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Cheap flights from Hong Kong to Washington, D.C. from $512

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Washington, D.C. departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:25 am - 11:18 pm
HKG
-
IAD
24h 53m2 stops
United Airlines Logo
10:20 pm - 6:45 am
IAD
-
HKG
43h 25m1 stop
$884United Airlines
Wed, Jan 28 - Sun, Feb 1
United Airlines Logo
10:35 am - 9:13 pm
HKG
-
IAD
23h 38m2 stops
United Airlines Logo
6:45 pm - 7:00 am
IAD
-
HKG
23h 15m1 stop
$898United Airlines
Tue, Jan 20 - Tue, Feb 3
Korean Air Logo
12:45 am - 11:15 am
HKG
-
IAD
22h 30m1 stop
Korean Air Logo
1:30 pm - 10:30 pm
IAD
-
HKG
21h 00m1 stop
$933Korean Air
Tue, Jun 9 - Thu, Jul 30
Delta Logo
12:20 pm - 12:09 am
HKG
-
IAD
23h 49m2 stops
Delta Logo
5:15 pm - 5:00 am
IAD
-
HKG
23h 45m2 stops
$937Delta
Wed, Jun 10 - Thu, Jul 30
Korean Air Logo
12:55 am - 9:50 am
HKG
-
IAD
21h 55m1 stop
Korean Air Logo
11:50 am - 11:20 am
IAD
-
HKG
34h 30m1 stop
$940Korean Air
Tue, Jan 27 - Sun, Feb 1
Korean Air Logo
12:55 am - 9:50 am
HKG
-
IAD
21h 55m1 stop
Korean Air Logo
11:50 am - 11:20 am
IAD
-
HKG
34h 30m1 stop
$941Korean Air
Tue, Jan 27 - Sun, Feb 1
Delta Logo
12:55 am - 11:06 pm
HKG
-
IAD
35h 11m2 stops
Delta Logo
5:26 pm - 11:10 pm
IAD
-
HKG
40h 44m2 stops
$944Delta
Mon, Jan 19 - Tue, Feb 3
Turkish Airlines Logo
11:20 pm - 11:45 am
HKG
-
IAD
25h 25m1 stop
Turkish Airlines Logo
9:15 pm - 5:05 pm
IAD
-
HKG
30h 50m1 stop
$976Turkish Airlines
Tue, Jan 20 - Tue, Feb 3
Delta Logo
12:35 pm - 12:21 am
HKG
-
IAD
24h 46m2 stops
Delta Logo
5:25 pm - 11:20 am
IAD
-
HKG
29h 55m2 stops
$1,001Delta
Sat, Mar 7 - Sat, Mar 14
Qatar Airways Logo
6:05 pm - 8:20 am
HKG
-
IAD
27h 15m1 stop
Qatar Airways Logo
8:05 pm - 9:40 pm
IAD
-
HKG
36h 35m1 stop
$1,013Qatar Airways
Thu, Feb 5 - Thu, Feb 12

Turkish Airlines flights from Hong Kong to Washington, D.C. Dulles Intl Airport

Our best Turkish Airlines deals on Hong Kong to Washington, D.C. Dulles Intl Airport flight tickets
Turkish Airlines
Dec 25
HKG10:00 amHong Kong Intl
38h 45m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Jan 19
IAD1:30 pmWashington, D.C. Dulles Intl
38h 35m
1 stop
HKG5:05 pmHong Kong Intl
$945
Find similar
Turkish Airlines
Jan 20
HKG11:20 pmHong Kong Intl
25h 25m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Feb 3
IAD9:15 pmWashington, D.C. Dulles Intl
30h 50m
1 stop
HKG5:05 pmHong Kong Intl
$976
Find similar
Turkish Airlines
Dec 25
HKG10:00 amHong Kong Intl
38h 45m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Jan 21
IAD9:15 pmWashington, D.C. Dulles Intl
30h 50m
1 stop
HKG5:05 pmHong Kong Intl
$1,003
Find similar

Delta flights from Hong Kong to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Hong Kong to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jun 10
HKG12:20 pmHong Kong Intl
23h 49m
2 stops
IAD12:09 amWashington, D.C. Dulles Intl
Jul 30
IAD5:15 pmWashington, D.C. Dulles Intl
23h 45m
2 stops
HKG5:00 amHong Kong Intl
$937
Find similar
Delta
Jan 19
HKG12:55 amHong Kong Intl
35h 11m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
Feb 3
IAD5:26 pmWashington, D.C. Dulles Intl
40h 44m
2 stops
HKG11:10 pmHong Kong Intl
$944
Find similar
Delta
Mar 7
HKG12:35 pmHong Kong Intl
24h 46m
2 stops
IAD12:21 amWashington, D.C. Dulles Intl
Mar 14
IAD5:25 pmWashington, D.C. Dulles Intl
29h 55m
2 stops
HKG11:20 amHong Kong Intl
$1,001
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to Washington, D.C. Dulles Intl Airport 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 December 23, 2025.
Use the filters below to find and compare flights from Hong Kong to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1/28

11:25 am-11:18 pm

2 stops24h 53m

Washington, D.C. Dulles Intl

Sun 2/1

10:20 pm-6:45 am

1 stop43h 25m

$884

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 1/20

10:35 am-9:13 pm

2 stops23h 38m

Washington, D.C. Dulles Intl

Tue 2/3

6:45 pm-7:00 am

1 stop23h 15m

$898

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 6/9

12:45 am-11:15 am

1 stop22h 30m

Washington, D.C. Dulles Intl

Thu 7/30

1:30 pm-10:30 pm

1 stop21h 00m

$933

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 6/10

12:20 pm-12:09 am

2 stops23h 49m

Washington, D.C. Dulles Intl

Thu 7/30

5:15 pm-5:00 am

2 stops23h 45m

$937

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 1/27

12:55 am-9:50 am

1 stop21h 55m

Washington, D.C. Dulles Intl

Sun 2/1

11:50 am-11:20 am

1 stop34h 30m

$940

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 1/27

12:55 am-9:50 am

1 stop21h 55m

Washington, D.C. Dulles Intl

Sun 2/1

11:50 am-11:20 am

1 stop34h 30m

$941

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 1/19

12:55 am-11:06 pm

2 stops35h 11m

Washington, D.C. Dulles Intl

Tue 2/3

5:26 pm-11:10 pm

2 stops40h 44m

$944

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 1/20

11:20 pm-11:45 am

1 stop25h 25m

Washington, D.C. Dulles Intl

Tue 2/3

9:15 pm-5:05 pm

1 stop30h 50m

$976

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 3/7

12:35 pm-12:21 am

2 stops24h 46m

Washington, D.C. Dulles Intl

Sat 3/14

5:25 pm-11:20 am

2 stops29h 55m

$1,001

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 2/5

6:05 pm-8:20 am

1 stop27h 15m

Washington, D.C. Dulles Intl

Thu 2/12

8:05 pm-9:40 pm

1 stop36h 35m

$1,013

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Hong Kong to Washington, D.C. Dulles Intl Airport

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 Hong Kong and Washington, D.C. Dulles Intl Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $928. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to Washington, D.C. Dulles Intl Airport for around $1,435.

Can stopping save me money on Hong Kong to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 12% on your flight if you consider stops on a Hong Kong to Washington, D.C. Dulles Intl Airport flight.

How have Hong Kong to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2025, prices for Hong Kong to Washington, D.C. Dulles Intl Airport flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from Hong Kong to Washington, D.C. Dulles Intl Airport

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

Cheap Hong Kong to Washington, D.C. Dulles Intl Airport (HKG to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Washington, D.C. Dulles Intl Airport

Fastest flight time

23h 38m

Direct flights

None
The fastest flight from Hong Kong to Washington, D.C. Dulles Intl Airport takes 23h 38m
There are no direct flights from Hong Kong to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Hong Kong to Washington, D.C. Dulles Intl Airport.
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  • How far is Hong Kong Intl to Washington, D.C. Dulles Intl by plane?

    There are 8131.2 mi between Hong Kong Intl and Washington, D.C. Dulles Intl. 23h 38m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Hong Kong Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Hong Kong Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from Hong Kong Intl Airport to Washington, D.C. Dulles Intl 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 Hong Kong Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

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

Finding the right flight to Washington, D.C. from Hong Kong 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 Washington, D.C. quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Washington, D.C. from Hong Kong which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Hong Kong.

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

If you are not ready to book a flight from Hong Kong to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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