Cheap flights from Washington, D.C. to Hanoi from $440

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 4/21. 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
1 adult, Economy, 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.
Multiple Airlines Logo
6:16 pm - 11:05 am
BWI
-
HAN
29h 49m
2 stops
Multiple Airlines Logo
6:00 pm - 6:21 am
HAN
-
BWI
23h 21m
2 stops
$1,053Multiple Airlines
Wed, Sep 23 - Tue, Oct 6
China Airlines Logo
9:59 am - 10:35 am
DCA
-
HAN
37h 36m
2 stops
China Airlines Logo
5:50 pm - 8:00 pm
HAN
-
DCA
37h 10m
2 stops
$1,087China Airlines
Tue, Apr 21 - Thu, May 7
Multiple Airlines Logo
3:10 pm - 6:45 pm
IAD
-
HAN
40h 35m
1 stop
Multiple Airlines Logo
11:30 pm - 11:59 pm
HAN
-
IAD
35h 29m
2 stops
$1,089Multiple Airlines
Fri, May 1 - Tue, May 19
Qatar Airways Logo
8:20 pm - 2:00 pm
IAD
-
HAN
30h 40m
1 stop
Qatar Airways Logo
7:30 pm - 8:40 am
HAN
-
IAD
24h 10m
1 stop
$1,099Qatar Airways
Sun, Apr 19 - Wed, Apr 29
Qatar Airways Logo
9:00 pm - 1:55 pm
IAD
-
HAN
29h 55m
1 stop
Qatar Airways Logo
6:30 pm - 6:10 pm
HAN
-
IAD
34h 40m
1 stop
$1,106Qatar Airways
Tue, May 12 - Fri, May 22
Delta Logo
4:39 pm - 9:35 pm
BWI
-
HAN
41h 56m
2 stops
Delta Logo
11:10 pm - 6:03 am
HAN
-
BWI
41h 53m
2 stops
$1,130Delta
Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
8:00 am - 10:15 pm
BWI
-
HAN
27h 15m
2 stops
United Airlines Logo
11:35 pm - 12:38 am
HAN
-
BWI
36h 03m
3 stops
$1,141United Airlines
Tue, Sep 22 - Wed, Sep 30
Delta Logo
9:35 am - 9:35 pm
BWI
-
HAN
25h 00m
2 stops
Delta Logo
11:10 pm - 3:51 pm
HAN
-
BWI
27h 41m
2 stops
$1,148Delta
Sun, Sep 20 - Wed, Sep 30
Korean Air Logo
7:00 am - 9:35 pm
BWI
-
HAN
27h 35m
2 stops
Korean Air Logo
11:10 pm - 3:43 pm
HAN
-
BWI
27h 33m
2 stops
$1,154Korean Air
Fri, Sep 25 - Tue, Sep 29
United Airlines Logo
8:00 am - 10:15 pm
BWI
-
HAN
27h 15m
2 stops
United Airlines Logo
11:35 pm - 12:38 am
HAN
-
BWI
36h 03m
3 stops
$1,159United Airlines
Sun, Sep 20 - Wed, Sep 30

Qatar Airways flights from Washington, D.C. to Hanoi

Our best Qatar Airways deals on Washington, D.C. to Hanoi flight tickets
Qatar Airways
Apr 19
IAD8:20 pmWashington, D.C. Dulles Intl
30h 40m
1 stop
HAN2:00 pmHanoi Noibai
Apr 29
HAN7:30 pmHanoi Noibai
24h 10m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
$1,099
Qatar Airways
May 12
IAD9:00 pmWashington, D.C. Dulles Intl
29h 55m
1 stop
HAN1:55 pmHanoi Noibai
May 22
HAN6:30 pmHanoi Noibai
34h 40m
1 stop
IAD6:10 pmWashington, D.C. Dulles Intl
$1,106
Qatar Airways
Apr 13
IAD9:00 pmWashington, D.C. Dulles Intl
23h 15m
1 stop
HAN7:15 amHanoi Noibai
Apr 23
HAN1:55 amHanoi Noibai
51h 15m
1 stop
IAD6:10 pmWashington, D.C. Dulles Intl
$1,108

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

Our best Korean Air deals on Washington, D.C. to Hanoi flight tickets
Korean Air
Sep 20
IAD1:15 pmWashington, D.C. Dulles Intl
21h 20m
1 stop
HAN9:35 pmHanoi Noibai
Sep 29
HAN11:10 pmHanoi Noibai
26h 34m
2 stops
IAD2:44 pmWashington, D.C. Dulles Intl
$1,200
Korean Air
Sep 10
IAD10:05 amWashington, D.C. Dulles Intl
24h 30m
2 stops
HAN9:35 pmHanoi Noibai
Sep 14
HAN11:10 pmHanoi Noibai
22h 55m
1 stop
IAD11:05 amWashington, D.C. Dulles Intl
$1,205
Korean Air
Sep 23
DCA5:00 pmWashington, D.C. Reagan-National
41h 35m
2 stops
HAN9:35 pmHanoi Noibai
Oct 1
HAN12:05 pmHanoi Noibai
38h 02m
2 stops
DCA3:07 pmWashington, D.C. Reagan-National
$1,206

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 April 1, 2026.
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

Cheapest round-trip

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Wed 9/23

6:16 pm-11:05 am

2 stops29h 49m

Hanoi Noibai

Tue 10/6

6:00 pm-6:21 am

2 stops23h 21m

$1,053

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 4/21

9:59 am-10:35 am

2 stops37h 36m

Hanoi Noibai

Thu 5/7

5:50 pm-8:00 pm

2 stops37h 10m

$1,087

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Fri 5/1

3:10 pm-6:45 pm

1 stop40h 35m

Hanoi Noibai

Tue 5/19

11:30 pm-11:59 pm

2 stops35h 29m

$1,089

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-2:00 pm

1 stop30h 40m

Hanoi Noibai

Wed 4/29

7:30 pm-8:40 am

1 stop24h 10m

$1,099

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 5/12

9:00 pm-1:55 pm

1 stop29h 55m

Hanoi Noibai

Fri 5/22

6:30 pm-6:10 pm

1 stop34h 40m

$1,106

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Wed 9/23

4:39 pm-9:35 pm

2 stops41h 56m

Hanoi Noibai

Tue 9/29

11:10 pm-6:03 am

2 stops41h 53m

$1,130

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Tue 9/22

8:00 am-10:15 pm

2 stops27h 15m

Hanoi Noibai

Wed 9/30

11:35 pm-12:38 am

3 stops36h 03m

$1,141
Quickest round-trip

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Sun 9/20

9:35 am-9:35 pm

2 stops25h 00m

Hanoi Noibai

Wed 9/30

11:10 pm-3:51 pm

2 stops27h 41m

$1,148

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Fri 9/25

7:00 am-9:35 pm

2 stops27h 35m

Hanoi Noibai

Tue 9/29

11:10 pm-3:43 pm

2 stops27h 33m

$1,154

BaltimoreHanoi

BWI - HAN

BWIHAN

Baltimore/Washington

Sun 9/20

8:00 am-10:15 pm

2 stops27h 15m

Hanoi Noibai

Wed 9/30

11:35 pm-12:38 am

3 stops36h 03m

$1,159

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 August is your next best option. Flight prices from Washington, D.C. to Hanoi during August average around $979.

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 $1,250 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 $865 on momondo.

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

You could potentially save up to 11% 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 April 2026, prices for Washington, D.C. to Hanoi flights are approximately 24% 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

Fastest flight time

21h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Hanoi takes 21h 50m
There are no direct flights from Washington, D.C. to Hanoi. There are no popular flight routes from Washington, D.C. to Hanoi.

Frequently asked questions about flying 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 50m.

  • 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 $821Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $887Free CancellationRating
7.4
4,291 reviews
Search Turkish Airlines flights
DeltaPriceFrom $947Free CancellationRating
7.9
8,368 reviews
Search Delta flights
United AirlinesPriceFrom $978Free CancellationRating
7.4
9,529 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $980Free CancellationRating
7.4
3,732 reviews
Search Qatar Airways flights
EVA AirPriceFrom $1,103Free CancellationRating
8.5
1,397 reviews
Search EVA Air flights
JetBluePriceFrom $1,130Free CancellationRating
7.2
2,908 reviews
Search JetBlue 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
Fri 5/1
Fri 5/8

Find better results for your trip to Vietnam