Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Hong Kong from $443

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Hong Kong departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Hong Kong

Cheap round-trip flights

Air China Logo
11:00 pm - 1:05 pmIAD-HKG
26h 05m1 stop
Air China Logo
10:30 am - 6:30 pmHKG-IAD
21h 00m1 stop
$795Air China
Find Deal
Tue, Oct 21 - Fri, Dec 26
Air China Logo
11:00 pm - 4:20 pmIAD-HKG
29h 20m1 stop
Air China Logo
10:30 am - 6:30 pmHKG-IAD
21h 00m1 stop
$806Air China
Find Deal
Tue, Sep 9 - Tue, Nov 11
Air Canada Logo
9:40 am - 4:35 amDCA-HKG
30h 55m2 stops
Air Canada Logo
6:00 pm - 3:51 pmHKG-DCA
33h 51m2 stops
$893Air Canada
Find Deal
Wed, Sep 3 - Wed, Sep 17
Air Canada Logo
9:45 am - 4:35 amIAD-HKG
30h 50m2 stops
Air Canada Logo
6:00 pm - 11:13 amHKG-IAD
29h 13m2 stops
$893Air Canada
Find Deal
Wed, Sep 3 - Wed, Sep 17
United Airlines Logo
6:30 am - 7:20 pmIAD-HKG
23h 50m1 stop
United Airlines Logo
2:20 pm - 9:10 amHKG-IAD
31h 50m1 stop
$1,177United Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 9
United Airlines Logo
8:30 am - 6:45 amIAD-HKG
33h 15m2 stops
United Airlines Logo
2:20 pm - 3:40 pmHKG-IAD
38h 20m1 stop
$1,182United Airlines
Find Deal
Wed, Dec 3 - Tue, Jan 20
Cathay Pacific Logo
7:17 pm - 4:35 amDCA-HKG
21h 18m1 stop
Cathay Pacific Logo
4:10 pm - 11:00 pmHKG-DCA
19h 50m1 stop
$1,194Cathay Pacific
Find Deal
Mon, Oct 6 - Thu, Nov 20
Cathay Pacific Logo
7:35 pm - 4:35 amDCA-HKG
21h 00m1 stop
Cathay Pacific Logo
4:10 pm - 11:00 pmHKG-DCA
19h 50m1 stop
$1,201Cathay Pacific
Find Deal
Tue, Sep 9 - Tue, Nov 11
Qatar Airways Logo
11:24 am - 9:45 pmBWI-HKG
46h 21m2 stops
Qatar Airways Logo
12:25 am - 9:37 pmHKG-BWI
34h 12m2 stops
$1,345Qatar Airways
Find Deal
Tue, Sep 9 - Mon, Nov 10
Qatar Airways Logo
11:24 am - 9:45 pmBWI-HKG
46h 21m2 stops
Qatar Airways Logo
1:25 am - 11:59 pmHKG-BWI
34h 34m2 stops
$1,403Qatar Airways
Find Deal
Wed, Sep 3 - Tue, Sep 16

Air China flights from Washington, D.C. to Hong Kong

Our best Air China deals on Washington, D.C. to Hong Kong flight tickets
Air China
Oct 21
IAD11:00 pmWashington, D.C. Dulles Intl
26h 05m
1 stop
HKG1:05 pmHong Kong Intl
Dec 26
HKG10:30 amHong Kong Intl
21h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Air China
Sep 9
IAD11:00 pmWashington, D.C. Dulles Intl
29h 20m
1 stop
HKG4:20 pmHong Kong Intl
Nov 11
HKG10:30 amHong Kong Intl
21h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Air China
Aug 29
IAD11:00 pmWashington, D.C. Dulles Intl
34h 05m
1 stop
HKG9:05 pmHong Kong Intl
Oct 31
HKG8:30 amHong Kong Intl
23h 00m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl

Air Canada flights from Washington, D.C. to Hong Kong

Our best Air Canada deals on Washington, D.C. to Hong Kong flight tickets
Air Canada
Sep 3
DCA9:40 amWashington, D.C. Reagan-National
30h 55m
2 stops
HKG4:35 amHong Kong Intl
Sep 17
HKG6:00 pmHong Kong Intl
33h 51m
2 stops
DCA3:51 pmWashington, D.C. Reagan-National
Air Canada
Nov 18
IAD5:50 pmWashington, D.C. Dulles Intl
35h 50m
2 stops
HKG6:40 pmHong Kong Intl
Dec 4
HKG10:00 amHong Kong Intl
24h 05m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
Air Canada
Sep 3
DCA9:40 amWashington, D.C. Reagan-National
30h 55m
2 stops
HKG4:35 amHong Kong Intl
Sep 10
HKG6:00 pmHong Kong Intl
26h 59m
2 stops
DCA8:59 amWashington, D.C. Reagan-National

See travel insights to Hong Kong from

How to get the cheapest flight ticket from Washington, D.C. to Hong Kong

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Hong Kong?

The month of February is, on average, the cheapest month to fly to Hong Kong from Washington, D.C., with most prices found around $965. The month of November is another great option to travel to Hong Kong, with average flight prices from Washington, D.C. averaging around $1,096.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from Washington, D.C. to Hong Kong is on a Wednesday. Travelers who choose to depart for Hong Kong on a Wednesday will often find tickets for as low as $1,316. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,570.

How far in advance should I book a flight to Hong Kong?

You are more likely to see cheaper flights to Hong Kong from Washington, D.C. when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $1,356 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Washington, D.C. for as low as $1,021 on momondo.

Can stopping save me money on Washington, D.C. to Hong Kong flights?

You could potentially save up to 27% on your flight if you consider stops on a Washington, D.C. to Hong Kong flight.

How have Washington, D.C. to Hong Kong flight prices changed over time?

As of June 2025, prices for Washington, D.C. to Hong Kong flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Hong Kong

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Hong Kong according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Hong Kong (WAS to HKG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Hong Kong

Best Price Found

$443

Fastest flight time

19h 25m

Direct flights

None

Airports in Hong Kong

1 airport
The best one-way flight to Hong Kong from Washington, D.C. in the past 72 hours is $443. The best round-trip flight deal from Washington, D.C. to Hong Kong found on momondo in the last 72 hours is $795.
The fastest flight from Washington, D.C. to Hong Kong takes 19h 25m
There are no direct flights from Washington, D.C. to Hong Kong. Popular non-direct routes for this connection are Baltimore/Washington Airport - Hong Kong Intl Airport, Washington, D.C. Dulles Intl Airport - Hong Kong Intl Airport and Washington, D.C. Reagan-National Airport - Hong Kong Intl Airport.
There is 1 airport near Hong Kong: Hong Kong Intl (HKG)

  • How far is Washington, D.C. to Hong Kong Intl by plane?

    The straight-line distance from Washington, D.C. to Hong Kong Intl is 8138.7 mi. A reasonable flight in good conditions will take 19h 25m.

  • When did momondo last update prices for flights from Washington, D.C. to Hong Kong Intl Airport?

    Prices for flights from Washington, D.C. to Hong Kong Intl Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. to Hong Kong Intl Airport?

  • How old do you have to be to fly from Washington, D.C. to Hong Kong Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Hong Kong Intl Airport.

  • What documentation or ID do you need to fly to Hong Kong Intl Airport?

    The required travel and health documents for your Hong Kong Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hong Kong Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. to Hong Kong?


Best airlines flying from Washington, D.C. to Hong Kong

Compare and see reviews for airlines that fly from Washington, D.C. to Hong Kong with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $610Free CancellationRating
7.2
92 reviews
Search Air China flights
Air CanadaPriceFrom $684Free CancellationRating
7.1
9,531 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $920Free CancellationRating
7.3
3,848 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $939Free CancellationRating
8.4
1,088 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $974Free CancellationRating
7.4
3,584 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $999Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
JetBluePriceFrom $1,072Free CancellationRating
7.3
2,925 reviews
Search JetBlue flights
Cathay PacificPriceFrom $1,230Free CancellationRating
7.5
892 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hong Kong?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Hong Kong for you.

Can I find flights from Washington, D.C. to Hong Kong with flexible booking policies on momondo?

momondo does allow users to show only those flights to Hong Kong from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Hong Kong?

Once you have performed a search for Washington, D.C. to Hong Kong flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Hong Kong right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Hong Kong from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/17
Tue 6/24

Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo