HK$3,869+ 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 16-3. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
28 Feb — 7 Mar1
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
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 29 January 2026.

Wed 1-412:40
HKG
-
IAD
2 stops22h 45m
United Airlines
Sun 5-412:35
IAD
-
HKG
1 stop28h 25m
United Airlines
Deal found 28-1HK$7,068
Fri 13-222:45
HKG
-
IAD
2 stops26h 04m
United Airlines
Sat 21-222:10
IAD
-
HKG
1 stop32h 10m
United Airlines
Deal found 28-1HK$7,177
Thu 29-110:35
HKG
-
IAD
2 stops25h 43m
United Airlines
Sun 1-222:20
IAD
-
HKG
1 stop32h 00m
United Airlines
Deal found 27-1HK$7,286
Fri 6-308:30
HKG
-
IAD
1 stop23h 00m
Air China
Fri 20-323:00
IAD
-
HKG
1 stop24h 40m
Air China
Deal found 28-1HK$7,318
Tue 3-223:20
HKG
-
IAD
1 stop33h 00m
Turkish Airlines
Tue 10-221:15
IAD
-
HKG
1 stop22h 05m
Turkish Airlines
Deal found 27-1HK$7,349
Thu 29-110:00
HKG
-
IAD
1 stop38h 45m
Turkish Airlines
Sun 1-221:15
IAD
-
HKG
1 stop22h 05m
Turkish Airlines
Deal found 27-1HK$7,357
Mon 9-213:00
HKG
-
IAD
1 stop42h 30m
Air China
Fri 13-323:00
IAD
-
HKG
1 stop24h 40m
Air China
Deal found 27-1HK$7,364
Thu 19-210:00
HKG
-
IAD
1 stop46h 20m
Turkish Airlines
Wed 4-321:15
IAD
-
HKG
1 stop30h 50m
Turkish Airlines
Deal found 27-1HK$7,388
Wed 4-223:20
HKG
-
IAD
1 stop25h 25m
Turkish Airlines
Tue 10-322:15
IAD
-
HKG
1 stop22h 05m
Turkish Airlines
Deal found 26-1HK$7,411
Sun 8-210:00
HKG
-
IAD
1 stop46h 20m
Turkish Airlines
Mon 9-322:15
IAD
-
HKG
1 stop30h 50m
Turkish Airlines
Deal found 27-1HK$7,513
Thu 5-210:00
HKG
-
IAD
1 stop46h 20m
Turkish Airlines
Wed 11-314:30
IAD
-
HKG
1 stop38h 35m
Turkish Airlines
Deal found 26-1HK$7,520

Find flight deals to Dulles Intl Airport

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 29 January 2026.

Return from

HK$7,068

One-way from

HK$3,869

Popular in

November

Cheapest in

December

Average price

HK$8,098
United Airlines
  • United Airlines
  • 1-4-5-4
  • 3 total stops
  • 51h 10m total
  • Hong Kong to Washington, D.C.
Air Canada
  • Air Canada
  • 16-3
  • 2 total stops
  • 32h 21m total
  • Hong Kong to Washington, D.C.
Highest demand for flights based on searches. 2% potential increase in price (HK$188 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (HK$182 potential savings vs. average return price).
Average for return flights in January 2026

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 29 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

Thu 26-2

11:25-21:03

2 stops22h 38m

Washington, D.C. Dulles Intl

Thu 5-3

08:25-06:45

1 stop33h 20m

HK$7,068

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-4

12:40-23:25

2 stops22h 45m

Washington, D.C. Dulles Intl

Sun 5-4

22:15-05:40

1 stop43h 25m

HK$7,068

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 13-2

22:45-17:00

2 stops31h 15m

Washington, D.C. Dulles Intl

Sun 22-2

06:20-06:45

1 stop35h 25m

HK$7,177

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 13-2

22:45-11:49

2 stops26h 04m

Washington, D.C. Dulles Intl

Sat 21-2

22:10-19:20

1 stop32h 10m

HK$7,177

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 9-2

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Thu 12-3

21:05-21:40

1 stop36h 35m

HK$7,879

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 22-4

09:45-07:50

2 stops34h 05m

Washington, D.C. Dulles Intl

Mon 27-4

09:55-05:15

2 stops31h 20m

HK$7,879

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 9-2

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Sun 8-3

11:40-21:40

1 stop22h 00m

HK$8,098

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 6-3

10:35-20:47

2 stops23h 12m

Washington, D.C. Dulles Intl

Fri 20-3

22:05-19:20

2 stops33h 15m

HK$8,105

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 8-2

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Thu 12-3

21:05-21:40

1 stop36h 35m

HK$8,121

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 9-2

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Sat 14-3

21:05-21:40

1 stop36h 35m

HK$8,121

Flights are sorted by cheapest return flights first.

Deals found on 28-1

Showing 1-10 of 21 results
1
2
3

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 29 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.

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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$1,390, while return flights cost around HK$2,856.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$3,217, however they can be found for as little as HK$2,856.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Dulles Intl by cabin class

Find flights to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.