$929 Cheap United flights Hong Kong (HKG) to Washington (IAD)

Finding cheap one-way United Airlines flights from HKG to IAD from $929 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $901 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for one-way or round-trip flights to Washington in January or February. You could find an affordable fare with United Airlines during these off-season months.

To find cheap flights from HKG to IAD with United Airlines, begin searching about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another helpful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Click on our “Nonstop” filter when searching for direct United Airlines flights from HKG to IAD. You can also compare other airlines servicing the same nonstop journey.

To find the earliest departures from HKG to IAD with United Airlines, filter your results by “Morning” and “Early Morning.” Choosing an early flight generally means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Board a United Airlines flight from Hong Kong Intl. Airport (HKG) to Washington, and you’re most likely to arrive at Washington Dulles Intl. Airport (IAD). This is the airline’s primary hub in this destination.

Offering a rewarding loyalty program, United Airlines is a top choice for many passengers flying from HKG to IAD. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of booking, but your airline may charge you after that time. For more details about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to make changes without extra charges, apply the “Changes included” and “No cancel fee” filters when organizing your next getaway.