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Cheap flights from Washington, D.C. to Hong Kong from $475

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Hong Kong

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. to Hong Kong.
11:00 pm - 1:05 pmIAD-HKG
26h 05m1 stop
12:55 pm - 7:30 pmHKG-IAD
42h 35m1 stop
$642Air China
Find Deal
Tue, Apr 22 - Mon, May 5
11:00 pm - 11:45 amIAD-HKG
24h 45m1 stop
10:30 am - 7:30 pmHKG-IAD
21h 00m1 stop
$766Air China
Find Deal
Sat, Apr 19 - Tue, May 6
10:14 pm - 4:05 pmIAD-HKG
53h 51m2 stops
9:30 am - 11:14 amHKG-IAD
37h 44m2 stops
$907Air Canada
Find Deal
Sun, Apr 20 - Wed, May 7
12:55 pm - 4:05 pmDCA-HKG
63h 10m2 stops
6:00 pm - 12:01 pmHKG-DCA
54h 01m2 stops
$914Air Canada
Find Deal
Mon, May 19 - Wed, Jun 4
10:15 pm - 6:55 pmIAD-HKG
32h 40m1 stop
2:45 pm - 10:05 amHKG-IAD
31h 20m1 stop
$1,176United Airlines
Find Deal
Sun, Apr 20 - Sun, May 11
4:00 pm - 5:40 amIAD-HKG
25h 40m2 stops
2:45 pm - 10:05 amHKG-IAD
31h 20m1 stop
$1,181United Airlines
Find Deal
Mon, Apr 28 - Mon, Jun 2
11:00 am - 9:55 pmIAD-HKG
22h 55m1 stop
6:05 pm - 3:55 pmHKG-IAD
34h 50m1 stop
$1,206Qatar Airways
Find Deal
Mon, Jul 14 - Tue, Dec 16
11:00 am - 9:55 pmIAD-HKG
22h 55m1 stop
12:25 am - 8:20 amHKG-IAD
44h 55m1 stop
$1,208Qatar Airways
Find Deal
Mon, Jul 14 - Mon, Dec 15
6:35 am - 7:05 pmDCA-HKG
24h 30m1 stop
9:05 am - 7:07 pmHKG-DCA
22h 02m1 stop
$1,248Cathay Pacific
Find Deal
Wed, Apr 30 - Wed, May 7
6:35 am - 7:05 pmDCA-HKG
24h 30m1 stop
9:05 am - 7:07 pmHKG-DCA
22h 02m1 stop
$1,262Cathay Pacific
Find Deal
Tue, Apr 22 - Tue, May 6

Cathay Pacific flights from Washington, D.C. to Hong Kong

Our best Cathay Pacific deals on Washington, D.C. to Hong Kong flight tickets
Cathay Pacific
Apr 30
DCA6:35 amWashington, D.C. Reagan-National
24h 30m
1 stop
HKG7:05 pmHong Kong Intl
May 7
HKG9:05 amHong Kong Intl
22h 02m
1 stop
DCA7:07 pmWashington, D.C. Reagan-National
Cathay Pacific
Apr 22
DCA6:35 amWashington, D.C. Reagan-National
24h 30m
1 stop
HKG7:05 pmHong Kong Intl
May 6
HKG9:05 amHong Kong Intl
22h 02m
1 stop
DCA7:07 pmWashington, D.C. Reagan-National
Cathay Pacific
Apr 27
DCA6:35 amWashington, D.C. Reagan-National
19h 20m
1 stop
HKG1:55 pmHong Kong Intl
May 8
HKG9:05 amHong Kong Intl
22h 02m
1 stop
DCA7:07 pmWashington, D.C. Reagan-National

Qatar Airways flights from Washington, D.C. to Hong Kong

Our best Qatar Airways deals on Washington, D.C. to Hong Kong flight tickets
Qatar Airways
Jul 14
IAD11:00 amWashington, D.C. Dulles Intl
22h 55m
1 stop
HKG9:55 pmHong Kong Intl
Dec 16
HKG6:05 pmHong Kong Intl
34h 50m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Qatar Airways
Jul 14
IAD11:00 amWashington, D.C. Dulles Intl
22h 55m
1 stop
HKG9:55 pmHong Kong Intl
Dec 15
HKG12:25 amHong Kong Intl
44h 55m
1 stop
IAD8:20 amWashington, D.C. Dulles Intl
Qatar Airways
Apr 30
IAD9:00 pmWashington, D.C. Dulles Intl
30h 10m
1 stop
HKG3:10 pmHong Kong Intl
May 6
HKG1:25 amHong Kong Intl
26h 15m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl

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 $995. The month of November is another great option to travel to Hong Kong, with average flight prices from Washington, D.C. averaging around $1,129.

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 $1,512 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.

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

As of March 2025, prices for Washington, D.C. to Hong Kong flights are approximately 21% 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

$475

Fastest flight time

19h 20m

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 $475. The best round-trip flight deal from Washington, D.C. to Hong Kong found on momondo in the last 72 hours is $642.
The fastest flight from Washington, D.C. to Hong Kong takes 19h 20m
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 20m.

  • 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 $626Free CancellationRating
7.1
82 reviews
Search Air China flights
Air CanadaPriceFrom $684Free CancellationRating
7.0
9,004 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $909Free CancellationRating
7.3
3,748 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $974Free CancellationRating
7.4
3,541 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $999Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
British AirwaysPriceFrom $1,043Free CancellationRating
6.6
6,713 reviews
Search British Airways flights
Korean AirPriceFrom $1,072Free CancellationRating
8.4
1,051 reviews
Search Korean Air flights
JetBluePriceFrom $1,072Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
Cathay PacificPriceFrom $1,230Free CancellationRating
7.5
841 reviews
Search Cathay Pacific flights
DeltaPriceFrom $1,429Free CancellationRating
8.0
7,899 reviews
Search Delta 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.


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