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HK$2,910+ Direct flights from Washington, D.C. Dulles Intl Airport

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 12-10. 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
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Direct flights from Dulles Intl

Cheapest flights from Dulles Intl
Explore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 17 September 2025.

Tue 4-1118:20IAD - LHR
Nonstop7h 10mBritish Airways
Tue 11-1112:10LHR - IAD
Nonstop8h 25mBritish Airways
Deal found 15-9HK$4,567
Mon 3-1121:45IAD - LHR
Nonstop7h 15mBritish Airways
Wed 3-1212:10LHR - IAD
Nonstop8h 25mBritish Airways
Deal found 16-9HK$4,575
Sun 28-922:25IAD - LHR
Nonstop7h 15mUnited Airlines
Tue 7-1012:15LHR - IAD
Nonstop8h 15mUnited Airlines
Deal found 16-9HK$4,583
Wed 19-1122:20IAD - LHR
Nonstop7h 30mDelta
Fri 9-116:50LHR - IAD
Nonstop8h 40mDelta
Deal found 14-9HK$4,762
Tue 25-1122:20IAD - LHR
Nonstop7h 30mDelta
Tue 2-1216:50LHR - IAD
Nonstop8h 40mDelta
Deal found 15-9HK$4,800
Fri 3-1018:45IAD - YYC
Nonstop4h 54mDelta
Fri 10-1011:30YYC - IAD
Nonstop4h 20mDelta
Deal found 15-9HK$4,800
Wed 26-1118:20IAD - LHR
Nonstop7h 20mUnited Airlines
Tue 2-1216:20LHR - IAD
Nonstop8h 55mUnited Airlines
Deal found 17-9HK$4,808
Mon 29-922:25IAD - LHR
Nonstop7h 15mUnited Airlines
Sat 18-1016:40LHR - IAD
Nonstop8h 15mUnited Airlines
Deal found 15-9HK$4,956
Fri 31-1019:20IAD - LHR
Nonstop7h 10mBritish Airways
Wed 3-1212:10LHR - IAD
Nonstop8h 25mBritish Airways
Deal found 17-9HK$4,964
Wed 1-1022:45IAD - LHR
Nonstop7h 20mBritish Airways
Sun 5-1014:25LHR - IAD
Nonstop8h 05mBritish Airways
Deal found 15-9HK$4,972
Wed 24-1221:45IAD - LHR
Nonstop7h 15mBritish Airways
Thu 8-116:25LHR - IAD
Nonstop8h 30mBritish Airways
Deal found 16-9HK$5,042
Wed 7-118:10IAD - AMS
Nonstop7h 55mUnited Airlines
Wed 21-111:00AMS - IAD
Nonstop9h 00mUnited Airlines
Deal found 14-9HK$5,617

Find direct flights from Dulles Intl within your budget

 
Use the slider to find direct flights from Dulles Intl within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 70,647 searches. This data was last updated on 17 September 2025.

Fly to

Hong Kong

Route

Departure

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 12-11

22:20-10:50

Nonstop7h 30m

London Heathrow

Tue 18-11

16:50-20:30

Nonstop8h 40m

HK$4,567

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 31-12

18:20-06:40

Nonstop7h 20m

London Heathrow

Thu 15-1

12:05-15:35

Nonstop8h 30m

HK$4,567

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 2-11

18:20-06:30

Nonstop7h 10m

London Heathrow

Thu 4-12

16:25-19:55

Nonstop8h 30m

HK$4,575

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 3-12

18:20-06:40

Nonstop7h 20m

London Heathrow

Tue 9-12

12:05-15:35

Nonstop8h 30m

HK$4,575

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 15-10

17:50-06:15

Nonstop7h 25m

London Heathrow

Wed 3-12

16:25-19:55

Nonstop8h 30m

HK$4,575

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 9-11

22:20-10:50

Nonstop7h 30m

London Heathrow

Tue 18-11

16:50-20:30

Nonstop8h 40m

HK$4,575

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 28-9

18:40-06:55

Nonstop7h 15m

London Heathrow

Tue 7-10

12:15-15:30

Nonstop8h 15m

HK$4,606

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 19-11

22:20-10:50

Nonstop7h 30m

London Heathrow

Fri 9-1

16:50-20:30

Nonstop8h 40m

HK$4,762

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 3-10

18:45-21:39

Nonstop4h 54m

Calgary

Fri 10-10

11:30-17:50

Nonstop4h 20m

HK$4,800

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 11-11

18:20-06:30

Nonstop7h 10m

London Heathrow

Tue 2-12

16:25-19:55

Nonstop8h 30m

HK$4,808

Flights are sorted by cheapest return flights first.

Deals found on 15-9

Showing 1-10 of 60 results
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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.

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 17 September 2025.

  • Where can you fly direct from Washington, D.C. Dulles Intl Airport?

    Currently, the most popular direct flight destination from Washington, D.C. Dulles Intl Airport is Orlando Airport.

  • What is the best time of year to fly direct from Washington, D.C. Dulles Intl Airport?

    If you're seeking the lowest price on a direct flight from Washington, D.C. Dulles Intl Airport, July is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, September offers travelers the most options.

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