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Cheap flights from Washington, D.C. Reagan-National Airport to Hong Kong from $542

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Hong Kong 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Hong Kong

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:55 pm - 5:10 am
DCA
-
HKG
27h 15m
2 stops
Air Canada Logo
10:45 am - 9:59 pm
HKG
-
DCA
24h 14m
2 stops
$1,000Air Canada
Mon, Nov 9 - Mon, Nov 23
Air Canada Logo
6:00 am - 5:10 am
DCA
-
HKG
34h 10m
2 stops
Air Canada Logo
10:45 am - 10:29 am
HKG
-
DCA
36h 44m
2 stops
$1,003Air Canada
Wed, Nov 18 - Mon, Jan 18
Air Canada Logo
11:00 am - 5:15 am
DCA
-
HKG
30h 15m
2 stops
Air Canada Logo
9:45 am - 10:20 am
HKG
-
DCA
36h 35m
2 stops
$1,008Air Canada
Mon, Sep 14 - Mon, Sep 28
Air Canada Logo
12:55 pm - 5:10 am
DCA
-
HKG
27h 15m
2 stops
Air Canada Logo
10:45 am - 9:59 pm
HKG
-
DCA
24h 14m
2 stops
$1,010Air Canada
Wed, Nov 25 - Tue, Jan 26
Air Canada Logo
12:55 pm - 5:10 am
DCA
-
HKG
27h 15m
2 stops
Air Canada Logo
10:45 am - 10:38 pm
HKG
-
DCA
24h 53m
2 stops
$1,015Air Canada
Thu, Nov 19 - Wed, Jan 20
Air Canada Logo
6:00 am - 5:10 am
DCA
-
HKG
34h 10m
2 stops
Air Canada Logo
10:45 am - 10:38 pm
HKG
-
DCA
24h 53m
2 stops
$1,018Air Canada
Tue, Nov 17 - Tue, Jan 19
Air Canada Logo
12:55 pm - 5:10 am
DCA
-
HKG
27h 15m
2 stops
Air Canada Logo
10:45 am - 9:59 pm
HKG
-
DCA
24h 14m
2 stops
$1,040Air Canada
Tue, Nov 17 - Fri, Dec 11
Air Canada Logo
4:20 pm - 5:15 am
DCA
-
HKG
48h 55m
2 stops
Air Canada Logo
9:45 am - 10:20 am
HKG
-
DCA
36h 35m
2 stops
$1,043Air Canada
Thu, Sep 24 - Wed, Oct 21
Air Canada Logo
4:20 pm - 5:15 am
DCA
-
HKG
24h 55m
2 stops
Air Canada Logo
9:45 am - 10:18 am
HKG
-
DCA
36h 33m
2 stops
$1,044Air Canada
Thu, Aug 27 - Thu, Sep 3
Air Canada Logo
4:20 pm - 5:15 am
DCA
-
HKG
24h 55m
2 stops
Air Canada Logo
9:45 am - 10:18 am
HKG
-
DCA
36h 33m
2 stops
$1,045Air Canada
Thu, Aug 27 - Thu, Sep 3

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Hong Kong flight tickets
Air Canada
Nov 9
DCA12:55 pmWashington, D.C. Reagan-National
27h 15m
2 stops
HKG5:10 amHong Kong Intl
Nov 23
HKG10:45 amHong Kong Intl
24h 14m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,000
Air Canada
Nov 10
DCA6:00 amWashington, D.C. Reagan-National
34h 10m
2 stops
HKG5:10 amHong Kong Intl
Nov 26
HKG10:45 amHong Kong Intl
36h 44m
2 stops
DCA10:29 amWashington, D.C. Reagan-National
$1,003
Air Canada
Sep 14
DCA11:00 amWashington, D.C. Reagan-National
30h 15m
2 stops
HKG5:15 amHong Kong Intl
Sep 28
HKG9:45 amHong Kong Intl
36h 35m
2 stops
DCA10:20 amWashington, D.C. Reagan-National
$1,008

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

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Hong Kong flight tickets
Cathay Pacific
Jul 14
DCA6:55 pmWashington, D.C. Reagan-National
21h 10m
1 stop
HKG4:05 amHong Kong Intl
Jul 22
HKG2:00 amHong Kong Intl
20h 59m
1 stop
DCA10:59 amWashington, D.C. Reagan-National
$1,593
Cathay Pacific
Jul 22
DCA6:21 amWashington, D.C. Reagan-National
24h 44m
1 stop
HKG7:05 pmHong Kong Intl
Aug 27
HKG4:05 pmHong Kong Intl
19h 53m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$1,611
Cathay Pacific
Jul 20
DCA6:20 amWashington, D.C. Reagan-National
19h 35m
1 stop
HKG1:55 pmHong Kong Intl
Aug 27
HKG4:05 pmHong Kong Intl
19h 53m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$1,618

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Hong Kong 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 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Mon 11/9

12:55 pm-5:10 am

2 stops27h 15m

Hong Kong Intl

Mon 11/23

10:45 am-9:59 pm

2 stops24h 14m

$1,000

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Wed 11/18

6:00 am-5:10 am

2 stops34h 10m

Hong Kong Intl

Mon 1/18

10:45 am-10:29 am

2 stops36h 44m

$1,003

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Mon 9/14

11:00 am-5:15 am

2 stops30h 15m

Hong Kong Intl

Mon 9/28

9:45 am-10:20 am

2 stops36h 35m

$1,008

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Wed 11/25

12:55 pm-5:10 am

2 stops27h 15m

Hong Kong Intl

Tue 1/26

10:45 am-9:59 pm

2 stops24h 14m

$1,010

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Thu 11/19

12:55 pm-5:10 am

2 stops27h 15m

Hong Kong Intl

Wed 1/20

10:45 am-10:38 pm

2 stops24h 53m

$1,015

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Tue 11/17

6:00 am-5:10 am

2 stops34h 10m

Hong Kong Intl

Tue 1/19

10:45 am-10:38 pm

2 stops24h 53m

$1,018

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Tue 11/17

12:55 pm-5:10 am

2 stops27h 15m

Hong Kong Intl

Fri 12/11

10:45 am-9:59 pm

2 stops24h 14m

$1,040

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Thu 9/24

4:20 pm-5:15 am

2 stops48h 55m

Hong Kong Intl

Wed 10/21

9:45 am-10:20 am

2 stops36h 35m

$1,043

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Thu 8/27

4:20 pm-5:15 am

2 stops24h 55m

Hong Kong Intl

Thu 9/3

9:45 am-10:18 am

2 stops36h 33m

$1,044

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Thu 8/27

4:20 pm-5:15 am

2 stops24h 55m

Hong Kong Intl

Thu 9/3

9:45 am-10:18 am

2 stops36h 33m

$1,045

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 Hong Kong from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Hong Kong

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 cheapest month to fly to Hong Kong?

The month of August is, on average, the cheapest month to fly to Hong Kong from Washington, D.C. Reagan-National Airport, with most prices found around $871. The month of October is another great option to travel to Hong Kong, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $1,119.

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

You could potentially save up to 20% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Hong Kong flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Hong Kong according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Hong Kong (DCA to HKG) flight deals and tips

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

Fastest flight time

20h 45m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Hong Kong takes 20h 45m
There are no direct flights from Washington, D.C. Reagan-National Airport to Hong Kong. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Hong Kong.
Search flight deals

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

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

    A flight from Washington, D.C. Reagan-National to Hong Kong Intl will travel around 8142.3 mi. A reasonable flight in good conditions will take 20h 45m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Hong Kong Intl Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Hong Kong Intl Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Hong Kong Intl Airport.

  • What documentation or ID do you need to fly to Hong Kong Intl Airport?

    The travel and health documents you'll need for your trip to Hong Kong Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hong Kong Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Washington, D.C. Reagan-National Airport to Hong Kong

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Hong Kong with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $722Free CancellationRating
7.1
11,336 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,069Free CancellationRating
7.4
9,988 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,171Free CancellationRating
7.6
1,410 reviews
Search Cathay Pacific flights

Why use momondo?

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

Finding the right flight to Hong Kong from Washington, D.C. 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 Hong Kong quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Hong Kong from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Hong Kong from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington, D.C. to Hong Kong 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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Cathay Pacific
Air Canada
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