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Cheap flights from Hong Kong to Washington, D.C. from $590

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 8/31. 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
9:45 pm - 4:58 pm
HKG
-
DCA
31h 13m
2 stops
United Airlines Logo
7:00 pm - 5:00 am
DCA
-
HKG
22h 00m
1 stop
$998United Airlines
Fri, Oct 16 - Sat, Oct 17
United Airlines Logo
12:40 pm - 7:49 am
HKG
-
DCA
31h 09m
2 stops
United Airlines Logo
12:57 pm - 5:00 am
DCA
-
HKG
28h 03m
2 stops
$1,003United Airlines
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
9:45 pm - 9:59 am
HKG
-
DCA
24h 14m
2 stops
United Airlines Logo
12:57 pm - 5:00 am
DCA
-
HKG
28h 03m
2 stops
$1,099United Airlines
Sat, Aug 29 - Sun, Aug 30
United Airlines Logo
11:45 am - 10:52 pm
HKG
-
DCA
23h 07m
2 stops
United Airlines Logo
5:45 pm - 5:00 am
DCA
-
HKG
23h 15m
1 stop
$1,105United Airlines
Sat, Aug 29 - Sun, Aug 30
Multiple Airlines Logo
2:05 pm - 3:55 pm
HKG
-
DCA
37h 50m
3 stops
Multiple Airlines Logo
6:57 pm - 9:15 am
DCA
-
HKG
26h 18m
2 stops
$1,214Multiple Airlines
Fri, Oct 16 - Sat, Oct 17
United Airlines Logo
11:45 am - 10:30 pm
HKG
-
DCA
22h 45m
1 stop
United Airlines Logo
5:45 pm - 5:00 am
DCA
-
HKG
23h 15m
1 stop
$1,233United Airlines
Thu, Oct 8 - Mon, Oct 12
Delta Logo
12:45 am - 9:49 pm
HKG
-
DCA
33h 04m
2 stops
Delta Logo
9:39 am - 5:05 am
DCA
-
HKG
31h 26m
2 stops
$1,239Delta
Mon, Jul 20 - Fri, Jul 24
United Airlines Logo
11:45 am - 10:30 pm
HKG
-
DCA
22h 45m
1 stop
United Airlines Logo
5:45 pm - 5:00 am
DCA
-
HKG
23h 15m
1 stop
$1,241United Airlines
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
11:45 am - 10:30 pm
HKG
-
DCA
22h 45m
1 stop
United Airlines Logo
7:20 am - 6:55 pm
DCA
-
HKG
23h 35m
1 stop
$1,274United Airlines
Sun, Sep 6 - Wed, Sep 30
United Airlines Logo
10:30 pm - 11:54 am
HKG
-
DCA
25h 24m
2 stops
United Airlines Logo
1:04 pm - 5:00 am
DCA
-
HKG
27h 56m
2 stops
$1,284United Airlines
Mon, Aug 17 - Sun, Aug 30

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

Our best Delta deals on Hong Kong to Washington, D.C. Reagan-National Airport flight tickets
Delta
Jul 20
HKG12:45 amHong Kong Intl
33h 04m
2 stops
DCA9:49 pmWashington, D.C. Reagan-National
Jul 24
DCA9:39 amWashington, D.C. Reagan-National
31h 26m
2 stops
HKG5:05 amHong Kong Intl
$1,239
Delta
Jul 21
HKG9:25 amHong Kong Intl
42h 07m
1 stop
DCA3:32 pmWashington, D.C. Reagan-National
Jul 24
DCA9:39 amWashington, D.C. Reagan-National
31h 26m
2 stops
HKG5:05 amHong Kong Intl
$1,241
Delta
Aug 28
HKG12:20 pmHong Kong Intl
23h 28m
2 stops
DCA11:48 pmWashington, D.C. Reagan-National
Sep 18
DCA12:32 pmWashington, D.C. Reagan-National
28h 33m
2 stops
HKG5:05 amHong Kong Intl
$1,316

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 22
HKG9:30 amHong Kong Intl
22h 27m
2 stops
DCA7:57 pmWashington, D.C. Reagan-National
Jul 25
DCA6:59 amWashington, D.C. Reagan-National
27h 36m
2 stops
HKG10:35 pmHong Kong Intl
$1,320
Air Canada
Sep 10
HKG9:30 amHong Kong Intl
24h 20m
2 stops
DCA9:50 pmWashington, D.C. Reagan-National
Sep 28
DCA11:00 amWashington, D.C. Reagan-National
23h 45m
2 stops
HKG10:45 pmHong Kong Intl
$1,329
Air Canada
Sep 10
HKG9:30 amHong Kong Intl
24h 20m
2 stops
DCA9:50 pmWashington, D.C. Reagan-National
Sep 27
DCA12:40 pmWashington, D.C. Reagan-National
28h 35m
2 stops
HKG5:15 amHong Kong Intl
$1,352

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 July 11, 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

Fri 10/16

9:45 pm-4:58 pm

2 stops31h 13m

Washington, D.C. Reagan-National

Sat 10/17

7:00 pm-5:00 am

1 stop22h 00m

$998

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 10/8

12:40 pm-7:49 am

2 stops31h 09m

Washington, D.C. Reagan-National

Mon 10/12

12:57 pm-5:00 am

2 stops28h 03m

$1,003

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sat 8/29

9:45 pm-9:59 am

2 stops24h 14m

Washington, D.C. Reagan-National

Sun 8/30

12:57 pm-5:00 am

2 stops28h 03m

$1,099

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sat 8/29

11:45 am-10:52 pm

2 stops23h 07m

Washington, D.C. Reagan-National

Sun 8/30

5:45 pm-5:00 am

1 stop23h 15m

$1,105

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Fri 10/16

2:05 pm-3:55 pm

3 stops37h 50m

Washington, D.C. Reagan-National

Sat 10/17

6:57 pm-9:15 am

2 stops26h 18m

$1,214
Quickest round-trip

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 10/8

11:45 am-10:30 pm

1 stop22h 45m

Washington, D.C. Reagan-National

Mon 10/12

5:45 pm-5:00 am

1 stop23h 15m

$1,233

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 7/20

12:45 am-9:49 pm

2 stops33h 04m

Washington, D.C. Reagan-National

Fri 7/24

9:39 am-5:05 am

2 stops31h 26m

$1,239

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 10/8

11:45 am-10:30 pm

1 stop22h 45m

Washington, D.C. Reagan-National

Mon 10/12

5:45 pm-5:00 am

1 stop23h 15m

$1,241

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sun 9/6

11:45 am-10:30 pm

1 stop22h 45m

Washington, D.C. Reagan-National

Wed 9/30

7:20 am-6:55 pm

1 stop23h 35m

$1,274

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 8/17

10:30 pm-11:54 am

2 stops25h 24m

Washington, D.C. Reagan-National

Sun 8/30

1:04 pm-5:00 am

2 stops27h 56m

$1,284

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 30% 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

23h 16m

Direct flights

None
The fastest flight from Hong Kong to Washington, D.C. Reagan-National Airport takes 23h 16m
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. 23h 16m 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
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Tysons
Springfield
Fairfax
Bethesda
Edgewood

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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