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HK$3,557+ Cheap flights to Dulles Intl

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 5-2. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2025

Enter your travel dates to find the best prices.

Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 5 December 2025.

Thu 18-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
Tue 13-113:30IAD - HKG
1 stop29h 50mTurkish Airlines
Deal found 3-12HK$7,300
Tue 16-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
Tue 13-121:15IAD - HKG
1 stop30h 50mTurkish Airlines
Deal found 3-12HK$7,386
Thu 18-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
Thu 15-121:15IAD - HKG
1 stop30h 50mTurkish Airlines
Deal found 3-12HK$7,471
Tue 16-1210:00HKG - IAD
1 stop46h 20mTurkish Airlines
Sun 11-121:15IAD - HKG
1 stop22h 05mTurkish Airlines
Deal found 3-12HK$7,573
Wed 17-1218:05HKG - IAD
1 stop34h 50mQatar Airways
Wed 14-110:40IAD - HKG
1 stop22h 00mQatar Airways
Deal found 3-12HK$7,580
Wed 17-1218:05HKG - IAD
1 stop34h 50mQatar Airways
Mon 12-120:05IAD - HKG
1 stop36h 35mQatar Airways
Deal found 3-12HK$7,604
Thu 18-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
Wed 14-121:15IAD - HKG
1 stop30h 50mTurkish Airlines
Deal found 3-12HK$7,744
Tue 16-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
Sat 10-121:15IAD - HKG
1 stop30h 50mTurkish Airlines
Deal found 3-12HK$7,790
Wed 17-1223:20HKG - IAD
1 stop33h 00mTurkish Airlines
Mon 22-1213:30IAD - HKG
1 stop38h 35mTurkish Airlines
Deal found 2-12HK$7,798
Sun 14-1200:25HKG - IAD
1 stop28h 30mQatar Airways
Fri 16-110:40IAD - HKG
1 stop22h 00mQatar Airways
Deal found 3-12HK$7,845
Sun 14-1200:25HKG - IAD
1 stop28h 30mQatar Airways
Mon 12-120:05IAD - HKG
1 stop36h 35mQatar Airways
Deal found 3-12HK$7,868

Find flight deals to Dulles Intl Airport

Find the latest flights to Dulles Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 5 December 2025.

Return from

HK$6,880

One-way from

HK$3,557

Popular in

November

Cheapest in

December

Average price

HK$7,394
United Airlines
  • United Airlines
  • 4-3-11-3
  • 3 total stops
  • 55h 48m total
  • Hong Kong to Washington, D.C.
Search Deals
5-2
  • 5-2
  • 3 total stops
  • 51h 49m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$182 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$178 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 5 December 2025.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 6-3

11:25-21:05

2 stops22h 40m

Washington, D.C. Dulles Intl

Mon 9-3

06:15-19:20

1 stop25h 05m

HK$7,176

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 18-12

10:00-11:45

1 stop38h 45m

Washington, D.C. Dulles Intl

Tue 13-1

13:30-08:20

1 stop29h 50m

HK$7,308

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 6-3

12:35-09:50

1 stop34h 15m

Washington, D.C. Dulles Intl

Mon 9-3

12:50-11:20

1 stop34h 30m

HK$7,316

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 16-12

10:00-19:20

1 stop46h 20m

Washington, D.C. Dulles Intl

Sun 18-1

13:30-17:05

1 stop38h 35m

HK$7,790

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 18-12

10:00-11:45

1 stop38h 45m

Washington, D.C. Dulles Intl

Sun 18-1

21:15-08:20

1 stop22h 05m

HK$7,790

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-12

23:20-19:20

1 stop33h 00m

Washington, D.C. Dulles Intl

Mon 22-12

13:30-17:05

1 stop38h 35m

HK$7,798

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-12

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Thu 15-1

20:05-21:40

1 stop36h 35m

HK$7,868

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 15-12

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Sat 17-1

20:05-21:40

1 stop36h 35m

HK$8,102

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-12

00:55-23:27

2 stops35h 32m

Washington, D.C. Dulles Intl

Thu 15-1

17:26-23:10

2 stops40h 44m

HK$8,195

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 3-3

08:30-18:30

1 stop23h 00m

HK$3,915

Flights are sorted by cheapest return flights first.

Deals found on 4-12

Showing 1-10 of 21 results
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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
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 to Washington, D.C. Dulles Intl Airport

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airline flying from Hong Kong to Dulles Intl is United Airlines.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 5 December 2025.
Check out reviews from past customers who have flown United Airlines to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,064 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,064 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 best airline to fly to Dulles Intl?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Dulles Intl.

  • 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$3,417, while return flights cost around HK$2,311.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$2,424, however they can be found for as little as HK$2,311.

  • 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
Herndon
Silver Spring

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