HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hanoi

$470+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HAN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hanoi Noibai are usually found in January 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

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$855
(Korean Air)

One-way from

$470
(IEagle)

Popular in

December

Cheapest in

January

Average price

$1,155
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Hanoi Noibai flights.
Search Deals
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. 3% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 28, 2025.

This Korean Air deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:50 amIAD - HAN
1 stop35h 20mKorean Air
Sun 12/711:05 pmHAN - IAD
1 stop22h 45mKorean Air
Deal found 10/28$855
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amIAD - HAN
2 stops42h 10mDelta
Mon 11/2411:05 pmHAN - IAD
2 stops34h 27mDelta
Deal found 10/25$866
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amIAD - HAN
2 stops42h 10mDelta
Sat 11/2212:20 pmHAN - IAD
2 stops42h 06mDelta
Deal found 10/25$872
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amIAD - HAN
2 stops42h 10mDelta
Thu 11/2712:20 pmHAN - IAD
2 stops37h 08mDelta
Deal found 10/25$873
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:05 pmIAD - HAN
1 stop22h 50mQatar Airways
Tue 12/167:10 pmHAN - IAD
1 stop25h 10mQatar Airways
Deal found 10/26$903
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:40 amIAD - HAN
1 stop21h 05mQatar Airways
Fri 12/127:10 pmHAN - IAD
1 stop32h 45mQatar Airways
Deal found 10/27$905
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2311:50 amIAD - HAN
1 stop21h 55mDelta
Wed 12/1012:20 pmHAN - IAD
2 stops38h 20mDelta
Deal found 10/26$912
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:15 amIAD - HAN
2 stops39h 55mDelta
Sun 12/711:05 pmHAN - IAD
2 stops36h 22mDelta
Deal found 10/28$916
This oojo deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:40 amIAD - HAN
1 stop21h 05mQatar Airways
Tue 11/257:10 pmHAN - IAD
1 stop25h 10mQatar Airways
Deal found 10/25$941
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:40 amIAD - HAN
1 stop21h 05mQatar Airways
Sat 12/138:55 amHAN - IAD
1 stop35h 25mQatar Airways
Deal found 10/27$945
This Ovago deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:40 amIAD - HAN
1 stop21h 05mQatar Airways
Wed 12/107:10 pmHAN - IAD
1 stop32h 45mQatar Airways
Deal found 10/27$949

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
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

Dulles Intl

Fly to

Hanoi

Route

Depart

Return

Price

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/26

11:50 am-9:45 pm

1 stop21h 55m

Hanoi Noibai

Sun 12/7

12:20 pm-9:50 am

1 stop33h 30m

$855

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 3/25

12:50 pm-11:10 am

1 stop35h 20m

Hanoi Noibai

Wed 4/15

12:00 pm-1:59 pm

2 stops36h 59m

$866

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 3/23

12:50 pm-11:10 am

1 stop35h 20m

Hanoi Noibai

Wed 4/1

11:10 pm-9:13 pm

2 stops33h 03m

$912

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/12

10:40 am-7:45 pm

1 stop21h 05m

Hanoi Noibai

Sun 12/14

7:10 pm-3:55 pm

1 stop32h 45m

$1,030

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 3/8

12:50 pm-9:45 pm

1 stop21h 55m

Hanoi Noibai

Thu 3/12

11:05 pm-7:12 pm

2 stops31h 07m

$1,083

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 11/11

8:05 pm-6:30 pm

2 stops34h 25m

Hanoi Noibai

Mon 12/15

7:10 pm-3:55 pm

1 stop32h 45m

$1,123

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/26

10:08 pm-11:05 pm

2 stops36h 57m

Hanoi Noibai

Sat 12/6

12:25 am-4:00 pm

2 stops51h 35m

$1,144

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 2/2

2:35 pm-5:35 am

2 stops27h 00m

$475

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 3/11

11:40 am-7:45 pm

1 stop21h 05m

$482

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sat 3/21

3:35 pm-12:10 pm

3 stops33h 35m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 17 results
1
2

Compare providers for flights from Dulles Intl to Hanoi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Hanoi in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hanoi flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Hanoi flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hanoi flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Hanoi. Price data was last updated on October 24, 2025.

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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hanoi (average of $633). Flying from Washington, D.C. Dulles Intl Airport to Hanoi in June is currently the most expensive (average of $1,313). 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?

Find hourly flight availability from Dulles Intl to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

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 16% 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?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Hanoi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Hanoi flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday afternoons 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

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated October 28, 2025.
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
1,155 reviews

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

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!!
Qatar Airways
7.4
Good
3,659 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

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!!
United Airlines
7.4
Good
9,001 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

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!!
Turkish Airlines
7.3
Good
4,031 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

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!!

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?

    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 21h 55m. Korean Air provides one of the quickest options available for as low as $855. Washington, D.C. Dulles Intl Airport and Hanoi are separated by a distance of 8268 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $819, 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 $965, respectively. Korean Air is currently priced 40% 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hanoi (average of $633). Flying from Washington, D.C. Dulles Intl Airport to Hanoi in June is currently the most expensive (average of $1,313). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Dulles Intl to Hanoi

Discover the top 4 airlines that operate flights from Dulles Intl to Hanoi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$819Average$1,400FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$941Average$1,022FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$965Average$1,193FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,109Average$1,526FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights