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$397+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HAN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hanoi Noibai are usually found in September or November, booked 20 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap 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 December 12, 2025.

This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:30 pmIAD - HAN
2 stops35h 30mMultiple Airlines
Mon 1/121:20 pmHAN - IAD
1 stop41h 10mMultiple Airlines
Deal found 12/10$1,486
This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:30 pmIAD - HAN
2 stops35h 30mMultiple Airlines
Mon 1/121:20 pmHAN - IAD
1 stop41h 10mMultiple Airlines
Deal found 12/10$1,526
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:20 amIAD - HAN
2 stops26h 45mUnited Airlines
Sun 1/1112:25 amHAN - IAD
2 stops52h 10mUnited Airlines
Deal found 12/10$1,614
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:10 pmIAD - HAN
2 stops36h 55mUnited Airlines
Thu 1/1512:25 amHAN - IAD
2 stops32h 48mUnited Airlines
Deal found 12/9$1,619
This Delta deal was found by Cheapflights users on 12/11. 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 12/286:00 amIAD - HAN
2 stops27h 45mDelta
Wed 1/711:05 pmHAN - IAD
2 stops26h 54mDelta
Deal found 12/11$1,778

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,161
(Ovago)

One-way from

$397
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$2,018
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. 4% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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 2/18

10:40 am-7:45 pm

1 stop21h 05m

Hanoi Noibai

Sun 3/29

7:30 pm-3:40 pm

1 stop31h 10m

$1,163

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 2/15

8:05 pm-12:20 pm

1 stop28h 15m

Hanoi Noibai

Sun 3/29

7:30 pm-3:40 pm

1 stop31h 10m

$1,163

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 3/10

12:50 pm-11:10 am

1 stop35h 20m

Hanoi Noibai

Tue 4/7

12:00 pm-11:15 am

1 stop34h 15m

$1,177

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 1/29

7:30 am-9:45 pm

2 stops26h 15m

Hanoi Noibai

Thu 2/12

12:20 pm-9:50 am

1 stop33h 30m

$1,186

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 3/1

11:50 am-11:10 am

1 stop35h 20m

Hanoi Noibai

Tue 4/7

11:10 pm-11:15 am

1 stop23h 05m

$1,197

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 1/29

8:05 pm-6:30 pm

2 stops34h 25m

Hanoi Noibai

Thu 2/12

1:45 am-3:55 pm

1 stop26h 10m

$1,197

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 2/16

10:00 am-1:10 pm

2 stops39h 10m

Hanoi Noibai

Tue 3/24

2:10 pm-9:00 am

3 stops29h 50m

$1,216

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 2/15

10:00 am-1:10 pm

2 stops39h 10m

Hanoi Noibai

Tue 3/24

2:10 pm-9:00 am

3 stops29h 50m

$1,216

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 6/10

7:10 am-10:40 am

2 stops40h 30m

Hanoi Noibai

Tue 6/23

11:10 pm-11:15 am

1 stop23h 05m

$1,220

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 1/25

11:50 am-9:45 pm

1 stop21h 55m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 17 results
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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 December.
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
OvagoPrice Accuracy2 starsTrust Score*2 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 December 5, 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 $1,324). 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 December 12, 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 December 12, 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
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
3,677 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
9,094 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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
4,090 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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!!
JetBlue
7.2
Good
2,899 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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 5 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 05m. Qatar Airways provides one of the quickest options available for as low as $1,163. 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 Turkish Airlines and United Airlines - these airlines can fly you to your destination from $965 and $978, respectively. Korean Air is currently priced 38% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Hanoi one-way?

    $440 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on United Airlines and Qatar Airways, with prices starting from $508 and $522, respectively.

  • 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 $1,324). 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 5 airlines flying from Dulles Intl to Hanoi

Discover the top 5 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$819Average$1,319FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$965Average$1,170FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$978Average$1,046FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$1,107Average$2,458FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$1,109Average$1,531FlexibilityNo cancel feeOn-time68%

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