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 26h 46m. 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.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Hanoi one-way?

For one-way options, check prices for ANA. According to our data, you can fly for as low as $507. Users have also found prices from $518 and $521 on Delta and Korean Air, respectively.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Hanoi?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Hanoi (average of $862). Flying from Washington, D.C. Reagan-National Airport to Hanoi in December is currently the most expensive (average of $1,597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Hanoi?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Hanoi flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

What is the cheapest time of day to fly from DCA to HAN?

When flying from Washington, D.C. Reagan-National Airport to Hanoi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$507+ Flights from Washington, D.C. Reagan-National Airport to Hanoi

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Cheap flight deals from Reagan-National to Hanoi

Round-trip from	$933 (Delta)
One-way from	$507 (FlightHub)
Popular in	June
Cheapest in	September
Average price	$906

From Washington, D.C. Reagan-National to Hanoi Noibai

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One-way flight from Washington, D.C. Reagan-National to Hanoi Noibai

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Highest demand for flights based on searches. 14% potential increase in price ($226 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find 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 September 17, 2025.

Mon 11/176:10 amDCA - HAN

2 stops27h 35mDelta

Wed 11/2612:20 pmHAN - DCA

2 stops23h 11mDelta

Deal found 9/16

$933

Thu 11/136:59 amDCA - HAN

2 stops26h 46mKorean Air

Tue 3/1711:05 pmHAN - DCA

2 stops30h 01mKorean Air

Deal found 9/16

$939

Sun 11/164:55 pmDCA - HAN

2 stops40h 50mDelta

Wed 11/2612:20 pmHAN - DCA

2 stops23h 11mDelta

Deal found 9/15

$943

Fri 10/177:59 amDCA - HAN

2 stops26h 36mKorean Air

Wed 10/2211:10 pmHAN - DCA

2 stops26h 50mKorean Air

Deal found 9/16

$969

Fri 11/146:06 amDCA - HAN

2 stops27h 39mDelta

Wed 11/2612:20 pmHAN - DCA

2 stops23h 21mDelta

Deal found 9/15

$970

Fri 11/146:59 amDCA - HAN

2 stops26h 46mKorean Air

Wed 3/1811:05 pmHAN - DCA

2 stops30h 01mKorean Air

Deal found 9/16

$976

Sun 11/167:00 amDCA - HAN

2 stops28h 05mUnited Airlines

Sun 2/1512:25 amHAN - DCA

2 stops31h 08mUnited Airlines

Deal found 9/16

$982

Mon 11/108:40 pmDCA - HAN

2 stops37h 05mKorean Air

Tue 3/1711:05 pmHAN - DCA

2 stops30h 01mKorean Air

Deal found 9/16

$989

Wed 11/127:00 amDCA - HAN

2 stops28h 05mUnited Airlines

Wed 2/1812:25 amHAN - DCA

2 stops31h 08mUnited Airlines

Deal found 9/16

$990

Sun 11/167:00 amDCA - HAN

2 stops28h 05mUnited Airlines

Wed 2/1812:25 amHAN - DCA

2 stops31h 08mUnited Airlines

Deal found 9/16

$1,000

Sun 11/236:06 amDCA - HAN

2 stops27h 39mDelta

Fri 12/512:20 pmHAN - DCA

2 stops22h 19mDelta

Deal found 9/16

$1,006

Wed 11/126:00 amDCA - HAN

2 stops29h 05mUnited Airlines

Sat 2/1412:25 amHAN - DCA

2 stops31h 08mUnited Airlines

Deal found 9/16

$1,008

Best flights from Reagan-National to Hanoi
Discover carefully curated flight deals from Reagan-National to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Mon 11/176:06 amDCA - HAN

2 stops27h 39mDelta

Wed 12/311:05 pmHAN - DCA

2 stops24h 32mDelta

Deal found 9/16

$933

Mon 11/176:59 amDCA - HAN

2 stops26h 46mKorean Air

Sun 12/711:05 pmHAN - DCA

2 stops25h 46mKorean Air

Deal found 9/16

$939

Mon 11/176:10 amDCA - HAN

2 stops27h 35mDelta

Wed 11/2612:20 pmHAN - DCA

2 stops23h 11mDelta

Deal found 9/16

$933

Tue 11/186:59 amDCA - HAN

2 stops26h 46mKorean Air

Sun 12/711:05 pmHAN - DCA

2 stops25h 46mKorean Air

Deal found 9/16

$939

Thu 11/136:59 amDCA - HAN

2 stops26h 46mKorean Air

Wed 3/1811:05 pmHAN - DCA

2 stops30h 01mKorean Air

Deal found 9/16

$939

Tue 11/186:06 amDCA - HAN

2 stops27h 39mDelta

Sun 12/712:20 pmHAN - DCA

2 stops23h 19mDelta

Deal found 9/15

$970

Tue 11/116:59 amDCA - HAN

2 stops26h 46mKorean Air

Tue 3/1711:05 pmHAN - DCA

2 stops30h 01mKorean Air

Deal found 9/16

$939

Sun 11/236:06 amDCA - HAN

2 stops27h 39mDelta

Wed 12/312:20 pmHAN - DCA

2 stops23h 19mDelta

Deal found 9/16

$970

Fri 10/177:59 amDCA - HAN

2 stops26h 36mKorean Air

Wed 10/2211:10 pmHAN - DCA

2 stops26h 50mKorean Air

Deal found 9/16

$969

Sun 11/236:06 amDCA - HAN

2 stops27h 39mDelta

Thu 12/412:20 pmHAN - DCA

2 stops21h 54mDelta

Deal found 9/16

$970

Fri 11/146:06 amDCA - HAN

2 stops27h 39mDelta

Wed 11/2612:20 pmHAN - DCA

2 stops23h 21mDelta

Deal found 9/15

$970

Thu 11/206:59 amDCA - HAN

2 stops40h 11mKorean Air

Thu 12/411:05 pmHAN - DCA

2 stops30h 54mKorean Air

Deal found 9/15

$976

Last-minute flights from Reagan-National to Hanoi
Discover last-minute flight deals from Reagan-National to Hanoi. Data last updated September 17, 2025 and is based on user searches.

Thu 9/188:30 amDCA - HAN

2 stops26h 45mMultiple Airlines

Mon 9/2911:35 pmHAN - DCA

2 stops34h 21mMultiple Airlines

Deal found 9/17

$1,076

Sun 9/218:25 amDCA - HAN

2 stops26h 10mKorean Air

Tue 9/2311:10 pmHAN - DCA

2 stops26h 53mKorean Air

Deal found 9/17

$976

Sun 9/289:00 amDCA - HAN

2 stops26h 15mUnited Airlines

Wed 10/1511:35 pmHAN - DCA

2 stops34h 08mUnited Airlines

Deal found 9/14

$1,000

Sun 9/286:00 amDCA - HAN

2 stops29h 15mUnited Airlines

Thu 10/1611:35 pmHAN - DCA

2 stops33h 02mUnited Airlines

Deal found 9/14

$1,018

Sun 9/289:00 amDCA - HAN

2 stops26h 15mUnited Airlines

Tue 10/1411:35 pmHAN - DCA

2 stops32h 16mUnited Airlines

Deal found 9/14

$1,073

Mon 9/296:00 amDCA - HAN

2 stops28h 35mDelta

Wed 10/1511:10 pmHAN - DCA

2 stops35h 31mDelta

Deal found 9/14

$1,068

Mon 9/298:25 amDCA - HAN

2 stops26h 10mKorean Air

Mon 10/1311:10 pmHAN - DCA

2 stops26h 50mKorean Air

Deal found 9/14

$1,074

Tue 9/309:00 amDCA - HAN

2 stops26h 15mUnited Airlines

Wed 10/1511:35 pmHAN - DCA

2 stops31h 31mUnited Airlines

Deal found 9/14

$1,055

Fri 10/177:59 amDCA - HAN

2 stops26h 36mKorean Air

Wed 10/2211:10 pmHAN - DCA

2 stops26h 50mKorean Air

Deal found 9/16

$969

Fri 10/177:59 amDCA - HAN

2 stops26h 36mKorean Air

Thu 10/2311:10 pmHAN - DCA

2 stops26h 50mKorean Air

Deal found 9/16

$1,006

Thu 10/236:00 amDCA - HAN

2 stops28h 35mDelta

Fri 10/3112:20 pmHAN - DCA

2 stops38h 26mDelta

Deal found 9/17

$1,026

Thu 10/3012:31 pmDCA - HAN

2 stops34h 34mCathay Pacific

Thu 11/611:05 amHAN - DCA

2 stops23h 55mCathay Pacific

Deal found 9/15

$1,060

One-way flights from Reagan-National to Hanoi
Search for one-way flight options from Reagan-National to Hanoi. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Mon 11/107:30 amDCA - HAN

2 stops27h 35mANA

Deal found 9/16

$507

Sun 10/57:30 pmDCA - HAN

2 stops39h 05mDelta

Deal found 9/16

$518

Sat 10/47:15 amDCA - HAN

2 stops40h 25mKorean Air

Deal found 9/16

$521

Sat 10/47:00 amDCA - HAN

3 stops42h 15mMultiple Airlines

Deal found 9/16

$531

Thu 11/2712:00 pmDCA - HAN

2 stops47h 05mANA

Deal found 9/16

$536

Wed 11/266:59 amDCA - HAN

2 stops40h 11mKorean Air

Deal found 9/15

$538

Fri 10/318:59 amDCA - HAN

3 stops41h 11mMultiple Airlines

Deal found 9/15

$540

Tue 9/306:00 amDCA - HAN

2 stops29h 15mUnited Airlines

Deal found 9/15

$541

Sat 11/18:00 amDCA - HAN

2 stops26h 45mDelta

Deal found 9/16

$543

Sun 9/289:00 amDCA - HAN

2 stops26h 15mUnited Airlines

Deal found 9/15

$554

Cheapflights Fare Finder

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

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 11/17

6:06 am-9:45 pm

2 stops27h 39m

Hanoi Noibai

Wed 12/3

11:05 pm-11:37 am

2 stops24h 32m

$933

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 11/17

6:10 am-9:45 pm

2 stops27h 35m

Hanoi Noibai

Wed 11/26

12:20 pm-11:31 pm

2 stops23h 11m

$933

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 11/17

6:59 am-9:45 pm

2 stops26h 46m

Hanoi Noibai

Sun 12/7

11:05 pm-12:51 pm

2 stops25h 46m

$939

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 11/18

6:59 am-9:45 pm

2 stops26h 46m

Hanoi Noibai

Sun 12/7

11:05 pm-12:51 pm

2 stops25h 46m

$939

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 11/13

6:59 am-9:45 pm

2 stops26h 46m

Hanoi Noibai

Wed 3/18

11:05 pm-6:06 pm

2 stops30h 01m

$939

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 11/11

6:59 am-9:45 pm

2 stops26h 46m

Hanoi Noibai

Tue 3/17

11:05 pm-6:06 pm

2 stops30h 01m

$939

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Fri 10/17

7:59 am-9:35 pm

2 stops26h 36m

Hanoi Noibai

Wed 10/22

11:10 pm-3:00 pm

2 stops26h 50m

$969

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 11/18

6:06 am-9:45 pm

2 stops27h 39m

Hanoi Noibai

Sun 12/7

12:20 pm-11:39 pm

2 stops23h 19m

$970

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 11/23

6:06 am-9:45 pm

2 stops27h 39m

Hanoi Noibai

Wed 12/3

12:20 pm-11:39 pm

2 stops23h 19m

$970

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 11/23

6:06 am-9:45 pm

2 stops27h 39m

Hanoi Noibai

Thu 12/4

12:20 pm-10:14 pm

2 stops21h 54m

$970

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 22 results

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

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 26h 46m. 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.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Hanoi one-way?
For one-way options, check prices for ANA. According to our data, you can fly for as low as $507. Users have also found prices from $518 and $521 on Delta and Korean Air, respectively.
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.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Hanoi?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Hanoi (average of $862). Flying from Washington, D.C. Reagan-National Airport to Hanoi in December is currently the most expensive (average of $1,597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$507+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Reagan-National to Hanoi

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Find flight deals from Reagan-National to Hanoi

Cheapest flights from Reagan-National to HanoiExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Hanoi that are best for you.

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.

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?

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

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Hanoi one-way?

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

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

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

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Hanoi?

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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 September 17, 2025.