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HK$3,758+ 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 21-1. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
14 feb — 21 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 15 gennaio 2026.

Return from

HK$7,065

One-way from

HK$3,758

Popular in

November

Cheapest in

December

Average price

HK$8,094
United Airlines
  • United Airlines
  • 27-2-6-3
  • 3 total stops
  • 55h 38m total
  • Hong Kong to Washington, D.C.
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21-1
  • 21-1
  • 3 total stops
  • 56h 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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$178 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 15 gennaio 2026.

ven 27-210:35
HKG
-
IAD
2 stops23h 28m
United Airlines
ven 6-322:10
IAD
-
HKG
1 stop32h 10m
United Airlines
Deal found 13-1HK$7,065
mar 3-300:25
HKG
-
IAD
1 stop28h 30m
Qatar Airways
mer 25-311:40
IAD
-
HKG
1 stop22h 00m
Qatar Airways
Deal found 15-1HK$7,096
mer 4-218:05
HKG
-
IAD
1 stop34h 50m
Qatar Airways
mer 18-311:40
IAD
-
HKG
1 stop22h 00m
Qatar Airways
Deal found 14-1HK$7,104
sab 31-110:35
HKG
-
IAD
2 stops25h 38m
United Airlines
sab 7-212:35
IAD
-
HKG
1 stop29h 25m
United Airlines
Deal found 13-1HK$7,166
sab 17-122:45
HKG
-
IAD
2 stops26h 01m
United Airlines
lun 19-112:40
IAD
-
HKG
1 stop41h 35m
United Airlines
Deal found 13-1HK$7,174
lun 2-211:25
HKG
-
IAD
2 stops22h 52m
United Airlines
mer 18-218:00
IAD
-
HKG
1 stop24h 00m
United Airlines
Deal found 15-1HK$7,182
lun 2-218:05
HKG
-
IAD
1 stop34h 50m
Qatar Airways
mer 18-220:05
IAD
-
HKG
1 stop29h 45m
Qatar Airways
Deal found 15-1HK$7,291
lun 26-123:20
HKG
-
IAD
1 stop25h 25m
Turkish Airlines
lun 9-221:15
IAD
-
HKG
1 stop30h 50m
Turkish Airlines
Deal found 13-1HK$7,345
mar 3-218:05
HKG
-
IAD
1 stop27h 15m
Qatar Airways
mer 18-311:40
IAD
-
HKG
1 stop22h 00m
Qatar Airways
Deal found 14-1HK$7,353
mar 27-110:00
HKG
-
IAD
1 stop46h 20m
Turkish Airlines
ven 30-113:30
IAD
-
HKG
1 stop29h 50m
Turkish Airlines
Deal found 13-1HK$7,377
gio 26-200:25
HKG
-
IAD
1 stop28h 30m
Qatar Airways
ven 6-320:05
IAD
-
HKG
1 stop29h 45m
Qatar Airways
Deal found 13-1HK$7,439
lun 2-213:00
HKG
-
IAD
1 stop42h 30m
Air China
mar 17-323:00
IAD
-
HKG
1 stop26h 05m
Air China
Deal found 14-1HK$7,470

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 15 gennaio 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

mar 27-1

11:25-21:13

2 stops22h 48m

Washington, D.C. Dulles Intl

ven 30-1

12:40-07:00

1 stop29h 20m

HK$7,065

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

ven 27-2

10:35-21:03

2 stops23h 28m

Washington, D.C. Dulles Intl

ven 6-3

08:25-06:45

1 stop33h 20m

HK$7,065

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

ven 6-2

11:25-23:18

2 stops24h 53m

Washington, D.C. Dulles Intl

mar 17-2

08:30-06:45

1 stop33h 15m

HK$7,065

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mar 3-3

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

mer 25-3

11:40-21:40

1 stop22h 00m

HK$7,096

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

sab 31-1

10:35-23:13

2 stops25h 38m

Washington, D.C. Dulles Intl

sab 7-2

12:35-07:00

1 stop29h 25m

HK$7,166

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mer 1-4

22:30-11:48

2 stops25h 18m

Washington, D.C. Dulles Intl

dom 5-4

08:55-05:40

1 stop32h 45m

HK$7,174

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

lun 2-2

11:25-21:17

2 stops22h 52m

Washington, D.C. Dulles Intl

mer 18-2

18:00-07:00

1 stop24h 00m

HK$7,182

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

lun 2-2

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

mer 18-2

20:05-14:50

1 stop29h 45m

HK$7,291

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

lun 2-2

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

lun 16-3

21:05-14:50

1 stop29h 45m

HK$7,587

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

sab 31-1

19:40-16:26

2 stops33h 46m

Washington, D.C. Dulles Intl

sab 7-2

18:04-09:00

2 stops25h 56m

HK$7,727

Flights are sorted by cheapest return flights first.

Deals found on 12-1

Showing 1-10 of 21 results
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2
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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 15 gennaio 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
9,163 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

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
9,163 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

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$1,389, while return flights cost around HK$2,431.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$7,253, however they can be found for as little as HK$2,431.

  • 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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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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