm - 8:59 pm

HAN

PDX

35h 54m2 stops

$800Delta

Fri, Mar 6 - Wed, Mar 25

7:10 am - 9:45 pm

PDX

HAN

23h 35m2 stops

11:05 pm - 11:59 pm

HAN

PDX

38h 54m2 stops

$848Delta

Useful Info

Low season	June
High season	March
Cheapest flight	$324

Best time to beat the crowds but there is an average 49% increase in price.

Most popular time to fly and prices are also 17% lower on average.

Flight from Seattle to Hanoi

How does KAYAK find such low prices on flights from Washington to Hanoi?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Hanoi.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Hanoi?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Hanoi?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hanoi with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Hanoi?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hanoi from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Hanoi

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Hanoi

Hanoi (HAN)

HAN

$305 Find Cheap Flights from Washington to Hanoi

KAYAK searches hundreds of travel sites at once for deals on flights to Hanoi

Everything you should know

Cheap Flights from Washington to Hanoi

Recent round-trip flight deals from Washington to Hanoi

Recent one-way flight deals from Washington to Hanoi

Recent last minute flight deals from Washington to Hanoi

Good to know

FAQs for booking flights from Washington to Hanoi

How does KAYAK find such low prices on flights from Washington to Hanoi?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Hanoi.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Hanoi?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hanoi from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Hanoi?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hanoi with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Hanoi?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hanoi from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Hanoi

Information on the airport you'll fly into in Hanoi

Cabin class types available on flights to Washington

Complete your trip to Hanoi with a hotel stay or car rental

Find direct flights for Hanoi

Flights to other popular destinations

Flights from domestic origins to Hanoi

Choose which airport to fly into in Hanoi

Find deals for your return flight