Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Hong Kong to Washington, D.C. from $480

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 9/15. 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
10:35 am - 7:34 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
33h 59m2 stops San Francisco Boston Logan Intl
United Airlines Logo
10:13 pm - 6:45 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
43h 32m1 stop San Francisco
$842United Airlines
Mon, Dec 14 - Tue, Dec 29
United Airlines Logo
10:30 pm - 2:23 pmHKG  Hong Kong Intl-DCA Washington, D.C. Reagan-National
27h 53m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
5:45 pm - 5:00 amDCA  Washington, D.C. Reagan-National-HKG Hong Kong Intl
23h 15m1 stop San Francisco
$881United Airlines
Thu, Sep 17 - Mon, Sep 21
United Airlines Logo
10:45 pm - 8:49 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
23h 04m2 stops Los Angeles Los Angeles Chicago O'Hare Intl
United Airlines Logo
10:10 pm - 7:15 pmIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
32h 05m1 stop Los Angeles Los Angeles
$881United Airlines
Thu, Nov 12 - Sun, Nov 15
United Airlines Logo
10:35 am - 9:19 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
23h 44m2 stops San Francisco Detroit Metropolitan Wayne County
United Airlines Logo
9:25 am - 6:45 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
32h 20m1 stop San Francisco
$907United Airlines
Sun, Nov 8 - Sun, Nov 15
United Airlines Logo
10:35 am - 8:35 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
23h 00m2 stops San Francisco Los Angeles Los Angeles
United Airlines Logo
10:54 pm - 7:20 pmIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
31h 26m2 stops Houston George Bush Intcntl San Francisco
$919United Airlines
Mon, Dec 14 - Tue, Dec 29
AIR PREMIA Logo
1:35 pm - 10:50 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
33h 15m1 stop Incheon Intl
AIR PREMIA Logo
1:20 pm - 12:00 pmIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
34h 40m1 stop Incheon Intl
$927AIR PREMIA
Tue, Sep 15 - Mon, Sep 21
AIR PREMIA Logo
1:40 pm - 8:35 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
19h 55m1 stop Incheon Intl
AIR PREMIA Logo
11:35 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
23h 20m1 stop Incheon Intl
$978AIR PREMIA
Sun, Nov 8 - Sun, Nov 15
AIR PREMIA Logo
1:40 pm - 8:35 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
19h 55m1 stop Incheon Intl
AIR PREMIA Logo
11:35 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
23h 20m1 stop Incheon Intl
$987AIR PREMIA
Sun, Nov 8 - Mon, Nov 9
ANA Logo
11:55 pm - 10:05 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
22h 10m1 stop Tokyo Haneda
ANA Logo
3:15 pm - 5:15 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,010ANA
Mon, Sep 7 - Mon, Sep 21
United Airlines Logo
11:45 am - 7:20 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
31h 35m2 stops San Francisco Boston Logan Intl
United Airlines Logo
6:37 pm - 5:00 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
22h 23m1 stop San Francisco
$1,019United Airlines
Thu, Sep 3 - Sat, Sep 26

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

United Airlines flights from Hong Kong to Washington, D.C.

Our best United Airlines deals on Hong Kong to Washington, D.C. flight tickets
United Airlines
Dec 14
HKG10:35 amHong Kong Intl
33h 59m
2 stops
IAD7:34 amWashington, D.C. Dulles Intl
Dec 29
IAD10:13 pmWashington, D.C. Dulles Intl
43h 32m
1 stop
HKG6:45 amHong Kong Intl
$842
United Airlines
Nov 12
HKG10:45 pmHong Kong Intl
23h 04m
2 stops
IAD8:49 amWashington, D.C. Dulles Intl
Nov 15
IAD10:10 pmWashington, D.C. Dulles Intl
32h 05m
1 stop
HKG7:15 pmHong Kong Intl
$881
United Airlines
Nov 8
HKG10:35 amHong Kong Intl
23h 44m
2 stops
IAD9:19 pmWashington, D.C. Dulles Intl
Nov 15
IAD9:25 amWashington, D.C. Dulles Intl
32h 20m
1 stop
HKG6:45 amHong Kong Intl
$907

Air Canada flights from Hong Kong to Washington, D.C.

Our best Air Canada deals on Hong Kong to Washington, D.C. flight tickets
Air Canada
Nov 12
HKG10:45 amHong Kong Intl
38h 03m
2 stops
IAD11:48 amWashington, D.C. Dulles Intl
Nov 15
IAD9:55 amWashington, D.C. Dulles Intl
30h 15m
2 stops
HKG5:10 amHong Kong Intl
$1,246
Air Canada
Nov 12
HKG10:45 amHong Kong Intl
38h 03m
2 stops
IAD11:48 amWashington, D.C. Dulles Intl
Nov 15
IAD9:55 amWashington, D.C. Dulles Intl
30h 15m
2 stops
HKG5:10 amHong Kong Intl
$1,504
Air Canada
Aug 23
HKG9:45 amHong Kong Intl
38h 15m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
Dec 9
DCA12:55 pmWashington, D.C. Reagan-National
27h 15m
2 stops
HKG5:10 amHong Kong Intl
$2,009

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to Washington, D.C. 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 18, 2026.
Use the filters below to find and compare flights from Hong Kong to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 12/14

10:35 am-7:34 am

2 stops33h 59m

Washington, D.C. Dulles Intl

Tue 12/29

10:13 pm-6:45 am

1 stop43h 32m

$842

Hong KongWashington, D.C.

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

HKGDCA

Hong Kong Intl

Thu 9/17

10:30 pm-2:23 pm

2 stops27h 53m

Washington, D.C. Reagan-National

Mon 9/21

5:45 pm-5:00 am

1 stop23h 15m

$881

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Thu 11/12

10:45 pm-8:49 am

2 stops23h 04m

Washington, D.C. Dulles Intl

Sun 11/15

10:10 pm-7:15 pm

1 stop32h 05m

$881

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sun 11/8

10:35 am-9:19 pm

2 stops23h 44m

Washington, D.C. Dulles Intl

Sun 11/15

9:25 am-6:45 am

1 stop32h 20m

$907

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 12/14

10:35 am-8:35 pm

2 stops23h 00m

Washington, D.C. Dulles Intl

Tue 12/29

10:54 pm-7:20 pm

2 stops31h 26m

$919

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Tue 9/15

1:35 pm-10:50 am

1 stop33h 15m

Washington, D.C. Dulles Intl

Mon 9/21

1:20 pm-12:00 pm

1 stop34h 40m

$927
Quickest round-trip

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sun 11/8

1:40 pm-8:35 pm

1 stop19h 55m

Washington, D.C. Dulles Intl

Sun 11/15

11:35 pm-11:55 am

1 stop23h 20m

$978

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sun 11/8

1:40 pm-8:35 pm

1 stop19h 55m

Washington, D.C. Dulles Intl

Mon 11/9

11:35 pm-11:55 am

1 stop23h 20m

$987

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 9/7

11:55 pm-10:05 am

1 stop22h 10m

Washington, D.C. Dulles Intl

Mon 9/21

3:15 pm-5:15 am

2 stops26h 00m

$1,010

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Thu 9/3

11:45 am-7:20 am

2 stops31h 35m

Washington, D.C. Dulles Intl

Sat 9/26

6:37 pm-5:00 am

1 stop22h 23m

$1,019

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Hong Kong to Washington, D.C.

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 Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Hong Kong, with most prices found around $719. If you’re not able to fly to Washington, D.C. in August, then February is your next best option. Flight prices from Hong Kong to Washington, D.C. during February average around $982.

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

You could potentially save up to 7% on your flight if you consider stops on a Hong Kong to Washington, D.C. flight.

How have Hong Kong to Washington, D.C. flight prices changed over time?

As of August 2026, prices for Hong Kong to Washington, D.C. flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Washington, D.C. 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. (HKG to WAS) flight deals and tips

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

Best Price Found

$480

Fastest flight time

19h 23m

Direct flights

None
The best one-way flight to Washington, D.C. from Hong Kong in the past 72 hours is $480. The best round-trip flight deal from Hong Kong to Washington, D.C. found on momondo in the last 72 hours is $842.
The fastest flight from Hong Kong to Washington, D.C. takes 19h 23m
There are no direct flights from Hong Kong to Washington, D.C.. There are no popular flight routes from Hong Kong to Washington, D.C..
Search flight deals

Frequently asked questions about flying from Hong Kong to Washington, D.C.

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

    Washington, D.C. is 8138.7 mi away from Hong Kong Intl. In terms of flight time, this usually takes a little over 19h 23m.

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

    Prices for flights from Hong Kong Intl Airport to Washington, D.C. were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hong Kong Intl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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
Silver Spring
Towson
Springfield
Colonial Beach
Fairfax
Edgewood
Tysons
College Park
Glen Burnie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to Washington, D.C. for you.

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

All flight searches from Hong Kong to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Hong Kong and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Hong Kong. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. 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
Thu 9/17
Thu 9/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport