Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Hong Kong to Washington, D.C. from $520

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 4/25. 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

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.
Search flight deals

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 - 12:18 pm
HKG
-
DCA
25h 48m
2 stops
United Airlines Logo
5:55 pm - 5:45 am
DCA
-
HKG
23h 50m
1 stop
$854United Airlines
Sun, Mar 8 - Sun, Mar 15
United Airlines Logo
9:45 pm - 9:59 am
HKG
-
DCA
24h 14m
2 stops
United Airlines Logo
5:59 pm - 5:00 am
DCA
-
HKG
23h 01m
1 stop
$868United Airlines
Wed, Apr 1 - Sun, Apr 5
Multiple Airlines Logo
9:50 pm - 8:05 pm
HKG
-
DCA
34h 15m
2 stops
Multiple Airlines Logo
6:59 pm - 2:20 pm
DCA
-
HKG
31h 21m
2 stops
$960Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
1:00 pm - 10:43 pm
HKG
-
DCA
21h 43m
2 stops
Multiple Airlines Logo
6:59 am - 11:30 pm
DCA
-
HKG
28h 31m
2 stops
$992Multiple Airlines
Thu, Apr 30 - Thu, May 14
Multiple Airlines Logo
1:30 pm - 8:00 pm
HKG
-
DCA
42h 30m
2 stops
Multiple Airlines Logo
6:41 pm - 8:50 am
DCA
-
HKG
26h 09m
2 stops
$1,019Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Air Canada Logo
9:30 am - 9:55 pm
HKG
-
DCA
24h 25m
2 stops
Air Canada Logo
6:00 am - 10:45 pm
DCA
-
HKG
28h 45m
2 stops
$1,024Air Canada
Wed, Jun 17 - Wed, Jul 15
Air Canada Logo
9:30 am - 9:53 pm
HKG
-
DCA
24h 23m
2 stops
Air Canada Logo
6:00 am - 10:45 pm
DCA
-
HKG
28h 45m
2 stops
$1,025Air Canada
Tue, Apr 28 - Tue, May 12
Air Canada Logo
9:30 am - 9:53 pm
HKG
-
DCA
24h 23m
2 stops
Air Canada Logo
12:45 pm - 5:10 am
DCA
-
HKG
52h 25m
2 stops
$1,027Air Canada
Tue, Apr 28 - Sat, May 16
Multiple Airlines Logo
9:30 am - 7:58 pm
HKG
-
DCA
22h 28m
2 stops
Multiple Airlines Logo
11:00 am - 10:30 pm
DCA
-
HKG
23h 30m
2 stops
$1,028Multiple Airlines
Fri, May 1 - Fri, May 15
Air Canada Logo
9:30 am - 7:53 pm
HKG
-
DCA
22h 23m
2 stops
Air Canada Logo
6:00 am - 10:45 pm
DCA
-
HKG
28h 45m
2 stops
$1,030Air Canada
Tue, Apr 21 - Wed, Apr 29

Cathay Pacific flights from Hong Kong to Washington, D.C. Reagan-National Airport

Our best Cathay Pacific deals on Hong Kong to Washington, D.C. Reagan-National Airport flight tickets
Cathay Pacific
Apr 30
HKG4:05 pmHong Kong Intl
19h 54m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
May 14
DCA5:55 amWashington, D.C. Reagan-National
27h 05m
1 stop
HKG9:00 pmHong Kong Intl
$1,233
Cathay Pacific
Jun 17
HKG6:25 pmHong Kong Intl
37h 37m
1 stop
DCA8:02 pmWashington, D.C. Reagan-National
Jul 15
DCA6:59 pmWashington, D.C. Reagan-National
21h 06m
1 stop
HKG4:05 amHong Kong Intl
$1,274
Cathay Pacific
Mar 10
HKG9:30 amHong Kong Intl
19h 07m
1 stop
DCA4:37 pmWashington, D.C. Reagan-National
Mar 15
DCA6:37 pmWashington, D.C. Reagan-National
21h 58m
1 stop
HKG4:35 amHong Kong Intl
$1,284

Air Canada flights from Hong Kong to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Hong Kong to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Jun 17
HKG9:30 amHong Kong Intl
24h 25m
2 stops
DCA9:55 pmWashington, D.C. Reagan-National
Jul 15
DCA6:00 amWashington, D.C. Reagan-National
28h 45m
2 stops
HKG10:45 pmHong Kong Intl
$1,024
Air Canada
Apr 28
HKG9:30 amHong Kong Intl
24h 23m
2 stops
DCA9:53 pmWashington, D.C. Reagan-National
May 12
DCA6:00 amWashington, D.C. Reagan-National
28h 45m
2 stops
HKG10:45 pmHong Kong Intl
$1,025
Air Canada
Apr 28
HKG9:30 amHong Kong Intl
24h 23m
2 stops
DCA9:53 pmWashington, D.C. Reagan-National
May 16
DCA12:45 pmWashington, D.C. Reagan-National
52h 25m
2 stops
HKG5:10 amHong Kong Intl
$1,027

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to Washington, D.C. Reagan-National 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 February 10, 2026.
Use the filters below to find and compare flights from Hong Kong to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sun 3/8

10:30 pm-12:18 pm

2 stops25h 48m

Washington, D.C. Reagan-National

Sun 3/15

5:55 pm-5:45 am

1 stop23h 50m

$854

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Wed 4/1

9:45 pm-9:59 am

2 stops24h 14m

Washington, D.C. Reagan-National

Sun 4/5

5:59 pm-5:00 am

1 stop23h 01m

$868

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 3/9

9:50 pm-8:05 pm

2 stops34h 15m

Washington, D.C. Reagan-National

Mon 3/16

6:59 pm-2:20 pm

2 stops31h 21m

$960

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 4/30

1:00 pm-10:43 pm

2 stops21h 43m

Washington, D.C. Reagan-National

Thu 5/14

6:59 am-11:30 pm

2 stops28h 31m

$992

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 3/24

1:30 pm-8:00 pm

2 stops42h 30m

Washington, D.C. Reagan-National

Tue 3/31

6:41 pm-8:50 am

2 stops26h 09m

$1,019

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Wed 6/17

9:30 am-9:55 pm

2 stops24h 25m

Washington, D.C. Reagan-National

Wed 7/15

6:00 am-10:45 pm

2 stops28h 45m

$1,024

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 4/28

9:30 am-9:53 pm

2 stops24h 23m

Washington, D.C. Reagan-National

Tue 5/12

6:00 am-10:45 pm

2 stops28h 45m

$1,025

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 4/28

9:30 am-9:53 pm

2 stops24h 23m

Washington, D.C. Reagan-National

Sat 5/16

12:45 pm-5:10 am

2 stops52h 25m

$1,027

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Fri 5/1

9:30 am-7:58 pm

2 stops22h 28m

Washington, D.C. Reagan-National

Fri 5/15

11:00 am-10:30 pm

2 stops23h 30m

$1,028

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 4/21

9:30 am-7:53 pm

2 stops22h 23m

Washington, D.C. Reagan-National

Wed 4/29

6:00 am-10:45 pm

2 stops28h 45m

$1,030

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. Reagan-National 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

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

You could potentially save up to 19% on your flight if you consider stops on a Hong Kong to Washington, D.C. Reagan-National Airport flight.

When to book flights from Hong Kong to Washington, D.C. Reagan-National Airport

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

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

Fastest flight time

22h 28m

Direct flights

None
The fastest flight from Hong Kong to Washington, D.C. Reagan-National Airport takes 22h 28m
There are no direct flights from Hong Kong to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Hong Kong to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    A flight from Hong Kong Intl to Washington, D.C. Reagan-National will travel around 8142.3 mi. 22h 28m 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. Reagan-National Airport?

    Prices for flights from Hong Kong Intl Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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. Reagan-National Airport.

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

    The travel and health documents required for your trip to Washington, D.C. Reagan-National 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. Reagan-National 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
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
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?

Flights from Hong Kong to Washington, D.C. 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 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?

Of course. momondo tracks the price of Hong Kong to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. Reagan-National 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/12
Thu 3/19
By creating a price alert you accept our terms of use and privacy policy.

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