SEA - HKG

$312 Find Cheap Flights from Seattle to Hong Kong - Compare and Save

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Everything you should know

Cheapest round-trip
$709
Typical prices: $693-$1,065
Air Canada
Sun 9/9Sun 9/23
SEA - HKG • 1 stop
Cheapest non-stop
$878
Typical prices: $884-$1,413
Cathay Pacific
Sat 10/27Fri 11/16
SEA - HKG • Non-stop
Nonstop flights
You can fly direct with Cathay Pacific. Average duration is 13h 46m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 51% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $665 (round-trip)
Shortest trip • 15h 48m (one-way)
Insights
Insights
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We hope you love your trip to Hong Kong!
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Flight Deals

Cheap Flights from Seattle to Hong Kong (SEA-HKG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Hong Kong

Wed, Sep 9 - Wed, Sep 23
Air Canada Logo
7:15 pm - 5:15 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
19h 00m1 stop Vancouver Intl
Air Canada Logo
9:45 am - 6:32 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
23h 47m1 stop Vancouver Intl
$709Air Canada
Wed, Feb 3 - Mon, Feb 8
Air Canada Logo
3:15 pm - 5:10 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
21h 55m1 stop Vancouver Intl
Air Canada Logo
10:45 am - 9:27 amHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
14h 42m1 stop Vancouver Intl
$709Air Canada
Tue, Oct 27 - Mon, Dec 21
United Airlines Logo
7:35 pm - 5:45 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
19h 10m1 stop San Francisco
United Airlines Logo
10:35 am - 2:22 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
19h 47m1 stop San Francisco
$716United Airlines
Mon, Oct 26 - Mon, Dec 21
United Airlines Logo
6:30 pm - 7:00 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
21h 30m1 stop Los Angeles
United Airlines Logo
10:30 pm - 11:18 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
16h 48m1 stop San Francisco
$716United Airlines
Mon, Aug 31 - Mon, Sep 14
Multiple Airlines Logo
5:50 am - 5:15 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
32h 25m1 stop Vancouver Intl
Multiple Airlines Logo
1:55 am - 2:17 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
27h 22m2 stops Osaka Kansai Intl Vancouver Intl
$716Multiple Airlines
Tue, Sep 1 - Sun, Sep 20
Multiple Airlines Logo
10:40 am - 5:15 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
27h 35m1 stop Vancouver Intl
Multiple Airlines Logo
1:20 pm - 10:47 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
48h 27m2 stops Osaka Kansai Intl Vancouver Intl
$716Multiple Airlines
Wed, Sep 16 - Sun, Oct 11
ANA Logo
4:30 pm - 12:25 pmSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
28h 55m1 stop Tokyo Haneda
ANA Logo
11:55 pm - 2:25 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
29h 30m1 stop Tokyo Haneda
$722ANA
Mon, Sep 14 - Sun, Sep 27
ANA Logo
4:30 pm - 12:25 pmSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
28h 55m1 stop Tokyo Haneda
ANA Logo
11:55 pm - 2:25 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
29h 30m1 stop Tokyo Haneda
$722ANA
Sun, Sep 20 - Mon, Oct 19
Asiana Airlines Logo
7:15 pm - 5:15 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
19h 00m1 stop Vancouver Intl
Asiana Airlines Logo
9:45 am - 2:22 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
19h 37m1 stop Vancouver Intl
$768Asiana Airlines
Sat, Sep 19 - Wed, Oct 21
Asiana Airlines Logo
7:15 pm - 5:15 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
19h 00m1 stop Vancouver Intl
Asiana Airlines Logo
9:45 am - 10:05 amHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
15h 20m1 stop Vancouver Intl
$808Asiana Airlines
Booking Insights

Price, demand and travel trends for Seattle to Hong Kong flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Hong Kong with more confidence.

How much is a round-trip flight from Seattle to Hong Kong?

Round-trip flights from Seattle to Hong Kong start at $709. Prices are typical for this route right now, with typical round-trip fares ranging from $693 to $1,065. The lowest price found in the past 5 days was $709 on Air Canada.

What's the cheapest day of the week to fly from Seattle to Hong Kong?

Sunday is the cheapest day of the week to fly from Seattle to Hong Kong, it is 8% cheaper than the average day. Thursday is the most expensive day with flight prices 7% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Seattle to Hong Kong?

  • January is the cheapest month to fly from Seattle to Hong Kong at $678 round-trip.
  • July ($1,413) and June ($1,101) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 108% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to Hong Kong the cheapest?

Flights from Seattle to Hong Kong are cheapest 26 weeks before departure. Booking in this window typically costs about 29% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Seattle to Hong Kong flights

Low season

July

Cheapest flight

$312
Best time to beat the crowds but there is an average 73% increase in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Seattle to Hong Kong

When to book flights from Seattle to Hong Kong

Are your dates flexible? Find out the best times to travel from Seattle to Hong Kong based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Hong Kong flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which pets can I bring aboard Cathay Pacific on flights from Seattle to Hong Kong?

    Cathay Pacific allows small dogs, cats, and household birds to travel in the cabin on flights from Seattle to Hong Kong. The combined weight of the pet and its carrier must not exceed 17 lbs. Additionally, the carrier dimensions must not exceed 22 x 14 inches, and 9 inches in height.

  • Does Cathay Pacific have kid-friendly amenities on flights from Seattle to Hong Kong?

    Yes, Cathay Pacific offers kid-friendly amenities on flights from Seattle to Hong Kong. They provide special services for children, including children's meals, activity kits, and in-flight entertainment options suitable for young travelers. The children's meals are designed to cater to their taste preferences and nutritional needs. The activity kits often include coloring books, puzzles, and other engaging items to keep kids entertained during the flight.

  • Can I pre-select seats on Cathay Pacific on flights from Seattle to Hong Kong?

    Yes, on flights from Seattle to Hong Kong with Cathay Pacific, passengers have the option to pre-select seats. Cathay Pacific offers different types of seating arrangements, including Standard, Preferred, and Extra Legroom seats.

  • Does Cathay Pacific support sustainability travel on flights from Seattle to Hong Kong?

    Yes, Cathay Pacific supports sustainability travel on flights from Seattle to Hong Kong. The airline has implemented various initiatives to promote environmental responsibility, including reducing carbon emissions and minimizing waste. Cathay Pacific uses advanced fuel-efficient aircraft and adopts sustainable practices in operations. It also supports recycling programs and focuses on responsible sourcing.

  • Which airlines offer extra legroom and free seat selection on Seattle to Hong Kong flights?

    Among airlines operating Seattle to Hong Kong 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.

  • What airlines are available from Seattle to Hong Kong?

    Only Cathay Pacific operates flights between Seattle and Hong Kong.

  • Which airports can I use when flying from Seattle to Hong Kong?

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

  • Which airlines include bags at no extra cost on Seattle to Hong Kong flights?

    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 travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Seattle to Hong Kong?

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from Seattle to Hong Kong?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $665 round-trip via Manila Ninoy Aquino Intl (MNL), compared to $1,117 for nonstop.

  • Which aircraft model is used most often on flights from Seattle to Hong Kong?

    The Airbus A350-900 family is used most often on this route, operated mainly by Cathay Pacific and American Airlines. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.

  • Which airports do connecting flights from Seattle to Hong Kong pass through?

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

    • Taipei City Taiwan Taoyuan Intl (TPE) - 30% of one-stop connections
    • Incheon Intl (ICN) - 28% of one-stop connections
    • Vancouver Intl (YVR) - 23% of one-stop connections
    • Tokyo Haneda (HND) - 6% of one-stop connections

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

  • Can I save money by using flexible dates for flights from Seattle to Hong Kong?

    On the Seattle to Hong Kong route, being flexible with your departure day can save you up to 14%. Sunday is the cheapest day at $757 round-trip on average, while Thursday is the most expensive at $880: a $123 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed from Seattle to Hong Kong?

    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 Seattle to Hong Kong route, 49% of flights were delayed in the past 3 months, with delays averaging 2 hours 4 minutes.

  • How are flight departures from Seattle to Hong Kong spread across the day?

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

  • What popular places can I visit in Hong Kong?

    Some of the most popular sights in Hong Kong are China Hong Kong City Shopping Mall Kowloon, Hong Kong Convention and Exhibition Centre and Tsim Sha Tsui Station. These are among the most viewed places in Hong Kong on KAYAK.

  • How long is a flight from Seattle to Hong Kong?

    A nonstop flight from Seattle to Hong Kong takes 13h 46m, covering 6,484 miles.

  • What are the earliest and latest flights from Seattle to Hong Kong?

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

    • Earliest: departs at 10:50 am and lands at 12:36 am
    • Latest: departs at 12:25 pm and lands at 2:11 am.

    The flight takes about 13h 46m.

  • How expensive are last-minute Seattle to Hong Kong flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 20% above the route average of $817. Book 26 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Seattle to Hong Kong?

    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.

  • How are flight prices from Seattle to Hong Kong looking right now?

    One-way fares from Seattle to Hong Kong are currently in line with typical prices for this route. Average one-way fares are about $373.

  • How does Cathay Pacific’s on-time performance compare to other airlines on Seattle to Hong Kong flights?

    Cathay Pacific is the only airline operating Seattle to Hong Kong flights. 51% of its flights are on time.

  • How do delay rates compare for morning and evening flights from Seattle to Hong Kong?

    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.

  • How much time can I save by choosing a different layover airport from Seattle to Hong Kong?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 15h 48m, compared with 16h 44m via Tokyo Narita (NRT) and 16h 47m via Hong Kong Intl (HKG).

  • What is the time difference between Seattle and Hong Kong?

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

  • How much should I expect to pay for a Seattle to Hong Kong flight?

    Round-trip flights from Seattle to Hong Kong range from $693 to $1,065, with an average of $817 over the past 12 months. Anything below $693 counts as a good deal.

Your guide to booking Seattle to Hong Kong flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Thursday. On this route, Sunday flights average $757 - about $123 less than Thursday (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 29% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Hong Kong trip for January. Fares historically average $678 round-trip in that month - typically $735 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Manila Ninoy Aquino Intl Airport (MNL) can be cheaper than flying direct. The cheapest layover option averages $665 round-trip on this route - about $452 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Hong Kong Intl Airport.
    - Regal Airport Hotel
    - Regala Skycity Hotel by Regal Hotels
    - Hong Kong Skycity Marriott Hotel
  • Cathay Pacific offers a range of special meals on flights from Seattle to Hong Kong to accommodate passengers with dietary restrictions and preferences. These include vegetarian meals, vegan meals, gluten-intolerant meals, low-calorie meals, low-fat meals, diabetic meals, and lactose-free meals.
  • Cathay Pacific, Delta Air Lines, and United Airlines commonly offer layovers on flights from Seattle to Hong Kong. Cathay Pacific typically has layovers at their hub in Hong Kong International Airport (HKG). Delta Air Lines often provides layovers at their hubs in Minneapolis-Saint Paul International Airport (MSP) or Detroit Metropolitan Wayne County Airport (DTW). United Airlines commonly offers layovers at their hubs in San Francisco International Airport (SFO), Los Angeles International Airport (LAX), or Chicago O'Hare International Airport (ORD).
  • Delta Air Lines offers assistance to disabled passengers on flights from Seattle to Hong Kong. They provide services such as wheelchair assistance, priority boarding, and trained staff to ensure a comfortable journey. Passengers with disabilities can request these services in advance or at the time of check-in. Cathay Pacific also accommodates passengers with visual or hearing impairments by providing accessible in-flight entertainment options and safety briefings.
  • Cathay Pacific also offers seat upgrade options on flights from Seattle to Hong Kong. Passengers can choose to upgrade their seats to Premium Economy Class, Business Class, or First Class, depending on availability and fare class. Premium Economy Class offers enhanced comfort and amenities, Business Class provides additional space, privacy, and premium services, while First Class offers the highest level of luxury, privacy, and personalized services.
  • Moreover, Cathay Pacific offers a comprehensive in-flight entertainment system on flights from Seattle to Hong Kong. Passengers can enjoy the StudioCX entertainment system, which includes a wide selection of movies, TV shows, music, and games. The system features personal seatback screens with touchscreen functionality, allowing travelers to browse and choose from an extensive library of entertainment content.

Prefer to fly direct from Seattle to Hong Kong?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Hong Kong Intl

Monday

Cathay Pacific

Cathay Pacific

Tuesday

Cathay Pacific

Cathay Pacific

Wednesday

Cathay Pacific

Cathay Pacific

Thursday

Cathay Pacific

Cathay Pacific

Saturday

Cathay Pacific

Cathay Pacific

See more direct flights

Direct returns

Hong Kong Intl to Seattle/Tacoma Intl

Monday

Cathay Pacific

Cathay Pacific

Tuesday

Cathay Pacific

Cathay Pacific

Wednesday

Cathay Pacific

Cathay Pacific

Thursday

Cathay Pacific

Cathay Pacific

Saturday

Cathay Pacific

Cathay Pacific

See more direct flights

Everything you need to know for your flight from Seattle to Hong Kong

Information on your arrival and departure airports