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HK$3,817+ 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 21-4. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
30 Mar — 6 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 28 February 2026.

Tue 3-310:35
HKG
-
IAD
2 stops23h 28m
United Airlines
Sun 8-315:45
IAD
-
HKG
1 stop27h 15m
United Airlines
Deal found 26-2HK$6,672
Mon 26-1022:45
HKG
-
IAD
2 stops27h 18m
United Airlines
Mon 2-1110:05
IAD
-
HKG
1 stop31h 40m
United Airlines
Deal found 27-2HK$6,891
Tue 3-319:40
HKG
-
IAD
2 stops34h 40m
EVA Air
Sun 8-318:27
IAD
-
HKG
2 stops27h 43m
EVA Air
Deal found 26-2HK$7,087
Tue 24-310:30
HKG
-
IAD
1 stop21h 00m
Air China
Tue 28-423:00
IAD
-
HKG
1 stop24h 50m
Air China
Deal found 27-2HK$7,180
Tue 14-408:30
HKG
-
IAD
1 stop23h 00m
Air China
Tue 21-423:00
IAD
-
HKG
1 stop26h 05m
Air China
Deal found 28-2HK$7,212
Tue 3-310:00
HKG
-
IAD
1 stop38h 45m
Turkish Airlines
Sun 8-322:15
IAD
-
HKG
1 stop22h 05m
Turkish Airlines
Deal found 26-2HK$7,360
Sun 25-1000:25
HKG
-
IAD
1 stop28h 30m
Qatar Airways
Mon 2-1120:05
IAD
-
HKG
1 stop36h 35m
Qatar Airways
Deal found 27-2HK$7,634
Mon 13-418:15
HKG
-
IAD
1 stop33h 50m
Qatar Airways
Mon 20-420:20
IAD
-
HKG
1 stop39h 00m
Qatar Airways
Deal found 27-2HK$7,650
Sat 14-311:25
HKG
-
IAD
2 stops24h 34m
United Airlines
Thu 19-306:15
IAD
-
HKG
1 stop25h 05m
United Airlines
Deal found 26-2HK$7,673
Wed 1-411:45
HKG
-
IAD
2 stops35h 48m
United Airlines
Sun 5-415:25
IAD
-
HKG
1 stop26h 15m
United Airlines
Deal found 26-2HK$7,712
Tue 14-419:40
HKG
-
IAD
2 stops22h 00m
EVA Air
Tue 21-419:11
IAD
-
HKG
2 stops25h 39m
EVA Air
Deal found 28-2HK$7,877

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 28 February 2026.

Return from

HK$6,672

One-way from

HK$3,817

Popular in

November

Cheapest in

December

Average price

HK$7,791
United Airlines
  • United Airlines
  • 14-4-21-4
  • 3 total stops
  • 44h 58m total
  • Hong Kong to Washington, D.C.
Search Deals
21-4
  • 21-4
  • 2 total stops
  • 46h 29m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (HK$76 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 28 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

Mon 13-4

18:15-16:05

1 stop33h 50m

Washington, D.C. Dulles Intl

Mon 20-4

20:20-23:20

1 stop39h 00m

HK$7,650

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 14-3

11:25-23:59

2 stops24h 34m

Washington, D.C. Dulles Intl

Thu 19-3

06:15-19:20

1 stop25h 05m

HK$7,673

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-4

12:40-23:59

2 stops23h 19m

Washington, D.C. Dulles Intl

Sun 5-4

08:57-05:40

1 stop32h 43m

HK$7,712

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 25-4

18:15-16:05

1 stop33h 50m

Washington, D.C. Dulles Intl

Sun 6-9

11:05-21:55

1 stop22h 50m

HK$8,401

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 21-3

10:35-23:19

2 stops24h 44m

Washington, D.C. Dulles Intl

Sat 28-3

22:05-18:30

1 stop32h 25m

HK$9,324

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 13-5

12:20-23:38

2 stops23h 18m

HK$4,513

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 30-3

00:45-23:40

2 stops34h 55m

HK$4,513

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 15-5

12:20-23:38

2 stops23h 18m

HK$4,513

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-4

17:55-23:49

2 stops41h 54m

HK$4,513

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 30-5

21:45-16:26

1 stop30h 41m

HK$4,521

Flights are sorted by cheapest return flights first.

Deals found on 25-2

Showing 1-10 of 13 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 28 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
9,370 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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
9,370 reviews
United Airlines
7.4
Good
9,370 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

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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Why should you use Cheapflights to find cheap flight tickets to Dulles Intl?

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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.

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