
Popular airlines to Herndon
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- JetBlue Airways
JetBlue Airways
- Air Canada
Air Canada
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Cheap round-trip flights to Herndon
Prices were available within the past 7 days and start at HK$3,975 for one-way flights and HK$6,637 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 22 Sept - Tue, 29 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$6,637 Return, found 9 hours ago
HK$6,637
Return
found 9 hours ago

Tue, 10 Mar - Tue, 31 Mar
ISB
Islamabad
IAD
Washington
HK$7,096 Return, found 5 days ago
HK$7,096
Return
found 5 days ago

Sat, 2 May - Sat, 25 Jul
HKG
Hong Kong SAR
DCA
Washington
HK$7,290 Return, found 9 hours ago
HK$7,290
Return
found 9 hours ago

Sat, 21 Mar - Sun, 5 Apr
HKG
Hong Kong SAR
IAD
Washington
HK$7,313 Return, just found
HK$7,313
Return
just found
Wed, 25 Mar - Wed, 8 Apr
ISB
Islamabad
IAD
Washington
HK$7,396 Return, found 1 day ago
HK$7,396
Return
found 1 day ago
Find the cheapest month to fly from Columbus (CMH) to Washington (DCA)
November is typically the cheapest month to fly
From HK$763 - HK$2,655 per traveller.
Frequently asked questions
Destination airport | Washington Dulles Intl. |
|---|---|
Destination airport IATA code | IAD |
Destination city name | Washington |
Return price | HK$6,637 |
Trending flights to Herndon
Prices were available within the past 7 days and start at HK$3,975 for one-way flights and HK$6,637 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 22 Sept - Tue, 29 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$6,637 Return, found 9 hours ago
HK$6,637
Return
found 9 hours ago
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