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HK$3,902+ 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 23-3. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
28 Mar — 4 Apr1
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 26 February 2026.

Sat 10-1011:45
HKG
-
IAD
2 stops23h 21m
United Airlines
Sat 17-1022:10
IAD
-
HKG
1 stop32h 45m
United Airlines
Deal found 24-2HK$6,671
Tue 3-310:35
HKG
-
IAD
2 stops23h 28m
United Airlines
Sun 8-314:36
IAD
-
HKG
1 stop27h 09m
United Airlines
Deal found 23-2HK$6,679
Wed 8-421:45
HKG
-
IAD
2 stops26h 03m
United Airlines
Wed 15-415:22
IAD
-
HKG
1 stop26h 18m
United Airlines
Deal found 22-2HK$6,788
Mon 26-1022:45
HKG
-
IAD
2 stops27h 18m
United Airlines
Mon 2-1117:55
IAD
-
HKG
1 stop23h 50m
United Airlines
Deal found 25-2HK$6,890
Mon 26-1014:05
HKG
-
IAD
2 stops29h 23m
Multiple Airlines
Mon 2-1117:38
IAD
-
HKG
2 stops30h 22m
Multiple Airlines
Deal found 23-2HK$6,921
Sat 10-1015:25
HKG
-
IAD
2 stops28h 03m
EVA Air
Sat 17-1017:38
IAD
-
HKG
2 stops30h 27m
EVA Air
Deal found 24-2HK$7,007
Wed 1-422:30
HKG
-
IAD
2 stops25h 18m
United Airlines
Sun 5-422:10
IAD
-
HKG
1 stop42h 50m
United Airlines
Deal found 21-2HK$7,085
Wed 17-612:20
HKG
-
IAD
2 stops23h 35m
Delta
Thu 30-719:50
IAD
-
HKG
2 stops27h 05m
Delta
Deal found 22-2HK$7,093
Tue 3-319:40
HKG
-
IAD
2 stops34h 40m
EVA Air
Sun 8-307:05
IAD
-
HKG
2 stops47h 25m
EVA Air
Deal found 23-2HK$7,179
Sat 14-1119:40
HKG
-
IAD
2 stops24h 48m
EVA Air
Sat 21-1117:38
IAD
-
HKG
2 stops26h 22m
EVA Air
Deal found 24-2HK$7,226
Tue 3-310:00
HKG
-
IAD
1 stop38h 45m
Turkish Airlines
Sun 8-322:15
IAD
-
HKG
1 stop22h 05m
Turkish Airlines
Deal found 23-2HK$7,359
Sat 14-1123:20
HKG
-
IAD
1 stop32h 55m
Turkish Airlines
Sat 21-1121:10
IAD
-
HKG
1 stop30h 55m
Turkish Airlines
Deal found 24-2HK$7,461

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 26 February 2026.

Return from

HK$6,679

One-way from

HK$3,902

Popular in

November

Cheapest in

December

Average price

HK$7,789
United Airlines
  • United Airlines
  • 16-3-30-3
  • 3 total stops
  • 56h 18m total
  • Hong Kong to Washington, D.C.
Search Deals
Air China
  • Air China
  • 23-3
  • 1 total stop
  • 37h 40m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (HK$77 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$171 potential savings vs. average return price).
Search Deals
Average for return flights in February 2026
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 26 February 2026.
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

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 9-4

11:45-00:17

2 stops24h 32m

Washington, D.C. Dulles Intl

Thu 16-4

22:05-18:30

1 stop32h 25m

HK$6,788

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-4

22:30-11:48

2 stops25h 18m

Washington, D.C. Dulles Intl

Sun 5-4

22:10-05:00

1 stop42h 50m

HK$7,085

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 16-6

00:45-11:15

1 stop22h 30m

Washington, D.C. Dulles Intl

Thu 30-7

19:50-10:55

2 stops27h 05m

HK$8,790

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 17-5

20:10-07:34

2 stops47h 24m

Washington, D.C. Dulles Intl

Mon 1-6

17:35-09:55

2 stops28h 20m

HK$8,923

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 8-5

00:55-16:05

1 stop27h 10m

Washington, D.C. Dulles Intl

Sat 23-5

20:20-23:20

1 stop39h 00m

HK$8,978

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 9-4

00:45-23:41

2 stops34h 56m

Washington, D.C. Dulles Intl

Fri 17-4

06:00-22:45

2 stops28h 45m

HK$9,471

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 21-4

00:45-11:15

1 stop22h 30m

HK$4,473

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 13-5

12:20-23:38

2 stops23h 18m

HK$4,512

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 22-4

12:20-23:55

2 stops23h 35m

HK$4,512

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 15-5

12:20-23:38

2 stops23h 18m

HK$4,512

Flights are sorted by cheapest return flights first.

Deals found on 24-2

Showing 1-10 of 15 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
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 26 February 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
9,348 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

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
United Airlines
7.4
Good
9,348 reviews
United Airlines
7.4
Good
9,348 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

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$1,394, while return flights cost around HK$2,864.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$3,225, however they can be found for as little as HK$2,864.

  • 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

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