HK$3,899+ Cheap flights to Dulles Intl

— IAD
29 Nov — 6 Dec1
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 12-1122:45 -
2 stops21h 35m
Mon 16-1108:15 -
1 stop33h 30m
Deal found 29-10HK$6,535
Mon 14-1214:35 -
1 stop40h 55m
Fri 8-122:00 -
1 stop26h 05m
Deal found 28-10HK$7,493
Mon 14-1213:40 -
1 stop41h 50m
Tue 5-122:00 -
1 stop33h 00m
Deal found 26-10HK$8,097
Mon 9-1117:50 -
1 stop37h 40m
Mon 23-1123:35 -
1 stop23h 30m
Deal found 27-10HK$8,152
Mon 14-1200:25 -
1 stop28h 30m
Wed 6-120:05 -
1 stop29h 45m
Deal found 28-10HK$8,262
Sun 13-1200:25 -
1 stop28h 30m
Wed 6-120:05 -
1 stop29h 45m
Deal found 28-10HK$8,285
Mon 14-1218:05 -
1 stop34h 50m
Mon 4-120:05 -
1 stop29h 45m
Deal found 26-10HK$8,293
Wed 11-1100:25 -
1 stop28h 30m
Mon 16-1120:05 -
1 stop36h 35m
Deal found 29-10HK$8,301
Wed 28-1000:25 -
1 stop28h 30m
Wed 11-1120:05 -
1 stop36h 35m
Deal found 27-10HK$8,411

Find flight deals to Dulles Intl Airport

Return from

HK$6,535

One-way from

HK$3,899

Popular in

July

Cheapest in

February
United Airlines
  • United Airlines
  • 12-11-16-11
  • 3 total stops
  • 55h 05m total
  • Hong Kong to Washington, D.C.
Search Deals
8-11-31-12
  • 8-11-31-12
  • 2 total stops
  • 42h 29m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (HK$1,241 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

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

Wed 10-3

10:00-05:31

2 stops32h 31m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,315
Fastest return journey

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Wed 9-12

13:40-20:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,511

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Fri 11-12

13:40-20:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,511

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Wed 21-4

13:30-21:35

1 stop20h 05m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,637

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

Mon 15-2

14:05-05:31

2 stops28h 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 22-4

19:40-08:45

1 stop25h 05m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,170

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 22-4

11:20-05:31

2 stops30h 11m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,217

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 15-11

21:10-20:55

1 stop36h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,312

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 12-11

22:45-07:20

2 stops21h 35m

Washington, D.C. Dulles Intl

Mon 16-11

08:15-06:45

1 stop33h 30m

HK$6,535

Flights are sorted by cheapest return flights first.

Deals found on 30-10

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 21 hours 35 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

Browse thousands of different options on Cheapflights for your next trip

Search flights to Dulles Intl by cabin class

First Class flights to Washington, D.C. Dulles Intl Airport
Business Class flights to Washington, D.C. Dulles Intl Airport
Prem Economy Class flights to Washington, D.C. Dulles Intl Airport
Economy Class flights to Washington, D.C. Dulles Intl Airport

Fly with Cheapflights

How does Cheapflights help users find flights to Dulles Intl?

Cheapflights helps you search for flights to Dulles Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Dulles Intl with no change fees?

Yes, we can. To see specific flights to Dulles Intl 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 to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights to Dulles Intl on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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.