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>

$277 CHEAP FLIGHTS from Washington to Hanoi

HAN

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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

Thu, Jan 22 - Mon, Feb 2

8:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

6:30 pm - 7:10 amHAN-SEA

27h 40m1 stop

$562Singapore Airlines

Find Deal

Fri, Jan 9 - Thu, Jan 22

8:45 am - 11:30 amSEA-HAN

35h 45m1 stop

6:25 pm - 7:10 amHAN-SEA

27h 45m1 stop

$583Singapore Airlines

Find Deal

Tue, Nov 25 - Thu, Dec 25

9:30 pm - 1:45 amSEA-HAN

37h 15m1 stop

1:55 pm - 6:40 pmHAN-SEA

19h 45m1 stop

$652Philippine Airlines

Find Deal

Wed, Mar 4 - Tue, Mar 17

9:30 pm - 1:45 amSEA-HAN

37h 15m1 stop

2:50 am - 7:40 pmHAN-SEA

30h 50m1 stop

$653Philippine Airlines

Find Deal

Wed, Jan 7 - Fri, Jan 23

12:10 am - 10:25 pmSEA-HAN

31h 15m1 stop

11:50 pm - 1:55 pmHAN-SEA

29h 05m1 stop

$668Asiana Airlines

Find Deal

Sat, Jan 10 - Fri, Jan 23

12:10 am - 12:10 pmSEA-HAN

21h 00m1 stop

1:30 pm - 1:55 pmHAN-SEA

15h 25m1 stop

$683Asiana Airlines

Find Deal

Mon, Jan 12 - Wed, Jan 21

11:25 am - 9:45 pmSEA-HAN

19h 20m1 stop

11:05 pm - 1:20 pmHAN-SEA

29h 15m1 stop

$701Delta

Find Deal

Wed, Mar 4 - Wed, Mar 18

11:00 am - 9:45 pmSEA-HAN

19h 45m1 stop

12:20 pm - 10:00 amHAN-SEA

35h 40m1 stop

$704Korean Air

Find Deal

Wed, Mar 4 - Wed, Mar 18

7:20 am - 9:45 pmSEA-HAN

23h 25m2 stops

11:05 pm - 10:00 amHAN-SEA

24h 55m1 stop

$710Korean Air

Find Deal

Mon, Jan 5 - Sun, Jan 25

11:25 am - 9:45 pmSEA-HAN

19h 20m1 stop

11:05 pm - 1:20 pmHAN-SEA

29h 15m1 stop

$729Delta

Find Deal

Cheapest round-trip

$562

Overall average: $904

Singapore Airlines

Thu 1/22Mon 2/2

SEA - HAN • 1 stop

Cheapest one-way

$277

Typical prices: $387-$528

Singapore Airlines

Sat 2/21

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!

Useful Info

Low season	June
High season	February
Cheapest flight	$277

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

Most popular time to fly and prices are also 18% 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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

HAN

$277 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

Everything you should know

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