Cheap flights from Washington, D.C. to Hanoi from $405

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Hanoi departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Singapore Airlines Logo
9:59 am - 11:30 amDCA-HAN
37h 31m2 stops
Singapore Airlines Logo
6:30 pm - 9:59 pmHAN-DCA
39h 29m2 stops
$936Singapore Airlines
Find Deal
Sat, Jan 17 - Mon, Feb 9
Singapore Airlines Logo
9:59 am - 11:30 amDCA-HAN
37h 31m2 stops
Singapore Airlines Logo
12:45 pm - 8:00 pmHAN-DCA
43h 15m2 stops
$951Singapore Airlines
Find Deal
Sat, Jan 17 - Sun, Feb 8
Turkish Airlines Logo
1:30 pm - 7:20 amIAD-HAN
29h 50m1 stop
Turkish Airlines Logo
10:55 pm - 11:45 amHAN-IAD
24h 50m1 stop
$956Turkish Airlines
Find Deal
Mon, Jan 5 - Fri, Jan 23
Turkish Airlines Logo
1:30 pm - 7:20 amIAD-HAN
29h 50m1 stop
Turkish Airlines Logo
10:55 pm - 11:45 amHAN-IAD
24h 50m1 stop
$959Turkish Airlines
Find Deal
Mon, Jan 5 - Fri, Jan 23
Qatar Airways Logo
10:40 am - 7:45 pmIAD-HAN
21h 05m1 stop
Qatar Airways Logo
7:10 pm - 9:20 amHAN-IAD
25h 10m1 stop
$965Qatar Airways
Find Deal
Wed, Feb 25 - Tue, Mar 10
Delta Logo
7:50 pm - 9:45 pmIAD-HAN
38h 55m2 stops
Delta Logo
11:10 pm - 11:16 pmHAN-IAD
35h 06m2 stops
$970Delta
Find Deal
Mon, Mar 16 - Tue, Apr 7
Korean Air Logo
11:50 am - 11:10 amIAD-HAN
35h 20m1 stop
Korean Air Logo
11:05 pm - 7:19 pmHAN-IAD
56h 14m2 stops
$976Korean Air
Find Deal
Wed, Nov 26 - Sun, Dec 7
Korean Air Logo
8:20 am - 9:45 pmDCA-HAN
26h 25m2 stops
Korean Air Logo
11:10 pm - 3:41 pmHAN-DCA
27h 31m2 stops
$994Korean Air
Find Deal
Thu, Mar 12 - Thu, Apr 9
Delta Logo
11:50 am - 11:10 amIAD-HAN
35h 20m1 stop
Delta Logo
11:05 pm - 5:00 pmHAN-IAD
29h 55m2 stops
$1,016Delta
Find Deal
Wed, Nov 26 - Sun, Dec 7
Qatar Airways Logo
8:05 pm - 12:20 pmIAD-HAN
28h 15m1 stop
Qatar Airways Logo
7:10 pm - 3:55 pmHAN-IAD
32h 45m1 stop
$1,025Qatar Airways
Find Deal
Mon, Feb 2 - Mon, Feb 23

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

Our best Qatar Airways deals on Washington, D.C. to Hanoi flight tickets
Qatar Airways
Feb 25
IAD10:40 amWashington, D.C. Dulles Intl
21h 05m
1 stop
HAN7:45 pmHanoi Noibai
Mar 10
HAN7:10 pmHanoi Noibai
25h 10m
1 stop
IAD9:20 amWashington, D.C. Dulles Intl
Qatar Airways
Feb 2
IAD8:05 pmWashington, D.C. Dulles Intl
28h 15m
1 stop
HAN12:20 pmHanoi Noibai
Feb 23
HAN7:10 pmHanoi Noibai
32h 45m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Qatar Airways
Nov 6
IAD8:05 pmWashington, D.C. Dulles Intl
34h 25m
2 stops
HAN6:30 pmHanoi Noibai
Nov 13
HAN8:55 amHanoi Noibai
43h 00m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl

China Airlines flights from Washington, D.C. to Hanoi

Our best China Airlines deals on Washington, D.C. to Hanoi flight tickets
China Airlines
Feb 25
DCA9:30 amWashington, D.C. Reagan-National
43h 00m
2 stops
HAN4:30 pmHanoi Noibai
Mar 10
HAN5:30 pmHanoi Noibai
35h 02m
2 stops
DCA5:32 pmWashington, D.C. Reagan-National
China Airlines
Jan 5
DCA5:00 pmWashington, D.C. Reagan-National
35h 30m
2 stops
HAN4:30 pmHanoi Noibai
Jan 23
HAN5:30 pmHanoi Noibai
38h 30m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
China Airlines
Jan 5
DCA5:00 pmWashington, D.C. Reagan-National
35h 30m
2 stops
HAN4:30 pmHanoi Noibai
Jan 23
HAN11:35 amHanoi Noibai
44h 25m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 9, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sat 1/17

9:59 am-11:30 am

2 stops37h 31m

Hanoi Noibai

Mon 2/9

6:30 pm-9:59 pm

2 stops39h 29m

$936

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sat 1/17

9:59 am-11:30 am

2 stops37h 31m

Hanoi Noibai

Sun 2/8

12:45 pm-8:00 pm

2 stops43h 15m

$951

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 1/5

1:30 pm-7:20 am

1 stop29h 50m

Hanoi Noibai

Fri 1/23

10:55 pm-11:45 am

1 stop24h 50m

$956

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 1/5

1:30 pm-7:20 am

1 stop29h 50m

Hanoi Noibai

Fri 1/23

10:55 pm-11:45 am

1 stop24h 50m

$959

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 2/25

10:40 am-7:45 pm

1 stop21h 05m

Hanoi Noibai

Tue 3/10

7:10 pm-9:20 am

1 stop25h 10m

$965

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 3/16

7:50 pm-9:45 pm

2 stops38h 55m

Hanoi Noibai

Tue 4/7

11:10 pm-11:16 pm

2 stops35h 06m

$970

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/26

11:50 am-11:10 am

1 stop35h 20m

Hanoi Noibai

Sun 12/7

11:05 pm-7:19 pm

2 stops56h 14m

$976

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 3/12

8:20 am-9:45 pm

2 stops26h 25m

Hanoi Noibai

Thu 4/9

11:10 pm-3:41 pm

2 stops27h 31m

$994

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/26

11:50 am-11:10 am

1 stop35h 20m

Hanoi Noibai

Sun 12/7

11:05 pm-5:00 pm

2 stops29h 55m

$1,016

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 2/2

8:05 pm-12:20 pm

1 stop28h 15m

Hanoi Noibai

Mon 2/23

7:10 pm-3:55 pm

1 stop32h 45m

$1,025

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Hanoi from

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

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 $1,011.

What is the cheapest day to depart on your flight to Hanoi?

According to our data, Thursday is the cheapest day to fly to Hanoi from Washington, D.C.. The lowest ticket price found for a Thursday departure recently was $1,306. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Monday is $1,479.

What is the cheapest time of day to depart on your flight to Hanoi?

Our most recent data shows that the best time of day to fly to Hanoi is in the evening. Flights from Washington, D.C. to Hanoi during this time can be as low as $1,312. Try not to purchase tickets in the morning because they tend to be around $1,407. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $1,394 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 $843 on momondo.

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

You could potentially save up to 1% 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 October 2025, prices for Washington, D.C. to Hanoi flights are approximately 8% 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

Direct flights

None
There are no direct flights from Washington, D.C. to Hanoi. There are no popular flight routes from Washington, D.C. to Hanoi.
  • 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?

  • 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?

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 AirPriceFrom $821Free CancellationRating
8.4
1,148 reviews
Search Korean Air flights
United AirlinesPriceFrom $941Free CancellationRating
7.4
8,968 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $965Free CancellationRating
7.3
3,995 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,136Free CancellationRating
7.4
3,644 reviews
Search Qatar Airways 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.

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Sat 11/8
Sat 11/15

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