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$664+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HAN
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 April 29, 2026.

This oojo deal was found by Cheapflights users on 4/24. 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 10/139:30 am
DCA
-
HAN
2 stops45h 10m
Singapore Airlines
Thu 10/2212:40 pm
HAN
-
DCA
2 stops42h 20m
Singapore Airlines
Deal found 4/24$1,125
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:30 am
DCA
-
HAN
2 stops43h 55m
Multiple Airlines
Tue 11/1712:45 pm
HAN
-
DCA
2 stops43h 15m
Multiple Airlines
Deal found 4/24$1,181
This BusinessClass deal was found by Cheapflights users on 4/26. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:20 am
DCA
-
HAN
2 stops24h 50m
Multiple Airlines
Tue 9/1510:55 am
HAN
-
DCA
2 stops24h 03m
Multiple Airlines
Deal found 4/26$1,211
This BusinessClass deal was found by Cheapflights users on 4/27. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am
DCA
-
HAN
2 stops24h 40m
Multiple Airlines
Wed 9/3010:55 am
HAN
-
DCA
2 stops24h 03m
Multiple Airlines
Deal found 4/27$1,212
This KAYAK deal was found by Cheapflights users on 4/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:25 pm
DCA
-
HAN
2 stops31h 30m
Cathay Pacific
Thu 10/2210:55 am
HAN
-
DCA
2 stops24h 03m
Cathay Pacific
Deal found 4/24$1,262
This FlightHub deal was found by Cheapflights users on 4/25. 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.
Wed 9/26:20 am
DCA
-
HAN
2 stops24h 50m
Multiple Airlines
Thu 9/1010:55 am
HAN
-
DCA
2 stops24h 03m
Multiple Airlines
Deal found 4/25$1,270
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:30 am
DCA
-
HAN
2 stops42h 55m
Multiple Airlines
Fri 10/3012:45 pm
HAN
-
DCA
2 stops42h 15m
Multiple Airlines
Deal found 4/26$1,271
This FlightHub deal was found by Cheapflights users on 4/25. 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 11/26:59 pm
DCA
-
HAN
2 stops52h 36m
Multiple Airlines
Mon 11/166:20 pm
HAN
-
DCA
2 stops35h 39m
Multiple Airlines
Deal found 4/25$1,300
This oojo deal was found by Cheapflights users on 4/26. 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 10/289:30 am
DCA
-
HAN
2 stops44h 00m
China Airlines
Mon 11/95:30 pm
HAN
-
DCA
2 stops38h 30m
China Airlines
Deal found 4/26$1,315
This FlightHub deal was found by Cheapflights users on 4/25. 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 9/46:20 am
DCA
-
HAN
2 stops24h 50m
Multiple Airlines
Thu 9/1010:55 am
HAN
-
DCA
2 stops24h 03m
Multiple Airlines
Deal found 4/25$1,320
This FlightHub deal was found by Cheapflights users on 4/25. 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.
Wed 9/26:59 pm
DCA
-
HAN
2 stops28h 11m
Multiple Airlines
Fri 9/1111:10 am
HAN
-
DCA
2 stops43h 50m
Multiple Airlines
Deal found 4/25$1,321

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,125
(oojo)

One-way from

$664
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,142
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. 11% potential increase in price ($148 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 April 2026
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 April 29, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 9/3

9:30 am-4:50 pm

2 stops44h 20m

Hanoi Noibai

Wed 9/9

5:50 pm-8:00 pm

2 stops37h 10m

$1,356

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 9/24

7:30 am-10:15 pm

2 stops27h 45m

Hanoi Noibai

Mon 9/28

11:35 pm-10:26 pm

2 stops33h 51m

$1,389

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 10/20

6:38 am-6:10 pm

2 stops24h 32m

Hanoi Noibai

Thu 10/29

7:30 pm-8:16 pm

2 stops35h 46m

$1,656
Quickest round-trip

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 5/19

10:19 am-9:35 pm

2 stops24h 16m

Hanoi Noibai

Tue 5/26

12:05 pm-11:30 pm

2 stops22h 25m

$1,676

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 5/14

9:59 am-4:50 pm

2 stops67h 51m

Hanoi Noibai

Fri 6/5

12:05 pm-8:06 pm

2 stops43h 01m

$1,677

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Fri 10/9

6:59 pm-11:05 am

2 stops29h 06m

Hanoi Noibai

Sun 10/25

6:20 pm-2:35 pm

3 stops31h 15m

$1,698

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 6/10

6:59 am-9:35 pm

2 stops27h 36m

Hanoi Noibai

Wed 6/17

11:10 pm-4:59 pm

2 stops28h 49m

$1,736

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 7/16

6:00 am-9:35 pm

2 stops28h 35m

Hanoi Noibai

Thu 7/30

11:10 pm-5:30 pm

2 stops29h 20m

$1,756

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 7/15

10:15 am-9:35 pm

2 stops24h 20m

Hanoi Noibai

Thu 7/23

11:10 pm-4:59 pm

2 stops28h 49m

$1,756
Cheapest one-way
Quickest one-way

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 7/21

9:30 am-10:15 pm

2 stops25h 45m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 20 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Hanoi flight deals on Cheapflights vs. FlightHub >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 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. 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 24h 16m. 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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