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HK$4,637+ 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 19-6. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
10 jun — 17 jun1
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 5 junho 2025.

Return from

HK$6,551

One-way from

HK$4,637

Popular in

August

Cheapest in

February

Average price

HK$8,560
Air China
  • Air China
  • 17-6-22-7
  • 2 total stops
  • 55h 50m total
  • Hong Kong to Washington, D.C.
19-6
  • 19-6
  • 3 total stops
  • 31h 55m total
  • Hong Kong to Washington, D.C.
Highest demand for flights based on searches. 12% potential increase in price (HK$9,259 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (HK$1,608 potential savings vs. average return price).
Average for return flights in June 2025

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 5 junho 2025.

seg 9-612:55HKG - IAD
1 stop42h 35mAir China
sex 25-723:00IAD - HKG
1 stop34h 50mAir China
Deal found 3-6HK$6,088
qui 26-618:55HKG - IAD
2 stops24h 25mUnited Airlines
qui 3-722:16IAD - HKG
1 stop30h 29mUnited Airlines
Deal found 4-6HK$7,006
qua 3-1200:55HKG - IAD
1 stop21h 55mKorean Air
seg 29-1211:50IAD - HKG
1 stop22h 20mKorean Air
Deal found 3-6HK$7,344
seg 16-612:20HKG - IAD
2 stops22h 59mDelta
qui 17-709:40IAD - HKG
2 stops24h 50mDelta
Deal found 5-6HK$7,375
qui 4-1220:25HKG - IAD
2 stops37h 04mAir Canada
sáb 3-116:35IAD - HKG
2 stops61h 05mAir Canada
Deal found 3-6HK$7,689
dom 13-715:40HKG - IAD
2 stops40h 05mMultiple Airlines
qui 13-1122:12IAD - HKG
2 stops31h 28mMultiple Airlines
Deal found 4-6HK$7,869
seg 14-701:25HKG - IAD
1 stop26h 15mQatar Airways
qua 6-811:00IAD - HKG
1 stop22h 45mQatar Airways
Deal found 4-6HK$8,019
qua 18-619:40HKG - IAD
2 stops47h 10mEVA Air
qua 25-620:19IAD - HKG
2 stops24h 31mEVA Air
Deal found 3-6HK$8,544
ter 5-819:40HKG - IAD
1 stop25h 00mJetBlue
sáb 16-821:00IAD - HKG
1 stop30h 10mJetBlue
Deal found 5-6HK$8,976
qua 16-723:15HKG - IAD
1 stop29h 00mSWISS
dom 9-1122:05IAD - HKG
2 stops30h 00mSWISS
Deal found 5-6HK$10,341
qua 16-723:25HKG - IAD
1 stop28h 25mLufthansa
qua 12-1123:10IAD - HKG
2 stops28h 15mLufthansa
Deal found 5-6HK$10,372
seg 14-721:30HKG - IAD
2 stops47h 10mEmirates
sex 14-1110:30IAD - HKG
2 stops42h 10mEmirates
Deal found 5-6HK$10,631

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 5 junho 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

ter 17-6

10:30-19:30

1 stop21h 00m

Washington, D.C. Dulles Intl

ter 22-7

23:00-21:50

1 stop34h 50m

HK$6,551

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

qui 26-6

18:55-07:20

2 stops24h 25m

Washington, D.C. Dulles Intl

qui 3-7

22:16-16:45

1 stop30h 29m

HK$7,006

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

seg 16-6

12:20-23:19

2 stops22h 59m

Washington, D.C. Dulles Intl

qui 17-7

09:40-22:30

2 stops24h 50m

HK$7,375

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

ter 15-7

18:00-16:20

2 stops34h 20m

Washington, D.C. Dulles Intl

seg 10-11

13:20-18:40

2 stops40h 20m

HK$7,767

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

dom 13-7

15:40-19:45

2 stops40h 05m

Washington, D.C. Dulles Intl

qui 13-11

22:12-18:40

2 stops31h 28m

HK$7,869

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

seg 14-7

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

qua 6-8

11:00-21:45

1 stop22h 45m

HK$8,019

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

qua 18-6

19:40-06:50

2 stops47h 10m

Washington, D.C. Dulles Intl

qua 25-6

20:19-08:50

2 stops24h 31m

HK$8,544

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

ter 5-8

19:40-08:40

1 stop25h 00m

Washington, D.C. Dulles Intl

sáb 16-8

21:00-15:10

1 stop30h 10m

HK$8,976

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

qua 16-7

23:15-16:15

1 stop29h 00m

Washington, D.C. Dulles Intl

dom 9-11

22:05-17:05

2 stops30h 00m

HK$10,341

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

qua 16-7

23:25-15:50

1 stop28h 25m

Washington, D.C. Dulles Intl

qua 12-11

23:10-16:25

2 stops28h 15m

HK$10,372

Flights are sorted by cheapest return flights first.

Deals found on 4-6

Showing 1-10 of 24 results
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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 24 hours 25 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 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 5 junho 2025.
See what other customers who have flown with EVA Air, Korean Air and ANA to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.3
Very Good

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.0
Very Good

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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$1,242, while return flights cost around HK$2,873.

  • 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

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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