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Cheap flights from Hong Kong to Washington, D.C. from $495

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 5/12. 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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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 59m
2 stops
United Airlines Logo
7:00 am - 7:20 pm
DCA
-
HKG
24h 20m
1 stop
$854United Airlines
Fri, Mar 6 - Mon, Mar 9
United Airlines Logo
10:30 pm - 8:51 am
HKG
-
DCA
22h 21m
2 stops
United Airlines Logo
1:00 pm - 5:00 am
DCA
-
HKG
28h 00m
2 stops
$868United Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
10:30 pm - 10:23 am
HKG
-
DCA
23h 53m
2 stops
Multiple Airlines Logo
5:59 pm - 5:00 am
DCA
-
HKG
23h 01m
1 stop
$877Multiple Airlines
Sun, Jun 14 - Sun, Jul 5
Multiple Airlines Logo
9:45 pm - 5:41 pm
HKG
-
DCA
31h 56m
2 stops
Multiple Airlines Logo
6:41 pm - 8:50 am
DCA
-
HKG
26h 09m
2 stops
$973Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
11:45 am - 11:35 am
HKG
-
DCA
35h 50m
2 stops
United Airlines Logo
7:30 am - 6:55 pm
DCA
-
HKG
23h 25m
1 stop
$987United Airlines
Wed, Apr 1 - Sun, Apr 5
Delta Logo
9:25 am - 7:18 pm
HKG
-
DCA
21h 53m
2 stops
Delta Logo
7:40 am - 10:45 pm
DCA
-
HKG
27h 05m
2 stops
$1,029Delta
Wed, Jun 17 - Thu, Jul 30
Delta Logo
9:25 am - 4:09 pm
HKG
-
DCA
42h 44m
1 stop
Delta Logo
5:10 pm - 5:05 am
DCA
-
HKG
23h 55m
1 stop
$1,086Delta
Wed, Jun 24 - Sun, Aug 2
Multiple Airlines Logo
9:45 am - 12:00 pm
HKG
-
DCA
38h 15m
2 stops
Multiple Airlines Logo
6:00 am - 10:45 pm
DCA
-
HKG
28h 45m
2 stops
$1,094Multiple Airlines
Sat, Jun 27 - Tue, Aug 4
Delta Logo
12:45 am - 6:11 pm
HKG
-
DCA
29h 26m
2 stops
Delta Logo
5:10 pm - 5:05 am
DCA
-
HKG
23h 55m
1 stop
$1,098Delta
Tue, Jun 23 - Fri, Aug 7
Air Canada Logo
9:45 am - 12:00 pm
HKG
-
DCA
38h 15m
2 stops
Air Canada Logo
12:55 pm - 5:10 am
DCA
-
HKG
28h 15m
2 stops
$1,103Air Canada
Thu, Jul 2 - Wed, Aug 5

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
Jun 17
HKG9:25 amHong Kong Intl
21h 53m
2 stops
DCA7:18 pmWashington, D.C. Reagan-National
Jul 30
DCA7:40 amWashington, D.C. Reagan-National
27h 05m
2 stops
HKG10:45 pmHong Kong Intl
$1,029
Delta
Jun 24
HKG9:25 amHong Kong Intl
42h 44m
1 stop
DCA4:09 pmWashington, D.C. Reagan-National
Aug 7
DCA5:10 pmWashington, D.C. Reagan-National
23h 55m
1 stop
HKG5:05 amHong Kong Intl
$1,086
Delta
Jun 23
HKG12:45 amHong Kong Intl
29h 26m
2 stops
DCA6:11 pmWashington, D.C. Reagan-National
Aug 7
DCA5:10 pmWashington, D.C. Reagan-National
23h 55m
1 stop
HKG5:05 amHong Kong Intl
$1,098

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 9
HKG4:05 pmHong Kong Intl
28h 59m
1 stop
DCA9:04 amWashington, D.C. Reagan-National
Apr 16
DCA10:18 amWashington, D.C. Reagan-National
30h 52m
1 stop
HKG5:10 amHong Kong Intl
$1,146
Cathay Pacific
Mar 24
HKG12:35 pmHong Kong Intl
19h 25m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
Mar 31
DCA6:37 pmWashington, D.C. Reagan-National
22h 33m
1 stop
HKG5:10 amHong Kong Intl
$1,185
Cathay Pacific
Mar 16
HKG9:30 amHong Kong Intl
23h 31m
1 stop
DCA9:01 pmWashington, D.C. Reagan-National
Mar 30
DCA4:04 pmWashington, D.C. Reagan-National
25h 06m
1 stop
HKG5:10 amHong Kong Intl
$1,236

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 23, 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

Fri 3/6

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

$854

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 3/24

10:30 pm-8:51 am

2 stops22h 21m

Washington, D.C. Reagan-National

Tue 3/31

1:00 pm-5:00 am

2 stops28h 00m

$868

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sun 6/14

10:30 pm-10:23 am

2 stops23h 53m

Washington, D.C. Reagan-National

Sun 7/5

5:59 pm-5:00 am

1 stop23h 01m

$877

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 4/7

9:45 pm-5:41 pm

2 stops31h 56m

Washington, D.C. Reagan-National

Tue 4/14

6:41 pm-8:50 am

2 stops26h 09m

$973

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Wed 4/1

11:45 am-11:35 am

2 stops35h 50m

Washington, D.C. Reagan-National

Sun 4/5

7:30 am-6:55 pm

1 stop23h 25m

$987

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Wed 6/17

9:25 am-7:18 pm

2 stops21h 53m

Washington, D.C. Reagan-National

Thu 7/30

7:40 am-10:45 pm

2 stops27h 05m

$1,029

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Wed 6/24

9:25 am-4:09 pm

1 stop42h 44m

Washington, D.C. Reagan-National

Sun 8/2

5:10 pm-5:05 am

1 stop23h 55m

$1,086

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sat 6/27

9:45 am-12:00 pm

2 stops38h 15m

Washington, D.C. Reagan-National

Tue 8/4

6:00 am-10:45 pm

2 stops28h 45m

$1,094

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 6/23

12:45 am-6:11 pm

2 stops29h 26m

Washington, D.C. Reagan-National

Fri 8/7

5:10 pm-5:05 am

1 stop23h 55m

$1,098

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Thu 7/2

9:45 am-12:00 pm

2 stops38h 15m

Washington, D.C. Reagan-National

Wed 8/5

12:55 pm-5:10 am

2 stops28h 15m

$1,103

Flights are sorted by cheapest round-trip flights 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 16% 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 59m

Direct flights

None
The fastest flight from Hong Kong to Washington, D.C. Reagan-National Airport takes 22h 59m
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 59m 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
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Tysons
Fredericksburg
Rockville
Manassas
Springfield
Fairfax
Bethesda
Linthicum Heights
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.

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