SEA - HKG

$415 Find Cheap Flights from Seattle to Hong Kong - Compare and Save

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Everything you should know

Cheapest round-trip
$813
Typical prices: $693-$1,065
Air Canada
Tue 1/23Mon 1/29
SEA - HKG • 1 stop
Cheapest non-stop
$851
Typical prices: $884-$1,413
Cathay Pacific
Mon 10/22Mon 10/29
SEA - HKG • Non-stop
Nonstop flights
You can fly direct with Cathay Pacific. Average duration is 14h 13m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 52% 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 $655 (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

Sat, Jan 23 - Fri, Jan 29
Air Canada Logo
8:40 am - 5:10 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
28h 30m1 stop Vancouver Intl
Air Canada Logo
12:55 am - 6:22 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
33h 27m2 stops Incheon Intl Vancouver Intl
$813Air Canada
Tue, Jan 26 - Mon, Feb 15
Delta Logo
12:00 pm - 7:40 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
27h 40m1 stop Los Angeles
Delta Logo
12:35 pm - 11:50 amHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
15h 15m1 stop Incheon Intl
$813Delta
Thu, Jan 28 - Thu, Mar 4
ANA Logo
3:45 pm - 5:45 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
22h 00m1 stop Tokyo Haneda
ANA Logo
2:20 pm - 1:20 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
15h 00m1 stop Tokyo Haneda
$813ANA
Thu, Jan 28 - Thu, Mar 4
Delta Logo
2:30 pm - 7:40 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
25h 10m1 stop Los Angeles
Delta Logo
12:35 pm - 11:51 amHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
15h 16m1 stop Incheon Intl
$813Delta
Thu, Jan 28 - Thu, Mar 4
United Airlines Logo
1:16 pm - 6:45 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
25h 29m1 stop San Francisco
United Airlines Logo
2:20 pm - 1:20 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
15h 00m1 stop Tokyo Haneda
$816United Airlines
Tue, Oct 20 - Mon, Oct 26
Multiple Airlines Logo
11:00 am - 1:15 pmSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
35h 15m1 stop Beijing Capital
Multiple Airlines Logo
3:50 pm - 9:20 amHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
32h 30m1 stop Beijing Capital
$816Multiple Airlines
Thu, Nov 5 - Wed, Nov 11
Multiple Airlines Logo
10:05 am - 11:10 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
33h 05m1 stop Chongqing Jiangbei Intl
Multiple Airlines Logo
4:10 pm - 8:05 amHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
31h 55m2 stops Haikou Meilan Intl Chongqing Jiangbei Intl
$816Multiple Airlines
Sun, Jan 24 - Thu, Feb 18
Air Canada Logo
10:10 am - 5:10 amSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
27h 00m1 stop Vancouver Intl
Air Canada Logo
10:45 am - 2:37 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
19h 52m1 stop Vancouver Intl
$816Air Canada
Wed, Feb 10 - Sun, Feb 21
ANA Logo
3:30 pm - 12:55 pmSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
29h 25m2 stops San Francisco Tokyo Haneda
ANA Logo
12:15 am - 1:20 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
29h 05m1 stop Tokyo Haneda
$818ANA
Tue, Jan 12 - Wed, Feb 24
United Airlines Logo
7:32 pm - 7:15 pmSEA  Seattle/Tacoma Intl-HKG Hong Kong Intl
31h 43m2 stops San Francisco Los Angeles
United Airlines Logo
2:20 pm - 1:20 pmHKG  Hong Kong Intl-SEA Seattle/Tacoma Intl
15h 00m1 stop Tokyo Haneda
$821United 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 with more confidence.

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

Round-trip flights from Seattle to Hong Kong typically range from $693 to $1,065. The lowest price found in the past 5 days was $813, on Air Canada.

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

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

What’s 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 flights 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

$415
Beat the crowds with an average 52% drop in travelers.
The most popular month to fly with an average 26% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 10:25 am and lands at 12:38 am
    • Latest: departs at 11:45 am and lands at 1:58 am.

    The flight takes about 14h 13m.

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    A nonstop flight from Seattle to Hong Kong takes 14h 13m, covering 6,484 miles.

  • 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 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.

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

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

  • 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 $655 round-trip via Manila Ninoy Aquino Intl (MNL), compared to $1,117 for nonstop.

  • How does on-time performance compare across airlines flying from Seattle to Hong Kong?

    Cathay Pacific is the only airline operating Seattle to Hong Kong flights. 52% of its flights are on time.

  • 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.

  • 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%.

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

    One-way fares from Seattle to Hong Kong are currently higher than usual. Average one-way flight prices are about $425, which is 10% above the typical average for this route.

  • 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).

  • What time of day has the fewest delays on flights from Seattle to Hong Kong?

    Afternoon flights have the fewest delays on this route, while morning departures tend to have the most.

  • 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, 48% of flights were delayed in the past 3 months, with delays averaging 2h 27m.

  • 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) - 24% of one-stop connections
    • Tokyo Haneda (HND) - 6% of one-stop connections

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

    Yes. Flexible dates can save you up to 14% on flights from Seattle to Hong Kong. Sunday is the cheapest departure day at $757 round-trip on average, while Thursday is the most expensive at $880, a difference of $123.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Seattle to Hong Kong?

    Only Cathay Pacific operates flights between Seattle and Hong Kong.

  • 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 17h 27m via Vancouver Intl (YVR).

  • 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.

  • What popular places can I visit in Hong Kong?

    Some of the most popular sights in Hong Kong are Hong Kong Convention and Exhibition Centre, King's Park and AsiaWorld-Expo. These are among the most viewed places in Hong Kong on KAYAK.

  • 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.

  • 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
    • Malaysia Airlines: a cabin bag and a checked bag in Business Class

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

  • 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.

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 are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average $757, about $123 less than Thursday fares (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 $655 round-trip on this route - about $462 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
    • Four Points by Sheraton Hong Kong, Tung Chung
  • 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

More options for your flight from Seattle to Hong Kong

Complete your trip to Hong Kong with a hotel stay or car rental