Cheap flights from Hong Kong Intl to Washington Dulles

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Flight deals from Hong Kong Intl to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Hong Kong Intl Airport to Washington Dulles Airport? If you want to travel next month, return fares start from $1,285. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Hong Kong Intl to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hong Kong Intl to Washington Dulles flights are currently cheapest in June.

Hong Kong to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$651
Cheapest month to flyJune

Finding cheap flights from Hong Kong Intl to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Hong Kong Intl to Washington Dulles is $1,173. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Hong Kong Intl to Washington Dulles. But we found flights with one or more stops from $1,173.
As of May 2026, there are no flights flying from Hong Kong Intl to Washington Dulles.
The cheapest month to fly from Hong Kong Intl to Washington Dulles is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hong Kong Intl Airport to Washington Dulles Airport on Thursday, 10 September 2026.
No airlines currently offer direct flights between Hong Kong Intl Airport and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air China offers the cheapest flight tickets to Washington Dulles.

Flying from Hong Kong International Airport (HKG) to Washington Dulles International Airport (IAD): what you need to know

  • Washington DC is 12 hours behind Hong Kong and follows the UTC-4 timezone.

  • Your HKG to IAD flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months such as April, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • If you'd like to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Hong Kong International Airport to Washington Dulles International Airport. These are the most popular stopovers between HKG and IAD:

    • San Francisco International Airport

    • Newark Liberty International Airport

    • Vancouver International Airport

How to find the cheapest flights from Hong Kong International Airport (HKG) to Washington Dulles International Airport (IAD)

  • The lowest price we've seen for a one-way Hong Kong International Airport to Washington Dulles International Airport flight is $651. A round-trip plane ticket is currently $1,173. Depending on the availability and when you book, these fares can change.

  • It's usually best to book as early as possible if you want to find cheap tickets from HKG to IAD. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • Finding cheap flights from Hong Kong International Airport to Washington Dulles International Airport is easier if you're flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across every month and bag a great deal.

  • Cut down on the time spent looking for cheap flights from HKG to IAD by setting up a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Secure the perfect flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Hong Kong International Airport to Washington Dulles International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Hong Kong International Airport (HKG)

  • You'll find HKG at 1 Cheong Hong Rd.

  • Of all flights departing from Hong Kong International Airport, 73.04% arrive as scheduled at their destination.

  • To reach Hong Kong International Airport from central Hong Kong, it'll take about 30 minutes if you're going by car. This depends on traffic though. It's approximately 32 kilometres from the airport to the city centre.

  • Taking public transport? Expect a journey time of around 45 minutes.

  • Searching for a convenient hotel close to HKG? If you've booked an early flight from Hong Kong International Airport to Washington Dulles International Airport, these stays will have you moments from your departure gate:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • The street address for IAD is 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to drive to the centre.

  • It'll take around 3 hours 25 minutes if you're travelling on public transport.

When to fly to Washington Dulles International Airport (IAD)

  • The quietest month for a flight from Hong Kong International Airport to Washington Dulles International Airport is January, while April is the most popular. Pick the ideal time to go to Washington DC based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your flights from Hong Kong International Airport to Washington Dulles International Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from HKG to IAD in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • New York is just one of the many cities in United States waiting to be discovered once you've seen the sights of Washington DC. Around 322 kilometres away to the north-east, its best attractions include Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another sought-after destination in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without seeing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.