How long is the flight from Washington, D.C. Dulles Intl Airport to Hanoi?

A quick flight from Washington, D.C. Dulles Intl Airport to Hanoi can take about 39h 55m. Delta provides one of the quickest options available for as low as $933. Washington, D.C. Dulles Intl Airport and Hanoi are separated by a distance of 8268 mi.

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Hanoi round-trip?

Currently priced at $821, Korean Air will fly you from Washington, D.C. Dulles Intl Airport to Hanoi and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Turkish Airlines - these airlines can fly you to your destination from $941 and $963, respectively. Korean Air is currently priced 42% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Hanoi?

Korean Air, Qatar Airways and Turkish Airlines are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Hanoi.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Hanoi?

Flights from Washington, D.C. Dulles Intl Airport to Hanoi are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Hanoi.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Hanoi?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, September can be a great choice for travel to Hanoi. Flights to Hanoi from Washington, D.C. Dulles Intl Airport in September are about $1,350 on average during September, but can be found for as low as $831.

What airport do you fly into for flights to Hanoi from Washington, D.C. Dulles Intl?

Located just 14.2 mi from the city center, Hanoi Noibai is the airport most travelers will use when flying to Hanoi from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Noibai (HAN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 4 different airlines.

Can I find deals for flights from Dulles Intl to Hanoi that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Hanoi?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hanoi.

Can I find deals for business class flights from Dulles Intl to Hanoi?

Yes. Cheapflights offers flight deals from Dulles Intl to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$442+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Hanoi

Q: How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Hanoi?

Airfare is below average for this route at the moment. Washington, D.C. Dulles Intl Airport to Hanoi flights typically cost between $1,005 and $1,256 in September. The cheapest round-trip price found within the last 3 days was $882 on American Airlines (Sep 22-Oct 7).

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Find cheap flights from Dulles Intl to Hanoi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hanoi Noibai are usually found in November or October, booked 20 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Hanoi

Round-trip from	$882 (American Airlines)
One-way from	$442 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$1,191

From Washington, D.C. Dulles Intl to Hanoi Noibai

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Hanoi Noibai

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($118 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($71 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Dulles Intl to Hanoi

Cheapest flights from Dulles Intl to Hanoi
Explore the most affordable flight options available from Dulles Intl to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Mon 9/226:25 amIAD - HAN

2 stops28h 25mAmerican Airlines

Tue 10/711:20 pmHAN - IAD

2 stops34h 31mAmerican Airlines

Deal found 9/9

$882

Tue 11/1810:00 pmIAD - HAN

1 stop25h 55mAir China

Mon 11/241:20 pmHAN - IAD

1 stop41h 10mAir China

Deal found 9/10

$897

Sun 9/216:25 amIAD - HAN

2 stops28h 25mAmerican Airlines

Tue 10/711:20 pmHAN - IAD

2 stops34h 31mAmerican Airlines

Deal found 9/10

$922

Fri 11/710:00 pmIAD - HAN

1 stop25h 55mAir China

Mon 11/171:20 pmHAN - IAD

1 stop41h 10mAir China

Deal found 9/10

$923

Mon 11/177:15 amIAD - HAN

2 stops26h 30mDelta

Tue 11/2511:05 pmHAN - IAD

2 stops37h 49mDelta

Deal found 9/11

$933

Sun 11/911:05 amIAD - HAN

2 stops60h 05mDelta

Tue 11/1811:05 pmHAN - IAD

2 stops37h 49mDelta

Deal found 9/10

$939

Sun 11/166:59 pmIAD - HAN

2 stops38h 46mDelta

Sun 11/2311:05 pmHAN - IAD

2 stops37h 49mDelta

Deal found 9/10

$940

Tue 10/2110:14 pmIAD - HAN

2 stops37h 01mUnited Airlines

Sun 10/2612:25 amHAN - IAD

1 stop27h 15mUnited Airlines

Deal found 9/10

$942

Tue 12/21:30 pmIAD - HAN

1 stop37h 55mTurkish Airlines

Tue 12/238:50 amHAN - IAD

1 stop38h 55mTurkish Airlines

Deal found 9/11

$947

Fri 11/77:35 amIAD - HAN

2 stops39h 35mDelta

Sun 11/1611:05 pmHAN - IAD

2 stops34h 27mDelta

Deal found 9/10

$970

Sat 11/85:10 pmIAD - HAN

2 stops40h 35mDelta

Sun 11/1611:05 pmHAN - IAD

2 stops34h 27mDelta

Deal found 9/10

$976

Best flights from Dulles Intl to Hanoi
Discover carefully curated flight deals from Dulles Intl to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Mon 11/107:15 amIAD - HAN

2 stops39h 55mDelta

Mon 11/1711:05 pmHAN - IAD

2 stops36h 14mDelta

Deal found 9/10

$933

Wed 11/126:00 amIAD - HAN

2 stops27h 45mDelta

Tue 11/1811:05 pmHAN - IAD

2 stops36h 14mDelta

Deal found 9/10

$933

Sun 11/95:03 pmIAD - HAN

2 stops54h 07mDelta

Sun 11/1611:05 pmHAN - IAD

2 stops34h 27mDelta

Deal found 9/10

$939

Thu 11/135:03 pmIAD - HAN

2 stops54h 07mDelta

Tue 11/1811:05 pmHAN - IAD

2 stops37h 49mDelta

Deal found 9/10

$976

Wed 11/2611:50 amIAD - HAN

1 stop35h 20mDelta

Sun 12/711:05 pmHAN - IAD

2 stops37h 21mDelta

Deal found 9/9

$979

Mon 9/227:35 amIAD - HAN

2 stops40h 05mDelta

Tue 10/711:10 pmHAN - IAD

2 stops36h 30mDelta

Deal found 9/8

$983

Tue 10/217:35 amIAD - HAN

2 stops27h 00mDelta

Mon 10/2711:05 pmHAN - IAD

2 stops28h 52mDelta

Deal found 9/10

$983

Wed 10/227:35 amIAD - HAN

2 stops27h 00mDelta

Wed 10/2911:05 pmHAN - IAD

2 stops28h 52mDelta

Deal found 9/9

$983

Last-minute flights from Dulles Intl to Hanoi
Discover last-minute flight deals from Dulles Intl to Hanoi. Data last updated September 11, 2025 and is based on user searches.

Sun 9/216:25 amIAD - HAN

2 stops28h 25mAmerican Airlines

Tue 10/711:20 pmHAN - IAD

2 stops34h 31mAmerican Airlines

Deal found 9/10

$922

Sun 9/215:25 pmIAD - HAN

2 stops41h 10mDelta

Tue 10/711:10 pmHAN - IAD

2 stops36h 30mDelta

Deal found 9/9

$989

Sun 9/211:30 pmIAD - HAN

1 stop38h 55mTurkish Airlines

Tue 10/711:05 pmHAN - IAD

1 stop23h 40mTurkish Airlines

Deal found 9/10

$1,021

Mon 9/226:25 amIAD - HAN

2 stops28h 25mAmerican Airlines

Tue 10/711:20 pmHAN - IAD

2 stops34h 31mAmerican Airlines

Deal found 9/9

$882

Mon 9/227:35 amIAD - HAN

2 stops40h 05mDelta

Tue 10/711:10 pmHAN - IAD

2 stops36h 30mDelta

Deal found 9/8

$983

Mon 9/221:30 pmIAD - HAN

1 stop38h 55mTurkish Airlines

Tue 10/711:05 pmHAN - IAD

1 stop23h 40mTurkish Airlines

Deal found 9/8

$1,002

Wed 9/248:20 amIAD - HAN

2 stops26h 55mANA

Sat 9/275:00 amHAN - IAD

2 stops40h 05mANA

Deal found 9/10

$996

Tue 10/2110:14 pmIAD - HAN

2 stops37h 01mUnited Airlines

Sun 10/2612:25 amHAN - IAD

1 stop27h 15mUnited Airlines

Deal found 9/10

$942

Tue 10/219:40 pmIAD - HAN

1 stop30h 45mTurkish Airlines

Mon 10/2710:55 pmHAN - IAD

1 stop24h 50mTurkish Airlines

Deal found 9/10

$1,034

Wed 10/227:00 amIAD - HAN

2 stops28h 15mUnited Airlines

Tue 10/2812:25 amHAN - IAD

2 stops31h 14mUnited Airlines

Deal found 9/9

$1,037

One-way flights from Dulles Intl to Hanoi
Search for one-way flight options from Dulles Intl to Hanoi. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Mon 10/61:55 pmIAD - HAN

3 stops56h 00mMultiple Airlines

Deal found 9/9

$442

Mon 10/139:28 pmIAD - HAN

3 stops49h 57mMultiple Airlines

Deal found 9/9

$445

Sat 10/47:14 pmIAD - HAN

3 stops42h 31mMultiple Airlines

Deal found 9/10

$450

Sun 9/287:14 pmIAD - HAN

3 stops43h 16mMultiple Airlines

Deal found 9/11

$479

Sun 10/57:14 pmIAD - HAN

3 stops43h 16mMultiple Airlines

Deal found 9/10

$480

Sun 11/29:10 pmIAD - HAN

3 stops50h 40mMultiple Airlines

Deal found 9/9

$505

Thu 9/188:20 amIAD - HAN

2 stops26h 55mANA

Deal found 9/10

$507

Mon 9/291:55 pmIAD - HAN

3 stops57h 00mMultiple Airlines

Deal found 9/11

$510

Wed 10/810:05 pmIAD - HAN

3 stops52h 55mMultiple Airlines

Deal found 9/9

$514

Wed 11/2611:50 amIAD - HAN

1 stop21h 55mKorean Air

Deal found 9/11

$515

Cheapflights Fare Finder

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

Mon 11/10

7:15 am-11:10 am

2 stops39h 55m

Hanoi Noibai

Mon 11/17

11:05 pm-11:19 pm

2 stops36h 14m

$933

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/12

6:00 am-9:45 pm

2 stops27h 45m

Hanoi Noibai

Tue 11/18

11:05 pm-11:19 pm

2 stops36h 14m

$933

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 11/9

5:03 pm-11:10 am

2 stops54h 07m

Hanoi Noibai

Sun 11/16

11:05 pm-9:32 pm

2 stops34h 27m

$939

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 11/13

5:03 pm-11:10 am

2 stops54h 07m

Hanoi Noibai

Tue 11/18

11:05 pm-12:54 am

2 stops37h 49m

$976

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-12:26 am

2 stops37h 21m

$979

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 9/22

7:35 am-10:40 am

2 stops40h 05m

Hanoi Noibai

Tue 10/7

11:10 pm-12:40 am

2 stops36h 30m

$983

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 10/21

7:35 am-9:35 pm

2 stops27h 00m

Hanoi Noibai

Mon 10/27

11:05 pm-4:57 pm

2 stops28h 52m

$983

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 10/22

7:35 am-9:35 pm

2 stops27h 00m

Hanoi Noibai

Wed 10/29

11:05 pm-4:57 pm

2 stops28h 52m

$983

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 10/6

1:55 pm-8:55 am

3 stops56h 00m

$442

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sat 10/4

7:14 pm-12:45 am

3 stops42h 31m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 16 results

Best time to book a flight from Dulles Intl to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Hanoi

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Hanoi?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Hanoi, you should look to book at least 17 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hanoi?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hanoi (average of $864). Flying from Washington, D.C. Dulles Intl Airport to Hanoi in December is currently the most expensive (average of $1,600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to HAN?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Hanoi in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Hanoi?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Hanoi flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Hanoi?

Reviews of airlines servicing Hanoi

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Hanoi, such as Korean Air, Qatar Airways, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Korean Air

8.4

Very good

1,139 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Qatar Airways

7.4

Good

3,624 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

8,937 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Turkish Airlines

7.3

Good

3,968 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

What airport do you fly into for flights to Hanoi from Washington, D.C. Dulles Intl?
Located just 14.2 mi from the city center, Hanoi Noibai is the airport most travelers will use when flying to Hanoi from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Noibai (HAN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 4 different airlines.
How long is the flight from Washington, D.C. Dulles Intl Airport to Hanoi?
A quick flight from Washington, D.C. Dulles Intl Airport to Hanoi can take about 39h 55m. Delta provides one of the quickest options available for as low as $933. Washington, D.C. Dulles Intl Airport and Hanoi are separated by a distance of 8268 mi.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Hanoi round-trip?
Currently priced at $821, Korean Air will fly you from Washington, D.C. Dulles Intl Airport to Hanoi and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Turkish Airlines - these airlines can fly you to your destination from $941 and $963, respectively. Korean Air is currently priced 42% below the average price you’ll pay for this route.
Can I find deals for flights from Dulles Intl to Hanoi that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Hanoi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hanoi.
Can I find deals for business class flights from Dulles Intl to Hanoi?
Yes. Cheapflights offers flight deals from Dulles Intl to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hanoi?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hanoi (average of $864). Flying from Washington, D.C. Dulles Intl Airport to Hanoi in December is currently the most expensive (average of $1,600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Dulles Intl to Hanoi

Airline	Cheapest	Average	Flexibility	On-time
Korean Air	Cheapest$821	Average$1,348	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$941	Average$1,022	FlexibilityNo cancel fee	On-time69%
Turkish Airlines	Cheapest$963	Average$1,114	FlexibilityNo cancel fee	On-time77%
Qatar Airways	Cheapest$1,211	Average$1,493	FlexibilityNo cancel fee	On-time68%

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$442+ Cheap flights from Dulles Intl (IAD) to Hanoi (HAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Hanoi with Cheapflights

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3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hanoi Noibai are usually found in November or October, booked 20 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Hanoi

Round-trip from

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Find flight deals from Dulles Intl to Hanoi

Cheapest flights from Dulles Intl to HanoiExplore the most affordable flight options available from Dulles Intl to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Dulles Intl to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hanoi that are best for you.

Best time to book a flight from Dulles Intl to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Hanoi

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Hanoi?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hanoi?

What is the cheapest time of day to fly from IAD to HAN?

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Hanoi?

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Hanoi?

Reviews of airlines servicing Hanoi

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Hanoi, such as Korean Air, Qatar Airways, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Hanoi from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Hanoi?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Hanoi round-trip?

Can I find deals for flights from Dulles Intl to Hanoi that include hotel bookings?

How can I find direct flights from Dulles Intl to Hanoi?

Can I find deals for business class flights from Dulles Intl to Hanoi?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hanoi?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Hanoi

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Top 4 airlines flying from Dulles Intl to Hanoi

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Cheapest flights from Dulles Intl to Hanoi
Explore the most affordable flight options available from Dulles Intl to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.