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Hanoi

$390+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HAN
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 am
IAD
-
HAN
2 stops52h 35m
United Airlines
Wed 11/1112:25 am
HAN
-
IAD
2 stops30h 49m
United Airlines
Deal found 3/8$1,029
This oojo deal was found by Cheapflights users on 3/7. 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 4/298:20 pm
IAD
-
HAN
1 stop24h 45m
Qatar Airways
Sun 5/247:30 pm
HAN
-
IAD
1 stop24h 10m
Qatar Airways
Deal found 3/7$1,034
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:30 am
IAD
-
HAN
2 stops52h 35m
United Airlines
Mon 11/912:25 am
HAN
-
IAD
2 stops42h 20m
United Airlines
Deal found 3/8$1,036
This oojo deal was found by Cheapflights users on 3/7. 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 11/108:05 pm
IAD
-
HAN
1 stop35h 40m
Qatar Airways
Sat 11/211:45 am
HAN
-
IAD
1 stop26h 10m
Qatar Airways
Deal found 3/7$1,037
This oojo deal was found by Cheapflights users on 3/5. 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 3/1311:40 am
IAD
-
HAN
1 stop21h 05m
Qatar Airways
Thu 3/198:55 am
HAN
-
IAD
1 stop43h 00m
Qatar Airways
Deal found 3/5$1,038
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:10 pm
IAD
-
HAN
2 stops61h 55m
United Airlines
Wed 11/1112:25 am
HAN
-
IAD
2 stops32h 10m
United Airlines
Deal found 3/8$1,040
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:20 pm
IAD
-
HAN
1 stop30h 40m
Multiple Airlines
Mon 5/1812:20 pm
HAN
-
IAD
2 stops42h 10m
Multiple Airlines
Deal found 3/7$1,041
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:10 pm
IAD
-
HAN
2 stops61h 55m
United Airlines
Sun 11/812:25 am
HAN
-
IAD
1 stop27h 15m
United Airlines
Deal found 3/8$1,042
This Justfly.com deal was found by Cheapflights users on 3/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:05 pm
IAD
-
HAN
1 stop23h 50m
Qatar Airways
Thu 11/121:45 am
HAN
-
IAD
1 stop26h 10m
Qatar Airways
Deal found 3/8$1,044
This oojo deal was found by Cheapflights users on 3/8. 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 11/18:05 pm
IAD
-
HAN
1 stop22h 50m
Qatar Airways
Thu 11/127:10 pm
HAN
-
IAD
1 stop32h 45m
Qatar Airways
Deal found 3/8$1,046
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:10 pm
IAD
-
HAN
2 stops61h 55m
United Airlines
Sat 11/1412:25 am
HAN
-
IAD
2 stops42h 20m
United Airlines
Deal found 3/8$1,047
This oojo deal was found by Cheapflights users on 3/10. 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.
Sun 4/198:20 pm
IAD
-
HAN
1 stop30h 40m
Qatar Airways
Wed 4/299:35 am
HAN
-
IAD
1 stop34h 05m
Qatar Airways
Deal found 3/10$1,049

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,034
(oojo)

One-way from

$390
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,100
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. 10% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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

Cheapest round-trip
Quickest round-trip

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 4/7

1:15 pm-9:35 pm

1 stop21h 20m

Hanoi Noibai

Wed 4/15

11:10 pm-4:31 pm

2 stops28h 21m

$1,056

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 4/15

5:30 pm-10:30 am

2 stops30h 00m

Hanoi Noibai

Thu 4/30

11:30 am-5:50 am

2 stops29h 20m

$1,146

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 6/3

7:00 am-10:15 pm

3 stops52h 15m

Hanoi Noibai

Mon 7/13

11:35 pm-12:55 am

2 stops36h 20m

$1,209

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 4/5

9:00 pm-7:55 pm

1 stop35h 55m

Hanoi Noibai

Mon 4/13

7:10 pm-4:05 pm

2 stops31h 55m

$1,212

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 6/2

5:55 pm-10:15 pm

2 stops65h 20m

Hanoi Noibai

Mon 7/13

11:35 pm-12:55 am

2 stops36h 20m

$1,223

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 7/27

8:33 am-10:15 pm

2 stops26h 42m

Hanoi Noibai

Wed 8/12

11:35 pm-12:40 am

2 stops36h 05m

$1,227

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 5/27

5:55 pm-10:35 pm

2 stops65h 40m

Hanoi Noibai

Wed 8/19

11:35 pm-1:17 am

2 stops60h 42m

$1,266

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 4/9

3:00 am-3:40 pm

1 stop23h 40m

$1,452

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 4/1

11:00 am-7:55 pm

1 stop21h 55m

Hanoi Noibai

Sat 4/11

8:45 am-8:45 am

1 stop35h 00m

$1,495
Cheapest one-way

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 3/30

3:10 pm-6:35 pm

3 stops40h 25m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 18 resultsSorted by cheapest first
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 March.
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
JustAirTicketPrice Accuracy-Trust Score*1 star
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 March 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 $658). Flying from Washington, D.C. Dulles Intl Airport to Hanoi in June is currently the most expensive (average of $1,144). 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.

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 March 10, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Hanoi, such as Korean Air,Qatar Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

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
1,202 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

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
3,744 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

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
9,413 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

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
4,249 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

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
2,900 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Comfort

8.3

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 6 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. Delta provides one of the quickest options available for as low as $1,056. 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 Delta and Turkish Airlines - these airlines can fly you to your destination from $947 and $965, respectively. Korean Air is currently priced 34% 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 $658). Flying from Washington, D.C. Dulles Intl Airport to Hanoi in June is currently the most expensive (average of $1,144). 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

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Top 6 airlines flying from Dulles Intl to Hanoi

Discover the top 6 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$819Average$1,162FlexibilityNo cancel feeOn-time81%
DeltaCheapest$947Average$1,150FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$965Average$1,068FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$978Average$1,046FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$983Average$1,484FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,130Average$2,458FlexibilityNo cancel feeOn-time62%

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