HK$723+ Cheap flights from Washington, D.C. Dulles Intl Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14-12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — HKG
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Dulles Intl

Discover essential information about flights departing from Dulles Intl, including flight schedules, destinations, airlines operating at the Dulles Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 13 November 2025.

Good round-trip deal

HK$1,035 or less

Good one-way deal

HK$661 or less
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl.

Find flights from Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl
Explore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 13 November 2025.

Tue 2-1211:58IAD - YYC
1 stop10h 59mDelta
Tue 9-1212:41YYC - IAD
1 stop8h 48mDelta
Deal found 13-11HK$2,852
Wed 10-1211:58IAD - YYC
2 stops13h 15mDelta
Sun 14-1212:41YYC - IAD
1 stop8h 48mDelta
Deal found 13-11HK$2,930
Sat 17-108:00IAD - YYC
2 stops14h 56mDelta
Fri 23-106:30YYC - IAD
2 stops10h 03mDelta
Deal found 12-11HK$2,968
Wed 29-412:00IAD - YYC
1 stop10h 44mDelta
Wed 6-506:35YYC - IAD
1 stop9h 23mDelta
Deal found 12-11HK$3,108
Tue 3-214:15IAD - YYC
1 stop8h 41mDelta
Sat 7-206:30YYC - IAD
1 stop10h 26mDelta
Deal found 11-11HK$3,365
Thu 27-1106:03IAD - YYC
1 stop9h 50mDelta
Wed 10-1206:35YYC - IAD
1 stop9h 37mDelta
Deal found 12-11HK$3,373
Sat 10-108:00IAD - YYC
2 stops14h 56mDelta
Sat 17-106:30YYC - IAD
1 stop10h 26mDelta
Deal found 11-11HK$3,442
Sat 10-108:00IAD - YYC
2 stops14h 56mDelta
Wed 14-106:30YYC - IAD
2 stops12h 07mDelta
Deal found 11-11HK$3,481
Fri 9-116:11IAD - YYC
1 stop7h 42mUnited Airlines
Wed 14-112:37YYC - IAD
1 stop6h 40mUnited Airlines
Deal found 10-11HK$3,505
Sat 13-1218:39IAD - YYC
1 stop19h 47mUnited Airlines
Wed 24-1214:13YYC - IAD
1 stop7h 10mUnited Airlines
Deal found 11-11HK$3,512
Sat 9-512:00IAD - YYC
1 stop10h 44mDelta
Tue 12-506:35YYC - IAD
1 stop9h 23mDelta
Deal found 11-11HK$3,629
Sat 31-107:00IAD - YYC
1 stop15h 56mDelta
Sat 7-206:30YYC - IAD
1 stop10h 26mDelta
Deal found 11-11HK$3,637

Find flights from Dulles Intl within your budget

 
Find flights departing from Dulles Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 13 November 2025. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Hong Kong

Route

Departure

Return

Price

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 27-1

14:15-20:56

1 stop8h 41m

Calgary

Fri 30-1

06:30-18:33

2 stops10h 03m

HK$2,930

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 17-1

08:00-20:56

2 stops14h 56m

Calgary

Fri 23-1

06:30-18:33

2 stops10h 03m

HK$2,968

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 4-2

14:15-20:56

1 stop8h 41m

Calgary

Sun 8-2

06:30-18:56

1 stop10h 26m

HK$3,365

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 13-1

14:25-20:56

1 stop8h 31m

Calgary

Sat 17-1

06:30-18:56

1 stop10h 26m

HK$3,365

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 20-1

14:15-20:56

1 stop8h 41m

Calgary

Sat 24-1

06:30-18:56

1 stop10h 26m

HK$3,365

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 2-12

11:58-20:57

1 stop10h 59m

Calgary

Wed 10-12

06:35-18:12

1 stop9h 37m

HK$3,365

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 27-11

06:03-13:53

1 stop9h 50m

Calgary

Wed 10-12

06:35-18:12

1 stop9h 37m

HK$3,373

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 9-2

14:15-20:56

1 stop8h 41m

Calgary

Fri 13-2

06:30-23:11

2 stops14h 41m

HK$3,442

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 3-2

14:15-20:56

1 stop8h 41m

Calgary

Fri 6-2

06:30-23:06

2 stops14h 36m

HK$3,442

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 22-1

06:00-20:56

2 stops16h 56m

Calgary

Tue 27-1

12:40-23:48

1 stop9h 08m

HK$3,442

Flights are sorted by cheapest return flights first.

Deals found on 11-11

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Best time to book a flight from Dulles Intl

Have a flexible travel schedule? Discover the best time to fly from Dulles Intl with our price prediction graph.
Estimated return 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.

Travel insights for flights from Dulles Intl

Get recent, data-driven insights about flights from Dulles Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Hong Kong. Price data was last updated on 7 November 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of HK$3,520). Flying from Washington, D.C. Dulles Intl Airport in July will prove the most costly (average of HK$10,265). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Alternate flight departure points to Dulles Intl

Consider leaving from one of these other departure points that are located a short distance from Dulles Intl. Flight origins were last updated on 13 November 2025.

Related info for your journey

Access useful and relevant information related to your journey from Dulles Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 13 November 2025.
  • What are the most popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

    This month, the top selected destinations from Washington, D.C. Dulles Intl Airport are Mumbai, Ahmedabad, Atlanta. Throughout the year, Mumbai, Cairo, Ahmedabad are some of the top choices made by users flying from Washington, D.C. Dulles Intl Airport.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to anywhere?

    Users have flown out of Washington, D.C. Dulles Intl Airport for as low as HK$616 to Miami (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$3,525 to fly from Washington, D.C. Dulles Intl Airport.

  • What is the cheapest premium economy flight from Washington, D.C. Dulles Intl Airport?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Washington, D.C. Dulles Intl Airport.
    Fly Washington, D.C. Dulles Intl to Beijing Capital Airport from HK$13,260

  • What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport?

    Currently, the cheapest month for flights from Washington, D.C. Dulles Intl Airport is June. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Washington, D.C. Dulles Intl Airport?

    Check out the cheapest flights from Washington, D.C. Dulles Intl Airport to embark to:
    Fly from Washington, D.C. to Hong Kong from HK$6,411 round trip

  • How does Cheapflights help users find flights from Dulles Intl?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Dulles Intl with no change fees?

    Yes! Cheapflights helps users easily find flights from Dulles Intl with no change fees.

  • Can Cheapflights notify me if prices for flights from Dulles Intl become cheaper?

    Of course! You can now track prices for flights from Dulles Intl and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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How does Cheapflights help users find flights from Dulles Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Dulles Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Dulles Intl with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl become cheaper?

Of course! You can now track prices for flights from Dulles Intl and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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