Hong Kong

$419+ Cheap flights from Washington, D.C. (WAS) 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HKG
Oct 19 — Oct 261
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Cheapflights Tip: The best prices from Washington, D.C. to Hong Kong Intl are usually found in February or September, booked 67 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 19, 2025.

Round-trip from

$826
(Air Canada)

One-way from

$419
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,052
From Washington, D.C. (WAS) to Hong Kong Intl
One-way flight from Washington, D.C. (WAS) to Hong Kong Intl
Highest demand for flights based on searches. 6% potential increase in price ($84 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Washington, D.C. to Hong Kong

Cheapest flights from Washington, D.C. to Hong Kong
Explore the most affordable flight options available from Washington, D.C. to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Air Canada deal was found by Cheapflights users on 9/17. 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 9/17$832
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 11/184:10 pmDCA - HKG
2 stops61h 30mAir Canada
Mon 2/168:25 pmHKG - DCA
2 stops56h 06mAir Canada
Deal found 9/16$836
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.
Sat 11/228:40 pmDCA - HKG
2 stops57h 00mAir Canada
Mon 2/168:25 pmHKG - DCA
2 stops38h 31mAir Canada
Deal found 9/16$842
This Air Canada deal was found by Cheapflights users on 9/18. 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.
Wed 11/129:45 amIAD - HKG
2 stops23h 35mMultiple Airlines
Tue 11/188:25 pmHKG - IAD
2 stops37h 29mMultiple Airlines
Deal found 9/18$844
This Air Canada deal was found by Cheapflights users on 9/17. 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.
Wed 11/126:00 amDCA - HKG
2 stops31h 00mMultiple Airlines
Tue 12/210:00 amHKG - DCA
2 stops37h 26mMultiple Airlines
Deal found 9/17$848
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amDCA - HKG
2 stops31h 00mMultiple Airlines
Tue 11/258:25 pmHKG - DCA
2 stops38h 31mMultiple Airlines
Deal found 9/16$849
This Air Canada deal was found by Cheapflights users on 9/17. 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 12/19:00 amIAD - HKG
2 stops28h 00mMultiple Airlines
Wed 12/248:25 pmHKG - IAD
2 stops37h 34mMultiple Airlines
Deal found 9/17$850
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.
Wed 9/178:40 pmDCA - HKG
2 stops38h 05mAir Canada
Tue 9/236:00 pmHKG - DCA
2 stops36h 04mAir Canada
Deal found 9/16$852
This Air Canada deal was found by Cheapflights users on 9/18. 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 11/136:59 amDCA - HKG
2 stops26h 51mAir Canada
Wed 1/148:25 pmHKG - DCA
2 stops38h 31mAir Canada
Deal found 9/18$855
This Air Canada deal was found by Cheapflights users on 9/18. 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.
Wed 11/124:25 pmIAD - HKG
2 stops41h 25mAir Canada
Thu 1/158:25 pmHKG - IAD
2 stops37h 34mAir Canada
Deal found 9/18$855
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:35 amBWI - HKG
2 stops27h 25mMultiple Airlines
Wed 11/52:00 amHKG - BWI
2 stops30h 19mMultiple Airlines
Deal found 9/18$863
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:20 pmIAD - HKG
2 stops46h 20mMultiple Airlines
Tue 11/258:25 pmHKG - IAD
2 stops37h 29mMultiple Airlines
Deal found 9/16$872

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 19, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Hong Kong that are best for you.

Fly from

Washington, D.C.

Fly to

Hong Kong

Route

Depart

Return

Price

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sat 10/18

6:25 am-9:15 am

2 stops38h 50m

Hong Kong Intl

Tue 10/28

8:05 pm-6:23 am

2 stops22h 18m

$1,054

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Wed 10/29

7:00 am-7:20 pm

1 stop24h 20m

Hong Kong Intl

Tue 12/2

10:35 am-4:49 pm

1 stop19h 14m

$1,058

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Thu 11/13

2:51 pm-7:00 am

2 stops27h 09m

Hong Kong Intl

Thu 1/15

10:45 pm-1:49 pm

2 stops28h 04m

$1,058

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Wed 10/15

7:00 am-6:55 pm

1 stop23h 55m

Hong Kong Intl

Thu 10/23

11:15 am-9:51 pm

1 stop22h 36m

$1,058

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Tue 11/4

4:17 pm-7:00 am

2 stops25h 43m

Hong Kong Intl

Tue 11/25

10:35 am-4:52 pm

1 stop19h 17m

$1,058

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Tue 11/18

12:00 pm-7:00 am

2 stops30h 00m

Hong Kong Intl

Mon 2/16

10:35 am-4:43 pm

1 stop19h 08m

$1,058

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Mon 11/10

3:30 pm-6:45 am

2 stops26h 15m

Hong Kong Intl

Tue 11/25

10:35 am-4:52 pm

1 stop19h 17m

$1,058

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Tue 11/11

3:30 pm-6:45 am

2 stops26h 15m

Hong Kong Intl

Tue 11/25

10:35 am-4:52 pm

1 stop19h 17m

$1,058

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 11/4

3:59 pm-6:45 am

2 stops25h 46m

Hong Kong Intl

Tue 11/25

10:30 pm-5:27 am

1 stop19h 57m

$1,058

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 10/1

7:00 am-4:45 pm

1 stop21h 45m

Hong Kong Intl

Mon 11/24

10:35 am-4:27 pm

1 stop18h 52m

$1,058

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

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Best time to book a flight from Washington, D.C. to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Washington, D.C. 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. to Hong Kong

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Hong Kong. Price data was last updated on September 12, 2025.

The best time to book flights from Washington, D.C. to Hong Kong is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Hong Kong (average of $938). Flying from Washington, D.C. 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 WAS to HKG?

Find hourly flight availability from Washington, D.C. 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 19, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Hong Kong is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.

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

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

Travelers seeking maximum savings on their Washington, D.C. to Hong Kong flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday 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. to Hong Kong?

Share of 1-stop round-trip flights from Washington, D.C. 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 33% of 1-stop itineraries from Washington, D.C. to Hong Kong on Cheapflights.

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

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

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $1,024.

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

Shortest average travel time for 1-stop one-way flights from Washington, D.C. 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. to Hong Kong?

Average layover duration for 1-stop one-way flights from Washington, D.C. 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 September 19, 2025.
See what other customers who have flown with Korean Air, Cathay Pacific, and Qatar Airways from Washington, D.C. to Hong Kong have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Entertainment

8.2

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.

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Entertainment

8.2

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.

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Entertainment

8.2

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.

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Entertainment

8.2

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.

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Entertainment

8.2

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.

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Entertainment

8.2

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 Washington, D.C. 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.?

    Located just 16.2 mi from the city center, Hong Kong Intl is the airport most travelers will use when flying to Hong Kong from Washington, D.C.. Booking flights from Washington, D.C. to Hong Kong Intl (HKG) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 8 different airlines.

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

    Departing from Washington, D.C. to Hong Kong will take you 24h 20m. The distance from Washington, D.C. to Hong Kong is about 8146 mi.

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

    Air Canada, at $453, was found to be the cheapest airline from Washington, D.C. to Hong Kong.Alternate airlines to your destination round-trip include Korean Air and Air China. Air Canada is priced at 63% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Washington, D.C. to Hong Kong?

  • Where are the most common layover locations when flying from Washington, D.C. to Hong Kong?

  • What are some popular things to do or see while on a layover in New York?

    Times Square, New York City Center, and Madison Square Garden are the most popular attractions in New York if you're in need of something to do during your layover. Times Square, New York City Center, and Madison Square Garden can be accessed by traveling approximately 13.6 mi, 13.6 mi, and 13.6 mi, respectively from New York John F Kennedy Intl. Those looking to explore during their layover in New York can rent a car from New York John F Kennedy Intl for about $72 per day.

  • What are some popular points of interest to see during a layover in San Francisco?

    If you're on a layover in San Francisco and looking for things to do, consider visiting Fisherman's Wharf, Union Square, or Bill Graham Civic Auditorium. Travelers on a layover in San Francisco can visit Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium, by traveling 13.0 mi, 11.6 mi, and 11.1 mi, respectively after landing at San Francisco. Those on a layover in San Francisco in need of a rental car can book one at San Francisco for about $56.

  • Where are the least popular layover locations for Washington, D.C. to Hong Kong flights?

  • Can I find deals for flights from Washington, D.C. to Hong Kong that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Hong Kong?

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

  • Can I find deals for business class flights from Washington, D.C. to Hong Kong?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Hong Kong?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Hong Kong (average of $938). Flying from Washington, D.C. 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Washington, D.C. to Hong Kong

Discover the top 8 airlines that operate flights from Washington, D.C. 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 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$453Average$847FlexibilityNo 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%
United AirlinesCheapest$1,021Average$1,339FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$1,072Average$1,130FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$1,081Average$1,542FlexibilityNo cancel feeOn-time72%

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