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$1,424, while return flights cost around HK$1,870.

How much is a return flight to Dulles Intl?

A return flight to Dulles Intl will typically cost around HK$1,976, however they can be found for as little as HK$1,870.

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).

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

The most popular airline flying from Hong Kong to Dulles Intl is United Airlines.

How long is the flight to Dulles Intl?

On average, a flight from Hong Kong to Dulles Intl takes 24 hours 33 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$3,397+ Cheap Flights to Dulles Intl

Flights to Dulles Intl in 2025

Return from	HK$7,182
One-way from	HK$3,397
Popular in	November
Cheapest in	December
Average price	HK$10,120

United Airlines
20-2-24-2
4 total stops
52h 42m total
Hong Kong to Washington, D.C.

Search Deals

25-1
3 total stops
46h 18m total
Hong Kong to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (HK$182 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (HK$177 potential savings vs. average return price).

Search Deals

Average for return flights in November 2025

Search Deals

Find flight deals to Dulles Intl Airport

Enter your travel dates to find the best prices.

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 17 November 2025.

So 23-1111:25HKG - IAD

2 stops24h 33mUnited Airlines

Do 27-1106:48IAD - HKG

1 stop23h 27mUnited Airlines

Deal found 15-11HK$7,283

Fr 5-1200:25HKG - IAD

1 stop28h 30mJetBlue

So 4-110:40IAD - HKG

1 stop22h 00mJetBlue

Deal found 16-11HK$8,425

Sa 22-1100:25HKG - IAD

1 stop28h 30mQatar Airways

Do 27-1120:05IAD - HKG

1 stop29h 45mQatar Airways

Deal found 15-11HK$8,542

Di 30-1223:20HKG - IAD

1 stop25h 25mTurkish Airlines

Di 6-121:15IAD - HKG

1 stop22h 05mTurkish Airlines

Deal found 15-11HK$8,868

Sa 6-1211:25HKG - IAD

2 stops24h 50mUnited Airlines

So 4-106:30IAD - HKG

1 stop23h 50mUnited Airlines

Deal found 15-11HK$9,078

So 23-1120:25HKG - IAD

2 stops51h 58mAir Canada

Do 27-1117:50IAD - HKG

2 stops35h 50mAir Canada

Deal found 15-11HK$9,234

Sa 6-1211:25HKG - IAD

1 stop20h 29mUnited Airlines

Fr 2-122:05IAD - HKG

1 stop43h 40mUnited Airlines

Deal found 16-11HK$9,249

Fr 5-1200:55HKG - IAD

2 stops35h 32mDelta

So 4-107:05IAD - HKG

2 stops39h 15mDelta

Deal found 16-11HK$9,801

Fr 5-1200:25HKG - IAD

1 stop28h 30mJetBlue

Fr 2-110:40IAD - HKG

1 stop22h 00mJetBlue

Deal found 15-11HK$9,871

Sa 6-1220:25HKG - IAD

2 stops37h 57mAir Canada

So 4-109:45IAD - HKG

2 stops43h 55mAir Canada

Deal found 15-11HK$10,073

Di 30-1210:00HKG - IAD

1 stop38h 45mMultiple Airlines

Di 6-109:45IAD - HKG

2 stops43h 55mMultiple Airlines

Deal found 15-11HK$10,213

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 17 November 2025.

Fr 5-1200:25HKG - IAD

1 stop28h 30mJetBlue

So 4-110:40IAD - HKG

1 stop22h 00mJetBlue

Deal found 15-11HK$8,425

Di 13-120:25HKG - IAD

2 stops28h 24mAir Canada

So 26-409:00IAD - HKG

2 stops43h 05mAir Canada

Deal found 16-11HK$8,456

Mo 12-100:25HKG - IAD

1 stop44h 55mQatar Airways

So 26-411:00IAD - HKG

1 stop22h 55mQatar Airways

Deal found 16-11HK$8,557

Mi 18-222:45HKG - IAD

1 stop21h 30mUnited Airlines

So 22-218:05IAD - HKG

1 stop23h 40mUnited Airlines

Deal found 15-11HK$8,969

Di 17-200:55HKG - IAD

1 stop21h 55mKorean Air

So 22-211:50IAD - HKG

1 stop34h 30mKorean Air

Deal found 15-11HK$8,977

Di 17-200:55HKG - IAD

2 stops49h 40mDelta

So 22-206:00IAD - HKG

2 stops28h 10mDelta

Deal found 16-11HK$9,008

Sa 6-1211:25HKG - IAD

2 stops24h 50mUnited Airlines

So 4-106:30IAD - HKG

1 stop23h 50mUnited Airlines

Deal found 15-11HK$9,078

Last-minute flights to Dulles Intl Airport
Discover last-minute flight deals to Dulles Intl Airport. Data last updated 17 November 2025 and is based on user searches.

Sa 22-1100:25HKG - IAD

1 stop28h 30mQatar Airways

Do 27-1120:05IAD - HKG

1 stop29h 45mQatar Airways

Deal found 15-11HK$8,542

Sa 22-1100:55HKG - IAD

2 stops36h 30mDelta

Do 27-1119:49IAD - HKG

2 stops38h 21mDelta

Deal found 15-11HK$11,045

So 23-1111:25HKG - IAD

2 stops24h 33mUnited Airlines

Do 27-1106:48IAD - HKG

1 stop23h 27mUnited Airlines

Deal found 15-11HK$7,283

So 23-1120:25HKG - IAD

2 stops51h 58mAir Canada

Do 27-1117:50IAD - HKG

2 stops35h 50mAir Canada

Deal found 15-11HK$9,234

So 23-1123:55HKG - IAD

2 stops32h 10mEthiopian Air

Do 27-1117:33IAD - HKG

3 stops31h 52mEthiopian Air

Deal found 15-11HK$16,532

So 23-1118:50HKG - IAD

3 stops37h 18mMultiple Airlines

Do 27-1119:49IAD - HKG

3 stops51h 36mMultiple Airlines

Deal found 15-11HK$34,665

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 17 November 2025.

So 25-107:10HKG - IAD

3 stops46h 18mMultiple Airlines

Deal found 16-11HK$3,397

Fr 12-1208:30HKG - IAD

3 stops34h 36mMultiple Airlines

Deal found 16-11HK$4,026

Sa 22-1122:45HKG - IAD

3 stops56h 01mMultiple Airlines

Deal found 15-11HK$4,096

Mo 8-1222:45HKG - IAD

3 stops52h 44mMultiple Airlines

Deal found 16-11HK$4,104

Do 15-114:55HKG - IAD

3 stops57h 12mMultiple Airlines

Deal found 16-11HK$4,119

Sa 24-120:20HKG - IAD

3 stops50h 35mMultiple Airlines

Deal found 16-11HK$4,150

Mo 1-1220:15HKG - IAD

1 stop35h 15mAir China

Deal found 17-11HK$4,189

Mo 1-1222:45HKG - IAD

3 stops52h 44mMultiple Airlines

Deal found 17-11HK$4,197

Mo 26-120:55HKG - IAD

2 stops56h 31mMultiple Airlines

Deal found 16-11HK$4,267

Fly from

Route

Departure

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fr 5-12

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

So 4-1

10:40-21:40

1 stop22h 00m

HK$8,425

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Di 13-1

20:25-11:49

2 stops28h 24m

Washington, D.C. Dulles Intl

So 26-4

09:00-16:05

2 stops43h 05m

HK$8,456

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mo 12-1

00:25-08:20

1 stop44h 55m

Washington, D.C. Dulles Intl

So 26-4

11:00-21:55

1 stop22h 55m

HK$8,557

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mi 18-2

22:45-07:15

1 stop21h 30m

Washington, D.C. Dulles Intl

So 22-2

18:05-06:45

1 stop23h 40m

HK$8,969

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Di 17-2

00:55-09:50

1 stop21h 55m

Washington, D.C. Dulles Intl

So 22-2

11:50-11:20

1 stop34h 30m

HK$8,977

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Di 17-2

00:55-13:35

2 stops49h 40m

Washington, D.C. Dulles Intl

So 22-2

06:00-23:10

2 stops28h 10m

HK$9,008

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sa 6-12

11:25-23:15

2 stops24h 50m

Washington, D.C. Dulles Intl

So 4-1

06:30-19:20

1 stop23h 50m

HK$9,078

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mo 8-12

22:45-14:29

3 stops52h 44m

HK$4,104

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sa 22-11

22:45-17:46

3 stops56h 01m

HK$4,127

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sa 24-1

20:20-09:55

3 stops50h 35m

HK$4,150

Flights are sorted by cheapest return flights first.

Deals found on 16-11

Showing 1-10 of 17 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 airline flying from Hong Kong to Dulles Intl is United Airlines.

Reviews of airlines servicing Dulles Intl

Check out reviews from past customers who have flown 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.

United Airlines

7.4

Good

9,013 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,013 reviews

United Airlines

7.4

Good

9,013 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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$1,424, while return flights cost around HK$1,870.
How much is a return flight to Dulles Intl?
A return flight to Dulles Intl will typically cost around HK$1,976, however they can be found for as little as HK$1,870.
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$3,397+ 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 25-1. 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 17 November 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 17 November 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 17 November 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 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?

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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 17 November 2025.