$475 Cheap Flights from Washington (DCA) to Hanoi (HAN)

View $475 flight on Tue, Feb 3, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN)

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Cheap Flights from Washington to Hanoi (DCA-HAN)

Prices were available within the past 7 days and start at $475 for one-way flights and $958 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sun, Jan 25 - Tue, Feb 3
DCA
Washington
HAN
Hanoi
$958 Roundtrip, found 14 hours ago
$958
Roundtrip
found 14 hours ago
Select JetBlue Airways flight, departing Sun, Jan 25 from Washington to Hanoi, returning Tue, Feb 3, priced at $958 found 14 hours ago
Delta
Mon, Nov 3 - Wed, Nov 12
DCA
Washington
HAN
Hanoi
$970 Roundtrip, found 1 day ago
$970
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 3 from Washington to Hanoi, returning Wed, Nov 12, priced at $970 found 1 day ago
Korean Air
Mon, Mar 2 - Wed, Mar 18
DCA
Washington
HAN
Hanoi
$976 Roundtrip, found 1 day ago
$976
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Mar 2 from Washington to Hanoi, returning Wed, Mar 18, priced at $976 found 1 day ago
United
Sun, Jan 11 - Tue, Jan 20
DCA
Washington
HAN
Hanoi
$988 Roundtrip, found 17 hours ago
$988
Roundtrip
found 17 hours ago
Select United flight, departing Sun, Jan 11 from Washington to Hanoi, returning Tue, Jan 20, priced at $988 found 17 hours ago
Delta
Sun, Nov 9 - Tue, Nov 18
DCA
Washington
HAN
Hanoi
$988 Roundtrip, found 1 day ago
$988
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 9 from Washington to Hanoi, returning Tue, Nov 18, priced at $988 found 1 day ago
Korean Air
Sun, Mar 1 - Wed, Mar 18
DCA
Washington
HAN
Hanoi
$994 Roundtrip, found 1 day ago
$994
Roundtrip
found 1 day ago
Select Korean Air flight, departing Sun, Mar 1 from Washington to Hanoi, returning Wed, Mar 18, priced at $994 found 1 day ago
Cathay Pacific
Mon, Jan 26 - Tue, Feb 3
DCA
Washington
HAN
Hanoi
$998 Roundtrip, found 20 hours ago
$998
Roundtrip
found 20 hours ago
Select Cathay Pacific flight, departing Mon, Jan 26 from Washington to Hanoi, returning Tue, Feb 3, priced at $998 found 20 hours ago
United
Fri, Jan 23 - Thu, Feb 12
DCA
Washington
HAN
Hanoi
$1,000 Roundtrip, found 1 day ago
$1,000
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 23 from Washington to Hanoi, returning Thu, Feb 12, priced at $1,000 found 1 day ago
United
Sun, Jan 11 - Thu, Jan 15
DCA
Washington
HAN
Hanoi
$1,004 Roundtrip, found 17 hours ago
$1,004
Roundtrip
found 17 hours ago
Select United flight, departing Sun, Jan 11 from Washington to Hanoi, returning Thu, Jan 15, priced at $1,004 found 17 hours ago
United
Sun, Jan 11 - Fri, Jan 23
DCA
Washington
HAN
Hanoi
$1,006 Roundtrip, found 17 hours ago
$1,006
Roundtrip
found 17 hours ago
Select United flight, departing Sun, Jan 11 from Washington to Hanoi, returning Fri, Jan 23, priced at $1,006 found 17 hours ago

Alternative airports near Hanoi

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Noi Bai Intl. HAN. Cheapest and Closest option available. Average driving time to city center is 24 minutes. Flights from $1,417
HAN
Noi Bai Intl.
CheapestClosest
Average driving time to city center24 min
Flights from $1,417

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN) cost?
Secure a cheap one-way flight from $475 or cheap return flight from $958 from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN)?
The cheapest month to fly from DCA to HAN is January, when there's less demand. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to HAN flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN)?
You'll need to take a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from DCA to HAN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN)?
To reach Noi Bai Intl. Airport (HAN) on time, select a flight that leaves Ronald Reagan Washington National Airport (DCA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN) last-minute?
Last-minute fares from DCA to HAN are typically more expensive. To lock in the lowest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book a DCA to HAN flight and hotel package?
Opting for a DCA to HAN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Noi Bai Intl. Airport (HAN)?
If you booked your DCA to HAN flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Noi Bai Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Cathay Pacific, Delta, Emirates, Japan Airlines, Korean Air, Qatar Airways, United
Roundtrip price
$957
Distance
8282 mi

Book with confidence

Book with confidence

Washington to Hanoi Flights

The cheapest times to fly from Washington to Hanoi

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Hanoi are during the month of January. You can find some of the cheapest flights from Washington to Hanoi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Hanoi

Sunday is one of the best days to book for cheap flights from Washington to Hanoi: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Hanoi

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Hanoi in 2025. You can also book with separate airlines for your outbound and return journeys, from $475 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Hanoi flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Hanoi airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Hanoi Flights

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*Available to One Key members.