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HK$4,459+ 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 4-12. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
17 Jul — 24 Jul1
1 adult

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 12 July 2025.

Return from

HK$6,861

One-way from

HK$4,459

Popular in

August

Cheapest in

February

Average price

HK$10,087
1-9-14-9
  • 1-9-14-9
  • 5 total stops
  • 58h 42m total
  • Hong Kong to Washington, D.C.
Search Deals
4-12
  • 4-12
  • 2 total stops
  • 33h 30m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (HK$8,330 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,506 potential savings vs. average return price).
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Average for return flights in July 2025
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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 12 July 2025.

Thu 25-1210:00HKG - IAD
1 stop46h 15mTurkish Airlines
Sat 3-121:10IAD - HKG
1 stop30h 55mTurkish Airlines
Deal found 11-7HK$7,245
Thu 25-1214:20HKG - IAD
1 stop31h 50mANA
Sat 3-113:05IAD - HKG
2 stops34h 50mANA
Deal found 11-7HK$7,449
Mon 1-918:00HKG - IAD
2 stops27h 38mAir Canada
Sun 14-917:37IAD - HKG
2 stops34h 28mAir Canada
Deal found 10-7HK$7,622
Thu 25-1212:35HKG - IAD
2 stops33h 38mDelta
Sat 3-107:00IAD - HKG
2 stops27h 10mDelta
Deal found 11-7HK$7,842
Thu 14-809:15HKG - IAD
1 stop23h 40mUnited Airlines
Tue 2-908:35IAD - HKG
1 stop22h 20mUnited Airlines
Deal found 10-7HK$8,117
Wed 24-1200:25HKG - IAD
1 stop28h 30mMultiple Airlines
Sat 3-120:05IAD - HKG
1 stop29h 45mMultiple Airlines
Deal found 11-7HK$8,407
Wed 30-701:25HKG - IAD
1 stop26h 15mJetBlue
Sat 20-921:00IAD - HKG
1 stop30h 10mJetBlue
Deal found 10-7HK$8,784
Tue 15-719:40HKG - IAD
1 stop25h 00mQatar Airways
Wed 6-811:00IAD - HKG
1 stop22h 45mQatar Airways
Deal found 10-7HK$9,074
Wed 23-700:45HKG - IAD
1 stop22h 30mKorean Air
Thu 24-713:30IAD - HKG
1 stop21h 00mKorean Air
Deal found 10-7HK$9,223

Cheapflights Fare Finder

Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 12 July 2025.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 25-12

10:00-19:15

1 stop46h 15m

Washington, D.C. Dulles Intl

Sat 3-1

21:10-17:05

1 stop30h 55m

HK$7,245

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 25-12

14:20-09:10

1 stop31h 50m

Washington, D.C. Dulles Intl

Sat 3-1

13:05-12:55

2 stops34h 50m

HK$7,449

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 1-9

18:00-09:38

2 stops27h 38m

Washington, D.C. Dulles Intl

Sun 14-9

17:37-16:05

2 stops34h 28m

HK$7,622

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 25-12

12:35-09:13

2 stops33h 38m

Washington, D.C. Dulles Intl

Sat 3-1

07:00-23:10

2 stops27h 10m

HK$7,842

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 14-8

18:55-05:24

2 stops22h 29m

Washington, D.C. Dulles Intl

Tue 2-9

07:00-18:55

2 stops23h 55m

HK$8,117

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 24-12

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Sat 3-1

20:05-14:50

1 stop29h 45m

HK$8,407

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 30-7

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Sat 20-9

21:00-15:10

1 stop30h 10m

HK$8,784

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 23-7

00:45-11:15

1 stop22h 30m

Washington, D.C. Dulles Intl

Thu 24-7

13:30-22:30

1 stop21h 00m

HK$9,223

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 23-7

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Sun 27-7

11:00-21:45

1 stop22h 45m

HK$9,820

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 4-12

09:25-05:55

2 stops33h 30m

HK$4,459

Flights are sorted by cheapest return flights first.

Deals found on 11-7

Showing 1-10 of 20 results
1
2

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

How long is the flight to Dulles Intl?

On average, a flight from Hong Kong to Dulles Intl takes 22 hours 6 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.

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.

United Airlines
United Airlines
From HK$895
Korean Air
Korean Air
From HK$1,040

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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 12 July 2025.
Check out reviews from past customers who have flown ANA, Korean Air, andDelta 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.
ANA
8.4
Very Good
900 reviews
Check prices

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
ANA
8.4
Very Good
900 reviews
ANA
8.4
Very Good
900 reviews
Check prices

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
Korean Air
8.4
Very Good
1,105 reviews
ANA
8.4
Very Good
900 reviews
Check prices

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
Delta
8.0
Very Good
7,951 reviews
ANA
8.4
Very Good
900 reviews
Check prices

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
Qatar Airways
7.4
Good
3,599 reviews
ANA
8.4
Very Good
900 reviews
Check prices

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
United Airlines
7.4
Good
8,848 reviews
ANA
8.4
Very Good
900 reviews
Check prices

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.

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$1,438, while return flights cost around HK$2,244.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around HK$349, however they can be found for as little as HK$286.

  • 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

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Fairfax
Arlington
Herndon
Silver Spring

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