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$445+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 November or October, 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 September 17, 2025.

Round-trip from

$805
(Air Canada)

One-way from

$445
(Booking.com)

Popular in

December

Cheapest in

November

Average price

$1,050
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. 0% potential increase in price ($0 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. 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.
Mon 11/245:15 pmIAD - HKG
2 stops36h 25mAir Canada
Mon 12/18:25 pmHKG - IAD
2 stops37h 34mAir Canada
Deal found 9/15$812
This Air Canada deal was found by Cheapflights users on 9/14. 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 11/1610:12 pmIAD - HKG
2 stops55h 28mAir Canada
Wed 12/108:25 pmHKG - IAD
2 stops37h 57mAir Canada
Deal found 9/14$815
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Mon 9/225:37 pmIAD - HKG
2 stops41h 08mAir Canada
Tue 10/76:00 pmHKG - IAD
2 stops34h 18mAir Canada
Deal found 9/15$818
This Air Canada deal was found by Cheapflights users on 9/14. 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 11/161:20 pmIAD - HKG
2 stops40h 20mAir Canada
Mon 12/810:00 amHKG - IAD
2 stops23h 59mAir Canada
Deal found 9/14$819
This Air Canada deal was found by Cheapflights users on 9/15. 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 11/1810:11 pmIAD - HKG
2 stops55h 29mAir Canada
Wed 2/188:25 pmHKG - IAD
2 stops27h 36mAir Canada
Deal found 9/15$822
This Air Canada deal was found by Cheapflights users on 9/15. 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 11/189:45 amIAD - HKG
2 stops24h 05mAir Canada
Mon 11/248:25 pmHKG - IAD
2 stops32h 26mAir Canada
Deal found 9/15$825
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:00 amIAD - HKG
2 stops24h 30mMultiple Airlines
Thu 12/1110:00 amHKG - IAD
2 stops23h 59mMultiple Airlines
Deal found 9/15$828
This Air Canada deal was found by Cheapflights users on 9/16. 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 11/255:15 pmIAD - HKG
2 stops36h 25mAir Canada
Wed 2/188:25 pmHKG - IAD
2 stops37h 34mAir Canada
Deal found 9/16$832
This FlightHub deal was found by Cheapflights users on 9/15. 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 11/189:45 amIAD - HKG
2 stops24h 05mAir Canada
Tue 2/178:25 pmHKG - IAD
2 stops32h 29mAir Canada
Deal found 9/15$835
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Mon 11/1710:12 pmIAD - HKG
2 stops55h 28mAir Canada
Mon 1/198:25 pmHKG - IAD
2 stops37h 34mAir Canada
Deal found 9/16$836
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Thu 11/139:00 amIAD - HKG
2 stops24h 50mAir Canada
Tue 1/138:25 pmHKG - IAD
2 stops38h 00mAir Canada
Deal found 9/15$841
This Air Canada deal was found by Cheapflights users on 9/16. 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 11/165:15 pmIAD - HKG
2 stops60h 25mAir Canada
Mon 1/198:25 pmHKG - IAD
2 stops38h 00mAir Canada
Deal found 9/16$842

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 September 17, 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

Mon 11/10

6:48 am-7:15 pm

1 stop23h 27m

Hong Kong Intl

Wed 1/14

2:20 pm-9:10 am

1 stop31h 50m

$1,077

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 11/19

11:50 am-4:50 pm

1 stop40h 00m

Hong Kong Intl

Wed 1/14

6:10 pm-9:50 am

1 stop28h 40m

$1,079

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 11/10

11:50 am-4:50 pm

1 stop40h 00m

Hong Kong Intl

Wed 2/18

12:55 am-9:50 am

1 stop21h 55m

$1,079

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 11/17

11:50 am-4:50 pm

1 stop40h 00m

Hong Kong Intl

Mon 12/15

12:55 am-9:50 am

1 stop21h 55m

$1,079

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 11/17

11:50 am-4:50 pm

1 stop40h 00m

Hong Kong Intl

Sun 12/21

6:10 pm-9:50 am

1 stop28h 40m

$1,079

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 11/12

11:50 am-11:10 pm

1 stop22h 20m

Hong Kong Intl

Mon 1/12

12:55 am-9:50 am

1 stop21h 55m

$1,079

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 10/29

10:11 am-11:10 pm

2 stops24h 59m

Hong Kong Intl

Mon 12/1

12:55 am-9:50 am

1 stop21h 55m

$1,084

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 11/18

7:01 am-11:10 pm

2 stops27h 09m

Hong Kong Intl

Mon 1/12

12:55 am-9:50 am

1 stop21h 55m

$1,084

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 11/11

7:01 am-11:10 pm

2 stops27h 09m

Hong Kong Intl

Tue 1/13

12:35 pm-9:50 am

1 stop34h 15m

$1,084

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 10/28

10:11 am-11:10 pm

2 stops24h 59m

Hong Kong Intl

Mon 12/1

12:35 pm-9:50 am

1 stop34h 15m

$1,084

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 22 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 September 12, 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 $938). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of $1,610). 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 September 17, 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.

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 September 17, 2025.
Get a feel of what it's like to fly with Korean Air, Qatar Airways, and United 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.
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Qatar Airways
7.4
Good
3,622 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,926 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air China
7.3
Good
101 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

    A quick flight from Washington, D.C. Dulles Intl Airport to Hong Kong can take about 23h 27m. United Airlines provides one of the quickest options available for as low as $1,077. Airlines will cover a distance of 8135 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $453, 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 Korean Air and Air China - these airlines can fly you to your destination from $693 and $722, respectively. These flights start at 62% 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 $938). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of $1,610). 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.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$453Average$898FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$693Average$1,201FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$722Average$917FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$909Average$1,017FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$974Average$1,173FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,072Average$1,130FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$1,081Average$1,421FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$1,087Average$1,364FlexibilityNo cancel feeOn-time69%

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