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$402+ Cheap flights from Dulles Intl (IAD) to Hong Kong (HKG)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hong Kong Intl are usually found in October or November, booked 84 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Dulles Intl to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hong Kong (HKG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$758
(FlightHub)

One-way from

$402
(Air Canada)

Popular in

June

Cheapest in

October

Average price

$1,233
From Washington, D.C. Dulles Intl to Hong Kong Intl
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One-way flight from Washington, D.C. Dulles Intl to Hong Kong Intl
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Highest demand for flights based on searches. 12% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Hong Kong

Cheapest flights from Dulles Intl to Hong Kong
Explore the most affordable flight options available from Dulles Intl to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:20 amIAD - HKG
2 stops24h 25mAir Canada
Tue 12/238:25 pmHKG - IAD
2 stops32h 29mAir Canada
Deal found 8/14$758
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:25 amIAD - HKG
1 stop32h 10mMultiple Airlines
Wed 9/102:35 amHKG - IAD
2 stops30h 30mMultiple Airlines
Deal found 8/14$760
This Air Canada deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:00 pmIAD - HKG
2 stops39h 05mAir Canada
Mon 9/226:00 pmHKG - IAD
2 stops34h 18mAir Canada
Deal found 8/13$764
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:35 amIAD - HKG
2 stops27h 10mMultiple Airlines
Tue 12/28:25 pmHKG - IAD
2 stops37h 34mMultiple Airlines
Deal found 8/13$769
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:22 pmIAD - HKG
2 stops34h 43mAir Canada
Sun 10/56:00 pmHKG - IAD
2 stops29h 13mAir Canada
Deal found 8/14$771
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:35 amIAD - HKG
2 stops42h 30mAir Canada
Thu 10/236:00 pmHKG - IAD
2 stops39h 05mAir Canada
Deal found 8/13$775
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:25 pmIAD - HKG
2 stops37h 40mAir Canada
Tue 9/236:00 pmHKG - IAD
1 stop24h 31mAir Canada
Deal found 8/13$782
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:25 pmIAD - HKG
2 stops61h 40mAir Canada
Sat 9/206:00 pmHKG - IAD
2 stops27h 38mAir Canada
Deal found 8/14$788
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:15 pmIAD - HKG
2 stops36h 25mAir Canada
Mon 12/18:25 pmHKG - IAD
2 stops37h 34mAir Canada
Deal found 8/14$793
This CrystalTravel deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:00 pmIAD - HKG
1 stop24h 45mAir China
Tue 3/1010:30 amHKG - IAD
1 stop21h 00mAir China
Deal found 8/13$795
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:00 pmIAD - HKG
1 stop32h 00mAir China
Mon 11/31:00 pmHKG - IAD
1 stop42h 30mAir China
Deal found 8/13$797
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/315:37 pmIAD - HKG
2 stops34h 28mAir Canada
Tue 12/238:25 pmHKG - IAD
2 stops32h 29mAir Canada
Deal found 8/13$803

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Hong Kong that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hong Kong that are best for you.

Fly from

Dulles Intl

Fly to

Hong Kong

Route

Depart

Return

Price

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 9/3

1:00 pm-4:35 am

2 stops27h 35m

Hong Kong Intl

Tue 9/23

6:00 pm-11:13 am

2 stops29h 13m

$815

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Fri 10/24

11:00 pm-11:45 am

1 stop24h 45m

Hong Kong Intl

Mon 12/29

1:00 pm-6:30 pm

1 stop42h 30m

$854

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 8/28

9:13 am-4:05 pm

2 stops42h 52m

Hong Kong Intl

Tue 12/9

8:25 pm-8:59 pm

2 stops37h 34m

$865

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 11/19

9:45 am-10:50 pm

2 stops24h 05m

Hong Kong Intl

Wed 1/14

8:25 pm-4:25 pm

2 stops33h 00m

$905

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 10/29

9:45 am-10:50 pm

2 stops25h 05m

Hong Kong Intl

Mon 12/1

2:00 am-8:59 pm

2 stops31h 59m

$933

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Fri 10/24

5:37 pm-5:40 pm

2 stops36h 03m

Hong Kong Intl

Wed 12/24

8:25 pm-9:25 pm

2 stops38h 00m

$940

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 10/21

1:00 pm-12:45 am

2 stops47h 45m

Hong Kong Intl

Mon 11/17

2:00 am-4:21 pm

2 stops51h 21m

$956

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 1/8

9:00 am-10:20 pm

2 stops24h 20m

Hong Kong Intl

Thu 1/15

8:55 am-8:29 pm

2 stops24h 34m

$967

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 8/27

7:00 am-10:00 pm

2 stops27h 00m

Hong Kong Intl

Wed 12/10

10:20 am-5:55 am

2 stops32h 35m

$994

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 12/1

9:10 pm-5:05 pm

1 stop30h 55m

Hong Kong Intl

Tue 1/20

11:20 pm-11:45 am

1 stop25h 25m

$994

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 19 results
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Best time to book a flight from Dulles Intl to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Dulles Intl with our price prediction graph.
Estimated round-trip 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 from Washington, D.C. Dulles Intl Airport to Hong Kong

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Hong Kong. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Hong Kong, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong (average of $949). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of $1,629). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to HKG?

Find hourly flight availability from Dulles Intl to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Hong Kong in the evening. Doing so could potentially save you 31% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Hong Kong?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Hong Kong. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Hong Kong flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Hong Kong?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Hong Kong chosen by Cheapflights users in the past 12 months, using the same layover each way.

San Francisco (SFO) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Hong Kong on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Hong Kong?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Hong Kong, chosen by Cheapflights users in the past 12 months, with the same layover each way.

San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $1,056.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Hong Kong?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Hong Kong, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Incheon (ICN) have the shortest average one-way travel time for 1-stop routes: 21h 05m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Hong Kong?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Hong Kong, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 55m.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. 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 Hong Kong. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Qatar Airways, United Airlines, and Turkish Airlines from Washington, D.C. Dulles Intl Airport to Hong Kong by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,608 reviews

Crew

7.9

Comfort

7.4

Overall

7.4

Entertainment

7.4

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,608 reviews
Qatar Airways
7.4
Good
3,608 reviews

Crew

7.9

Comfort

7.4

Overall

7.4

Entertainment

7.4

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
United Airlines
7.4
Good
8,916 reviews
Qatar Airways
7.4
Good
3,608 reviews

Crew

7.9

Comfort

7.4

Overall

7.4

Entertainment

7.4

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Turkish Airlines
7.3
Good
3,940 reviews
Qatar Airways
7.4
Good
3,608 reviews

Crew

7.9

Comfort

7.4

Overall

7.4

Entertainment

7.4

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Air China
7.3
Good
94 reviews
Qatar Airways
7.4
Good
3,608 reviews

Crew

7.9

Comfort

7.4

Overall

7.4

Entertainment

7.4

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Air Canada
7.1
Good
9,949 reviews
Qatar Airways
7.4
Good
3,608 reviews

Crew

7.9

Comfort

7.4

Overall

7.4

Entertainment

7.4

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hong Kong. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hong Kong from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Hong Kong, you will be flying into Hong Kong Intl. Hong Kong Intl (HKG) is just 16.2 mi from the center of the city. Hong Kong Intl is the only Hong Kong airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 8 airlines have flights to Hong Kong Intl from Washington, D.C. Dulles Intl on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Hong Kong round-trip?

    Currently priced at $678, Air Canada will fly you from Washington, D.C. Dulles Intl Airport to Hong Kong and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air China and Turkish Airlines - these airlines can fly you to your destination from $722 and $909, respectively. These flights start at 44% lower than the current average price 3 months from now.

  • Can I find deals for flights from Dulles Intl to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hong Kong.

  • Can I find deals for business class flights from Dulles Intl to Hong Kong?

    Yes. Cheapflights offers flight deals from Dulles Intl to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong (average of $949). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of $1,629). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Hong Kong flights
Baltimore to Hong Kong flights

Top 8 airlines flying from Dulles Intl to Hong Kong

Discover the top 8 airlines that operate flights from Dulles Intl to Hong Kong. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$678Average$811FlexibilityNo cancel feeOn-time67%
Air ChinaCheapest$722Average$928FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$909Average$1,021FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$939Average$1,217FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$974Average$1,162FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,072Average$1,130FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$1,079Average$1,344FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,230Average$1,656FlexibilityNo cancel feeOn-time72%

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