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$429+ Cheap flights from Reagan-National (DCA) 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HAN
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Reagan-National to Hanoi

Cheapest flights from Reagan-National to Hanoi
Explore the most affordable flight options available from Reagan-National to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This oojo deal was found by Cheapflights users on 12/1. 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 12/39:59 amDCA - HAN
2 stops36h 36mChina Airlines
Sun 12/75:30 pmHAN - DCA
2 stops38h 30mChina Airlines
Deal found 12/1$1,182
This oojo deal was found by Cheapflights users on 12/3. 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 12/89:41 amDCA - HAN
2 stops36h 24mCathay Pacific
Mon 1/127:30 pmHAN - DCA
2 stops35h 14mCathay Pacific
Deal found 12/3$1,296
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/1011:00 amDCA - HAN
2 stops48h 05mUnited Airlines
Mon 1/1912:25 amHAN - DCA
3 stops34h 11mUnited Airlines
Deal found 12/3$1,366
This oojo deal was found by Cheapflights users on 12/2. 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 12/91:48 pmDCA - HAN
2 stops29h 07mQatar Airways
Tue 12/163:00 amHAN - DCA
2 stops26h 55mQatar Airways
Deal found 12/2$1,387
This oojo deal was found by Cheapflights users on 12/3. 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 12/79:59 amDCA - HAN
2 stops37h 36mEVA Air
Tue 12/96:20 pmHAN - DCA
2 stops33h 48mEVA Air
Deal found 12/3$1,460
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/265:00 pmDCA - HAN
2 stops42h 05mUnited Airlines
Wed 1/711:50 pmHAN - DCA
2 stops34h 02mUnited Airlines
Deal found 12/1$1,595
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:10 pmDCA - HAN
3 stops31h 05mMultiple Airlines
Sun 1/112:00 amHAN - DCA
3 stops31h 56mMultiple Airlines
Deal found 12/3$1,604
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 12/154:05 pmDCA - HAN
2 stops43h 00mUnited Airlines
Sun 1/1112:25 amHAN - DCA
2 stops34h 23mUnited Airlines
Deal found 12/3$1,755
This oojo deal was found by Cheapflights users on 12/1. 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.
Sat 12/271:59 pmDCA - HAN
2 stops52h 56mQatar Airways
Fri 1/168:55 amHAN - DCA
2 stops37h 08mQatar Airways
Deal found 12/1$1,768
This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:05 amDCA - HAN
3 stops35h 00mMultiple Airlines
Wed 12/177:30 pmHAN - DCA
3 stops34h 35mMultiple Airlines
Deal found 12/2$1,809

Find flight deals from Reagan-National to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,175
(Ovago)

One-way from

$429
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,935
Provider with most accurate pricing for Washington, D.C. Reagan-National-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Hanoi Noibai flights.
Search Deals
From Washington, D.C. Reagan-National to Hanoi Noibai
Search Deals
One-way flight from Washington, D.C. Reagan-National to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($59 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 Reagan-National 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 3, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Hanoi that are best for you.

Fly from

Reagan-National

Fly to

Hanoi

Route

Depart

Return

Price

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 2/16

6:35 pm-10:05 am

2 stops27h 30m

Hanoi Noibai

Wed 2/25

11:05 am-4:58 pm

2 stops41h 53m

$1,181

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sat 1/17

7:00 am-11:05 pm

2 stops28h 05m

Hanoi Noibai

Fri 1/23

12:25 am-3:57 pm

3 stops51h 32m

$1,188

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 2/15

4:59 pm-10:05 am

2 stops29h 06m

Hanoi Noibai

Sun 3/1

11:05 am-4:58 pm

2 stops41h 53m

$1,216

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Fri 2/20

9:35 am-10:05 am

2 stops36h 30m

Hanoi Noibai

Tue 2/24

7:30 pm-4:06 pm

2 stops32h 36m

$1,231

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 2/15

9:20 am-6:30 pm

2 stops45h 10m

Hanoi Noibai

Wed 2/25

7:30 pm-4:58 pm

2 stops33h 28m

$1,231

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Fri 2/20

9:35 am-10:05 am

2 stops36h 30m

Hanoi Noibai

Wed 2/25

7:30 pm-4:58 pm

2 stops33h 28m

$1,231

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 2/16

6:35 pm-10:05 am

2 stops27h 30m

Hanoi Noibai

Sun 2/22

7:30 pm-6:59 pm

2 stops35h 29m

$1,235

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 2/18

9:37 am-10:05 am

2 stops36h 28m

Hanoi Noibai

Sun 2/22

11:05 am-6:59 pm

2 stops43h 54m

$1,235

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 1/22

6:10 am-6:30 pm

2 stops48h 20m

Hanoi Noibai

Thu 1/29

11:05 am-11:00 pm

2 stops23h 55m

$1,242

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Fri 2/6

9:35 am-10:05 am

2 stops36h 30m

Hanoi Noibai

Fri 2/20

11:05 am-3:59 pm

2 stops40h 54m

$1,255

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 24 results
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Compare providers for flights from Reagan-National 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 Reagan-National to Hanoi in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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. Reagan-National 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. Reagan-National Airport-Hanoi flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National 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. Reagan-National 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 Reagan-National to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Reagan-National 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    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. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Noibai (HAN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Hanoi?

    Departing from Washington, D.C. Reagan-National Airport to Hanoi will take you 27h 30m. Airlines will cover a distance of 8276 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Reagan-National to Hanoi that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Hanoi?

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

  • Can I find deals for business class flights from Reagan-National to Hanoi?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

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