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Hong Kong

$302+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 Wednesday or Tuesday 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 October 29, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$679
(oojo)

One-way from

$302
(CrystalTravel)

Popular in

July

Cheapest in

September

Average price

$795

Good round-trip deal

$769 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Hong Kong Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hong Kong Intl flights.
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From Seattle/Tacoma Intl to Hong Kong
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One-way flight from Seattle/Tacoma Intl to Hong Kong
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Highest demand for flights based on searches. 7% potential increase in price ($66 potential increase over avg. RT price).
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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 October 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Hong Kong.
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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 October 29, 2025.

This oojo deal was found by Cheapflights users on 10/26. 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 11/3012:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Sun 12/2112:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 10/26$679
This FlightHub deal was found by Cheapflights users on 10/27. 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 amSEA - HKG
1 stop30h 30mAsiana Airlines
Mon 11/1712:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 10/27$681
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Tue 12/21:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 10/27$682
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:30 pmSEA - HKG
1 stop28h 25mPhilippine Airlines
Fri 11/281:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 10/28$683
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:20 pmSEA - HKG
2 stops33h 55mUnited Airlines
Sun 11/2310:30 pmHKG - SEA
1 stop18h 29mUnited Airlines
Deal found 10/28$684
This FlightHub deal was found by Cheapflights users on 10/27. 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 10/2910:30 pmSEA - HKG
1 stop32h 15mPhilippine Airlines
Thu 11/2010:45 pmHKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 10/27$685
This oojo deal was found by Cheapflights users on 10/27. 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 11/212:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Sun 12/712:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 10/27$687
This oojo deal was found by Cheapflights users on 10/27. 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 11/912:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Thu 2/1912:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 10/27$688
This Justfly.com deal was found by Cheapflights users on 10/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:10 amSEA - HKG
1 stop19h 50mAsiana Airlines
Sat 12/612:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 10/27$689
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/1612:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Wed 2/251:10 pmHKG - SEA
1 stop16h 45mAsiana Airlines
Deal found 10/27$690
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Tue 11/45:30 amSEA - HKG
2 stops25h 20mANA
Thu 11/202:20 pmHKG - SEA
1 stop15h 00mANA
Deal found 10/27$691

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 October 29, 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

Mon 4/6

12:10 am-11:50 am

1 stop20h 40m

Hong Kong Intl

Wed 4/8

12:30 am-2:55 pm

1 stop29h 25m

$691

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 3/4

11:30 am-11:10 pm

1 stop19h 40m

Hong Kong Intl

Tue 3/10

12:55 am-2:20 pm

1 stop28h 25m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 1/6

6:03 am-7:20 pm

1 stop21h 17m

Hong Kong Intl

Wed 1/21

2:20 pm-1:20 pm

1 stop15h 00m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 3/16

12:35 pm-11:20 am

1 stop31h 45m

Hong Kong Intl

Sun 4/19

12:45 am-2:00 pm

1 stop28h 15m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 11/17

11:15 am-11:10 pm

1 stop19h 55m

Hong Kong Intl

Wed 2/25

6:10 pm-1:20 pm

1 stop35h 10m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 4/12

12:45 pm-10:55 am

1 stop31h 10m

Hong Kong Intl

Sat 4/18

12:45 am-2:00 pm

1 stop28h 15m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 12/2

11:30 am-11:10 pm

1 stop19h 40m

Hong Kong Intl

Wed 12/24

12:35 pm-1:20 pm

1 stop16h 45m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 1/22

11:25 am-4:50 pm

1 stop37h 25m

Hong Kong Intl

Sun 2/1

12:55 am-1:20 pm

1 stop28h 25m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 11/13

11:00 am-11:10 pm

1 stop20h 10m

Hong Kong Intl

Sun 12/7

12:35 pm-9:00 am

1 stop36h 25m

$716

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 1/6

11:00 am-11:10 pm

1 stop20h 10m

Hong Kong Intl

Tue 1/20

12:55 am-9:00 am

1 stop24h 05m

$716

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 23 results
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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 October 24, 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 $501). Flying from Seattle to Hong Kong in June is currently the most expensive (average of $683). 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 October 29, 2025.

It’s optimal to fly from Seattle to Hong Kong in the morning. By choosing this option you can save up to 25% 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 October 26, 2025.

Travelers seeking maximum savings on their Seattle to Hong Kong flight should consider departing on Thursday mornings 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 October 29, 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
1,265 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very good
1,265 reviews
EVA Air
8.4
Very good
1,265 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
China Airlines
8.3
Very good
776 reviews
EVA Air
8.4
Very good
1,265 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Asiana Airlines
8.2
Very good
483 reviews
EVA Air
8.4
Very good
1,265 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
United Airlines
7.4
Good
8,998 reviews
EVA Air
8.4
Very good
1,265 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Air Canada
7.1
Good
10,376 reviews
EVA Air
8.4
Very good
1,265 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 Asiana Airlines and Delta fly from Seattle to Hong Kong in about 19h 40m. The time it takes to get you to your destination can typically vary by up to 1h. Seattle and Hong Kong are separated by a distance of 6484 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $498, 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?

    $330 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 Hainan Airlines, with prices starting from $333 and $339, respectively.

  • What are the cheapest flights from Seattle to Hong Kong?

    While on average a flight from Seattle to Hong Kong is generally $812, our data shows the cheapest flight currently is $722. When looking at the most popular route, (Seattle/Tacoma Intl - Hong Kong Intl), you can expect to pay $619 for that flight.

  • 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 $501). Flying from Seattle to Hong Kong in June is currently the most expensive (average of $683). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$498Average$679FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$796FlexibilityNo cancel feeOn-time79%
Philippine AirlinesCheapest$603Average$663FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$661Average$773FlexibilityNo cancel feeOn-time76%
ANACheapest$674Average$786FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$677Average$815FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$706Average$861FlexibilityNo cancel feeOn-time69%
DeltaCheapest$724Average$932FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$759Average$858FlexibilityNo cancel feeOn-time70%
Cathay PacificCheapest$806Average$1,225FlexibilityNo cancel feeOn-time72%

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