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$527+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HAN
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
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 August 10, 2026.

This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:30 am -
2 stops26h 35m
Tue 1/1212:25 am -
2 stops30h 27m
Deal found 8/7$1,122
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:30 am -
2 stops25h 45m
Tue 10/2712:25 am -
2 stops30h 46m
Deal found 8/8$1,124
This FlightHub deal was found by Cheapflights users on 8/6. 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 10/279:30 am -
2 stops26h 35m
Mon 11/912:25 am -
2 stops30h 50m
Deal found 8/6$1,126
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:30 am -
2 stops25h 45m
Tue 9/1511:35 pm -
2 stops31h 34m
Deal found 8/5$1,127
This FlightHub deal was found by Cheapflights users on 8/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:30 am -
2 stops25h 45m
Wed 9/2311:35 pm -
2 stops25h 48m
Deal found 8/7$1,133
This FlightHub deal was found by Cheapflights users on 8/8. 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 9/79:30 am -
2 stops25h 45m
Sun 9/1311:35 pm -
2 stops31h 34m
Deal found 8/8$1,147
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 am -
2 stops25h 45m
Tue 9/2911:35 pm -
2 stops31h 34m
Deal found 8/7$1,153
This Expedia deal was found by Cheapflights users on 8/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:30 am -
2 stops27h 35m
Sat 1/2312:25 am -
2 stops30h 27m
Deal found 8/5$1,157
This KAYAK deal was found by Cheapflights users on 8/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
2 stops26h 35m
Mon 12/712:25 am -
2 stops30h 27m
Deal found 8/10$1,158
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 am -
2 stops26h 35m
Sun 12/612:25 am -
2 stops30h 27m
Deal found 8/10$1,162
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:30 am -
2 stops25h 45m
Tue 9/1511:35 pm -
2 stops31h 34m
Deal found 8/6$1,163
This KAYAK deal was found by Cheapflights users on 8/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 am -
2 stops25h 45m
Wed 9/2311:35 pm -
2 stops27h 07m
Deal found 8/7$1,164

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 August 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,122
(United Airlines)

One-way from

$527
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,308
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. 13% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 10, 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 Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Wed 10/21

6:00 am-10:15 pm

2 stops29h 15m

Hanoi Noibai

Sun 11/1

12:25 am-7:15 pm

2 stops30h 50m

$1,122

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Tue 9/22

8:30 am-10:15 pm

2 stops26h 45m

Hanoi Noibai

Sun 10/4

11:35 pm-9:05 pm

2 stops32h 30m

$1,122
Quickest round-trip

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Wed 9/9

9:30 am-10:15 pm

2 stops25h 45m

Hanoi Noibai

Tue 9/29

11:35 pm-8:09 pm

2 stops31h 34m

$1,153

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Wed 11/4

8:30 am-11:05 pm

2 stops26h 35m

Hanoi Noibai

Sat 11/7

12:25 am-8:11 pm

2 stops31h 46m

$1,162

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Thu 9/3

7:46 am-10:15 pm

2 stops27h 29m

Hanoi Noibai

Mon 9/14

11:35 pm-9:05 pm

2 stops32h 30m

$1,202

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Wed 9/2

9:30 am-10:15 pm

2 stops25h 45m

Hanoi Noibai

Mon 9/14

11:35 pm-9:05 pm

2 stops32h 30m

$1,202

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Thu 9/3

7:46 am-10:15 pm

2 stops27h 29m

Hanoi Noibai

Sun 9/13

11:35 pm-9:05 pm

2 stops32h 30m

$1,202

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Mon 9/7

6:05 am-9:35 pm

2 stops28h 30m

Hanoi Noibai

Mon 9/14

11:10 pm-8:37 pm

2 stops32h 27m

$1,207

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Mon 9/14

6:30 pm-10:35 am

2 stops29h 05m

Hanoi Noibai

Tue 9/22

11:10 pm-6:37 pm

2 stops30h 27m

$1,207

Washington, D.C.Hanoi

DCA Washington, D.C. Reagan-National - HAN Hanoi Noibai

DCAHAN

Washington, D.C. Reagan-National

Thu 9/24

6:05 am-9:35 pm

2 stops28h 30m

Hanoi Noibai

Wed 9/30

11:10 pm-9:43 pm

2 stops33h 33m

$1,207

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 22 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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 25h 45m. 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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