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Cheap flights from Washington, D.C. Dulles Intl Airport to Hanoi from $438

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. Dulles Intl Airport to Hanoi departing on 4/22. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Hanoi

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
5:59 pm - 9:55 am
IAD
-
HAN
28h 56m
2 stops
Cathay Pacific Logo
10:55 am - 11:26 pm
HAN
-
IAD
23h 31m
2 stops
$970Cathay Pacific
Wed, Apr 15 - Wed, Apr 29
Multiple Airlines Logo
5:52 pm - 9:55 am
IAD
-
HAN
29h 03m
2 stops
Multiple Airlines Logo
10:55 am - 5:40 am
HAN
-
IAD
29h 45m
2 stops
$974Multiple Airlines
Mon, Apr 6 - Thu, Apr 16
United Airlines Logo
10:03 pm - 10:15 pm
IAD
-
HAN
37h 12m
2 stops
United Airlines Logo
11:35 pm - 7:15 am
HAN
-
IAD
42h 40m
2 stops
$987United Airlines
Tue, Jul 14 - Wed, Aug 5
Qatar Airways Logo
8:20 pm - 2:00 pm
IAD
-
HAN
30h 40m
1 stop
Qatar Airways Logo
9:35 am - 4:05 pm
HAN
-
IAD
41h 30m
1 stop
$989Qatar Airways
Sun, Apr 19 - Tue, Apr 28
Qatar Airways Logo
8:20 pm - 2:00 pm
IAD
-
HAN
30h 40m
1 stop
Qatar Airways Logo
7:30 pm - 4:05 pm
HAN
-
IAD
31h 35m
1 stop
$996Qatar Airways
Sun, May 3 - Fri, May 8
Qatar Airways Logo
9:00 pm - 1:55 pm
IAD
-
HAN
29h 55m
1 stop
Qatar Airways Logo
9:35 am - 4:05 pm
HAN
-
IAD
41h 30m
1 stop
$997Qatar Airways
Mon, Apr 6 - Thu, Apr 16
Multiple Airlines Logo
1:15 pm - 10:00 pm
IAD
-
HAN
21h 45m
1 stop
Multiple Airlines Logo
11:30 pm - 11:15 am
HAN
-
IAD
22h 45m
1 stop
$998Multiple Airlines
Mon, May 4 - Mon, May 25
China Airlines Logo
7:11 pm - 4:50 pm
IAD
-
HAN
34h 39m
2 stops
China Airlines Logo
11:35 am - 5:40 am
HAN
-
IAD
29h 05m
2 stops
$999China Airlines
Mon, Apr 6 - Thu, Apr 16
Multiple Airlines Logo
7:20 pm - 10:30 am
IAD
-
HAN
28h 10m
2 stops
Multiple Airlines Logo
11:30 am - 7:34 am
HAN
-
IAD
31h 04m
2 stops
$1,008Multiple Airlines
Mon, May 4 - Mon, May 25
Cathay Pacific Logo
5:59 pm - 9:55 am
IAD
-
HAN
28h 56m
2 stops
Cathay Pacific Logo
10:55 am - 11:26 pm
HAN
-
IAD
23h 31m
2 stops
$1,020Cathay Pacific
Sun, Apr 12 - Wed, Apr 29

Ethiopian Air flights from Washington, D.C. Dulles Intl Airport to Hanoi

Our best Ethiopian Air deals on Washington, D.C. Dulles Intl Airport to Hanoi flight tickets
Ethiopian Air
Feb 25
IAD10:00 amWashington, D.C. Dulles Intl
39h 10m
2 stops
HAN1:10 pmHanoi Noibai
Mar 10
HAN2:10 pmHanoi Noibai
29h 50m
3 stops
IAD9:00 amWashington, D.C. Dulles Intl
$1,143
Ethiopian Air
Feb 9
IAD8:50 pmWashington, D.C. Dulles Intl
28h 20m
3 stops
HAN1:10 pmHanoi Noibai
Feb 18
HAN2:10 pmHanoi Noibai
29h 50m
3 stops
IAD8:00 amWashington, D.C. Dulles Intl
$1,220
Ethiopian Air
Feb 9
IAD8:50 pmWashington, D.C. Dulles Intl
28h 20m
3 stops
HAN1:10 pmHanoi Noibai
Feb 18
HAN2:10 pmHanoi Noibai
29h 50m
3 stops
IAD8:00 amWashington, D.C. Dulles Intl
$1,284

Cathay Pacific flights from Washington, D.C. Dulles Intl Airport to Hanoi

Our best Cathay Pacific deals on Washington, D.C. Dulles Intl Airport to Hanoi flight tickets
Cathay Pacific
Apr 15
IAD5:59 pmWashington, D.C. Dulles Intl
28h 56m
2 stops
HAN9:55 amHanoi Noibai
Apr 29
HAN10:55 amHanoi Noibai
23h 31m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
$970
Cathay Pacific
Apr 12
IAD5:59 pmWashington, D.C. Dulles Intl
28h 56m
2 stops
HAN9:55 amHanoi Noibai
Apr 29
HAN10:55 amHanoi Noibai
23h 31m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
$1,020
Cathay Pacific
Apr 18
IAD5:59 pmWashington, D.C. Dulles Intl
37h 11m
2 stops
HAN6:10 pmHanoi Noibai
Apr 30
HAN7:10 pmHanoi Noibai
39h 16m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
$1,041

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 February 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 4/15

5:59 pm-9:55 am

2 stops28h 56m

Hanoi Noibai

Wed 4/29

10:55 am-11:26 pm

2 stops23h 31m

$970

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 4/6

5:52 pm-9:55 am

2 stops29h 03m

Hanoi Noibai

Thu 4/16

10:55 am-5:40 am

2 stops29h 45m

$974

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 7/14

10:03 pm-10:15 pm

2 stops37h 12m

Hanoi Noibai

Wed 8/5

11:35 pm-7:15 am

2 stops42h 40m

$987

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-2:00 pm

1 stop30h 40m

Hanoi Noibai

Tue 4/28

9:35 am-4:05 pm

1 stop41h 30m

$989

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 5/3

8:20 pm-2:00 pm

1 stop30h 40m

Hanoi Noibai

Fri 5/8

7:30 pm-4:05 pm

1 stop31h 35m

$996

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 4/6

9:00 pm-1:55 pm

1 stop29h 55m

Hanoi Noibai

Thu 4/16

9:35 am-4:05 pm

1 stop41h 30m

$997

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 5/4

1:15 pm-10:00 pm

1 stop21h 45m

Hanoi Noibai

Mon 5/25

11:30 pm-11:15 am

1 stop22h 45m

$998

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 4/6

7:11 pm-4:50 pm

2 stops34h 39m

Hanoi Noibai

Thu 4/16

11:35 am-5:40 am

2 stops29h 05m

$999

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 5/4

7:20 pm-10:30 am

2 stops28h 10m

Hanoi Noibai

Mon 5/25

11:30 am-7:34 am

2 stops31h 04m

$1,008

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 4/12

5:59 pm-9:55 am

2 stops28h 56m

Hanoi Noibai

Wed 4/29

10:55 am-11:26 pm

2 stops23h 31m

$1,020

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hanoi from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Hanoi?

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Washington, D.C. Dulles Intl Airport is in November. Flight prices, which tend to average around $1,050, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in November, then September is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Hanoi during September average around $1,068.

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. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $1,306 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. Dulles Intl Airport for as low as $865 on momondo.

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

As of February 2026, prices for Washington, D.C. Dulles Intl Airport to Hanoi flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Hanoi (IAD to HAN) flight deals and tips

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

Fastest flight time

21h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Hanoi takes 21h 05m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Hanoi. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Hanoi.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Hanoi Noibai by plane?

    The distance between Washington, D.C. Dulles Intl and Hanoi Noibai is about 8282.5 mi. By plane, this route typically takes 21h 05m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Hanoi?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Hanoi

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Hanoi with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $819Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $965Free CancellationRating
7.3
4,207 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $978Free CancellationRating
7.4
9,246 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $983Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,130Free CancellationRating
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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Hanoi. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Hanoi from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Washington, D.C. to Hanoi flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 offers price alerts on flights to Hanoi from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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