$446 Cheap Flights from Washington (DCA) to Hanoi (HAN)

View $446 flight on Tue, Sep 23, 2025Opens 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 $446 for one-way flights and $832 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, Sep 24 - Wed, Nov 19
DCA
Washington
HAN
Hanoi
$832 Roundtrip, found 2 hours ago
$832
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Wed, Sep 24 from Washington to Hanoi, returning Wed, Nov 19, priced at $832 found 2 hours ago
Korean Air
Tue, Sep 23 - Tue, Oct 14
DCA
Washington
HAN
Hanoi
$868 Roundtrip, found 6 hours ago
$868
Roundtrip
found 6 hours ago
Select Korean Air flight, departing Tue, Sep 23 from Washington to Hanoi, returning Tue, Oct 14, priced at $868 found 6 hours ago
Korean Air
Mon, Sep 29 - Mon, Oct 6
DCA
Washington
HAN
Hanoi
$873 Roundtrip, found 1 day ago
$873
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Sep 29 from Washington to Hanoi, returning Mon, Oct 6, priced at $873 found 1 day ago
Korean Air
Wed, Sep 10 - Sun, Sep 21
DCA
Washington
HAN
Hanoi
$880 Roundtrip, found 4 days ago
$880
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Sep 10 from Washington to Hanoi, returning Sun, Sep 21, priced at $880 found 4 days ago
Korean Air
Wed, Sep 24 - Wed, Nov 19
DCA
Washington
HAN
Hanoi
$882 Roundtrip, found 2 hours ago
$882
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Wed, Sep 24 from Washington to Hanoi, returning Wed, Nov 19, priced at $882 found 2 hours ago
Korean Air
Wed, Aug 27 - Tue, Sep 23
DCA
Washington
HAN
Hanoi
$888 Roundtrip, found 7 hours ago
$888
Roundtrip
found 7 hours ago
Select Korean Air flight, departing Wed, Aug 27 from Washington to Hanoi, returning Tue, Sep 23, priced at $888 found 7 hours ago
Delta
Thu, Sep 25 - Wed, Oct 22
DCA
Washington
HAN
Hanoi
$917 Roundtrip, found 4 days ago
$917
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 25 from Washington to Hanoi, returning Wed, Oct 22, priced at $917 found 4 days ago
United
Wed, Nov 26 - Wed, Dec 3
DCA
Washington
HAN
Hanoi
$945 Roundtrip, found 21 hours ago
$945
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Nov 26 from Washington to Hanoi, returning Wed, Dec 3, priced at $945 found 21 hours ago
All Nippon Airways
Mon, Aug 25 - Mon, Sep 8
DCA
Washington
HAN
Hanoi
$977 Roundtrip, found 15 hours ago
$977
Roundtrip
found 15 hours ago
Select All Nippon Airways flight, departing Mon, Aug 25 from Washington to Hanoi, returning Mon, Sep 8, priced at $977 found 15 hours ago
Cathay Pacific
Wed, Oct 1 - Tue, Oct 28
DCA
Washington
HAN
Hanoi
$1,028 Roundtrip, just found
$1,028
Roundtrip
just found
Select Cathay Pacific flight, departing Wed, Oct 1 from Washington to Hanoi, returning Tue, Oct 28, priced at $1,028 just found

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 $1,018
HAN
Noi Bai Intl.
CheapestClosest
Average driving time to city center24 min
Flights from $1,018
Flights from Washington (DCA) to Hanoi (HAN)
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, Singapore Airlines, United
Roundtrip price
$831
Distance
8282 mi

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 September. 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 $446 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.

 

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 $446 or cheap return flight from $832 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 September, 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.

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*Available to One Key members.