Cheap Flights to Washington Dulles Intl. from HK$994

View HK$994 flight on Sat, 23 Aug 2025Opens in a new window

Popular airlines to Washington Dulles Intl. Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Washington Dulles Intl.

Prices were available within the past 7 days and start at HK$994 for one-way flights and HK$1,719 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 17 Sep - Wed, 24 Sep
YYZ
Toronto
IAD
Washington
HK$1,719 Return, found 6 days ago
HK$1,719
Return
found 6 days ago
Select Air Canada flight, departing Wed, 17 Sep from Toronto to Washington, returning Wed, 24 Sep, priced at HK$1,719 found 6 days ago
Delta
Wed, 17 Sep - Wed, 24 Sep
YYZ
Toronto
IAD
Washington
HK$1,721 Return, found 6 days ago
HK$1,721
Return
found 6 days ago
Select Delta flight, departing Wed, 17 Sep from Toronto to Washington, returning Wed, 24 Sep, priced at HK$1,721 found 6 days ago
United
Wed, 23 Jul - Sun, 3 Aug
YVR
Vancouver
IAD
Washington
HK$1,851 Return, found 5 days ago
HK$1,851
Return
found 5 days ago
Select United flight, departing Wed, 23 Jul from Vancouver to Washington, returning Sun, 3 Aug, priced at HK$1,851 found 5 days ago
American Airlines
Wed, 23 Jul - Wed, 30 Jul
YVR
Vancouver
IAD
Washington
HK$1,895 Return, found 5 days ago
HK$1,895
Return
found 5 days ago
Select American Airlines flight, departing Wed, 23 Jul from Vancouver to Washington, returning Wed, 30 Jul, priced at HK$1,895 found 5 days ago
WestJet
Fri, 19 Sep - Fri, 10 Oct
YVR
Vancouver
IAD
Washington
HK$2,184 Return, found 5 days ago
HK$2,184
Return
found 5 days ago
Select WestJet flight, departing Fri, 19 Sep from Vancouver to Washington, returning Fri, 10 Oct, priced at HK$2,184 found 5 days ago

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

September is typically the cheapest month to fly

From HK$839 - HK$5,385 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, Air India, All Nippon Airways, American Airlines, Asiana Airlines, Austrian Airlines, British Airways, Copa, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Return price
HK$1,414
Popular airline
United

Trending flights to Washington Dulles Intl.

Prices were available within the past 7 days and start at HK$994 for one-way flights and HK$1,719 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 29 Sep - Mon, 29 Sep
HKG
Hong Kong SAR
IAD
Washington
HK$7,275 Return, found 1 day ago
HK$7,275
Return
found 1 day ago
Select United flight, departing Mon, 29 Sep from Hong Kong SAR to Washington, returning Mon, 29 Sep, priced at HK$7,275 found 1 day ago
*Available to Expedia members.