Cheap Flights to Washington Dulles Intl. from HK$508

View HK$508 flight on Wed, 29 Oct 2025Opens in a new window

Popular airlines to Washington Dulles Intl. Airport (IAD)

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Cheap round-trip flights to Washington Dulles Intl.

Prices were available within the past 7 days and start at HK$508 for one-way flights and HK$1,016 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 23 Sep - Fri, 26 Sep
JFK
New York
IAD
Washington
HK$1,016 Return, found 2 days ago
HK$1,016
Return
found 2 days ago
Select Delta flight, departing Tue, 23 Sep from New York to Washington, returning Fri, 26 Sep, priced at HK$1,016 found 2 days ago
United
Wed, 29 Oct - Sat, 1 Nov
LGA
New York
IAD
Washington
HK$1,489 Return, found 3 hours ago
HK$1,489
Return
found 3 hours ago
Select United flight, departing Wed, 29 Oct from New York to Washington, returning Sat, 1 Nov, priced at HK$1,489 found 3 hours ago
Air Canada
Thu, 16 Oct - Wed, 22 Oct
YYZ
Toronto
IAD
Washington
HK$1,820 Return, found 1 day ago
HK$1,820
Return
found 1 day ago
Select Air Canada flight, departing Thu, 16 Oct from Toronto to Washington, returning Wed, 22 Oct, priced at HK$1,820 found 1 day ago
Porter Airlines
Thu, 28 Aug - Sun, 31 Aug
YTZ
Toronto
IAD
Washington
HK$1,926 Return, found 2 hours ago
HK$1,926
Return
found 2 hours ago
Select Porter Airlines flight, departing Thu, 28 Aug from Toronto to Washington, returning Sun, 31 Aug, priced at HK$1,926 found 2 hours ago
American Airlines
Wed, 29 Oct - Sat, 1 Nov
YVR
Vancouver
IAD
Washington
HK$2,365 Return, found 4 days ago
HK$2,365
Return
found 4 days ago
Select American Airlines flight, departing Wed, 29 Oct from Vancouver to Washington, returning Sat, 1 Nov, priced at HK$2,365 found 4 days ago

Find the cheapest month to fly from Columbus (CMH) to Washington (IAD)

September is typically the cheapest month to fly

From HK$861 - HK$5,512 per traveller.

Graph displaying average flight prices per month

Flights to Washington Dulles Intl. information
Destination airport
Washington Dulles Intl.
Destination airport IATA code
IAD
Destination city name
Washington
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Austrian Airlines, British Airways, Cathay Pacific, Delta, Emirates, Ethiopian Airlines, Iberia, Korean Air, Lufthansa, Porter Airlines, Qatar Airways, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Return price
HK$1,081
Popular airline
United

Trending flights to Washington Dulles Intl.

Prices were available within the past 7 days and start at HK$508 for one-way flights and HK$1,016 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 23 Sep - Wed, 24 Sep
HKG
Hong Kong SAR
IAD
Washington
HK$6,789 Return, found 2 days ago
HK$6,789
Return
found 2 days ago
Select United flight, departing Tue, 23 Sep from Hong Kong SAR to Washington, returning Wed, 24 Sep, priced at HK$6,789 found 2 days ago
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