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HK$3,481+ 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 7-12. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
30 11月 — 7 12月1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2025

Find the latest flights to Dulles Intl in 2025, 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 31 10月 2025.

Return from

HK$5,734

One-way from

HK$3,481

Popular in

August

Cheapest in

December

Average price

HK$7,567
28-11-5-12
  • 28-11-5-12
  • 5 total stops
  • 64h 26m total
  • Hong Kong to Washington, D.C.
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7-12
  • 7-12
  • 3 total stops
  • 47h 15m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$238 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$84 potential savings vs. average return price).
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Average for return flights in October 2025
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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 31 10月 2025.

木 25-1210:35HKG - IAD
2 stops23h 19mUnited Airlines
火 30-1222:05IAD - HKG
1 stop32h 15mUnited Airlines
Deal found 29-10HK$6,876
木 18-1210:00HKG - IAD
1 stop46h 20mTurkish Airlines
火 13-121:15IAD - HKG
1 stop22h 05mTurkish Airlines
Deal found 30-10HK$7,264
木 4-1220:15HKG - IAD
1 stop35h 15mAir China
金 23-122:00IAD - HKG
1 stop24h 40mAir China
Deal found 30-10HK$7,451
金 5-1219:40HKG - IAD
2 stops23h 26mMultiple Airlines
水 21-118:04IAD - HKG
2 stops25h 56mMultiple Airlines
Deal found 30-10HK$7,513
木 4-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
水 21-113:30IAD - HKG
1 stop38h 35mTurkish Airlines
Deal found 30-10HK$7,575
水 3-1200:25HKG - IAD
1 stop28h 30mQatar Airways
水 21-110:40IAD - HKG
1 stop22h 00mQatar Airways
Deal found 30-10HK$7,622
木 11-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
日 14-1213:30IAD - HKG
1 stop38h 35mTurkish Airlines
Deal found 31-10HK$7,684
火 2-1223:20HKG - IAD
1 stop33h 00mTurkish Airlines
水 21-121:15IAD - HKG
1 stop30h 50mTurkish Airlines
Deal found 30-10HK$7,793
土 6-1218:05HKG - IAD
1 stop27h 15mJetBlue
日 4-110:40IAD - HKG
1 stop22h 00mJetBlue
Deal found 30-10HK$7,839
月 1-1200:25HKG - IAD
1 stop28h 30mQatar Airways
火 20-120:05IAD - HKG
1 stop36h 35mQatar Airways
Deal found 30-10HK$7,862
水 24-1211:25HKG - IAD
2 stops22h 39mUnited Airlines
木 1-106:30IAD - HKG
1 stop23h 50mUnited Airlines
Deal found 29-10HK$7,956
火 23-1210:00HKG - IAD
1 stop46h 20mTurkish Airlines
火 30-1213:30IAD - HKG
1 stop29h 50mTurkish Airlines
Deal found 29-10HK$8,010

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 31 10月 2025.
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

月 8-12

23:20-11:45

1 stop25h 25m

Washington, D.C. Dulles Intl

水 21-1

13:30-17:05

1 stop38h 35m

HK$7,793

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

火 2-12

23:20-11:45

1 stop25h 25m

Washington, D.C. Dulles Intl

金 23-1

13:30-08:20

1 stop29h 50m

HK$7,793

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

月 8-12

23:20-11:45

1 stop25h 25m

Washington, D.C. Dulles Intl

土 24-1

13:30-17:05

1 stop38h 35m

HK$7,793

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

土 14-3

23:20-12:45

1 stop25h 25m

Washington, D.C. Dulles Intl

日 22-3

14:30-17:05

1 stop38h 35m

HK$7,793

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

火 17-3

23:20-20:20

1 stop33h 00m

Washington, D.C. Dulles Intl

土 21-3

14:30-17:05

1 stop38h 35m

HK$7,793

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

日 15-3

23:20-12:45

1 stop25h 25m

Washington, D.C. Dulles Intl

火 24-3

22:15-08:20

1 stop22h 05m

HK$7,793

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

土 14-3

23:20-12:45

1 stop25h 25m

Washington, D.C. Dulles Intl

月 23-3

14:30-17:05

1 stop38h 35m

HK$7,793

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

木 19-3

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

金 27-3

11:40-21:40

1 stop22h 00m

HK$7,839

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

水 18-3

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

水 25-3

11:40-21:40

1 stop22h 00m

HK$7,839

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

金 5-12

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

日 4-1

10:40-21:40

1 stop22h 00m

HK$7,839

Flights are sorted by cheapest return flights first.

Deals found on 31-10

Showing 1-10 of 20 results
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 31 10月 2025.
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
8,995 reviews
Check prices

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,995 reviews
United Airlines
7.4
Good
8,995 reviews
Check prices

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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$1,423, while return flights cost around HK$2,307.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$2,419, however they can be found for as little as HK$2,307.

  • 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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