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HK$3,759+ 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 16-6. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
18 Mar — 25 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 16 February 2026.

Wed 2-921:45
HKG
-
IAD
2 stops25h 58m
United Airlines
Sat 26-906:30
IAD
-
HKG
1 stop24h 25m
United Airlines
Deal found 14-2HK$6,776
Thu 7-519:40
HKG
-
IAD
2 stops22h 10m
EVA Air
Sun 13-919:18
IAD
-
HKG
2 stops35h 12m
EVA Air
Deal found 15-2HK$7,003
Wed 1-421:45
HKG
-
IAD
2 stops31h 43m
United Airlines
Sun 5-420:53
IAD
-
HKG
1 stop33h 37m
United Airlines
Deal found 14-2HK$7,081
Sun 22-223:20
HKG
-
IAD
1 stop33h 00m
Turkish Airlines
Sun 8-314:30
IAD
-
HKG
1 stop29h 50m
Turkish Airlines
Deal found 14-2HK$7,190
Thu 7-519:40
HKG
-
IAD
2 stops40h 29m
Multiple Airlines
Sun 13-913:20
IAD
-
HKG
1 stop28h 05m
Multiple Airlines
Deal found 15-2HK$7,480
Wed 26-813:40
HKG
-
IAD
2 stops29h 48m
Multiple Airlines
Wed 2-913:20
IAD
-
HKG
1 stop34h 40m
Multiple Airlines
Deal found 13-2HK$7,487
Thu 5-310:00
HKG
-
IAD
1 stop46h 20m
Turkish Airlines
Wed 18-314:30
IAD
-
HKG
1 stop38h 35m
Turkish Airlines
Deal found 16-2HK$7,503
Tue 3-300:25
HKG
-
IAD
1 stop28h 30m
Qatar Airways
Wed 11-311:40
IAD
-
HKG
1 stop22h 00m
Qatar Airways
Deal found 14-2HK$7,636
Tue 24-310:00
HKG
-
IAD
1 stop46h 20m
Turkish Airlines
Mon 22-613:20
IAD
-
HKG
1 stop30h 05m
Turkish Airlines
Deal found 13-2HK$7,683
Tue 24-310:00
HKG
-
IAD
1 stop38h 45m
Turkish Airlines
Fri 26-621:45
IAD
-
HKG
1 stop21h 40m
Turkish Airlines
Deal found 13-2HK$7,823
Thu 7-518:15
HKG
-
IAD
1 stop33h 50m
Qatar Airways
Sun 13-921:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 15-2HK$7,878

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 16 February 2026.

Return from

HK$6,760

One-way from

HK$3,759

Popular in

November

Cheapest in

December

Average price

HK$7,784
Delta
  • Delta
  • 17-6-15-7
  • 4 total stops
  • 53h 40m total
  • Hong Kong to Washington, D.C.
Search Deals
Delta
  • Delta
  • 5-6
  • 2 total stops
  • 35h 14m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (HK$74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$172 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 16 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

Hong Kong

Route

Departure

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-4

21:45-17:28

2 stops31h 43m

Washington, D.C. Dulles Intl

Sun 5-4

20:53-18:30

1 stop33h 37m

HK$7,081

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 5-3

10:00-19:20

1 stop46h 20m

Washington, D.C. Dulles Intl

Wed 18-3

14:30-17:05

1 stop38h 35m

HK$7,503

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 24-3

10:00-12:45

1 stop38h 45m

Washington, D.C. Dulles Intl

Fri 26-6

21:45-07:25

1 stop21h 40m

HK$7,823

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-6

09:30-20:29

2 stops22h 59m

Washington, D.C. Dulles Intl

Wed 15-7

09:45-22:45

2 stops25h 00m

HK$7,925

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-6

16:05-11:09

1 stop31h 04m

Washington, D.C. Dulles Intl

Wed 15-7

19:21-04:05

1 stop20h 44m

HK$8,175

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 12-7

09:45-07:44

2 stops33h 59m

Washington, D.C. Dulles Intl

Tue 4-8

16:25-05:10

2 stops24h 45m

HK$8,339

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 26-3

10:00-20:20

1 stop46h 20m

Washington, D.C. Dulles Intl

Fri 26-6

21:45-07:25

1 stop21h 40m

HK$8,339

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 12-7

21:05-22:30

1 stop37h 25m

Washington, D.C. Dulles Intl

Mon 3-8

01:50-12:05

1 stop22h 15m

HK$8,511

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-6

11:45-22:19

1 stop22h 34m

Washington, D.C. Dulles Intl

Wed 15-7

09:10-18:30

1 stop21h 20m

HK$8,542

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 16-6

12:20-23:55

2 stops23h 35m

HK$3,759

Flights are sorted by cheapest return flights first.

Deals found on 13-2

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 16 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
9,299 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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
9,299 reviews
United Airlines
7.4
Good
9,299 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

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$1,393, while return flights cost around HK$2,862.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$3,223, however they can be found for as little as HK$2,862.

  • 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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