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>

$358 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 22% 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.

Flights 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Hanoi

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington to Hanoi.

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

11:35 pm - 12:45 amSEA-HAN

35h 10m1 stop

2:30 am - 7:15 pmHAN-SEA

30h 45m1 stop

$692Philippine Airlines

Find Deal

Wed, Sep 24 - Tue, Oct 21

11:35 pm - 1:30 amSEA-HAN

35h 55m1 stop

2:30 am - 7:15 pmHAN-SEA

30h 45m1 stop

$709Philippine Airlines

Find Deal

Sun, Sep 21 - Tue, Oct 21

1:30 pm - 9:50 pmSEA-HAN

18h 20m1 stop

7:20 pm - 10:25 amHAN-SEA

29h 05m2 stops

$720Japan Airlines

Find Deal

Wed, Sep 3 - Fri, Sep 19

10:15 am - 11:30 amSEA-HAN

35h 15m1 stop

12:40 pm - 8:45 amHAN-SEA

34h 05m1 stop

$721Singapore Airlines

Find Deal

Sun, Aug 31 - Sat, Sep 27

1:30 pm - 6:15 pmSEA-HAN

38h 45m2 stops

7:20 pm - 10:25 amHAN-SEA

29h 05m2 stops

$725Japan Airlines

Find Deal

Sun, Aug 31 - Sat, Sep 27

6:45 am - 10:15 pmSEA-HAN

25h 30m2 stops

12:25 am - 8:49 pmHAN-SEA

34h 24m3 stops

$732United Airlines

Find Deal

Tue, Sep 23 - Sun, Oct 26

5:14 pm - 10:15 pmSEA-HAN

39h 01m2 stops

11:35 pm - 9:38 pmHAN-SEA

36h 03m2 stops

$738United Airlines

Find Deal

Sun, Sep 21 - Thu, Oct 23

4:30 pm - 10:15 pmSEA-HAN

39h 45m1 stop

11:35 pm - 2:25 pmHAN-SEA

28h 50m1 stop

$744ANA

Find Deal

Sat, Sep 20 - Sat, Sep 27

10:15 am - 11:55 amSEA-HAN

35h 40m1 stop

12:40 pm - 8:45 amHAN-SEA

34h 05m1 stop

$755Singapore Airlines

Find Deal

Tue, Sep 23 - Thu, Oct 23

4:30 pm - 10:15 pmSEA-HAN

39h 45m1 stop

12:25 am - 4:09 pmHAN-SEA

29h 44m2 stops

$1,006ANA

Find Deal

Sat, Sep 20 - Fri, Sep 26

Useful Info

Low season	June
High season	February
Cheapest flight	$358

Best time to beat the crowds but there is an average 44% increase in price.

Most popular time to fly and prices are also 23% 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

$358 Find Cheap Flights from Washington to Hanoi

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

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