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Cheap flights from Hong Kong to Washington, D.C. from $556

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 6/16. 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

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
10:45 pm - 11:25 am
HKG
-
DCA
25h 40m
2 stops
United Airlines Logo
6:00 pm - 6:45 am
DCA
-
HKG
23h 45m
1 stop
$1,054United Airlines
Mon, Nov 2 - Sun, Nov 8
United Airlines Logo
10:30 pm - 10:17 am
HKG
-
DCA
24h 47m
2 stops
United Airlines Logo
11:30 am - 7:00 am
DCA
-
HKG
30h 30m
2 stops
$1,068United Airlines
Thu, Nov 5 - Thu, Nov 26
United Airlines Logo
9:45 pm - 8:54 am
HKG
-
DCA
23h 09m
2 stops
United Airlines Logo
5:59 pm - 5:00 am
DCA
-
HKG
23h 01m
1 stop
$1,131United Airlines
Mon, Jul 6 - Tue, Jul 21
Multiple Airlines Logo
8:10 pm - 5:59 pm
HKG
-
DCA
33h 49m
2 stops
Multiple Airlines Logo
6:59 pm - 10:05 am
DCA
-
HKG
27h 06m
2 stops
$1,187Multiple Airlines
Fri, Sep 4 - Sat, Sep 19
Multiple Airlines Logo
10:40 am - 9:50 pm
HKG
-
DCA
23h 10m
2 stops
Multiple Airlines Logo
4:20 pm - 9:10 pm
DCA
-
HKG
40h 50m
2 stops
$1,244Multiple Airlines
Wed, Sep 16 - Sun, Sep 20
Delta Logo
10:55 am - 4:01 pm
HKG
-
DCA
42h 06m
1 stop
Delta Logo
5:25 pm - 7:40 am
DCA
-
HKG
25h 15m
1 stop
$1,250Delta
Mon, Nov 2 - Sun, Nov 8
Delta Logo
10:55 am - 10:53 pm
HKG
-
DCA
24h 58m
2 stops
Delta Logo
5:15 pm - 7:40 am
DCA
-
HKG
25h 25m
2 stops
$1,251Delta
Sun, Nov 22 - Mon, Nov 30
Delta Logo
12:55 am - 11:53 am
HKG
-
DCA
23h 58m
2 stops
Delta Logo
5:25 pm - 7:40 am
DCA
-
HKG
25h 15m
1 stop
$1,257Delta
Mon, Nov 23 - Fri, Nov 27
Delta Logo
12:55 am - 11:53 am
HKG
-
DCA
23h 58m
2 stops
Delta Logo
7:40 am - 11:10 pm
DCA
-
HKG
26h 30m
2 stops
$1,263Delta
Mon, Nov 23 - Sun, Nov 29
Delta Logo
10:55 am - 10:15 pm
HKG
-
DCA
24h 20m
2 stops
Delta Logo
5:25 pm - 7:40 am
DCA
-
HKG
25h 15m
1 stop
$1,264Delta
Thu, Nov 19 - Fri, Nov 27

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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
Jul 6
HKG9:45 amHong Kong Intl
36h 33m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
Jul 21
DCA4:20 pmWashington, D.C. Reagan-National
24h 55m
2 stops
HKG5:15 amHong Kong Intl
$1,346
Air Canada
Nov 24
HKG12:55 amHong Kong Intl
34h 42m
2 stops
DCA10:37 pmWashington, D.C. Reagan-National
Nov 30
DCA6:59 amWashington, D.C. Reagan-National
39h 21m
2 stops
HKG11:20 amHong Kong Intl
$1,393
Air Canada
Nov 24
HKG12:55 amHong Kong Intl
34h 42m
2 stops
DCA10:37 pmWashington, D.C. Reagan-National
Dec 2
DCA6:00 amWashington, D.C. Reagan-National
27h 50m
2 stops
HKG10:50 pmHong Kong Intl
$1,394

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
Sep 15
HKG4:05 pmHong Kong Intl
19h 54m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
Sep 22
DCA6:58 pmWashington, D.C. Reagan-National
22h 12m
1 stop
HKG5:10 amHong Kong Intl
$1,572
Cathay Pacific
Jun 24
HKG9:05 amHong Kong Intl
26h 09m
1 stop
DCA11:14 pmWashington, D.C. Reagan-National
Jul 6
DCA11:35 amWashington, D.C. Reagan-National
21h 25m
1 stop
HKG9:00 pmHong Kong Intl
$1,595

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 June 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

Cheapest round-trip

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 11/2

10:45 pm-11:25 am

2 stops25h 40m

Washington, D.C. Reagan-National

Sun 11/8

6:00 pm-6:45 am

1 stop23h 45m

$1,054

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 11/5

10:30 pm-10:17 am

2 stops24h 47m

Washington, D.C. Reagan-National

Thu 11/26

11:30 am-7:00 am

2 stops30h 30m

$1,068
Quickest round-trip

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 7/6

9:45 pm-8:54 am

2 stops23h 09m

Washington, D.C. Reagan-National

Tue 7/21

5:59 pm-5:00 am

1 stop23h 01m

$1,131

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Fri 9/4

8:10 pm-5:59 pm

2 stops33h 49m

Washington, D.C. Reagan-National

Sat 9/19

6:59 pm-10:05 am

2 stops27h 06m

$1,187

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Wed 9/16

10:40 am-9:50 pm

2 stops23h 10m

Washington, D.C. Reagan-National

Sun 9/20

4:20 pm-9:10 pm

2 stops40h 50m

$1,244

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 11/2

10:55 am-4:01 pm

1 stop42h 06m

Washington, D.C. Reagan-National

Sun 11/8

5:25 pm-7:40 am

1 stop25h 15m

$1,250

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sun 11/22

10:55 am-10:53 pm

2 stops24h 58m

Washington, D.C. Reagan-National

Mon 11/30

5:15 pm-7:40 am

2 stops25h 25m

$1,251

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 11/23

12:55 am-11:53 am

2 stops23h 58m

Washington, D.C. Reagan-National

Fri 11/27

5:25 pm-7:40 am

1 stop25h 15m

$1,257

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 11/23

12:55 am-11:53 am

2 stops23h 58m

Washington, D.C. Reagan-National

Sun 11/29

7:40 am-11:10 pm

2 stops26h 30m

$1,263

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 11/19

10:55 am-10:15 pm

2 stops24h 20m

Washington, D.C. Reagan-National

Fri 11/27

5:25 pm-7:40 am

1 stop25h 15m

$1,264

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. 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 17% 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

20h 15m

Direct flights

None
The fastest flight from Hong Kong to Washington, D.C. Reagan-National Airport takes 20h 15m
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

Frequently asked questions about flying from Hong Kong to Washington, D.C. Reagan-National Airport

  • 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. 20h 15m 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
Gaithersburg
Fredericksburg
Colonial Beach
Silver Spring
Rockville
Towson
Linthicum Heights
Manassas
Tysons
Springfield
Fairfax
Bethesda
College Park

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.

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