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$300+ Cheap flights from Seattle (SEA) to Hong Kong

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Hong Kong are usually found in September or August, booked 64 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Seattle to Hong Kong

Keep the following information in mind while searching for Seattle to Hong Kong flight deals. Data was last updated September 17, 2025.

Round-trip from

$606
(CrystalTravel)

One-way from

$300
(Cheapflightsfares)

Popular in

July

Cheapest in

September

Average price

$745
From Seattle/Tacoma Intl to Hong Kong
Search Deals
One-way flight from Seattle/Tacoma Intl to Hong Kong
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Hong Kong

Cheapest flights from Seattle to Hong Kong
Explore the most affordable flight options available from Seattle to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:35 pmSEA - HKG
1 stop19h 35mPhilippine Airlines
Sun 11/161:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 9/15$606
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1911:35 pmSEA - HKG
1 stop26h 45mPhilippine Airlines
Sun 10/2611:15 amHKG - SEA
1 stop23h 25mPhilippine Airlines
Deal found 9/15$621
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:35 pmSEA - HKG
1 stop21h 50mPhilippine Airlines
Sun 11/211:15 amHKG - SEA
1 stop23h 25mPhilippine Airlines
Deal found 9/17$622
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:35 pmSEA - HKG
1 stop26h 45mPhilippine Airlines
Sat 10/411:00 pmHKG - SEA
1 stop35h 15mPhilippine Airlines
Deal found 9/15$624
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1911:35 pmSEA - HKG
1 stop26h 45mPhilippine Airlines
Wed 10/2211:20 amHKG - SEA
1 stop22h 55mPhilippine Airlines
Deal found 9/14$629
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/312:10 pmSEA - HKG
1 stop18h 10mMultiple Airlines
Mon 11/109:05 amHKG - SEA
1 stop16h 45mMultiple Airlines
Deal found 9/15$636
This oojo deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:35 pmSEA - HKG
1 stop19h 35mPhilippine Airlines
Tue 11/410:45 pmHKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 9/17$638
This oojo deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:35 pmSEA - HKG
1 stop19h 35mPhilippine Airlines
Sun 10/196:20 pmHKG - SEA
1 stop15h 55mPhilippine Airlines
Deal found 9/17$639
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:35 pmSEA - HKG
1 stop21h 50mPhilippine Airlines
Sat 11/1510:45 pmHKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 9/15$640
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Tue 12/161:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 9/15$646
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Tue 12/161:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 9/15$649

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Hong Kong that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Seattle to Hong Kong that are best for you.

Fly from

Seattle

Fly to

Hong Kong

Route

Depart

Return

Price

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 11/26

11:15 am-4:50 pm

1 stop37h 35m

Hong Kong Intl

Thu 12/18

12:35 pm-1:20 pm

1 stop16h 45m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 11/24

11:15 am-4:50 pm

1 stop37h 35m

Hong Kong Intl

Sun 2/15

12:55 am-1:20 pm

1 stop28h 25m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 11/27

11:15 am-11:20 am

1 stop32h 05m

Hong Kong Intl

Sun 12/14

12:35 pm-1:20 pm

1 stop16h 45m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 11/25

11:15 am-4:50 pm

1 stop37h 35m

Hong Kong Intl

Sun 2/22

12:35 pm-1:20 pm

1 stop16h 45m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 11/24

11:15 am-4:50 pm

1 stop37h 35m

Hong Kong Intl

Thu 2/19

12:35 pm-1:20 pm

1 stop16h 45m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 11/23

11:15 am-4:50 pm

1 stop37h 35m

Hong Kong Intl

Sat 2/21

12:55 am-1:20 pm

1 stop28h 25m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 12/2

11:30 am-11:10 pm

1 stop19h 40m

Hong Kong Intl

Sat 12/13

12:55 am-1:20 pm

1 stop28h 25m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 11/24

11:15 am-4:50 pm

1 stop37h 35m

Hong Kong Intl

Sat 2/21

12:55 am-1:20 pm

1 stop28h 25m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 11/13

11:15 am-4:50 pm

1 stop37h 35m

Hong Kong Intl

Wed 11/19

12:55 am-1:20 pm

1 stop28h 25m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 9/24

12:50 pm-10:30 pm

1 stop18h 40m

Hong Kong Intl

Tue 10/21

12:45 am-10:40 am

1 stop24h 55m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 23 results
1
2
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Best time to book a flight from Seattle to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Seattle to Hong Kong?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Hong Kong. Price data was last updated on September 12, 2025.

The price you pay for your flight from Seattle to Hong Kong may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Hong Kong?

Currently, September is the cheapest month in which you can book a flight from Seattle to Hong Kong (average of $938). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $1,610). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to HK?

Find hourly flight availability from Seattle to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from Seattle to Hong Kong in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Hong Kong. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Hong Kong flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hong Kong. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown EVA Air, China Airlines, and Asiana Airlines from Seattle to Hong Kong. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,237 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
China Airlines
8.3
Very good
768 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Asiana Airlines
8.2
Very good
481 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,926 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Air Canada
7.1
Good
10,000 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from Seattle to Hong Kong. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Hong Kong?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Hong Kong.

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

    Airlines like Delta fly from Seattle to Hong Kong in about 37h 35m. The time it takes to get you to your destination can typically vary by up to . Seattle and Hong Kong are separated by a distance of 6484 mi.

  • What are the cheapest airlines flying from Seattle to Hong Kong round-trip?

    Currently priced at $499, Air Canada will fly you from Seattle to Hong Kong and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Japan Airlines and Philippine Airlines - these airlines can fly you to your destination from $569 and $603, respectively. Users have found that Air Canada is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Hong Kong one-way?

    $300 is the cheapest one-way deal found within the past few days, from Philippine Airlines. You may also be able to find cheap deals on Asiana Airlines and United Airlines, with prices starting from $335 and $356, respectively.

  • Can I find deals for flights from Seattle to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Seattle to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Hong Kong.

  • Can I find deals for business class flights from Seattle to Hong Kong?

    Yes. Cheapflights offers flight deals from Seattle to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Hong Kong?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Hong Kong (average of $938). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $1,610). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 10 airlines flying from Seattle to Hong Kong

Discover the top 10 airlines that operate flights from Seattle to Hong Kong. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$499Average$687FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$792FlexibilityNo cancel feeOn-time79%
Philippine AirlinesCheapest$603Average$710FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$663Average$786FlexibilityNo cancel feeOn-time76%
ANACheapest$674Average$841FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$677Average$810FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$726Average$872FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$770Average$868FlexibilityNo cancel feeOn-time70%
DeltaCheapest$774Average$941FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$1,467FlexibilityNo cancel feeOn-time72%

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