Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Hong Kong from $487

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 9/2. 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.
Multiple Airlines Logo
10:15 am - 10:45 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
24h 30m2 stops Toronto Pearson Intl Incheon Intl
Multiple Airlines Logo
12:20 pm - 12:44 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
36h 24m2 stops Incheon Intl Toronto Pearson Intl
$912Multiple Airlines
Mon, Sep 7 - Tue, Sep 15
Air Canada Logo
6:00 am - 10:45 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
28h 45m2 stops Montreal Pierre Elliott Trudeau Intl Incheon Intl
Air Canada Logo
12:45 am - 10:34 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
33h 49m2 stops Incheon Intl Toronto Pearson Intl
$915Air Canada
Thu, Sep 24 - Tue, Oct 20
Multiple Airlines Logo
6:00 am - 4:45 amDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
34h 45m2 stops Montreal Pierre Elliott Trudeau Intl Incheon Intl
Multiple Airlines Logo
12:20 pm - 10:34 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
22h 14m2 stops Incheon Intl Toronto Pearson Intl
$915Multiple Airlines
Thu, Sep 24 - Wed, Oct 21
Air Canada Logo
4:20 pm - 10:45 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
42h 25m2 stops Montreal Pierre Elliott Trudeau Intl Incheon Intl
Air Canada Logo
12:20 pm - 8:55 amHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
32h 35m2 stops Incheon Intl Toronto Pearson Intl
$915Air Canada
Wed, Sep 23 - Wed, Oct 21
Multiple Airlines Logo
6:00 am - 11:00 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
29h 00m2 stops Montreal Pierre Elliott Trudeau Intl Incheon Intl
Multiple Airlines Logo
9:30 am - 9:50 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
24h 20m2 stops Tokyo Narita Montreal Pierre Elliott Trudeau Intl
$915Multiple Airlines
Thu, Sep 24 - Wed, Oct 21
Air Canada Logo
4:20 pm - 10:45 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
42h 25m2 stops Montreal Pierre Elliott Trudeau Intl Incheon Intl
Air Canada Logo
9:30 am - 3:40 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
42h 10m2 stops Tokyo Narita Montreal Pierre Elliott Trudeau Intl
$915Air Canada
Wed, Aug 26 - Wed, Sep 9
Cathay Pacific Logo
11:40 am - 8:30 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
19h 50m1 stop Chicago O'Hare Intl
Cathay Pacific Logo
4:30 pm - 10:46 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
19h 16m1 stop Dallas/Fort Worth
$1,188Cathay Pacific
Thu, Nov 5 - Wed, Dec 9
Cathay Pacific Logo
11:40 am - 8:30 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
19h 50m1 stop Chicago O'Hare Intl
Cathay Pacific Logo
4:30 pm - 10:46 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
19h 16m1 stop Dallas/Fort Worth
$1,189Cathay Pacific
Thu, Nov 5 - Wed, Dec 9
United Airlines Logo
5:45 pm - 6:55 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
37h 10m1 stop San Francisco
United Airlines Logo
9:45 pm - 4:04 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
30h 19m2 stops Los Angeles Houston George Bush Intcntl
$1,727United Airlines
Sun, Sep 13 - Wed, Sep 16
United Airlines Logo
5:45 pm - 6:55 pmDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
37h 10m1 stop San Francisco
United Airlines Logo
11:45 am - 10:30 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
22h 45m1 stop San Francisco
$1,727United Airlines
Sun, Sep 13 - Wed, Sep 16

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

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
Aug 26
DCA4:20 pmWashington, D.C. Reagan-National
42h 25m
2 stops
HKG10:45 pmHong Kong Intl
Sep 9
HKG9:30 amHong Kong Intl
42h 10m
2 stops
DCA3:40 pmWashington, D.C. Reagan-National
$915
Air Canada
Aug 25
DCA9:40 amWashington, D.C. Reagan-National
24h 55m
2 stops
HKG10:35 pmHong Kong Intl
Sep 9
HKG9:30 amHong Kong Intl
24h 20m
2 stops
DCA9:50 pmWashington, D.C. Reagan-National
$920
Air Canada
Oct 27
DCA6:59 amWashington, D.C. Reagan-National
28h 11m
2 stops
HKG11:10 pmHong Kong Intl
Nov 23
HKG12:55 amHong Kong Intl
56h 03m
2 stops
DCA7:58 pmWashington, D.C. Reagan-National
$940

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
Aug 28
DCA6:58 pmWashington, D.C. Reagan-National
21h 07m
1 stop
HKG4:05 amHong Kong Intl
Sep 4
HKG12:05 amHong Kong Intl
28h 24m
1 stop
DCA4:29 pmWashington, D.C. Reagan-National
$1,316
Cathay Pacific
Aug 28
DCA6:58 pmWashington, D.C. Reagan-National
21h 07m
1 stop
HKG4:05 amHong Kong Intl
Sep 4
HKG1:10 amHong Kong Intl
28h 49m
1 stop
DCA5:59 pmWashington, D.C. Reagan-National
$1,333
Cathay Pacific
Aug 16
DCA11:35 amWashington, D.C. Reagan-National
21h 25m
1 stop
HKG9:00 pmHong Kong Intl
Aug 25
HKG4:05 pmHong Kong Intl
19h 53m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$1,582

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 August 15, 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

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Mon 9/7

10:15 am-10:45 pm

2 stops24h 30m

Hong Kong Intl

Tue 9/15

12:20 pm-12:44 pm

2 stops36h 24m

$912

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Thu 9/24

6:00 am-10:45 pm

2 stops28h 45m

Hong Kong Intl

Tue 10/20

12:45 am-10:34 pm

2 stops33h 49m

$915

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Thu 9/24

6:00 am-4:45 am

2 stops34h 45m

Hong Kong Intl

Wed 10/21

12:20 pm-10:34 pm

2 stops22h 14m

$915

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Wed 9/23

4:20 pm-10:45 pm

2 stops42h 25m

Hong Kong Intl

Wed 10/21

12:20 pm-8:55 am

2 stops32h 35m

$915

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Thu 9/24

6:00 am-11:00 pm

2 stops29h 00m

Hong Kong Intl

Wed 10/21

9:30 am-9:50 pm

2 stops24h 20m

$915

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Wed 8/26

4:20 pm-10:45 pm

2 stops42h 25m

Hong Kong Intl

Wed 9/9

9:30 am-3:40 pm

2 stops42h 10m

$915
Quickest round-trip

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Thu 11/5

11:40 am-8:30 pm

1 stop19h 50m

Hong Kong Intl

Wed 12/9

4:30 pm-10:46 pm

1 stop19h 16m

$1,188

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Thu 11/5

11:40 am-8:30 pm

1 stop19h 50m

Hong Kong Intl

Wed 12/9

4:30 pm-10:46 pm

1 stop19h 16m

$1,189

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Sun 9/13

5:45 pm-6:55 pm

1 stop37h 10m

Hong Kong Intl

Wed 9/16

9:45 pm-4:04 pm

2 stops30h 19m

$1,727

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Sun 9/13

5:45 pm-6:55 pm

1 stop37h 10m

Hong Kong Intl

Wed 9/16

11:45 am-10:30 pm

1 stop22h 45m

$1,727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $774. 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 44% 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

19h 50m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Hong Kong takes 19h 50m
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 19h 50m.

  • 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 $774Free CancellationRating
7.1
11,477 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,069Free CancellationRating
7.4
10,110 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,171Free CancellationRating
7.6
1,453 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.

An easier way to manage your Hong Kong 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
Mon 9/14
Mon 9/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Cathay Pacific
Air Canada
United Airlines