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

Delta, at $976, was found to be the cheapest airline from Washington, D.C. to Hanoi.Alternate airlines to your destination round-trip include United Airlines and China Airlines. You may be able to fly from Washington, D.C. to Hanoi for 33% 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?

$516 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 Japan Airlines and Delta, with prices starting from $531 and $535, respectively.

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

Most travelers choose Washington, D.C. Dulles Intl - Hanoi Noibai, Washington, D.C. Reagan-National - Hanoi Noibai or Baltimore/Washington - 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.

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 $28 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 September tends to be the cheapest month to fly to Hanoi from Washington, D.C.. Users have commonly found prices around $1,468 for the month, but tickets can be as low as $930. 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.

$513+ Flights from Washington, D.C. to Hanoi

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington, D.C. to Hanoi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Hanoi Noibai are usually found in September or October, 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	$976 (Delta)
One-way from	$513 (Kiwi.com)
Popular in	June
Cheapest in	September
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).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 13, 2025.

Fri 9/2611:00 pmIAD - HAN

1 stop25h 55mAir China

Thu 10/161:25 pmHAN - IAD

1 stop41h 05mAir China

Deal found 6/10

$785

Thu 11/1311:50 amIAD - HAN

1 stop21h 50mKorean Air

Mon 11/2412:20 pmHAN - IAD

1 stop33h 30mKorean Air

Deal found 6/12

$821

Tue 9/238:35 amIAD - HAN

2 stops26h 40mUnited Airlines

Wed 10/111:35 pmHAN - IAD

1 stop27h 00mUnited Airlines

Deal found 6/12

$980

Tue 9/239:00 amDCA - HAN

2 stops26h 15mUnited Airlines

Wed 10/111:35 pmHAN - DCA

2 stops32h 28mUnited Airlines

Deal found 6/12

$983

Mon 9/229:40 pmIAD - HAN

1 stop30h 45mTurkish Airlines

Tue 10/711:05 pmHAN - IAD

1 stop31h 40mTurkish Airlines

Deal found 6/12

$984

Wed 9/248:20 amIAD - HAN

2 stops26h 55mANA

Fri 10/311:35 pmHAN - IAD

1 stop27h 00mANA

Deal found 6/12

$1,010

Tue 12/302:00 pmDCA - HAN

2 stops45h 05mANA

Wed 2/1812:25 amHAN - DCA

2 stops47h 20mANA

Deal found 6/11

$1,014

Thu 11/1312:20 pmIAD - HAN

2 stops39h 20mMultiple Airlines

Sun 11/2312:25 amHAN - IAD

2 stops32h 58mMultiple Airlines

Deal found 6/12

$1,016

Sun 10/126:17 pmBWI - HAN

2 stops29h 18mChina Airlines

Mon 11/1011:35 amHAN - BWI

2 stops30h 43mChina Airlines

Deal found 6/11

$1,026

Wed 8/136:58 pmDCA - HAN

2 stops34h 52mChina Airlines

Sat 8/305:50 pmHAN - DCA

2 stops35h 09mChina Airlines

Deal found 6/12

$1,036

Thu 11/67:43 amIAD - HAN

2 stops44h 52mChina Airlines

Sat 11/155:35 pmHAN - IAD

2 stops24h 48mChina Airlines

Deal found 6/12

$1,043

Sun 8/241:30 pmIAD - HAN

1 stop34h 10mDelta

Wed 9/2411:10 pmHAN - IAD

2 stops41h 50mDelta

Deal found 6/12

$1,056

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 13, 2025.

Sun 8/246:50 pmIAD - HAN

2 stops39h 45mDelta

Wed 9/2412:00 pmHAN - IAD

2 stops22h 49mDelta

Deal found 6/12

$976

Tue 7/86:32 amIAD - HAN

2 stops28h 43mUnited Airlines

Tue 7/1511:35 pmHAN - IAD

1 stop27h 10mUnited Airlines

Deal found 6/10

$980

Wed 7/237:00 amIAD - HAN

2 stops28h 15mMultiple Airlines

Sun 8/1011:35 pmHAN - IAD

2 stops25h 14mMultiple Airlines

Deal found 6/12

$1,022

Sun 10/126:17 pmBWI - HAN

2 stops29h 18mChina Airlines

Mon 11/1011:35 amHAN - BWI

2 stops30h 43mChina Airlines

Deal found 6/11

$1,026

Wed 11/196:05 amDCA - HAN

2 stops41h 05mKorean Air

Mon 12/111:00 pmHAN - DCA

2 stops34h 14mKorean Air

Deal found 6/10

$1,026

Sun 8/241:30 pmIAD - HAN

1 stop38h 55mTurkish Airlines

Wed 9/2411:05 pmHAN - IAD

1 stop23h 40mTurkish Airlines

Deal found 6/12

$1,062

Thu 9/258:30 amDCA - HAN

2 stops26h 45mANA

Sat 10/411:35 pmHAN - DCA

2 stops49h 41mANA

Deal found 6/12

$1,071

Sun 10/127:55 amBWI - HAN

2 stops45h 55mEVA Air

Tue 11/116:20 pmHAN - BWI

2 stops35h 53mEVA Air

Deal found 6/11

$1,080

Thu 9/256:30 amBWI - HAN

2 stops28h 20mAmerican Airlines

Fri 10/311:20 pmHAN - BWI

2 stops35h 02mAmerican Airlines

Deal found 6/12

$1,098

Sun 10/127:45 pmDCA - HAN

2 stops39h 05mJapan Airlines

Tue 11/1111:55 pmHAN - DCA

2 stops34h 04mJapan Airlines

Deal found 6/11

$1,137

Wed 11/198:40 amDCA - HAN

2 stops37h 25mCathay Pacific

Sun 11/307:25 pmHAN - DCA

2 stops33h 00mCathay Pacific

Deal found 6/10

$1,199

Tue 10/149:59 amDCA - HAN

3 stops44h 36mSingapore Airlines

Fri 11/1412:35 pmHAN - DCA

2 stops43h 25mSingapore Airlines

Deal found 6/10

$1,356

Last-minute flights from Washington, D.C. to Hanoi
Discover last-minute flight deals from Washington, D.C. to Hanoi. Data last updated June 13, 2025 and is based on user searches.

Wed 6/188:20 amDCA - HAN

2 stops26h 30mAmerican Airlines

Tue 7/111:20 pmHAN - DCA

2 stops33h 40mAmerican Airlines

Deal found 6/12

$1,158

Wed 6/186:30 amIAD - HAN

2 stops28h 45mUnited Airlines

Tue 7/111:35 pmHAN - IAD

2 stops33h 52mUnited Airlines

Deal found 6/12

$1,183

Wed 6/187:00 amDCA - HAN

2 stops28h 15mUnited Airlines

Tue 7/111:35 pmHAN - DCA

2 stops32h 27mUnited Airlines

Deal found 6/12

$1,458

Wed 6/189:00 pmIAD - HAN

1 stop23h 15mQatar Airways

Tue 7/17:30 pmHAN - IAD

1 stop24h 10mQatar Airways

Deal found 6/12

$1,693

Wed 6/186:51 amBWI - HAN

2 stops28h 24mUnited Airlines

Tue 7/111:30 pmHAN - BWI

2 stops29h 12mUnited Airlines

Deal found 6/12

$1,921

Wed 6/189:00 pmIAD - HAN

2 stops25h 35mMultiple Airlines

Tue 7/17:30 pmHAN - IAD

1 stop24h 10mMultiple Airlines

Deal found 6/12

$1,936

Wed 6/186:53 amBWI - HAN

2 stops27h 42mKorean Air

Tue 7/111:10 pmHAN - BWI

2 stops28h 22mKorean Air

Deal found 6/11

$2,117

Wed 6/188:20 amDCA - HAN

2 stops30h 10mMultiple Airlines

Mon 6/301:45 amHAN - DCA

2 stops29h 44mMultiple Airlines

Deal found 6/12

$2,620

Thu 6/197:24 pmBWI - HAN

2 stops39h 11mDelta

Tue 7/111:10 pmHAN - BWI

2 stops35h 09mDelta

Deal found 6/12

$1,847

Thu 6/196:00 pmBWI - HAN

3 stops60h 35mSingapore Airlines

Tue 7/16:30 pmHAN - BWI

2 stops57h 25mSingapore Airlines

Deal found 6/11

$2,659

Fri 6/201:30 pmIAD - HAN

1 stop21h 05mDelta

Sat 7/1911:10 pmHAN - IAD

2 stops41h 47mDelta

Deal found 6/11

$1,858

Fri 6/2010:55 amIAD - HAN

1 stop39h 20mEmirates

Fri 7/181:30 amHAN - IAD

1 stop42h 10mEmirates

Deal found 6/11

$2,147

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 13, 2025.

Thu 9/46:26 amBWI - HAN

2 stops28h 49mMultiple Airlines

Deal found 6/11

$513

Thu 9/41:15 pmIAD - HAN

1 stop34h 25mKorean Air

Deal found 6/11

$516

Tue 7/89:29 amDCA - HAN

2 stops25h 21mJapan Airlines

Deal found 6/10

$531

Wed 8/131:30 pmIAD - HAN

1 stop21h 30mMultiple Airlines

Deal found 6/12

$533

Wed 8/136:00 amDCA - HAN

2 stops28h 35mDelta

Deal found 6/10

$535

Sun 8/317:59 pmDCA - HAN

2 stops39h 16mUnited Airlines

Deal found 6/9

$541

Sun 7/2710:08 pmIAD - HAN

2 stops37h 07mUnited Airlines

Deal found 6/11

$541

Tue 7/86:42 amBWI - HAN

2 stops28h 33mANA

Deal found 6/10

$556

Wed 8/137:15 amBWI - HAN

2 stops27h 20mDelta

Deal found 6/10

$559

Wed 8/138:00 amBWI - HAN

2 stops26h 35mKorean Air

Deal found 6/11

$562

Tue 7/18:45 amDCA - HAN

2 stops26h 05mAmerican Airlines

Deal found 6/10

$565

Fri 8/17:02 amIAD - HAN

2 stops40h 38mDelta

Deal found 6/10

$585

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

Sun 8/24

6:50 pm-9:35 pm

2 stops39h 45m

Hanoi Noibai

Wed 9/24

12:00 pm-11:49 pm

2 stops22h 49m

$976

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 7/8

6:32 am-10:15 pm

2 stops28h 43m

Hanoi Noibai

Tue 7/15

11:35 pm-3:45 pm

1 stop27h 10m

$980

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 7/23

7:00 am-10:15 pm

2 stops28h 15m

Hanoi Noibai

Sun 8/10

11:35 pm-1:49 pm

2 stops25h 14m

$1,022

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 7/10

7:00 am-10:15 pm

2 stops28h 15m

Hanoi Noibai

Thu 7/17

11:35 pm-9:38 pm

2 stops33h 03m

$1,030

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 8/13

6:58 pm-4:50 pm

2 stops34h 52m

Hanoi Noibai

Sat 8/30

5:50 pm-5:59 pm

2 stops35h 09m

$1,036

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 8/24

1:30 pm-3:25 pm

1 stop38h 55m

Hanoi Noibai

Wed 9/24

11:05 pm-11:45 am

1 stop23h 40m

$1,062

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Tue 7/8

7:00 pm-10:15 pm

2 stops40h 15m

Hanoi Noibai

Tue 7/15

11:35 pm-5:28 am

2 stops40h 53m

$1,091

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Tue 8/5

6:22 pm-12:15 pm

2 stops30h 53m

Hanoi Noibai

Fri 8/15

10:00 pm-6:54 am

3 stops43h 54m

$1,115

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 7/23

9:29 am-9:50 pm

2 stops25h 21m

Hanoi Noibai

Sun 8/10

11:20 pm-10:18 pm

2 stops33h 58m

$1,143

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 6/18

8:20 am-9:50 pm

2 stops26h 30m

Hanoi Noibai

Tue 7/1

11:20 pm-10:00 pm

2 stops33h 40m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 50 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 $975). 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.

Rainfall in Hanoi by month

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.

Temperature in Hanoi by month

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).

Reviews of airlines servicing Hanoi

Read through reviews of airlines operating flights from Washington, D.C. to Hanoi, such as EVA Air, Korean Air and Japan Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,202 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

1,202 reviews

EVA Air

8.4

Very good

1,202 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

1,091 reviews

EVA Air

8.4

Very good

1,202 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

1,490 reviews

EVA Air

8.4

Very good

1,202 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

738 reviews

EVA Air

8.4

Very good

1,202 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

882 reviews

EVA Air

8.4

Very good

1,202 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?
Delta, at $976, was found to be the cheapest airline from Washington, D.C. to Hanoi.Alternate airlines to your destination round-trip include United Airlines and China Airlines. You may be able to fly from Washington, D.C. to Hanoi for 33% 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?
$516 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 Japan Airlines and Delta, with prices starting from $531 and $535, respectively.
What are the most popular routes from Washington, D.C. to Hanoi?
Most travelers choose Washington, D.C. Dulles Intl - Hanoi Noibai, Washington, D.C. Reagan-National - Hanoi Noibai or Baltimore/Washington - 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 $28 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 $975). 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

Dulles Intl to Nha Trang flights

Dulles Intl to Da Nang flights

Reagan-National to Da Nang flights

Dulles Intl to Phu Quoc flights

Dulles Intl to Hue flights

Dulles Intl to Can Tho flights

Other flights to Hanoi

Hanoi to Da Nang flights

Hanoi to Dong Hoi flights

Hanoi to Can Tho flights

Hanoi to Hue flights

Hanoi to Bangkok Don Mueang Intl Airport flights

Hanoi to Ho Chi Minh City flights

Hanoi to Qui Nhon flights

Hanoi to Phu Quoc flights

Hanoi to Dalat flights

Hanoi to Hong Kong flights

Hanoi to Nha Trang flights

Hanoi to Singapore flights

Hanoi to Hue flights

Hanoi to Bangkok Suvarnabhumi Airport flights

Hanoi to Siem Reap flights

Hanoi to Chiang Mai flights

Hanoi to Kuala Lumpur Intl Airport flights

Hanoi to Guangzhou flights

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

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$938	Average$1,147	FlexibilityNo cancel fee	On-time77%
Qatar Airways	Cheapest$1,191	Average$1,483	FlexibilityNo cancel fee	On-time68%
Korean Air	Cheapest$1,271	Average$1,779	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$1,445	Average$1,692	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$513+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Hanoi with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Hanoi Noibai are usually found in September or October, 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

One-way from

Popular in

Cheapest in

Average price

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 13, 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 13, 2025.

Cheapflights Fare Finder

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

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.

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?

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 9, 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 13, 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.

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

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 13, 2025.

Read through reviews of airlines operating flights from Washington, D.C. to Hanoi, such as EVA Air, Korean Air and Japan Airlines. Users can see the overall rating for each airline as well as how each is rated 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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.

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

100% Free

Book with Flexibility

Travel Smart

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 13, 2025.