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$451+ Cheap flights from Washington, D.C. (WAS) 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HAN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Hanoi Noibai are usually found in September or October, booked 34 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Hanoi

Cheapest flights from Washington, D.C. to Hanoi
Explore the most affordable flight options available from Washington, D.C. to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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.
Fri 12/264:59 pmDCA - HAN
2 stops40h 46mDelta
Tue 12/3012:20 pmHAN - DCA
2 stops39h 29mDelta
Deal found 12/15$1,568
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Sat 12/278:05 pmIAD - HAN
1 stop22h 50mQatar Airways
Mon 12/298:55 amHAN - IAD
1 stop43h 00mQatar Airways
Deal found 12/15$1,578
This United Airlines deal was found by Cheapflights users on 12/15. 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 stops43h 10mUnited Airlines
Deal found 12/15$1,583
This Ovago deal was found by Cheapflights users on 12/15. 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 12/2410:40 amIAD - HAN
1 stop21h 05mQatar Airways
Mon 12/298:55 amHAN - IAD
1 stop43h 00mQatar Airways
Deal found 12/15$1,590
This Ovago deal was found by Cheapflights users on 12/15. 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 12/2410:40 amIAD - HAN
1 stop21h 05mQatar Airways
Sat 12/273:00 amHAN - IAD
1 stop24h 55mQatar Airways
Deal found 12/15$1,627
This Delta deal was found by Cheapflights users on 12/15. 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.
Sat 12/274:56 pmDCA - HAN
2 stops30h 14mDelta
Tue 12/3012:20 pmHAN - DCA
2 stops39h 29mDelta
Deal found 12/15$1,661
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Thu 12/258:05 pmIAD - HAN
1 stop35h 40mQatar Airways
Mon 12/298:55 amHAN - IAD
1 stop43h 00mQatar Airways
Deal found 12/15$1,699
This oojo deal was found by Cheapflights users on 12/17. 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 12/289:36 amDCA - HAN
2 stops44h 54mCathay Pacific
Wed 1/77:30 pmHAN - DCA
2 stops39h 30mCathay Pacific
Deal found 12/17$1,702
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 12/269:47 amIAD - HAN
2 stops49h 18mUnited Airlines
Mon 12/2912:25 amHAN - IAD
1 stop20h 45mUnited Airlines
Deal found 12/15$1,707
This Delta deal was found by Cheapflights users on 12/15. 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.
Fri 12/264:59 pmDCA - HAN
2 stops40h 46mDelta
Mon 12/2911:05 pmHAN - DCA
2 stops27h 18mDelta
Deal found 12/15$1,723
This Qatar Airways deal was found by Cheapflights users on 12/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:40 amIAD - HAN
1 stop21h 05mQatar Airways
Sat 12/277:10 pmHAN - IAD
1 stop25h 10mQatar Airways
Deal found 12/15$1,732
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Fri 12/268:05 pmIAD - HAN
1 stop22h 50mQatar Airways
Mon 12/298:55 amHAN - IAD
1 stop43h 00mQatar Airways
Deal found 12/15$1,735

Find flight deals from Washington, D.C. to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$938
(FlightHub)

One-way from

$451
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,935
Provider with most accurate pricing for Washington, D.C. (WAS)-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Hanoi Noibai flights.
Search Deals
From Washington, D.C. (WAS) to Hanoi Noibai
Search Deals
One-way flight from Washington, D.C. (WAS) to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($73 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 December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Hanoi that are best for you.

Fly from

Washington, D.C.

Fly to

Hanoi

Route

Depart

Return

Price

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Wed 2/25

8:20 am-10:20 am

2 stops38h 00m

Hanoi Noibai

Tue 3/10

5:30 pm-5:46 pm

2 stops35h 16m

$1,080

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Sat 1/31

1:25 pm-10:35 am

2 stops33h 10m

Hanoi Noibai

Sat 2/7

5:30 pm-2:05 pm

2 stops32h 35m

$1,125

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Mon 1/12

5:18 pm-11:05 pm

2 stops65h 47m

Hanoi Noibai

Mon 1/26

12:25 am-2:11 pm

3 stops49h 46m

$1,134

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Sun 1/25

6:20 am-10:35 am

3 stops40h 15m

Hanoi Noibai

Mon 2/9

5:30 pm-6:14 pm

2 stops36h 44m

$1,165

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Fri 1/30

6:10 pm-4:30 pm

2 stops34h 20m

Hanoi Noibai

Fri 2/6

11:35 am-9:40 pm

2 stops22h 05m

$1,170

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 1/27

11:50 am-9:45 pm

1 stop21h 55m

Hanoi Noibai

Thu 1/29

11:05 pm-11:10 pm

2 stops36h 05m

$1,188

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 1/25

10:40 am-10:05 am

2 stops35h 25m

Hanoi Noibai

Fri 1/30

8:55 am-3:55 pm

1 stop43h 00m

$1,200

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Fri 2/27

9:35 am-10:05 am

2 stops36h 30m

Hanoi Noibai

Sun 3/8

7:30 pm-4:37 pm

2 stops32h 07m

$1,205

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 1/26

11:50 am-9:45 pm

1 stop21h 55m

Hanoi Noibai

Sun 2/1

12:20 pm-7:09 pm

2 stops42h 49m

$1,208

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Sun 2/15

6:46 pm-11:35 am

2 stops28h 49m

Hanoi Noibai

Wed 3/25

6:20 pm-12:55 pm

2 stops29h 35m

$1,214

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 59 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Hanoi in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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.-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.-Hanoi flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-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.-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 Washington, D.C. to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Washington, D.C. 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. to Hanoi

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Hanoi. Price data was last updated on December 12, 2025.

The best time to book flights from Washington, D.C. to Hanoi is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Hanoi (average of $633). Flying from Washington, D.C. 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 WAS to HAN?

Find hourly flight availability from Washington, D.C. 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 18, 2025.

When flying from Washington, D.C. to Hanoi, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 16% versus a flight at noon.

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

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

Travelers seeking maximum savings on their Washington, D.C. 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.

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 18, 2025.
Peruse reviews from past customers who have flown with Korean Air, Delta, and Qatar Airways from Washington, D.C. to Hanoi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.9
Good
8,008 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Qatar Airways
7.4
Good
3,686 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Turkish Airlines
7.3
Good
4,103 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
JetBlue
7.2
Good
2,896 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

    Hanoi Noibai (HAN) is the airport you will fly into if you book a flight from Washington, D.C. to Hanoi. You should not have trouble finding flights to Noibai from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Hanoi airport from Washington, D.C.. It is only a 14.2 mi journey from Noibai (HAN) to Hanoi’s city center.

  • How long is the flight from Washington, D.C. to Hanoi?

    There are many flights that can get you from Washington, D.C. to Hanoi in 21h 55m. Fly via United Airlines, Delta, or Qatar Airways to get the fastest option. Washington, D.C. 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. to Hanoi round-trip?

    Korean Air, at $819, was found to be the cheapest airline from Washington, D.C. to Hanoi.Alternate airlines to your destination round-trip include Turkish Airlines and United Airlines. You may be able to fly from Washington, D.C. to Hanoi for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. 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.

  • What are the most popular routes from Washington, D.C. to Hanoi?

    Most travelers choose Washington, D.C. Dulles Intl - Hanoi Noibai, Washington, D.C. Reagan-National - Hanoi Noibai or Baltimore/Washington - Hanoi Noibai when deciding on the best route from Washington, D.C. to Hanoi.

  • Where are the most common layover locations when flying from Washington, D.C. to Hanoi?

    Most of the time, Washington, D.C. to Hanoi flights that have layovers will stop in Doha.

  • Where are the least popular layover locations for Washington, D.C. to Hanoi flights?

    Washington, D.C. to Hanoi flights have a layover in Seoul least often.

  • Can I find deals for flights from Washington, D.C. to Hanoi that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Hanoi?

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

  • Can I find deals for business class flights from Washington, D.C. to Hanoi?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Hanoi?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Hanoi (average of $633). Flying from Washington, D.C. 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 Washington, D.C. to Hanoi

Discover the top 5 airlines that operate flights from Washington, D.C. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$819Average$1,324FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$965Average$1,146FlexibilityNo 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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