HK$3,798+ Cheap flights to Dulles Intl

— IAD
1 Nov — 8 Nov1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Dulles Intl Airport

Thu 12-1110:35 -
1 stop23h 16m
Mon 16-1112:40 -
2 stops29h 20m
Deal found 29-9HK$5,406
Wed 28-1010:35 -
2 stops22h 37m
Wed 4-1114:38 -
2 stops27h 07m
Deal found 30-9HK$6,112
Fri 30-1022:30 -
1 stop19h 05m
Fri 6-1112:40 -
2 stops29h 20m
Deal found 1-10HK$6,214
Wed 23-1211:25 -
2 stops26h 34m
Wed 27-117:38 -
1 stop24h 07m
Deal found 2-10HK$6,489
Fri 30-1008:30 -
1 stop23h 00m
Fri 6-1122:00 -
1 stop29h 45m
Deal found 1-10HK$7,164
Thu 29-1010:35 -
2 stops30h 44m
Sun 29-1112:20 -
1 stop28h 25m
Deal found 28-9HK$7,344
Tue 13-1014:45 -
1 stop31h 20m
Mon 26-1008:37 -
2 stops26h 13m
Deal found 30-9HK$7,493
Fri 13-1108:30 -
1 stop23h 00m
Fri 20-1122:00 -
1 stop25h 00m
Deal found 29-9HK$7,713
Tue 27-1008:30 -
1 stop23h 00m
Tue 3-1122:00 -
1 stop34h 50m
Deal found 29-9HK$7,721
Tue 13-1019:40 -
1 stop32h 15m
Mon 26-1021:05 -
1 stop36h 35m
Deal found 1-10HK$7,956

Find flight deals to Dulles Intl Airport

Return from

HK$5,406

One-way from

HK$3,798

Popular in

July

Cheapest in

October

Average price

HK$7,721
United Airlines
  • United Airlines
  • 12-11-16-11
  • 3 total stops
  • 52h 36m total
  • Hong Kong to Washington, D.C.
Search Deals
AIR PREMIA
  • AIR PREMIA
  • 9-11-31-12
  • 1 total stop
  • 19h 55m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (HK$1,458 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$219 potential savings vs. average return price).
Search Deals
Average for return flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 15-2

10:00-16:26

2 stops43h 26m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,076

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 15-11

17:35-05:44

2 stops25h 09m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,139
Fastest return journey

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 16-2

20:05-05:31

2 stops22h 26m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,139

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 14-1

20:05-16:27

2 stops33h 22m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,139

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 25-1

20:05-16:27

2 stops33h 22m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,139

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 15-2

10:10-20:55

1 stop23h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,320

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 12-11

10:35-20:51

1 stop23h 16m

Washington, D.C. Dulles Intl

Mon 16-11

12:40-07:00

2 stops29h 20m

HK$5,406

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 13-10

19:40-15:55

1 stop32h 15m

Washington, D.C. Dulles Intl

Mon 26-10

21:05-21:40

1 stop36h 35m

HK$7,956

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 12-10

00:45-16:28

2 stops27h 43m

Washington, D.C. Dulles Intl

Mon 26-10

10:14-06:40

2 stops32h 26m

HK$8,309

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 3-11

12:35-23:35

2 stops24h 00m

Washington, D.C. Dulles Intl

Tue 16-3

16:00-06:25

2 stops26h 25m

HK$8,309

Flights are sorted by cheapest return flights first.

Deals found on 29-9

Showing 1-10 of 12 resultsSorted by cheapest first
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Best time to book a flight to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Dulles Intl ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Dulles Intl when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

How long is the flight to Dulles Intl?

On average, a flight from Hong Kong to Dulles Intl takes 23 hours 16 minutes. Flights to Dulles Intl from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flying to Dulles Intl

  • Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the cheapest airport to fly to in Dulles Intl?

    Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost HK$1,398, while return flights cost around HK$377.

  • Does Washington, D.C. Dulles Intl have rental cars?

    Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Dulles Intl?

    Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 km away from Washington, D.C. Dulles Intl).

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

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

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