What are the cheapest airlines flying from Washington, D.C. to Hanoi round-trip?

Korean Air, at $781, was found to be the cheapest airline from Washington, D.C. to Hanoi.Alternate airlines to your destination round-trip include Turkish Airlines and United Airlines. You may be able to fly from Washington, D.C. to Hanoi for 45% less than the average price by searching for these airlines.

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

$446 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $565 and $591, respectively.

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 are the most popular routes from Washington, D.C. to Hanoi?

Most travelers choose Washington, D.C. Dulles Intl - Hanoi Noibai, Baltimore/Washington - Hanoi Noibai or Washington, D.C. Reagan-National - Hanoi Noibai when deciding on the best route from Washington, D.C. to Hanoi.

What are the most popular airlines that fly from Washington, D.C. to Hanoi?

Consider Korean Air, Qatar Airways or Turkish Airlines when booking your flight. These represent the most popular airlines when flying from Washington, D.C. to Hanoi.

Where are the most common layover locations when flying from Washington, D.C. to Hanoi?

Most of the time, Washington, D.C. to Hanoi flights that have layovers will stop in Doha.

Where are the least popular layover locations for Washington, D.C. to Hanoi flights?

Washington, D.C. to Hanoi flights have a layover in Seoul least often.

What are some popular things to do or see while on a layover in Doha?

Doha travelers tend to visit Museum of Islamic Art, Katara Cultural Village, and Aspire Tower more than anywhere else. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower can be visited by traveling about 5.2 mi, 8.7 mi, and 10.6 mi respectively from Doha Hamad Intl. Those looking to explore during their layover in Doha can rent a car from Doha Hamad Intl for about $25 per day.

What is the cheapest day to fly round-trip from Washington, D.C. to Hanoi?

Flights from Washington, D.C. to Hanoi are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Hanoi.

How far in advance should I book a flight from Washington, D.C. to Hanoi?

To save up to 23% on this flight, we recommend booking at least 13 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Hanoi from $939 1-2 weeks out and tickets from $1,157 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Hanoi?

Our data shows that February tends to be the cheapest month to fly to Hanoi from Washington, D.C.. Users have commonly found prices around $1,423 for the month, but tickets can be as low as $942. Due to multiple factors, prepare for potentially higher prices in June.

What airport do you fly into for flights to Hanoi from Washington, D.C.?

Hanoi Noibai (HAN) is the airport you will fly into if you book a flight from Washington, D.C. to Hanoi. You should not have trouble finding flights to Noibai from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Hanoi airport from Washington, D.C.. It is only a 14.2 mi journey from Noibai (HAN) to Hanoi’s city center.

Can I find deals for flights from Washington, D.C. to Hanoi that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Hanoi?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Hanoi.

Can I find deals for business class flights from Washington, D.C. to Hanoi?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$441+ Flights from Washington, D.C. to Hanoi

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Cheapflights Tip: The best prices from Washington, D.C. to Hanoi Noibai are usually found in February or September, booked 13 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Hanoi

Round-trip from	$781 (CrystalTravel)
One-way from	$441 (Ovago)
Popular in	June
Cheapest in	February
Average price	$1,817

From Washington, D.C. (WAS) to Hanoi Noibai

Search Deals

One-way flight from Washington, D.C. (WAS) to Hanoi Noibai

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($168 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Washington, D.C. to Hanoi

Cheapest flights from Washington, D.C. to Hanoi
Explore the most affordable flight options available from Washington, D.C. to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Wed 9/101:15 pmIAD - HAN

1 stop21h 20mKorean Air

Mon 11/1011:00 pmHAN - IAD

2 stops29h 31mKorean Air

Deal found 6/25

$781

Mon 8/251:30 pmIAD - HAN

1 stop34h 10mMultiple Airlines

Tue 9/21:25 pmHAN - IAD

1 stop32h 30mMultiple Airlines

Deal found 6/24

$846

Thu 9/258:20 amDCA - HAN

2 stops39h 20mKorean Air

Sun 10/1912:00 pmHAN - DCA

2 stops38h 11mKorean Air

Deal found 6/24

$856

Mon 9/19:40 pmIAD - HAN

1 stop30h 45mTurkish Airlines

Wed 4/111:05 pmHAN - IAD

1 stop23h 40mTurkish Airlines

Deal found 6/23

$970

Wed 12/316:25 pmDCA - HAN

2 stops39h 15mDelta

Thu 3/1912:20 pmHAN - DCA

2 stops22h 00mDelta

Deal found 6/26

$977

Tue 12/308:45 pmIAD - HAN

2 stops38h 20mUnited Airlines

Wed 3/1812:25 amHAN - IAD

1 stop20h 45mUnited Airlines

Deal found 6/26

$979

Mon 9/156:41 amBWI - HAN

2 stops28h 09mAmerican Airlines

Wed 9/2411:20 pmHAN - BWI

2 stops34h 58mAmerican Airlines

Deal found 6/25

$982

Mon 9/19:00 amDCA - HAN

2 stops26h 15mUnited Airlines

Wed 4/111:35 pmHAN - DCA

2 stops35h 21mUnited Airlines

Deal found 6/23

$983

Wed 12/318:35 amIAD - HAN

2 stops26h 30mANA

Tue 3/1712:25 amHAN - IAD

1 stop27h 15mANA

Deal found 6/26

$985

Tue 9/28:30 amDCA - HAN

2 stops26h 45mANA

Tue 3/3111:35 pmHAN - DCA

2 stops25h 24mANA

Deal found 6/23

$987

Mon 8/257:22 pmBWI - HAN

2 stops28h 13mChina Airlines

Tue 9/25:50 pmHAN - BWI

2 stops35h 32mChina Airlines

Deal found 6/24

$989

Fri 8/226:00 amIAD - HAN

2 stops28h 35mDelta

Sat 8/3012:00 pmHAN - IAD

2 stops22h 32mDelta

Deal found 6/24

$1,051

Best flights from Washington, D.C. to Hanoi
Discover carefully curated flight deals from Washington, D.C. to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2025.

Wed 9/101:15 pmIAD - HAN

1 stop21h 20mKorean Air

Mon 11/1011:00 pmHAN - IAD

2 stops29h 31mKorean Air

Deal found 6/25

$781

Mon 8/251:30 pmIAD - HAN

1 stop34h 10mMultiple Airlines

Tue 9/21:25 pmHAN - IAD

1 stop32h 30mMultiple Airlines

Deal found 6/24

$846

Mon 9/19:40 pmIAD - HAN

1 stop30h 45mTurkish Airlines

Wed 4/111:05 pmHAN - IAD

1 stop23h 40mTurkish Airlines

Deal found 6/23

$970

Mon 9/18:40 amIAD - HAN

2 stops26h 35mUnited Airlines

Wed 4/111:35 pmHAN - IAD

1 stop27h 05mUnited Airlines

Deal found 6/23

$979

Mon 9/156:41 amBWI - HAN

2 stops28h 09mAmerican Airlines

Wed 9/2411:20 pmHAN - BWI

2 stops34h 58mAmerican Airlines

Deal found 6/25

$982

Tue 9/28:20 amIAD - HAN

2 stops26h 55mANA

Tue 3/3111:35 pmHAN - IAD

1 stop21h 30mANA

Deal found 6/23

$983

Mon 8/257:22 pmBWI - HAN

2 stops28h 13mChina Airlines

Tue 9/25:50 pmHAN - BWI

2 stops35h 32mChina Airlines

Deal found 6/24

$989

Fri 8/226:00 amIAD - HAN

2 stops28h 35mDelta

Sat 8/3012:00 pmHAN - IAD

2 stops22h 32mDelta

Deal found 6/24

$1,051

Mon 9/159:50 pmIAD - HAN

3 stops28h 20mEthiopian Air

Wed 9/242:10 pmHAN - IAD

3 stops29h 45mEthiopian Air

Deal found 6/25

$1,112

Mon 9/229:00 pmIAD - HAN

1 stop29h 55mQatar Airways

Tue 10/71:00 pmHAN - IAD

2 stops30h 40mQatar Airways

Deal found 6/26

$1,334

Sat 8/97:59 pmIAD - HAN

2 stops28h 06mEVA Air

Sat 8/166:00 pmHAN - IAD

2 stops47h 50mEVA Air

Deal found 6/25

$1,343

Mon 9/1510:55 amIAD - HAN

1 stop39h 20mEmirates

Tue 9/231:30 amHAN - IAD

1 stop42h 10mEmirates

Deal found 6/25

$1,381

Last-minute flights from Washington, D.C. to Hanoi
Discover last-minute flight deals from Washington, D.C. to Hanoi. Data last updated June 26, 2025 and is based on user searches.

Wed 6/256:27 amIAD - HAN

2 stops28h 23mAmerican Airlines

Tue 7/1511:20 pmHAN - IAD

2 stops34h 26mAmerican Airlines

Deal found 6/25

$1,182

Wed 6/256:51 amBWI - HAN

2 stops28h 24mANA

Tue 8/511:35 pmHAN - BWI

2 stops33h 07mANA

Deal found 6/24

$1,330

Thu 7/36:30 amIAD - HAN

2 stops28h 45mUnited Airlines

Thu 7/3111:35 pmHAN - IAD

2 stops36h 10mUnited Airlines

Deal found 6/24

$1,397

Thu 7/37:00 amDCA - HAN

2 stops28h 15mUnited Airlines

Thu 7/3111:35 pmHAN - DCA

2 stops32h 52mUnited Airlines

Deal found 6/24

$1,422

Thu 7/36:42 amBWI - HAN

2 stops28h 33mUnited Airlines

Thu 7/3111:35 pmHAN - BWI

2 stops40h 30mUnited Airlines

Deal found 6/24

$1,497

Thu 7/36:59 amDCA - HAN

2 stops27h 36mKorean Air

Thu 7/3111:10 pmHAN - DCA

2 stops33h 34mKorean Air

Deal found 6/25

$1,553

Thu 7/39:00 pmIAD - HAN

1 stop30h 00mQatar Airways

Thu 7/317:30 pmHAN - IAD

1 stop31h 10mQatar Airways

Deal found 6/25

$1,706

Thu 7/311:00 amIAD - HAN

2 stops26h 10mMultiple Airlines

Thu 7/318:45 amHAN - IAD

1 stop41h 55mMultiple Airlines

Deal found 6/24

$1,900

Thu 7/36:53 amBWI - HAN

2 stops27h 42mDelta

Thu 7/3112:00 pmHAN - BWI

2 stops28h 46mDelta

Deal found 6/25

$1,942

Thu 7/310:55 amIAD - HAN

1 stop39h 20mEmirates

Wed 7/301:30 amHAN - IAD

1 stop42h 10mEmirates

Deal found 6/26

$2,203

Thu 7/38:20 amDCA - HAN

2 stops29h 25mMultiple Airlines

Wed 7/301:45 amHAN - DCA

2 stops29h 44mMultiple Airlines

Deal found 6/25

$2,507

Thu 7/36:02 pmBWI - HAN

2 stops30h 53mAir China

Thu 7/311:25 pmHAN - BWI

2 stops29h 42mAir China

Deal found 6/26

$2,567

One-way flights from Washington, D.C. to Hanoi
Search for one-way flight options from Washington, D.C. to Hanoi. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Wed 8/131:30 pmIAD - HAN

1 stop21h 30mMultiple Airlines

Deal found 6/24

$441

Wed 8/66:22 pmBWI - HAN

2 stops30h 53mMultiple Airlines

Deal found 6/24

$443

Wed 8/138:59 amDCA - HAN

2 stops25h 36mKorean Air

Deal found 6/24

$446

Wed 8/67:02 amIAD - HAN

2 stops40h 38mKorean Air

Deal found 6/24

$446

Wed 8/139:00 amBWI - HAN

2 stops25h 35mKorean Air

Deal found 6/24

$562

Tue 7/156:50 amBWI - HAN

2 stops28h 00mAmerican Airlines

Deal found 6/25

$565

Sat 7/266:53 amDCA - HAN

2 stops27h 57mAmerican Airlines

Deal found 6/24

$591

Tue 7/87:00 amIAD - HAN

2 stops28h 15mUnited Airlines

Deal found 6/25

$591

Mon 8/412:00 pmDCA - HAN

3 stops47h 15mUnited Airlines

Deal found 6/24

$600

Sun 7/278:00 amDCA - HAN

3 stops44h 50mMultiple Airlines

Deal found 6/26

$603

Wed 8/139:50 pmIAD - HAN

3 stops28h 20mEthiopian Air

Deal found 6/24

$708

Sun 7/276:15 amBWI - HAN

2 stops29h 00mANA

Deal found 6/26

$725

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 9/10

1:15 pm-9:35 pm

1 stop21h 20m

Hanoi Noibai

Mon 11/10

11:00 pm-4:31 pm

2 stops29h 31m

$781

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 8/25

1:30 pm-10:40 am

1 stop34h 10m

Hanoi Noibai

Tue 9/2

1:25 pm-10:55 am

1 stop32h 30m

$846

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 9/15

6:05 am-10:40 am

2 stops41h 35m

Hanoi Noibai

Wed 9/24

12:00 pm-3:11 pm

2 stops38h 11m

$877

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 9/1

9:40 pm-3:25 pm

1 stop30h 45m

Hanoi Noibai

Wed 4/1

11:05 pm-11:45 am

1 stop23h 40m

$970

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 9/1

8:40 am-10:15 pm

2 stops26h 35m

Hanoi Noibai

Wed 4/1

11:35 pm-3:40 pm

1 stop27h 05m

$979

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Mon 9/15

6:41 am-9:50 pm

2 stops28h 09m

Hanoi Noibai

Wed 9/24

11:20 pm-11:18 pm

2 stops34h 58m

$982

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 9/2

8:20 am-10:15 pm

2 stops26h 55m

Hanoi Noibai

Wed 4/1

11:35 pm-3:40 pm

1 stop27h 05m

$983

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 9/1

9:00 am-10:15 pm

2 stops26h 15m

Hanoi Noibai

Wed 4/1

11:35 pm-11:56 pm

2 stops35h 21m

$983

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 9/2

8:30 am-10:15 pm

2 stops26h 45m

Hanoi Noibai

Wed 4/1

11:35 pm-1:59 pm

2 stops25h 24m

$987

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Mon 8/25

7:22 pm-10:35 am

2 stops28h 13m

Hanoi Noibai

Tue 9/2

5:50 pm-6:22 pm

2 stops35h 32m

$989

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 48 results

...

Best time to book a flight from Washington, D.C. to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Hanoi

How far ahead should I book a flight from Washington, D.C. to Hanoi?

The best time to book flights from Washington, D.C. to Hanoi is 12 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Hanoi (average of $974). Flying from Washington, D.C. to Hanoi in December is currently the most expensive (average of $1,618). 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 time of day to fly from WAS to HAN?

When flying from Washington, D.C. to Hanoi, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 7% versus a flight in the morning.

What is the cheapest day to fly from Washington, D.C. to Hanoi?

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

How much does it cost to fly round-trip from Washington, D.C. to Hanoi?

Reviews of airlines servicing Hanoi

Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Japan Airlines from Washington, D.C. to Hanoi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,208 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,208 reviews

EVA Air

8.4

Very good

1,208 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,096 reviews

EVA Air

8.4

Very good

1,208 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,505 reviews

EVA Air

8.4

Very good

1,208 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

745 reviews

EVA Air

8.4

Very good

1,208 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.3

Very good

887 reviews

EVA Air

8.4

Very good

1,208 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What airport do you fly into for flights to Hanoi from Washington, D.C.?
Hanoi Noibai (HAN) is the airport you will fly into if you book a flight from Washington, D.C. to Hanoi. You should not have trouble finding flights to Noibai from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Hanoi airport from Washington, D.C.. It is only a 14.2 mi journey from Noibai (HAN) to Hanoi’s city center.
What are the cheapest airlines flying from Washington, D.C. to Hanoi round-trip?
Korean Air, at $781, was found to be the cheapest airline from Washington, D.C. to Hanoi.Alternate airlines to your destination round-trip include Turkish Airlines and United Airlines. You may be able to fly from Washington, D.C. to Hanoi for 45% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Hanoi one-way?
$446 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $565 and $591, respectively.
What are the most popular routes from Washington, D.C. to Hanoi?
Most travelers choose Washington, D.C. Dulles Intl - Hanoi Noibai, Baltimore/Washington - Hanoi Noibai or Washington, D.C. Reagan-National - Hanoi Noibai when deciding on the best route from Washington, D.C. to Hanoi.
Where are the most common layover locations when flying from Washington, D.C. to Hanoi?
Most of the time, Washington, D.C. to Hanoi flights that have layovers will stop in Doha.
What are some popular things to do or see while on a layover in Doha?
Doha travelers tend to visit Museum of Islamic Art, Katara Cultural Village, and Aspire Tower more than anywhere else. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower can be visited by traveling about 5.2 mi, 8.7 mi, and 10.6 mi respectively from Doha Hamad Intl. Those looking to explore during their layover in Doha can rent a car from Doha Hamad Intl for about $25 per day.
Where are the least popular layover locations for Washington, D.C. to Hanoi flights?
Washington, D.C. to Hanoi flights have a layover in Seoul least often.
Can I find deals for flights from Washington, D.C. to Hanoi that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Hanoi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Hanoi.
Can I find deals for business class flights from Washington, D.C. to Hanoi?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Hanoi?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Hanoi (average of $974). Flying from Washington, D.C. to Hanoi in December is currently the most expensive (average of $1,618). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Hanoi

Dulles Intl to Ho Chi Minh City flights

Reagan-National to Ho Chi Minh City flights

Dulles Intl to Hanoi flights

Reagan-National to Hanoi flights

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Reagan-National to Da Nang flights

Dulles Intl to Nha Trang flights

Dulles Intl to Hue flights

Dulles Intl to Phu Quoc flights

Dulles Intl to Can Tho flights

Other flights to Hanoi

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Hanoi to Da Nang flights

Hanoi to Hue flights

Hanoi to Ho Chi Minh City flights

Hanoi to Bangkok Don Mueang Intl Airport flights

Hanoi to Dong Hoi flights

Hanoi to Hong Kong flights

Hanoi to Siem Reap flights

Hanoi to Dalat flights

Hanoi to Nha Trang flights

Hanoi to Bangkok Suvarnabhumi Airport flights

Hanoi to Singapore flights

Hanoi to Guangzhou flights

Hanoi to Kuala Lumpur Intl Airport flights

Hanoi to Chiang Mai flights

Hanoi to Vientiane flights

Hanoi to Qui Nhon flights

Hanoi to Phnom Penh flights

Top 4 airlines flying from Washington, D.C. to Hanoi

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$938	Average$1,136	FlexibilityNo cancel fee	On-time77%
Korean Air	Cheapest$1,140	Average$1,751	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$1,191	Average$1,483	FlexibilityNo cancel fee	On-time68%
Delta	Cheapest$1,256	Average$1,692	FlexibilityNo cancel fee	On-timeN/A

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$441+ Cheap flights from Washington, D.C. (WAS) 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Hanoi Noibai are usually found in February or September, booked 13 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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Find flight deals from Washington, D.C. to Hanoi

Cheapest flights from Washington, D.C. to HanoiExplore the most affordable flight options available from Washington, D.C. to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Explore the most affordable flight options available from Washington, D.C. to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

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Best time to book a flight from Washington, D.C. to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Washington, D.C. with our price prediction graph.

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Everything you need to know about your flight from Washington, D.C. to Hanoi

How far ahead should I book a flight from Washington, D.C. to Hanoi?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Hanoi. Price data was last updated on June 20, 2025.

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

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

Find hourly flight availability from Washington, D.C. to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2025.

What is the cheapest day to fly from Washington, D.C. to Hanoi?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Hanoi. Price data was last updated on December 16, 2024.

How much does it cost to fly round-trip from Washington, D.C. to Hanoi?

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated June 26, 2025.

Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Japan Airlines from Washington, D.C. to Hanoi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

What are the cheapest airlines flying from Washington, D.C. to Hanoi round-trip?

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

What are the most popular routes from Washington, D.C. to Hanoi?

Where are the most common layover locations when flying from Washington, D.C. to Hanoi?

What are some popular things to do or see while on a layover in Doha?

Where are the least popular layover locations for Washington, D.C. to Hanoi flights?

Can I find deals for flights from Washington, D.C. to Hanoi that include hotel bookings?

How can I find direct flights from Washington, D.C. to Hanoi?

Can I find deals for business class flights from Washington, D.C. to Hanoi?

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

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Top 4 airlines flying from Washington, D.C. to Hanoi

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Cheapest flights from Washington, D.C. to Hanoi
Explore the most affordable flight options available from Washington, D.C. to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.