£361 Find Cheap Flights from Hong Kong to Seattle – Compare and Save

Among airlines operating Hong Kong to Seattle flights:

• Cathay Pacific: offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Cathay Pacific operates flights between Hong Kong and Seattle.

Flights from Hong Kong to Seattle usually depart from Hong Kong Intl (HKG) and arrive at Seattle/Tacoma Intl (SEA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Cathay Pacific: a cabin bag and a checked bag in Economy class
• American Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Two cabin classes are available on flights from Hong Kong to Seattle:

• Economy class
• Premium Economy Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £466 return via Manila Ninoy Aquino Intl (MNL), compared with £825 for direct.

The Airbus A350-900 family is used most often on this route, operated mainly by American Airlines and Malaysia Airlines. Other aircraft seen on the route include Boeing 777-300ER variants.

One-stop flights from Hong Kong to Seattle most commonly connect through:

• Taipei City Taiwan Taoyuan Intl (TPE) – 59% of one-stop connections
• Incheon Intl (ICN) – 14% of one-stop connections
• Manila Ninoy Aquino Intl (MNL) – 9% of one-stop connections
• Vancouver Intl (YVR) – 8% of one-stop connections

Taipei City Taiwan Taoyuan Intl (TPE) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 24% on the Hong Kong to Seattle route. Thursday is the cheapest departure day at £532 return on average, while Saturday is the most expensive at £698, a difference of £167. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Hong Kong to Seattle route, 36% of flights were delayed in the past 3 months, with delays averaging 2 hours 14 minutes.

Afternoon is the busiest departure period on Hong Kong to Seattle flights, with 100% leaving in that window. Morning departures account for 0%, Evening flights for 0%, and Night flights for 0%.

Some of the most popular sights in Seattle are The Westin Seattle, Seattle Center, and Seattle Marriott Waterfront. These are among the most viewed places in Seattle on KAYAK.

These are the earliest and latest flight times available from Hong Kong to Seattle:

• Earliest: departs at 13:05 and lands at 00:46
• Latest: departs at 13:25 and lands at 01:06.

The flight takes about 11h 41m.

Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of £585. Book 16 weeks before departure for the lowest fares.

A direct flight from Hong Kong to Seattle takes 11h 41m, covering 6,484 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £515 to £4,998. That means the highest observed fare was about 10x higher than the lowest one.

One-way fares from Hong Kong to Seattle are currently in line with typical prices for this route. Average one-way fares are about £386.

Cathay Pacific is the only airline operating Hong Kong to Seattle flights. 64% of its flights are on time.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time of 16h 34m, compared to 16h 53m via Vancouver Intl (YVR) and 17h 12m via Tokyo Narita (NRT).

Seattle is 15 hours behind Hong Kong (Pacific Time vs Hong Kong Time). Plan for the time shift when scheduling connections or first-day activities.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates starting from around £3 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Return flights from Hong Kong to Seattle range from £500 to £752, with an average of £585 over the past 12 months. Anything below £500 counts as a good deal.