Cheap flights from Washington, D.C. to Hanoi from $373

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Hanoi departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Hanoi

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
11:50 am - 11:10 amIAD-HAN
35h 20m1 stop
Korean Air Logo
11:05 pm - 9:50 amHAN-IAD
22h 45m1 stop
$825Korean Air
Find Deal
dom., nov. 23 - dom., dic. 7
Korean Air Logo
11:50 am - 9:45 pmIAD-HAN
21h 55m1 stop
Korean Air Logo
12:20 pm - 9:50 amHAN-IAD
33h 30m1 stop
$855Korean Air
Find Deal
mié., nov. 26 - dom., dic. 7
Delta Logo
6:00 am - 11:10 amIAD-HAN
41h 10m2 stops
Delta Logo
12:20 pm - 5:00 pmHAN-IAD
40h 40m2 stops
$860Delta
Find Deal
dom., nov. 23 - dom., dic. 7
Delta Logo
6:50 pm - 9:35 pmDCA-HAN
39h 45m2 stops
Delta Logo
11:10 pm - 9:13 amHAN-DCA
45h 03m2 stops
$873Delta
Find Deal
mar., mar. 31 - mar., abr. 14
Qatar Airways Logo
10:40 am - 7:45 pmIAD-HAN
21h 05m1 stop
Qatar Airways Logo
1:45 am - 4:55 pmHAN-IAD
26h 10m1 stop
$903Qatar Airways
Find Deal
mié., feb. 25 - mar., mar. 10
Qatar Airways Logo
10:40 am - 7:45 pmIAD-HAN
21h 05m1 stop
Qatar Airways Logo
7:10 pm - 8:20 amHAN-IAD
25h 10m1 stop
$905Qatar Airways
Find Deal
mié., nov. 12 - jue., dic. 18
Turkish Airlines Logo
1:30 pm - 3:25 pmIAD-HAN
37h 55m1 stop
Turkish Airlines Logo
10:55 pm - 7:20 pmHAN-IAD
32h 25m1 stop
$957Turkish Airlines
Find Deal
mar., dic. 2 - mié., dic. 17
American Airlines Logo
6:17 am - 10:30 pmBWI-HAN
28h 13m2 stops
American Airlines Logo
11:55 pm - 11:52 pmHAN-BWI
35h 57m2 stops
$983American Airlines
Find Deal
jue., ene. 15 - sáb., ene. 31
Turkish Airlines Logo
1:30 pm - 7:20 amIAD-HAN
29h 50m1 stop
Turkish Airlines Logo
10:55 pm - 7:20 pmHAN-IAD
32h 25m1 stop
$992Turkish Airlines
Find Deal
jue., dic. 4 - mar., dic. 16
American Airlines Logo
6:00 am - 10:30 pmBWI-HAN
28h 30m2 stops
American Airlines Logo
11:55 pm - 7:07 pmHAN-BWI
31h 12m2 stops
$1,266American Airlines
Find Deal
lun., nov. 10 - mar., nov. 25

Korean Air flights from Washington, D.C. to Hanoi

Our best Korean Air deals on Washington, D.C. to Hanoi flight tickets
Korean Air
Nov 23
IAD11:50 amWashington, D.C. Dulles Intl
35h 20m
1 stop
HAN11:10 amHanoi Noibai
Dec 7
HAN11:05 pmHanoi Noibai
22h 45m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Korean Air
Nov 26
IAD11:50 amWashington, D.C. Dulles Intl
21h 55m
1 stop
HAN9:45 pmHanoi Noibai
Dec 7
HAN12:20 pmHanoi Noibai
33h 30m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Korean Air
Nov 23
IAD11:50 amWashington, D.C. Dulles Intl
35h 20m
1 stop
HAN11:10 amHanoi Noibai
Dec 7
HAN11:05 pmHanoi Noibai
32h 14m
2 stops
IAD7:19 pmWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. to Hanoi

Our best Delta deals on Washington, D.C. to Hanoi flight tickets
Delta
Nov 23
IAD6:00 amWashington, D.C. Dulles Intl
41h 10m
2 stops
HAN11:10 amHanoi Noibai
Dec 7
HAN12:20 pmHanoi Noibai
40h 40m
2 stops
IAD5:00 pmWashington, D.C. Dulles Intl
Delta
Mar 31
DCA6:50 pmWashington, D.C. Reagan-National
39h 45m
2 stops
HAN9:35 pmHanoi Noibai
Apr 14
HAN11:10 pmHanoi Noibai
45h 03m
2 stops
DCA9:13 amWashington, D.C. Reagan-National
Delta
Mar 26
DCA6:05 amWashington, D.C. Reagan-National
28h 40m
2 stops
HAN9:45 pmHanoi Noibai
Apr 1
HAN11:10 pmHanoi Noibai
30h 06m
2 stops
DCA6:16 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated octubre 30, 2025.
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

dom. 11/23

11:50 am-11:10 am

1 stop35h 20m

Hanoi Noibai

dom. 12/7

11:05 pm-9:50 am

1 stop22h 45m

$825

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

mié. 11/26

11:50 am-9:45 pm

1 stop21h 55m

Hanoi Noibai

dom. 12/7

12:20 pm-9:50 am

1 stop33h 30m

$855

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

dom. 11/23

6:00 am-11:10 am

2 stops41h 10m

Hanoi Noibai

dom. 12/7

12:20 pm-5:00 pm

2 stops40h 40m

$860

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

mar. 3/31

6:50 pm-9:35 pm

2 stops39h 45m

Hanoi Noibai

mar. 4/14

11:10 pm-9:13 am

2 stops45h 03m

$873

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

mié. 2/25

10:40 am-7:45 pm

1 stop21h 05m

Hanoi Noibai

mar. 3/10

1:45 am-4:55 pm

1 stop26h 10m

$903

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

mié. 11/12

10:40 am-7:45 pm

1 stop21h 05m

Hanoi Noibai

jue. 12/18

7:10 pm-8:20 am

1 stop25h 10m

$905

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

mar. 12/2

1:30 pm-3:25 pm

1 stop37h 55m

Hanoi Noibai

mié. 12/17

10:55 pm-7:20 pm

1 stop32h 25m

$957

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

jue. 1/15

6:17 am-10:30 pm

2 stops28h 13m

Hanoi Noibai

sáb. 1/31

11:55 pm-11:52 pm

2 stops35h 57m

$983

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

jue. 12/4

1:30 pm-7:20 am

1 stop29h 50m

Hanoi Noibai

mar. 12/16

10:55 pm-7:20 pm

1 stop32h 25m

$992

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

lun. 11/10

6:00 am-10:30 pm

2 stops28h 30m

Hanoi Noibai

mar. 11/25

11:55 pm-7:07 pm

2 stops31h 12m

$1,266

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Hanoi from

How to get the cheapest flight ticket from Washington, D.C. to Hanoi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Hanoi?

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Washington, D.C. is in September. Flight prices, which tend to average around $912, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then October is your next best option. Flight prices from Washington, D.C. to Hanoi during October average around $1,002.

What is the cheapest day to depart on your flight to Hanoi?

According to our data, Thursday is the cheapest day to fly to Hanoi from Washington, D.C.. The lowest ticket price found for a Thursday departure recently was $1,306. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Monday is $1,479.

What is the cheapest time of day to depart on your flight to Hanoi?

Our most recent data shows that the best time of day to fly to Hanoi is in the evening. Flights from Washington, D.C. to Hanoi during this time can be as low as $1,312. Try not to purchase tickets in the morning because they tend to be around $1,407. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Hanoi?

You are more likely to see cheaper flights to Hanoi from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $1,384 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Washington, D.C. for as low as $843 on momondo.

Can stopping save me money on Washington, D.C. to Hanoi flights?

You could potentially save up to 3% on your flight if you consider stops on a Washington, D.C. to Hanoi flight.

How have Washington, D.C. to Hanoi flight prices changed over time?

As of October 2025, prices for Washington, D.C. to Hanoi flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Hanoi according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Hanoi (WAS to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Hanoi

Direct flights

None
There are no direct flights from Washington, D.C. to Hanoi. There are no popular flight routes from Washington, D.C. to Hanoi.
  • How far is Washington, D.C. to Hanoi Noibai by plane?

    There are 8286.7 mi between Washington, D.C. and Hanoi Noibai. A reasonable flight in good conditions will take 21h 05m.

  • When did momondo last update prices for flights from Washington, D.C. to Hanoi Noibai Airport?

    Prices for flights from Washington, D.C. to Hanoi Noibai Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. to Hanoi Noibai Airport?

  • How old do you have to be to fly from Washington, D.C. to Hanoi Noibai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Hanoi Noibai Airport.

  • What documentation or ID do you need to fly to Hanoi Noibai Airport?

    The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. to Hanoi?

Best airlines flying from Washington, D.C. to Hanoi

Compare and see reviews for airlines that fly from Washington, D.C. to Hanoi with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $819Free CancellationRating
8.4
1,155 reviews
Search Korean Air flights
United AirlinesPriceFrom $941Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $965Free CancellationRating
7.3
4,033 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,109Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hanoi?

Finding the right flight to Hanoi from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hanoi quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Hanoi with flexible booking policies on momondo?

Flights from Washington, D.C. to Hanoi with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Hanoi?

Once you have performed a search for Washington, D.C. to Hanoi flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Hanoi right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Hanoi flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Hanoi trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 11/29
sáb. 12/6

Find better results for your trip to Vietnam