HK$4,805+ Cheap flights to Dulles Intl

— IAD
1 Oct — 8 Oct1
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

Tue 13-1013:35 -
1 stop33h 15m
Sun 25-1000:35 -
1 stop23h 20m
Deal found 29-8HK$6,592
Tue 1-912:40 -
2 stops34h 31m
Mon 7-908:20 -
1 stop22h 10m
Deal found 28-8HK$6,608
Mon 7-922:30 -
2 stops22h 58m
Mon 21-909:45 -
1 stop21h 10m
Deal found 29-8HK$6,812
Thu 10-922:30 -
2 stops25h 18m
Mon 14-920:33 -
1 stop21h 07m
Deal found 27-8HK$6,906
Sun 13-922:30 -
2 stops24h 41m
Mon 28-908:30 -
1 stop32h 30m
Deal found 29-8HK$6,984
Fri 11-921:45 -
2 stops25h 26m
Tue 15-914:47 -
1 stop26h 13m
Deal found 31-8HK$7,008
Mon 23-1122:30 -
2 stops25h 45m
Mon 30-1122:20 -
1 stop32h 00m
Deal found 28-8HK$7,102
Sun 6-913:30 -
1 stop33h 20m
Wed 30-913:20 -
1 stop36h 25m
Deal found 28-8HK$7,110
Fri 4-921:45 -
2 stops26h 07m
Thu 5-1118:20 -
1 stop23h 25m
Deal found 30-8HK$7,305

Find flight deals to Dulles Intl Airport

Return from

HK$6,592

One-way from

HK$4,805

Popular in

July

Cheapest in

February

Average price

HK$9,492
AIR PREMIA
  • AIR PREMIA
  • 13-10-25-10
  • 2 total stops
  • 56h 35m total
  • Hong Kong to Washington, D.C.
Search Deals
19-10
  • 19-10
  • 2 total stops
  • 28h 05m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (HK$1,455 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 September 2026
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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

Tue 13-10

13:35-10:50

1 stop33h 15m

Washington, D.C. Dulles Intl

Sun 25-10

00:35-11:55

1 stop23h 20m

HK$6,600

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Fri 11-9

21:45-11:11

2 stops25h 26m

Washington, D.C. Dulles Intl

Tue 15-9

14:47-05:00

1 stop26h 13m

HK$7,008

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Fri 11-9

10:30-19:30

1 stop21h 00m

Washington, D.C. Dulles Intl

Tue 15-9

23:00-16:20

1 stop29h 20m

HK$7,486

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Wed 14-10

11:45-00:41

2 stops24h 56m

Washington, D.C. Dulles Intl

Wed 21-10

06:15-18:30

2 stops24h 15m

HK$7,486
Fastest return journey

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 27-9

11:45-22:52

2 stops23h 07m

Washington, D.C. Dulles Intl

Sun 4-10

07:00-18:30

1 stop23h 30m

HK$7,705

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 13-10

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Tue 20-10

11:05-21:55

1 stop22h 50m

HK$7,752

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 12-10

19:40-08:45

1 stop25h 05m

Washington, D.C. Dulles Intl

Mon 19-10

21:00-21:55

1 stop36h 55m

HK$7,784

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 12-10

00:45-23:26

2 stops34h 41m

Washington, D.C. Dulles Intl

Mon 26-10

08:13-06:40

2 stops34h 27m

HK$8,309
Cheapest one-way

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 1-10

20:10-05:40

2 stops21h 30m

HK$5,072

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 29-9

11:20-05:40

2 stops30h 20m

HK$5,150

Flights are sorted by cheapest return flights first.

Deals found on 31-8

Showing 1-10 of 17 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 7 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$1,397, while return flights cost around HK$377.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$2,954, however they can be found for as little as 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
Fairfax
Arlington

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