Find flights
When to book
Airlines
FAQs

Cheap flights from Hong Kong to Washington, D.C. from HK$4,178

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8-11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — WAS
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Washington, D.C.
Explore the most affordable flight options available from Hong Kong to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Thu 3-912:40
HKG
-
IAD
2 stops28h 45m
United Airlines
Wed 16-908:00
IAD
-
HKG
1 stop22h 30m
United Airlines
Deal found 13-7HK$6,106
Tue 13-1012:40
HKG
-
IAD
2 stops22h 45m
United Airlines
Fri 16-1009:28
IAD
-
HKG
1 stop21h 02m
United Airlines
Deal found 14-7HK$6,114
Mon 14-911:45
HKG
-
DCA
1 stop22h 45m
United Airlines
Wed 16-916:20
DCA
-
HKG
2 stops38h 10m
United Airlines
Deal found 13-7HK$6,114
Sat 5-912:40
HKG
-
IAD
2 stops22h 39m
United Airlines
Sun 18-1008:25
IAD
-
HKG
1 stop22h 05m
United Airlines
Deal found 14-7HK$6,216
Wed 30-911:45
HKG
-
IAD
2 stops24h 56m
United Airlines
Tue 6-1015:02
IAD
-
HKG
2 stops25h 58m
United Airlines
Deal found 13-7HK$7,023
Mon 14-920:15
HKG
-
IAD
1 stop35h 15m
Air China
Fri 18-923:00
IAD
-
HKG
1 stop29h 20m
Air China
Deal found 10-7HK$7,478
Thu 12-1118:05
HKG
-
IAD
1 stop34h 50m
Multiple Airlines
Thu 6-521:00
IAD
-
HKG
1 stop30h 10m
Multiple Airlines
Deal found 10-7HK$7,642
Wed 14-1019:40
HKG
-
IAD
1 stop25h 05m
Qatar Airways
Wed 28-1021:05
IAD
-
HKG
1 stop29h 45m
Qatar Airways
Deal found 10-7HK$7,658
Thu 3-918:30
HKG
-
IAD
1 stop37h 00m
Air China
Tue 6-1023:00
IAD
-
HKG
1 stop30h 10m
Air China
Deal found 9-7HK$7,697
Sat 5-901:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Wed 30-921:00
IAD
-
HKG
1 stop36h 55m
Qatar Airways
Deal found 12-7HK$7,736
Wed 9-901:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Mon 28-921:00
IAD
-
HKG
1 stop36h 55m
Qatar Airways
Deal found 12-7HK$7,799
Fri 16-1022:30
HKG
-
DCA
2 stops24h 14m
United Airlines
Sat 17-1012:57
DCA
-
HKG
2 stops28h 03m
United Airlines
Deal found 10-7HK$7,823

Find flight deals from Hong Kong to Washington, D.C.

Keep the following information in mind while searching for Hong Kong to Washington, D.C. flight deals. Data was last updated 14 July 2026.

Round-trip from

HK$6,106

One-way from

HK$4,178

Popular in

November

Cheapest in

September

Average price

HK$11,436
United Airlines
  • United Airlines
  • 3-9-16-9
  • 3 total stops
  • 51h 15m total
  • Hong Kong to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 10-10
  • 1 total stop
  • 29h 49m total
  • Hong Kong to Washington, D.C.
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,800 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 70,647 searches. Data last updated 14 July 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

Departure

Return

Price

Cheapest return flight

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 12-10

22:30-07:31

1 stop21h 01m

Washington, D.C. Dulles Intl

Fri 16-10

14:43-05:00

2 stops26h 17m

HK$6,114

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Tue 13-10

22:30-15:10

2 stops28h 40m

Washington, D.C. Reagan-National

Fri 16-10

12:57-05:00

2 stops28h 03m

HK$6,114

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Mon 12-10

11:45-22:30

1 stop22h 45m

Washington, D.C. Reagan-National

Fri 16-10

16:24-05:00

2 stops24h 36m

HK$6,114

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 10-9

11:45-22:59

2 stops23h 14m

Washington, D.C. Dulles Intl

Mon 28-9

16:15-05:00

1 stop24h 45m

HK$7,862

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 6-9

11:45-22:59

2 stops23h 14m

Washington, D.C. Dulles Intl

Wed 30-9

08:30-18:55

1 stop22h 25m

HK$7,862

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 11-9

21:45-11:26

2 stops25h 41m

Washington, D.C. Dulles Intl

Sun 27-9

18:37-05:00

1 stop22h 23m

HK$7,862

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 12-9

11:45-22:59

2 stops23h 14m

Washington, D.C. Dulles Intl

Mon 28-9

08:25-18:30

1 stop22h 05m

HK$7,862

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 14-9

11:45-22:59

2 stops23h 14m

Washington, D.C. Dulles Intl

Fri 18-9

20:20-05:40

1 stop21h 20m

HK$7,862

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Fri 11-9

22:30-09:44

2 stops23h 14m

Washington, D.C. Reagan-National

Mon 28-9

07:45-18:55

1 stop23h 10m

HK$7,862

Hong KongWashington, D.C.

HKG - DCA

HKGDCA

Hong Kong Intl

Sun 6-9

21:45-09:46

2 stops24h 01m

Washington, D.C. Reagan-National

Wed 30-9

07:20-18:55

1 stop23h 35m

HK$7,862

Flights are sorted by cheapest return flights first.

Deals found on 14-7

Showing 1-10 of 56 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Hong Kong to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Hong Kong with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Washington, D.C.

What is the cheapest month to book a flight from Hong Kong to Washington, D.C.?

Currently, April is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. (average of HK$6,686). Flying from Hong Kong to Washington, D.C. in July is currently the most expensive (average of HK$9,163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 14 July 2026.
Read reviews from past customers who have flown with United Airlines from Hong Kong to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,988 reviews
Check prices

Food

6.7

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,988 reviews
United Airlines
7.4
Good
9,988 reviews
Check prices

Food

6.7

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Hong Kong to Washington, D.C.?

    There are many flights that can get you from Hong Kong to Washington, D.C. in 21h 01m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 13092 km.

  • What are the most popular routes from Hong Kong to Washington, D.C.?

    The most popular flight routes from Hong Kong to Washington, D.C. are Hong Kong Intl - Baltimore/Washington, Hong Kong Intl - Washington, D.C. Dulles Intl and Hong Kong Intl - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Hong Kong to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Washington, D.C..

  • Can I find deals for business class flights from Hong Kong to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Hong Kong to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to Washington, D.C.?

    Currently, April is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. (average of HK$6,686). Flying from Hong Kong to Washington, D.C. in July is currently the most expensive (average of HK$9,163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Fairfax
Arlington

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Reagan-National flights
Hong Kong to Dulles Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Hong Kong.

Can Cheapflights find flights from Hong Kong to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Hong Kong to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Hong Kong to Washington, D.C. become cheaper?

Yes! Start tracking prices for Hong Kong to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.