Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Dulles Intl?

Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Dulles Intl.

What is the cheapest airport to fly to in Dulles Intl?

Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost HK$1,431, while return flights cost around HK$2,861.

How much is a return flight to Dulles Intl?

A return flight to Dulles Intl will typically cost around HK$412, however they can be found for as little as HK$366.

Does Washington, D.C. Dulles Intl have rental cars?

Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Washington, D.C. Dulles Intl?

Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 km away from Washington, D.C. Dulles Intl).

How long is the flight to Dulles Intl?

On average, a flight from Hong Kong to Dulles Intl takes 19 hours 37 minutes. Flights to Dulles Intl from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

In terms of precipitation, rainfall in Dulles Intl ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Dulles Intl when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

HK$3,906+ Cheap Flights to Dulles Intl

Q: What are the most popular airlines that fly to Dulles Intl?

The most popular airlines flying from Hong Kong to Dulles Intl are United Airlines and Korean Air.

Flights to Dulles Intl in 2025

Return from	HK$5,860
One-way from	HK$3,906
Popular in	August
Cheapest in	February
Average price	HK$8,946

Air Canada
8-10-15-10
4 total stops
63h 50m total
Hong Kong to Washington, D.C.

Search Deals

23-9
2 total stops
23h 23m total
Hong Kong to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (HK$2,001 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease (HK$561 potential savings vs. average return price).

Search Deals

Average for return flights in August 2025

Search Deals

Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 25 August 2025.

Mon 22-918:00HKG - IAD

2 stops29h 13mAir Canada

Mon 29-917:22IAD - HKG

2 stops34h 43mAir Canada

Deal found 23-8HK$6,024

Tue 7-1018:00HKG - IAD

2 stops34h 18mAir Canada

Tue 14-1017:22IAD - HKG

2 stops34h 43mAir Canada

Deal found 23-8HK$6,032

Fri 14-1120:25HKG - IAD

2 stops37h 34mAir Canada

Wed 19-1109:45IAD - HKG

2 stops43h 55mAir Canada

Deal found 24-8HK$6,094

Wed 8-1011:15HKG - IAD

1 stop19h 37mUnited Airlines

Wed 15-1018:58IAD - HKG

1 stop22h 02mUnited Airlines

Deal found 24-8HK$6,579

Mon 22-909:15HKG - IAD

2 stops25h 24mUnited Airlines

Mon 29-922:14IAD - HKG

1 stop30h 31mUnited Airlines

Deal found 23-8HK$7,000

Wed 1-1018:00HKG - IAD

2 stops34h 18mAir Canada

Tue 7-1017:22IAD - HKG

2 stops34h 43mAir Canada

Deal found 23-8HK$7,250

Tue 7-1010:30HKG - IAD

1 stop37h 15mTurkish Airlines

Tue 14-1013:30IAD - HKG

1 stop31h 20mTurkish Airlines

Deal found 23-8HK$7,266

Wed 24-1220:25HKG - IAD

2 stops38h 00mAir Canada

Sun 14-617:20IAD - HKG

1 stop34h 45mAir Canada

Deal found 25-8HK$7,274

Tue 23-1220:25HKG - IAD

2 stops32h 29mAir Canada

Tue 16-617:20IAD - HKG

1 stop34h 45mAir Canada

Deal found 24-8HK$7,329

Best flights to Dulles Intl Airport
Discover carefully curated flight deals to Dulles Intl Airport that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2025.

Mon 22-918:00HKG - IAD

2 stops29h 13mAir Canada

Mon 29-917:22IAD - HKG

2 stops34h 43mAir Canada

Deal found 23-8HK$6,024

Wed 8-1011:15HKG - IAD

1 stop19h 37mUnited Airlines

Wed 15-1018:58IAD - HKG

1 stop22h 02mUnited Airlines

Deal found 24-8HK$6,579

Tue 7-1018:00HKG - IAD

2 stops34h 18mAir Canada

Tue 14-1017:22IAD - HKG

2 stops34h 43mAir Canada

Deal found 23-8HK$6,032

Fri 14-1120:25HKG - IAD

2 stops37h 34mAir Canada

Wed 19-1109:45IAD - HKG

2 stops43h 55mAir Canada

Deal found 24-8HK$6,094

Wed 1-1011:15HKG - IAD

2 stops23h 13mUnited Airlines

Tue 7-1018:58IAD - HKG

1 stop35h 57mUnited Airlines

Deal found 23-8HK$7,000

Fri 14-1122:45HKG - IAD

2 stops21h 35mUnited Airlines

Wed 19-1117:59IAD - HKG

1 stop36h 16mUnited Airlines

Deal found 24-8HK$7,000

Mon 22-918:55HKG - IAD

2 stops24h 24mUnited Airlines

Mon 29-908:30IAD - HKG

1 stop32h 30mUnited Airlines

Deal found 23-8HK$7,000

Wed 8-1018:00HKG - IAD

2 stops39h 05mAir Canada

Wed 15-1014:25IAD - HKG

2 stops37h 40mAir Canada

Deal found 24-8HK$7,000

Tue 7-1009:15HKG - IAD

2 stops25h 13mUnited Airlines

Tue 14-1017:42IAD - HKG

1 stop23h 58mUnited Airlines

Deal found 23-8HK$7,000

Last-minute flights to Dulles Intl Airport
Discover last-minute flight deals to Dulles Intl Airport. Data last updated 25 August 2025 and is based on user searches.

Mon 8-909:15HKG - IAD

1 stop33h 33mMultiple Airlines

Mon 22-912:15IAD - HKG

1 stop22h 30mMultiple Airlines

Deal found 23-8HK$8,352

Sun 21-900:45HKG - IAD

2 stops32h 54mDelta

Mon 29-917:25IAD - HKG

2 stops29h 15mDelta

Deal found 23-8HK$7,641

Sun 21-902:35HKG - IAD

2 stops40h 58mMultiple Airlines

Mon 29-917:40IAD - HKG

1 stop22h 55mMultiple Airlines

Deal found 23-8HK$8,883

Sun 21-901:25HKG - IAD

1 stop26h 15mQatar Airways

Mon 29-921:00IAD - HKG

1 stop36h 45mQatar Airways

Deal found 23-8HK$9,368

Mon 22-918:00HKG - IAD

2 stops29h 13mAir Canada

Mon 29-917:22IAD - HKG

2 stops34h 43mAir Canada

Deal found 23-8HK$6,024

Mon 22-909:15HKG - IAD

2 stops25h 24mUnited Airlines

Mon 29-922:14IAD - HKG

1 stop30h 31mUnited Airlines

Deal found 23-8HK$7,000

Mon 22-914:35HKG - IAD

1 stop31h 30mANA

Mon 29-912:25IAD - HKG

1 stop36h 05mANA

Deal found 23-8HK$9,891

Tue 30-901:25HKG - IAD

1 stop26h 15mJetBlue

Tue 7-1021:00IAD - HKG

1 stop36h 45mJetBlue

Deal found 23-8HK$8,665

One-way flights to Dulles Intl Airport
Search for one-way flight options to Dulles Intl Airport. Find affordable one-way fares based on user searches. Data last updated 25 August 2025.

Tue 23-920:10HKG - IAD

2 stops23h 23mMultiple Airlines

Deal found 25-8HK$3,906

Tue 16-915:30HKG - IAD

2 stops40h 15mIndiGo

Deal found 23-8HK$3,938

Wed 17-915:30HKG - IAD

2 stops40h 15mIndiGo

Deal found 23-8HK$4,000

Tue 9-902:35HKG - IAD

2 stops33h 48mMultiple Airlines

Deal found 24-8HK$4,063

Fri 12-923:00HKG - IAD

3 stops36h 55mMultiple Airlines

Deal found 23-8HK$4,125

Fri 19-913:40HKG - IAD

3 stops34h 22mMultiple Airlines

Deal found 25-8HK$4,196

Thu 11-915:30HKG - IAD

2 stops40h 15mIndiGo

Deal found 23-8HK$4,258

Wed 17-901:15HKG - IAD

3 stops35h 00mMultiple Airlines

Deal found 22-8HK$4,266

Fri 12-918:00HKG - IAD

1 stop24h 31mAir Canada

Deal found 23-8HK$4,274

Mon 24-1117:35HKG - IAD

2 stops25h 43mMultiple Airlines

Deal found 24-8HK$4,297

Sun 14-918:00HKG - IAD

2 stops27h 38mAir Canada

Deal found 23-8HK$4,336

Fly from

Route

Departure

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 22-9

18:00-11:13

2 stops29h 13m

Washington, D.C. Dulles Intl

Mon 29-9

17:22-16:05

2 stops34h 43m

HK$6,024

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 7-10

18:00-16:18

2 stops34h 18m

Washington, D.C. Dulles Intl

Tue 14-10

17:22-16:05

2 stops34h 43m

HK$6,032

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 14-11

20:25-20:59

2 stops37h 34m

Washington, D.C. Dulles Intl

Wed 19-11

09:45-18:40

2 stops43h 55m

HK$6,094

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 8-10

11:15-18:52

1 stop19h 37m

Washington, D.C. Dulles Intl

Wed 15-10

18:58-05:00

1 stop22h 02m

HK$6,579

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-10

11:15-22:28

2 stops23h 13m

Washington, D.C. Dulles Intl

Tue 7-10

18:58-18:55

1 stop35h 57m

HK$7,000

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 14-11

22:45-07:20

2 stops21h 35m

Washington, D.C. Dulles Intl

Wed 19-11

17:59-19:15

1 stop36h 16m

HK$7,000

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 22-9

18:55-07:19

2 stops24h 24m

Washington, D.C. Dulles Intl

Mon 29-9

08:30-05:00

1 stop32h 30m

HK$7,000

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 8-10

18:00-21:05

2 stops39h 05m

Washington, D.C. Dulles Intl

Wed 15-10

14:25-16:05

2 stops37h 40m

HK$7,000

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 7-10

09:15-22:28

2 stops25h 13m

Washington, D.C. Dulles Intl

Tue 14-10

17:42-05:40

1 stop23h 58m

HK$7,000

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 23-9

20:10-07:33

2 stops23h 23m

HK$3,906

Flights are sorted by cheapest return flights first.

Deals found on 25-8

Showing 1-10 of 18 results

Best time to book a flight to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

Airlines

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from Hong Kong to Dulles Intl are United Airlines and Korean Air.

Reviews of airlines servicing Dulles Intl

Check out reviews from past customers who have flown Korean Air and United Airlines to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very Good

1,133 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Korean Air

8.4

Very Good

1,133 reviews

Korean Air

8.4

Very Good

1,133 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

8,940 reviews

Korean Air

8.4

Very Good

1,133 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

FAQs about flying to Dulles Intl

Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Dulles Intl?
Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Dulles Intl.
What is the cheapest airport to fly to in Dulles Intl?
Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost HK$1,431, while return flights cost around HK$2,861.
How much is a return flight to Dulles Intl?
A return flight to Dulles Intl will typically cost around HK$412, however they can be found for as little as HK$366.
Does Washington, D.C. Dulles Intl have rental cars?
Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Washington, D.C. Dulles Intl?
Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 km away from Washington, D.C. Dulles Intl).

See more FAQs

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Cheapflights helps you search for flights to Dulles Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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

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

Yes, we can. To see specific flights to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights to Dulles Intl on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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HK$3,906+ Cheap flights to Dulles Intl

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 23-9. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Dulles Intl in 2025

Find the latest flights to Dulles Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 25 August 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl AirportExplore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 25 August 2025.

Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 25 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight to Dulles Intl

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

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

What are the cheapest airlines that fly to Dulles Intl?

Rainfall in Dulles Intl by month

Temperature in Dulles Intl by month

How long is the flight to Dulles Intl?

Reviews of airlines servicing Dulles Intl

Check out reviews from past customers who have flown Korean Air and United Airlines to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Dulles Intl

Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

What is the best airline to fly to Dulles Intl?

What is the cheapest airport to fly to in Dulles Intl?

How much is a return flight to Dulles Intl?

Does Washington, D.C. Dulles Intl have rental cars?

Are there hotels close to Washington, D.C. Dulles Intl?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Dulles Intl by cabin class

Find flights to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 to Dulles Intl?

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

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

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

100% Free

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Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 25 August 2025.