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

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 Hanoi to Washington.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Hanoi to 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 Hanoi to Washington?

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 from Hanoi to Washington with an airline and back with another airline.

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

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 from Hanoi to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from Hanoi to Washington?

In the past 5 days, the cheapest round-trip tickets from Hanoi to Washington were found on Asiana Airlines ($855) and Delta ($867).

Which airlines provide the cheapest flights from Hanoi to Washington?

In the past 5 days, the cheapest round-trip tickets from Hanoi to Washington were found on Asiana Airlines ($855) and Delta ($867).

How long does a flight from Hanoi to Washington take?

The duration of a flight to Washington depends on your arrival airport. The shortest route to Washington from Hanoi is to Seattle , which takes 25h 30m .

How long does a flight from Hanoi to Washington take?

The duration of a flight to Washington depends on your arrival airport. The shortest route to Washington from Hanoi is to Seattle , which takes 25h 30m .

$404 CHEAP FLIGHTS from Hanoi to Washington

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Flight Deals

Book Cheap Hanoi to Washington Plane Tickets

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 Hanoi to Washington

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

12:10 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

20h 25m1 stop Incheon Intl

$816Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

12:10 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

20h 25m1 stop Incheon Intl

$819Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

12:10 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

20h 25m1 stop Incheon Intl

$822Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

11:10 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 05m1 stop Incheon Intl

12:10 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

20h 25m1 stop Incheon Intl

$824Multiple Airlines

Thu, Sep 3 - Wed, Sep 16

11:10 pm - 10:40 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

25h 30m1 stop Incheon Intl

12:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 45m1 stop Incheon Intl

$853Korean Air

Fri, Oct 16 - Mon, Oct 19

1:25 pm - 3:15 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

15h 50m1 stop Incheon Intl

12:10 am - 12:15 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

22h 05m1 stop Incheon Intl

$855Asiana Airlines

Tue, Nov 10 - Tue, Nov 17

7:30 pm - 9:10 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 40m1 stop Hong Kong Intl

10:50 am - 10:05 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

32h 15m1 stop Hong Kong Intl

$858Cathay Pacific

Fri, Sep 18 - Fri, Sep 25

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:00 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 35m1 stop Incheon Intl

$866Delta

Wed, Sep 9 - Sun, Sep 20

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:00 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 35m1 stop Incheon Intl

$867Delta

Wed, Sep 16 - Wed, Sep 23

12:05 pm - 10:40 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

36h 35m1 stop Incheon Intl

12:50 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 45m1 stop Incheon Intl

$876Korean Air

Recent last minute flight deals from Hanoi to Washington

Mon, Aug 10 - Thu, Aug 13

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:05 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 30m1 stop Incheon Intl

$1,177Delta

Mon, Aug 10 - Sat, Aug 15

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:05 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 30m1 stop Incheon Intl

$1,177Delta

Mon, Aug 10 - Sun, Aug 16

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:05 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 30m1 stop Incheon Intl

$1,177Delta

Mon, Aug 10 - Fri, Aug 14

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:05 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 30m1 stop Incheon Intl

$1,177Delta

Mon, Aug 10 - Mon, Aug 17

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:05 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 30m1 stop Incheon Intl

$1,177Delta

Sat, Aug 8 - Thu, Aug 13

11:30 pm - 3:45 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

30h 15m1 stop Incheon Intl

12:10 am - 10:00 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 50m1 stop Incheon Intl

$1,279Asiana Airlines

Mon, Aug 10 - Wed, Aug 12

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

1:20 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 15m1 stop Incheon Intl

$1,280Korean Air

Fri, Aug 7 - Fri, Aug 14

11:30 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 07m1 stop Incheon Intl

1:05 pm - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 30m1 stop Incheon Intl

$1,280Multiple Airlines

Mon, Aug 10 - Sun, Aug 16

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

7:20 am - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

24h 15m2 stops San Francisco Incheon Intl

$1,281Delta

Mon, Aug 10 - Thu, Aug 13

11:10 pm - 1:37 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

28h 27m1 stop Incheon Intl

7:20 am - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

24h 15m2 stops San Francisco Incheon Intl

$1,281Delta

Booking Insights

KAYAK's insights & trends for Hanoi to Washington flights

Get data-powered insights and trends into flights from Hanoi to Washington to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

What is the cheapest month to fly from Hanoi to Washington?

The cheapest month for flights from Hanoi to Washington is March, when tickets cost $0 (return) on average. On the other hand, the most expensive months are January and August, when the average cost of round-trip tickets is $1,379 and $1,101 respectively.

Find deals

Low season	April
High season	June
Cheapest flight	$404

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 6% increase in price.

Flight from Hanoi to Seattle

How does KAYAK find such low prices on flights from Hanoi to Washington?
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 Hanoi to Washington.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hanoi to Washington?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Hanoi to 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 Hanoi to Washington?
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 from Hanoi to Washington with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hanoi to Washington?
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 from Hanoi to 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 from Hanoi to Washington

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

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Return flight deals

Information on your arrival and departure airports

Hanoi (HAN)

$404 Find Cheap Flights from Hanoi to Washington - Compare and Save

Book Cheap Hanoi to Washington Plane Tickets

Recent round-trip flight deals from Hanoi to Washington

Recent one-way flight deals from Hanoi to Washington

Recent last minute flight deals from Hanoi to Washington

KAYAK's insights & trends for Hanoi to Washington flights

What is the cheapest month to fly from Hanoi to Washington?

Which airlines provide the cheapest flights from Hanoi to Washington?

How long does a flight from Hanoi to Washington take?

Good to know

Low season

High season

Cheapest flight

FAQs - booking Washington flights

Everything you need to know for your flight from Hanoi to Washington

Information on your arrival and departure airports

Cabin class types available on flights to Washington

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

Flights to other popular destinations

Flights from other airports in Hanoi to Washington

Flights from Hanoi to popular cities in Washington

Find deals for your return flight