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 8/26. 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 Hong Kong to Washington, D.C.

Cheap round-trip flights

United Airlines Logo
9:15 am - 10:39 pmHKG-IAD
25h 24m2 stops
United Airlines Logo
8:00 pm - 4:45 pmIAD-HKG
32h 45m1 stop
$892United Airlines
Find Deal
Fri, Sep 12 - Fri, Sep 19
Turkish Airlines Logo
10:30 pm - 7:45 pmHKG-IAD
33h 15m1 stop
Turkish Airlines Logo
9:10 pm - 8:20 amIAD-HKG
22h 10m1 stop
$923Turkish Airlines
Find Deal
Tue, Oct 14 - Tue, Feb 24
United Airlines Logo
9:15 am - 8:55 pmHKG-IAD
23h 40m2 stops
United Airlines Logo
7:00 am - 4:45 pmIAD-HKG
21h 45m1 stop
$933United Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
Delta Logo
12:20 pm - 11:40 pmHKG-IAD
23h 20m2 stops
Delta Logo
12:35 pm - 10:40 amIAD-HKG
34h 05m2 stops
$940Delta
Find Deal
Thu, Sep 4 - Sat, Sep 20
Air Canada Logo
6:00 pm - 6:31 amHKG-IAD
24h 31m1 stop
Air Canada Logo
5:37 pm - 4:05 pmIAD-HKG
58h 28m2 stops
$962Air Canada
Find Deal
Thu, Sep 4 - Sat, Sep 20
Air Canada Logo
6:00 pm - 9:05 pmHKG-IAD
39h 05m2 stops
Air Canada Logo
5:37 pm - 4:05 pmIAD-HKG
58h 28m2 stops
$965Air Canada
Find Deal
Wed, Sep 24 - Mon, Sep 29
EVA Air Logo
5:10 pm - 7:33 amHKG-IAD
26h 23m2 stops
EVA Air Logo
6:09 pm - 8:50 amIAD-HKG
26h 41m2 stops
$971EVA Air
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
12:45 am - 4:07 pmHKG-IAD
27h 22m2 stops
Delta Logo
7:05 am - 10:30 pmIAD-HKG
27h 25m2 stops
$979Delta
Find Deal
Thu, Sep 11 - Fri, Sep 19
Qatar Airways Logo
1:25 am - 3:40 pmHKG-IAD
26h 15m1 stop
Qatar Airways Logo
11:00 am - 9:45 pmIAD-HKG
22h 45m1 stop
$1,146Qatar Airways
Find Deal
Thu, Sep 11 - Fri, Sep 19
Qatar Airways Logo
2:50 pm - 8:20 amHKG-IAD
30h 30m2 stops
Qatar Airways Logo
10:40 am - 9:40 pmIAD-HKG
22h 00m1 stop
$1,228Qatar Airways
Find Deal
Thu, Dec 18 - Fri, Jan 2

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

Our best United Airlines deals on Hong Kong to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Sep 12
HKG9:15 amHong Kong Intl
25h 24m
2 stops
IAD10:39 pmWashington, D.C. Dulles Intl
Sep 19
IAD8:00 pmWashington, D.C. Dulles Intl
32h 45m
1 stop
HKG4:45 pmHong Kong Intl
United Airlines
Sep 22
HKG9:15 amHong Kong Intl
23h 40m
2 stops
IAD8:55 pmWashington, D.C. Dulles Intl
Sep 29
IAD7:00 amWashington, D.C. Dulles Intl
21h 45m
1 stop
HKG4:45 pmHong Kong Intl
United Airlines
Sep 4
HKG6:55 pmHong Kong Intl
23h 53m
1 stop
IAD6:48 amWashington, D.C. Dulles Intl
Sep 20
IAD8:00 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
HKG5:40 amHong Kong Intl

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
Oct 14
HKG10:30 pmHong Kong Intl
33h 15m
1 stop
IAD7:45 pmWashington, D.C. Dulles Intl
Feb 24
IAD9:10 pmWashington, D.C. Dulles Intl
22h 10m
1 stop
HKG8:20 amHong Kong Intl
Turkish Airlines
Dec 17
HKG11:20 pmHong Kong Intl
25h 25m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Feb 3
IAD9:10 pmWashington, D.C. Dulles Intl
30h 55m
1 stop
HKG5:05 pmHong Kong Intl
Turkish Airlines
Dec 18
HKG10:00 amHong Kong Intl
46h 15m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Jan 2
IAD1:30 pmWashington, D.C. Dulles Intl
29h 50m
1 stop
HKG8:20 amHong Kong Intl

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 July 31, 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

Fri 9/12

9:15 am-10:39 pm

2 stops25h 24m

Washington, D.C. Dulles Intl

Fri 9/19

8:00 pm-4:45 pm

1 stop32h 45m

$892

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10/14

10:30 pm-7:45 pm

1 stop33h 15m

Washington, D.C. Dulles Intl

Tue 2/24

9:10 pm-8:20 am

1 stop22h 10m

$923

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 9/22

9:15 am-8:55 pm

2 stops23h 40m

Washington, D.C. Dulles Intl

Mon 9/29

7:00 am-4:45 pm

1 stop21h 45m

$933

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 9/4

12:20 pm-11:40 pm

2 stops23h 20m

Washington, D.C. Dulles Intl

Sat 9/20

12:35 pm-10:40 am

2 stops34h 05m

$940

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 9/4

6:00 pm-6:31 am

1 stop24h 31m

Washington, D.C. Dulles Intl

Sat 9/20

5:37 pm-4:05 pm

2 stops58h 28m

$962

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 9/24

6:00 pm-9:05 pm

2 stops39h 05m

Washington, D.C. Dulles Intl

Mon 9/29

5:37 pm-4:05 pm

2 stops58h 28m

$965

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 9/13

5:10 pm-7:33 am

2 stops26h 23m

Washington, D.C. Dulles Intl

Sat 9/20

6:09 pm-8:50 am

2 stops26h 41m

$971

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 9/11

12:45 am-4:07 pm

2 stops27h 22m

Washington, D.C. Dulles Intl

Fri 9/19

7:05 am-10:30 pm

2 stops27h 25m

$979

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 9/11

1:25 am-3:40 pm

1 stop26h 15m

Washington, D.C. Dulles Intl

Fri 9/19

11:00 am-9:45 pm

1 stop22h 45m

$1,146

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 12/18

2:50 pm-8:20 am

2 stops30h 30m

Washington, D.C. Dulles Intl

Fri 1/2

10:40 am-9:40 pm

1 stop22h 00m

$1,228

Flights are sorted by cheapest round-trip flights first.

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

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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, October is the cheapest month to fly from Hong Kong to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $928. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $939.

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 22% 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 July 2025, prices for Hong Kong to Washington, D.C. Dulles Intl Airport flights are approximately 28% cheaper 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

Best Price Found

$512

Fastest flight time

21h 55m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Hong Kong in the past 72 hours is $512. The best round-trip flight deal from Hong Kong to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $892.
The fastest flight from Hong Kong to Washington, D.C. Dulles Intl Airport takes 21h 55m
There are no direct flights from Hong Kong to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Hong Kong Intl Airport - Washington, D.C. Dulles Intl Airport.

  • 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. 22h 02m 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 many operators does momondo search for flights from Hong Kong Intl Airport to Washington, D.C. Dulles Intl Airport?

  • 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.

  • What is the most popular airline from Hong Kong to Washington, D.C. Dulles Intl Airport?


Best airlines flying from Hong Kong to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Hong Kong to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $889Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $895Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

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

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

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.


An easier way to manage your Washington, D.C. Dulles Intl Airport 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
Tue 8/5
Tue 8/12

Find better results for your trip to Washington, D.C.