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Hanoi

$407+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HAN
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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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 February 11, 2026.

This FlightHub deal was found by Cheapflights users on 2/8. 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.
Mon 8/249:45 pm
IAD
-
HAN
1 stop30h 55m
Turkish Airlines
Sun 9/610:55 pm
HAN
-
IAD
1 stop23h 40m
Turkish Airlines
Deal found 2/8$826
This oojo deal was found by Cheapflights users on 2/8. 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.
Sun 9/209:45 pm
IAD
-
HAN
1 stop30h 55m
Turkish Airlines
Mon 9/2810:55 pm
HAN
-
IAD
1 stop23h 40m
Turkish Airlines
Deal found 2/8$875
This FlightHub deal was found by Cheapflights users on 2/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:11 pm
IAD
-
HAN
2 stops34h 39m
STARLUX Airlines
Wed 4/295:50 pm
HAN
-
IAD
2 stops47h 00m
STARLUX Airlines
Deal found 2/11$917
This Korean Air deal was found by Cheapflights users on 2/8. 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.
Tue 3/311:15 pm
IAD
-
HAN
1 stop21h 20m
Korean Air
Sun 4/1911:10 pm
HAN
-
IAD
1 stop23h 05m
Korean Air
Deal found 2/8$936
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:37 pm
IAD
-
HAN
2 stops29h 18m
Cathay Pacific
Mon 4/207:10 pm
HAN
-
IAD
2 stops45h 30m
Cathay Pacific
Deal found 2/9$941
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:00 am
IAD
-
HAN
2 stops27h 35m
Delta
Tue 4/2111:10 pm
HAN
-
IAD
2 stops35h 45m
Delta
Deal found 2/9$947
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:52 pm
IAD
-
HAN
2 stops37h 18m
Cathay Pacific
Thu 4/1610:55 am
HAN
-
IAD
2 stops41h 14m
Cathay Pacific
Deal found 2/10$949
This Korean Air deal was found by Cheapflights users on 2/8. 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.
Thu 4/21:15 pm
IAD
-
HAN
1 stop21h 20m
Korean Air
Sun 4/1911:10 pm
HAN
-
IAD
1 stop23h 05m
Korean Air
Deal found 2/8$950
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:15 pm
IAD
-
HAN
2 stops57h 25m
Delta
Wed 4/2211:10 pm
HAN
-
IAD
2 stops35h 45m
Delta
Deal found 2/10$954
This oojo deal was found by Cheapflights users on 2/8. 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.
Wed 4/85:59 pm
IAD
-
HAN
2 stops37h 11m
Cathay Pacific
Wed 4/2210:55 am
HAN
-
IAD
2 stops23h 31m
Cathay Pacific
Deal found 2/8$956
This Korean Air deal was found by Cheapflights users on 2/9. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:15 pm
IAD
-
HAN
1 stop34h 35m
Korean Air
Tue 4/2111:10 pm
HAN
-
IAD
2 stops29h 58m
Korean Air
Deal found 2/9$961

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$917
(FlightHub)

One-way from

$407
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,353
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. 7% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 11, 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

Dulles Intl

Fly to

Hanoi

Route

Depart

Return

Price

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 3/31

1:15 pm-9:35 pm

1 stop21h 20m

Hanoi Noibai

Sun 4/19

11:10 pm-11:15 am

1 stop23h 05m

$936

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 3/31

7:00 am-9:35 pm

2 stops27h 35m

Hanoi Noibai

Wed 4/22

11:10 pm-11:55 pm

2 stops35h 45m

$947

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sat 4/18

6:30 pm-9:35 pm

2 stops40h 05m

Hanoi Noibai

Mon 4/27

11:10 pm-11:55 pm

2 stops35h 45m

$1,001

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 4/6

1:15 pm-9:35 pm

1 stop21h 20m

Hanoi Noibai

Thu 4/16

11:10 pm-8:52 pm

2 stops32h 42m

$1,046

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 4/22

1:15 pm-10:50 am

1 stop34h 35m

Hanoi Noibai

Fri 5/1

11:10 pm-6:08 pm

2 stops29h 58m

$1,056

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 4/21

1:15 pm-10:50 am

1 stop34h 35m

Hanoi Noibai

Fri 5/1

11:10 pm-6:08 pm

2 stops29h 58m

$1,056

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 4/23

10:11 am-9:35 pm

2 stops24h 24m

Hanoi Noibai

Fri 5/1

11:10 pm-6:08 pm

2 stops29h 58m

$1,061

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 4/19

6:50 pm-10:50 am

2 stops53h 00m

Hanoi Noibai

Fri 5/1

11:10 pm-6:08 pm

2 stops29h 58m

$1,067

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 4/21

8:20 pm-2:00 pm

1 stop30h 40m

Hanoi Noibai

Mon 4/27

9:35 am-8:40 am

1 stop34h 05m

$1,068

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Fri 4/17

1:15 pm-9:35 pm

1 stop21h 20m

Hanoi Noibai

Fri 5/1

11:10 pm-6:08 pm

2 stops29h 58m

$1,096

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 21 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
BudgetAirPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Hanoi flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 6, 2026.

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 $1,150). 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.

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 February 11, 2026.
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
1,191 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

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
1,191 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

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
3,731 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

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
9,275 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

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
4,211 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

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
2,894 reviews
Korean Air
8.4
Very good
1,191 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

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 20m. Korean Air provides one of the quickest options available for as low as $936. 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 36% 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?

    $438 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 $1,150). 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 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$819Average$1,203FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$965Average$1,113FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$978Average$1,046FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,035Average$1,534FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,130Average$2,458FlexibilityNo cancel feeOn-time62%

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