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HK$776+ 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 5-5. 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
2 mei. — 9 mei.1
1 adult
1 adult, Economy, 0 bags

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 2 april 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

ma 25-5

08:15-22:37

1 stop16h 22m

Calgary

vr 29-5

08:30-19:02

1 stop8h 32m

HK$2,304

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

ma 29-6

06:30-18:13

1 stop13h 43m

Calgary

vr 3-7

19:15-05:27

1 stop8h 12m

HK$3,441

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

za 6-6

06:08-20:30

2 stops16h 22m

Calgary

ma 15-6

06:45-18:13

1 stop9h 28m

HK$3,550

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

di 23-6

11:05-20:38

2 stops11h 33m

Calgary

di 30-6

06:45-18:13

1 stop9h 28m

HK$3,809

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

di 2-6

06:30-21:48

1 stop17h 18m

Calgary

di 9-6

15:22-06:42

2 stops13h 20m

HK$3,833

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

za 20-6

11:44-20:38

1 stop10h 54m

Calgary

do 25-6

06:45-18:13

1 stop9h 28m

HK$4,201

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

wo 16-9

12:00-20:44

1 stop10h 44m

Calgary

wo 23-9

06:35-17:58

1 stop9h 23m

HK$4,413

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

di 14-7

11:35-20:35

1 stop11h 00m

Calgary

di 11-8

06:35-22:59

2 stops14h 24m

HK$4,491

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

do 10-9

10:40-20:44

2 stops12h 04m

Calgary

ma 14-9

06:35-17:58

1 stop9h 23m

HK$4,742

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

za 6-6

11:30-22:33

2 stops13h 03m

Calgary

wo 10-6

12:00-15:21

2 stops25h 21m

HK$4,922

Flights are sorted by cheapest return flights first.

Deals found on 30-3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13 March 2026.

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$3,550). Flying from Washington, D.C. Dulles Intl Airport in December will prove the most costly (average of HK$8,190). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

If you’re flying from Washington, D.C. Dulles Intl Airport, these routes are more frequently taken by airlines London (332 flights per day), Chicago (296 flights per day) and Orlando (286 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$708
Doha Hamad Intl
Doha Hamad Intl
From HK$11,613
Orlando
Orlando
From HK$1,036
Reykjavik
Reykjavik
From HK$3,393

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

The cheapest city to fly to from Washington, D.C. Dulles Intl Airport is Miami, with prices starting at HK$621. Explore other affordable destinations below.

Miami
Miami
From HK$621
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$708
Orlando
Orlando
From HK$1,036
Bogotá El Dorado
Bogotá El Dorado
From HK$2,454

Browse thousands of different options on Cheapflights for your next trip

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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 2 april 2026.
Flights from Reagan-National

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 2 april 2026.

  • 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 Cairo, Atlanta, Bangkok Suvarnabhumi Airport. 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$621 to Miami (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$4,106 to fly from Washington, D.C. Dulles Intl Airport.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to anywhere?

    Over the past few days, we've found that Alaska Airlines, Frontier, and Avianca have the cheapest prices from Washington, D.C. Dulles Intl Airport. Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Kona Intl (HK$708), Frontier flights from Washington, D.C. Dulles Intl Airport to Orlando (HK$1,036), and Avianca flights from Washington, D.C. Dulles Intl Airport to San Salvador El Salvador Intl (HK$1,771).

  • 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$13,374
    Fly Washington, D.C. Dulles Intl to Seattle from HK$14,923

  • 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 December. 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$7,908 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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