Which layover airport has the shortest travel time from Washington, D.C. to Hanoi?

Flights connecting via Incheon (ICN) have the shortest average one-way travel time: 21h 26m.

What is the cheapest airline that flies from Washington, D.C. to Hanoi Noibai?

Delta, Korean Air, and Qatar Airways are the most popular carriers operating from Washington, D.C. to Hanoi Noibai

Which airport is the most popular layover for flights between Washington, D.C. and Hanoi?

Doha (DOH) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. to Hanoi?

Flights via Beijing (PEK) offer the lowest average round-trip price of $799.

Which layover airport has the shortest connection time from Washington, D.C. to Hanoi?

Incheon (ICN) has the shortest average layover time for this route: 3h 08m.

What airlines fly to Hanoi?

Qatar Airways, Turkish Airlines and Korean Air are the top three most popular airlines that fly to Hanoi from Washington, D.C. according to our data. Qatar Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 6 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Hanoi?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Hanoi, then you can expect flight times to average 24h 05m and 25h, respectively.

When did momondo last update prices for flights from Washington, D.C. to Hanoi Noibai Airport?

Prices for flights from Washington, D.C. to Hanoi Noibai Airport refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Hanoi Noibai Airport?

The number of operators available for flights from Washington, D.C. to Hanoi Noibai Airport is 6 as of February 2026.

How old do you have to be to fly from Washington, D.C. to Hanoi Noibai Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Hanoi Noibai Airport.

What documentation or ID do you need to fly to Hanoi Noibai Airport?

The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$391 Cheap Flights from Washington, D.C. to Hanoi in 2026

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Find the cheapest flights from Washington, D.C. to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 11:45 pm

IAD

HAN

23h 25m

1 stop

7:40 pm - 9:45 am

HAN

IAD

49h 05m

2 stops

$959Multiple Airlines

Sun, Apr 26 - Tue, May 5

1:20 pm - 3:40 pm

IAD

HAN

39h 20m

1 stop

10:55 pm - 11:35 am

HAN

IAD

23h 40m

1 stop

$960Turkish Airlines

Wed, Apr 15 - Wed, May 6

9:45 pm - 3:40 pm

IAD

HAN

30h 55m

1 stop

10:55 pm - 11:35 am

HAN

IAD

23h 40m

1 stop

$963Turkish Airlines

Sun, Apr 26 - Tue, May 5

7:50 am - 10:15 pm

DCA

HAN

27h 25m

2 stops

11:35 pm - 8:35 pm

HAN

DCA

32h 00m

2 stops

$972United Airlines

Tue, Aug 18 - Tue, Aug 25

8:35 am - 10:15 pm

IAD

HAN

26h 40m

2 stops

11:35 pm - 1:17 am

HAN

IAD

36h 42m

2 stops

$972United Airlines

Tue, Aug 18 - Tue, Aug 25

5:59 pm - 6:10 pm

IAD

HAN

37h 11m

2 stops

10:55 am - 5:40 am

HAN

IAD

29h 45m

2 stops

$974Multiple Airlines

Wed, Apr 15 - Wed, May 6

9:00 pm - 7:55 pm

IAD

HAN

35h 55m

1 stop

9:35 am - 4:05 pm

HAN

IAD

41h 30m

1 stop

$999Qatar Airways

Tue, Apr 7 - Tue, Apr 14

1:30 pm - 10:35 am

IAD

HAN

34h 05m

1 stop

11:10 pm - 4:41 pm

HAN

IAD

28h 31m

2 stops

$1,007Delta

Wed, Aug 19 - Sun, Sep 6

8:38 am - 9:35 pm

BWI

HAN

25h 57m

2 stops

11:10 pm - 2:53 pm

HAN

BWI

26h 43m

2 stops

$1,073Korean Air

Tue, Apr 7 - Tue, Apr 14

6:59 pm - 9:35 pm

BWI

HAN

39h 36m

2 stops

11:10 pm - 11:26 pm

HAN

BWI

35h 16m

2 stops

$1,141Delta

Sun, Apr 12 - Sat, Apr 25

Cathay Pacific flights from Washington, D.C. to Hanoi

Our best Cathay Pacific deals on Washington, D.C. to Hanoi flight tickets

Cathay Pacific

Apr 19

DCA11:36 amWashington, D.C. Reagan-National

43h 34m

2 stops

HAN6:10 pmHanoi Noibai

May 16

HAN10:55 amHanoi Noibai

24h 35m

2 stops

DCA12:30 amWashington, D.C. Reagan-National

$1,095

Cathay Pacific

Feb 25

DCA9:35 amWashington, D.C. Reagan-National

36h 30m

2 stops

HAN10:05 amHanoi Noibai

Mar 10

HAN10:30 amHanoi Noibai

33h 29m

2 stops

DCA8:59 amWashington, D.C. Reagan-National

$1,164

Cathay Pacific

Feb 25

DCA9:35 amWashington, D.C. Reagan-National

36h 30m

2 stops

HAN10:05 amHanoi Noibai

Mar 10

HAN11:05 amHanoi Noibai

40h 32m

2 stops

DCA4:37 pmWashington, D.C. Reagan-National

$1,179

Qatar Airways flights from Washington, D.C. to Hanoi

Our best Qatar Airways deals on Washington, D.C. to Hanoi flight tickets

Qatar Airways

Apr 7

IAD9:00 pmWashington, D.C. Dulles Intl

35h 55m

1 stop

HAN7:55 pmHanoi Noibai

Apr 14

HAN9:35 amHanoi Noibai

41h 30m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$999

Qatar Airways

May 12

IAD8:20 pmWashington, D.C. Dulles Intl

24h 45m

1 stop

HAN8:05 amHanoi Noibai

Jun 5

HAN7:30 pmHanoi Noibai

24h 10m

1 stop

IAD8:40 amWashington, D.C. Dulles Intl

$1,021

Qatar Airways

Mar 31

IAD9:00 pmWashington, D.C. Dulles Intl

35h 55m

1 stop

HAN7:55 pmHanoi Noibai

Apr 14

HAN9:35 amHanoi Noibai

41h 30m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$1,041

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 4/26

1:20 pm-11:45 pm

1 stop23h 25m

Hanoi Noibai

Tue 5/5

7:40 pm-9:45 am

2 stops49h 05m

$959

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 4/15

1:20 pm-3:40 pm

1 stop39h 20m

Hanoi Noibai

Wed 5/6

10:55 pm-11:35 am

1 stop23h 40m

$960

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 4/26

9:45 pm-3:40 pm

1 stop30h 55m

Hanoi Noibai

Tue 5/5

10:55 pm-11:35 am

1 stop23h 40m

$963

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 8/18

7:50 am-10:15 pm

2 stops27h 25m

Hanoi Noibai

Tue 8/25

11:35 pm-8:35 pm

2 stops32h 00m

$972

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 8/18

8:35 am-10:15 pm

2 stops26h 40m

Hanoi Noibai

Tue 8/25

11:35 pm-1:17 am

2 stops36h 42m

$972

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 4/15

5:59 pm-6:10 pm

2 stops37h 11m

Hanoi Noibai

Wed 5/6

10:55 am-5:40 am

2 stops29h 45m

$974

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 4/7

9:00 pm-7:55 pm

1 stop35h 55m

Hanoi Noibai

Tue 4/14

9:35 am-4:05 pm

1 stop41h 30m

$999

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 8/19

1:30 pm-10:35 am

1 stop34h 05m

Hanoi Noibai

Sun 9/6

11:10 pm-4:41 pm

2 stops28h 31m

$1,007

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Tue 4/7

8:38 am-9:35 pm

2 stops25h 57m

Hanoi Noibai

Tue 4/14

11:10 pm-2:53 pm

2 stops26h 43m

$1,073

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Sun 4/12

6:59 pm-9:35 pm

2 stops39h 36m

Hanoi Noibai

Sat 4/25

11:10 pm-11:26 pm

2 stops35h 16m

$1,141

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Hanoi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Washington, D.C. is in September. Flight prices, which tend to average around $912, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then October is your next best option. Flight prices from Washington, D.C. to Hanoi during October average around $993.

How far in advance should I book a flight to Hanoi?

You are more likely to see cheaper flights to Hanoi from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $1,286 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Washington, D.C. for as low as $865 on momondo.

Can stopping save me money on Washington, D.C. to Hanoi flights?

You could potentially save up to 18% on your flight if you consider stops on a Washington, D.C. to Hanoi flight.

How have Washington, D.C. to Hanoi flight prices changed over time?

As of February 2026, prices for Washington, D.C. to Hanoi flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Hanoi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Hanoi (WAS to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Hanoi

Fastest flight time	21h 05m
Direct flights	None

The fastest flight from Washington, D.C. to Hanoi takes 21h 05m

There are no direct flights from Washington, D.C. to Hanoi. There are no popular flight routes from Washington, D.C. to Hanoi.

Search flight deals

How far is Washington, D.C. to Hanoi Noibai by plane?
There are 8286.7 mi between Washington, D.C. and Hanoi Noibai. A reasonable flight in good conditions will take 21h 05m.
When did momondo last update prices for flights from Washington, D.C. to Hanoi Noibai Airport?
Prices for flights from Washington, D.C. to Hanoi Noibai Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Hanoi Noibai Airport?
The number of operators available for flights from Washington, D.C. to Hanoi Noibai Airport is 6 as of February 2026.
How old do you have to be to fly from Washington, D.C. to Hanoi Noibai Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. to Hanoi?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Hanoi is Korean Air (29% of total bookings). The next most popular airlines are Turkish Airlines (20%), Qatar Airways (18%), and Delta (12%).

Best airlines flying from Washington, D.C. to Hanoi

Compare and see reviews for airlines that fly from Washington, D.C. to Hanoi with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $819	Free Cancellation	Rating 8.4 1,195 reviews	Search Korean Air flights
Delta	PriceFrom $947	Free Cancellation	Rating 7.9 8,236 reviews	Search Delta flights
Turkish Airlines	PriceFrom $965	Free Cancellation	Rating 7.3 4,233 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $978	Free Cancellation	Rating 7.4 9,341 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $983	Free Cancellation	Rating 7.4 3,740 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,130	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hanoi?

Finding the right flight to Hanoi from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hanoi quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Hanoi with flexible booking policies on momondo?

Flights from Washington, D.C. to Hanoi with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Hanoi?

Once you have performed a search for Washington, D.C. to Hanoi flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Hanoi right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Hanoi flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.