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Cheap flights from Hong Kong to Washington, D.C. from $451

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 1/27. 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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Find the cheapest flights from Hong Kong to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:30 pm - 8:29 am
HKG
-
DCA
22h 59m2 stops
United Airlines Logo
7:00 am - 7:20 pm
DCA
-
HKG
24h 20m1 stop
$884United Airlines
Thu, Mar 5 - Mon, Mar 9
Air China Logo
8:30 am - 6:30 pm
HKG
-
IAD
23h 00m1 stop
Air China Logo
10:00 pm - 7:00 pm
IAD
-
HKG
32h 00m1 stop
$917Air China
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
7:40 pm - 8:00 pm
HKG
-
DCA
37h 20m2 stops
Multiple Airlines Logo
9:59 am - 9:00 am
DCA
-
HKG
34h 01m2 stops
$934Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Korean Air Logo
12:55 am - 9:50 am
HKG
-
IAD
21h 55m1 stop
Korean Air Logo
12:50 pm - 11:10 pm
IAD
-
HKG
22h 20m1 stop
$940Korean Air
Thu, Mar 5 - Mon, Mar 9
Delta Logo
12:55 am - 12:24 am
HKG
-
IAD
36h 29m2 stops
Delta Logo
6:00 am - 11:10 pm
IAD
-
HKG
28h 10m2 stops
$944Delta
Thu, Jan 22 - Fri, Jan 30
Korean Air Logo
12:45 am - 11:15 am
HKG
-
IAD
22h 30m1 stop
Korean Air Logo
1:30 pm - 10:55 am
IAD
-
HKG
33h 25m1 stop
$988Korean Air
Fri, Jun 5 - Tue, Jul 28
Delta Logo
12:20 pm - 11:55 pm
HKG
-
IAD
23h 35m2 stops
Delta Logo
1:00 pm - 5:00 am
IAD
-
HKG
28h 00m2 stops
$994Delta
Sat, Jun 6 - Tue, Jul 28
Multiple Airlines Logo
12:35 pm - 8:00 pm
HKG
-
DCA
20h 25m1 stop
Multiple Airlines Logo
9:59 am - 5:05 am
DCA
-
HKG
30h 06m1 stop
$1,009Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Air Canada Logo
8:25 pm - 12:19 pm
HKG
-
DCA
28h 54m2 stops
Air Canada Logo
4:15 pm - 6:40 pm
DCA
-
HKG
37h 25m2 stops
$1,189Air Canada
Sat, Jan 24 - Sat, Jan 31
Air Canada Logo
8:25 pm - 12:19 pm
HKG
-
DCA
28h 54m2 stops
Air Canada Logo
8:40 pm - 6:40 pm
DCA
-
HKG
33h 00m2 stops
$1,192Air Canada
Sat, Jan 24 - Fri, Jan 30

Emirates flights from Hong Kong to Washington, D.C.

Our best Emirates deals on Hong Kong to Washington, D.C. flight tickets
Emirates
Jun 6
HKG9:30 pmHong Kong Intl
38h 21m
3 stops
IAD11:51 pmWashington, D.C. Dulles Intl
Jul 28
IAD10:55 amWashington, D.C. Dulles Intl
43h 10m
2 stops
HKG6:05 pmHong Kong Intl
$1,887
Find similar
Emirates
Jun 5
HKG12:40 amHong Kong Intl
33h 36m
2 stops
DCA10:16 pmWashington, D.C. Reagan-National
Jul 28
DCA5:00 pmWashington, D.C. Reagan-National
37h 05m
3 stops
HKG6:05 pmHong Kong Intl
$1,972
Find similar
Emirates
Jun 6
HKG9:30 pmHong Kong Intl
38h 15m
3 stops
DCA11:45 pmWashington, D.C. Reagan-National
Jul 28
DCA5:00 pmWashington, D.C. Reagan-National
37h 05m
3 stops
HKG6:05 pmHong Kong Intl
$2,128
Find similar

Korean Air flights from Hong Kong to Washington, D.C.

Our best Korean Air deals on Hong Kong to Washington, D.C. flight tickets
Korean Air
Mar 5
HKG12:55 amHong Kong Intl
21h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Mar 9
IAD12:50 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
HKG11:10 pmHong Kong Intl
$940
Find similar
Korean Air
Jun 5
HKG12:45 amHong Kong Intl
22h 30m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl
Jul 28
IAD1:30 pmWashington, D.C. Dulles Intl
33h 25m
1 stop
HKG10:55 amHong Kong Intl
$988
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to Washington, D.C. 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 11, 2025.
Use the filters below to find and compare flights from Hong Kong to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 3/5

10:30 pm-8:29 am

2 stops22h 59m

Washington, D.C. Reagan-National

Mon 3/9

7:00 am-7:20 pm

1 stop24h 20m

$884

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 1/23

8:30 am-6:30 pm

1 stop23h 00m

Washington, D.C. Dulles Intl

Fri 1/30

10:00 pm-7:00 pm

1 stop32h 00m

$917

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 1/22

7:40 pm-8:00 pm

2 stops37h 20m

Washington, D.C. Reagan-National

Thu 1/29

9:59 am-9:00 am

2 stops34h 01m

$934

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 3/5

12:55 am-9:50 am

1 stop21h 55m

Washington, D.C. Dulles Intl

Mon 3/9

12:50 pm-11:10 pm

1 stop22h 20m

$940

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 1/22

12:55 am-12:24 am

2 stops36h 29m

Washington, D.C. Dulles Intl

Fri 1/30

6:00 am-11:10 pm

2 stops28h 10m

$944

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 6/5

12:45 am-11:15 am

1 stop22h 30m

Washington, D.C. Dulles Intl

Tue 7/28

1:30 pm-10:55 am

1 stop33h 25m

$988

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 6/6

12:20 pm-11:55 pm

2 stops23h 35m

Washington, D.C. Dulles Intl

Tue 7/28

1:00 pm-5:00 am

2 stops28h 00m

$994

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 1/22

12:35 pm-8:00 pm

1 stop20h 25m

Washington, D.C. Reagan-National

Thu 1/29

9:59 am-5:05 am

1 stop30h 06m

$1,009

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sat 1/24

8:25 pm-12:19 pm

2 stops28h 54m

Washington, D.C. Reagan-National

Sat 1/31

4:15 pm-6:40 pm

2 stops37h 25m

$1,189

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sat 1/24

8:25 pm-12:19 pm

2 stops28h 54m

Washington, D.C. Reagan-National

Fri 1/30

8:40 pm-6:40 pm

2 stops33h 00m

$1,192

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.

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.?

What is the cheapest month to fly to Washington, D.C.?

The month of December is, on average, the cheapest month to fly to Washington, D.C. from Hong Kong, with most prices found around $936. If you’re not able to fly to Washington, D.C. in December, then September is your next best option. Flight prices from Hong Kong to Washington, D.C. during September average around $955.

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

On average, the least expensive day to fly to Washington, D.C. from Hong Kong is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,012. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to Washington, D.C. for around $1,448.

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

You could potentially save up to 8% on your flight if you consider stops on a Hong Kong to Washington, D.C. flight.

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

As of December 2025, prices for Hong Kong to Washington, D.C. flights are approximately 14% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Washington, D.C. 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. (HKG to WAS) flight deals and tips

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

Fastest flight time

22h 00m

Direct flights

None
The fastest flight from Hong Kong to Washington, D.C. takes 22h 00m
There are no direct flights from Hong Kong to Washington, D.C.. There are no popular flight routes from Hong Kong to Washington, D.C..
Search flight deals

  • How far is Hong Kong Intl to Washington, D.C. by plane?

    Washington, D.C. is 8138.7 mi away from Hong Kong Intl. In terms of flight time, this usually takes a little over 22h 00m.

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

    Prices for flights from Hong Kong Intl Airport to Washington, D.C. were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hong Kong Intl Airport to Washington, D.C..

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

    The required travel and health documents for your Washington, D.C. 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 Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to Washington, D.C. for you.

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

All flight searches from Hong Kong to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Hong Kong and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Hong Kong. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport