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HK$3,925+ 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 3-2. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2026

Find the latest flights to Dulles Intl in 2026, 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 8 January 2026.

Return from

HK$7,063

One-way from

HK$3,925

Popular in

November

Cheapest in

December

Average price

HK$8,083
United Airlines
  • United Airlines
  • 6-2-8-2
  • 3 total stops
  • 51h 18m total
  • Hong Kong to Washington, D.C.
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Air China
  • Air China
  • 30-1
  • 1 total stop
  • 21h 00m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (HK$142 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (HK$177 potential savings vs. average return price).
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Average for return flights in January 2026
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Find flight deals to Dulles Intl Airport

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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 8 January 2026.

Fri 6-210:35HKG - IAD
2 stops23h 38mUnited Airlines
Tue 10-218:00IAD - HKG
1 stop24h 00mUnited Airlines
Deal found 7-1HK$7,063
Tue 10-318:05HKG - IAD
1 stop27h 15mQatar Airways
Tue 24-321:05IAD - HKG
1 stop36h 35mQatar Airways
Deal found 6-1HK$7,071
Sat 31-111:25HKG - IAD
2 stops24h 48mUnited Airlines
Sat 7-212:35IAD - HKG
1 stop29h 25mUnited Airlines
Deal found 7-1HK$7,164
Wed 1-421:45HKG - IAD
2 stops30h 18mUnited Airlines
Sun 5-414:36IAD - HKG
1 stop26h 24mUnited Airlines
Deal found 6-1HK$7,172
Sun 1-310:00HKG - IAD
1 stop46h 20mTurkish Airlines
Sun 15-314:30IAD - HKG
1 stop29h 50mTurkish Airlines
Deal found 8-1HK$7,343
Mon 2-323:20HKG - IAD
1 stop25h 25mTurkish Airlines
Sun 15-322:15IAD - HKG
1 stop22h 05mTurkish Airlines
Deal found 8-1HK$7,406
Mon 2-317:50HKG - IAD
1 stop37h 40mAir China
Fri 13-323:00IAD - HKG
1 stop24h 40mAir China
Deal found 8-1HK$7,468
Sun 1-310:00HKG - IAD
1 stop46h 20mTurkish Airlines
Fri 13-314:30IAD - HKG
1 stop29h 50mTurkish Airlines
Deal found 8-1HK$7,569
Sun 1-300:25HKG - IAD
1 stop28h 30mQatar Airways
Mon 16-321:05IAD - HKG
1 stop36h 35mQatar Airways
Deal found 8-1HK$7,631
Fri 20-218:05HKG - IAD
1 stop34h 50mJetBlue
Fri 27-220:05IAD - HKG
1 stop29h 45mJetBlue
Deal found 6-1HK$7,663
Sat 31-118:05HKG - IAD
1 stop27h 15mJetBlue
Sat 14-220:05IAD - HKG
1 stop29h 45mJetBlue
Deal found 6-1HK$7,717
Tue 10-210:00HKG - IAD
1 stop46h 20mTurkish Airlines
Tue 24-213:30IAD - HKG
1 stop38h 35mTurkish Airlines
Deal found 6-1HK$7,803

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 8 January 2026.
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 20-2

10:35-21:03

2 stops23h 28m

Washington, D.C. Dulles Intl

Fri 27-2

06:20-19:20

1 stop24h 00m

HK$7,063

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 31-1

11:25-21:22

2 stops22h 57m

Washington, D.C. Dulles Intl

Sat 14-2

14:36-06:45

1 stop27h 09m

HK$7,063

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10-3

18:05-09:20

1 stop27h 15m

Washington, D.C. Dulles Intl

Tue 24-3

21:05-21:40

1 stop36h 35m

HK$7,071

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10-3

11:25-23:19

2 stops23h 54m

Washington, D.C. Dulles Intl

Tue 24-3

19:32-07:00

1 stop23h 28m

HK$7,164

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-4

21:45-11:48

2 stops26h 03m

Washington, D.C. Dulles Intl

Sun 5-4

12:35-05:00

1 stop28h 25m

HK$7,172

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 22-2

22:45-16:05

2 stops30h 20m

Washington, D.C. Dulles Intl

Sun 1-3

19:13-07:00

1 stop22h 47m

HK$7,172

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 2-3

23:20-11:45

1 stop25h 25m

Washington, D.C. Dulles Intl

Tue 17-3

14:30-08:20

1 stop29h 50m

HK$7,811

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 2-3

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Wed 18-3

11:40-21:40

1 stop22h 00m

HK$7,857

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 1-3

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Thu 12-3

21:05-21:40

1 stop36h 35m

HK$8,114

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10-3

19:40-17:20

2 stops33h 40m

Washington, D.C. Dulles Intl

Tue 24-3

19:11-10:10

2 stops26h 59m

HK$8,169

Flights are sorted by cheapest return flights first.

Deals found on 7-1

Showing 1-10 of 22 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 8 January 2026.
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
9,142 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

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
9,142 reviews
United Airlines
7.4
Good
9,142 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

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

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$1,388, while return flights cost around HK$2,428.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$7,244, however they can be found for as little as HK$2,428.

  • 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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