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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
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Hong Kong are usually found in November 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 November 19, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$704
(SmartFares)

One-way from

$300
(CrystalTravel)

Popular in

July

Cheapest in

November

Average price

$767

Good round-trip deal

$762 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 ($69 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 November 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 November 19, 2025.

This SmartFares deal was found by Cheapflights users on 11/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:00 amSEA - HKG
1 stop22h 10mHainan Airlines
Mon 12/223:55 pmHKG - SEA
1 stop32h 05mHainan Airlines
Deal found 11/17$704
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:30 pmSEA - HKG
1 stop23h 00mPhilippine Airlines
Fri 12/126:55 pmHKG - SEA
1 stop15h 45mPhilippine Airlines
Deal found 11/16$705
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:30 pmSEA - HKG
1 stop23h 00mPhilippine Airlines
Fri 12/126:55 pmHKG - SEA
1 stop15h 45mPhilippine Airlines
Deal found 11/16$706
This Gotogate deal was found by Cheapflights users on 11/16. 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 11/1612:10 amSEA - HKG
1 stop30h 30mMultiple Airlines
Mon 11/248:55 pmHKG - SEA
1 stop27h 05mMultiple Airlines
Deal found 11/16$708
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:30 pmSEA - HKG
1 stop23h 00mPhilippine Airlines
Wed 12/101:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 11/16$709
This KAYAK deal was found by Cheapflights users on 11/16. 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.
Thu 11/2712:10 pmSEA - HKG
1 stop18h 45mJapan Airlines
Mon 12/810:20 amHKG - SEA
2 stops20h 18mJapan Airlines
Deal found 11/16$710
This oojo deal was found by Cheapflights users on 11/18. 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.
Sat 11/2212:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Sat 12/61:10 pmHKG - SEA
1 stop16h 45mAsiana Airlines
Deal found 11/18$711
This FlightHub deal was found by Cheapflights users on 11/16. 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.
Thu 12/43:40 pmSEA - HKG
1 stop22h 05mANA
Tue 12/1612:05 amHKG - SEA
1 stop29h 15mANA
Deal found 11/16$714
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:05 amSEA - HKG
1 stop33h 20mHainan Airlines
Mon 12/13:55 pmHKG - SEA
1 stop32h 05mHainan Airlines
Deal found 11/18$715
This KAYAK deal was found by Cheapflights users on 11/18. 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 11/2512:10 pmSEA - HKG
1 stop18h 45mJapan Airlines
Wed 12/310:20 amHKG - SEA
2 stops38h 43mJapan Airlines
Deal found 11/18$716
This Korean Air deal was found by Cheapflights users on 11/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:00 amSEA - HKG
1 stop20h 10mKorean Air
Sun 12/146:10 pmHKG - SEA
1 stop30h 50mKorean Air
Deal found 11/16$717
This Gotogate deal was found by Cheapflights users on 11/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Sun 12/2112:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 11/17$718

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 November 19, 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

Tue 3/10

12:00 pm-11:20 am

1 stop32h 20m

Hong Kong Intl

Tue 3/24

12:55 am-10:00 am

1 stop24h 05m

$717

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 1/24

11:25 am-11:10 pm

1 stop19h 45m

Hong Kong Intl

Sat 2/28

6:10 pm-1:20 pm

1 stop35h 10m

$719

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 5/4

12:10 am-10:50 pm

1 stop31h 40m

Hong Kong Intl

Tue 6/2

1:00 pm-2:55 pm

1 stop16h 55m

$719

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 1/17

12:10 am-12:00 pm

1 stop19h 50m

Hong Kong Intl

Sat 2/21

12:40 am-1:55 pm

1 stop29h 15m

$719

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 1/10

12:10 am-10:40 pm

1 stop30h 30m

Hong Kong Intl

Wed 2/25

1:10 pm-1:55 pm

1 stop16h 45m

$719

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 1/7

12:24 pm-6:45 am

2 stops26h 21m

Hong Kong Intl

Mon 3/9

2:20 pm-2:20 pm

1 stop15h 00m

$720

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 1/16

11:00 am-11:10 pm

1 stop20h 10m

Hong Kong Intl

Sat 3/14

12:55 am-10:00 am

1 stop24h 05m

$721

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 1/9

7:15 am-11:10 pm

2 stops23h 55m

Hong Kong Intl

Wed 2/25

12:55 am-9:00 am

1 stop24h 05m

$723

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 1/6

7:15 am-11:10 pm

2 stops23h 55m

Hong Kong Intl

Fri 2/27

12:35 pm-9:00 am

1 stop36h 25m

$726

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 11/29

12:10 am-10:40 pm

1 stop30h 30m

Hong Kong Intl

Sat 12/6

12:40 am-1:55 pm

1 stop29h 15m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 November 14, 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 $504). 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 November 19, 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 November 2, 2025.

Travelers seeking maximum savings on their Seattle to Hong Kong flight should consider departing on Tuesday 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.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 0% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the last year, Air Senegal have had the lowest number of delays on this route, with no flights being classified as delayed.

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 November 19, 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
1,279 reviews

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

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
1,279 reviews
EVA Air
8.4
Very good
1,279 reviews

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

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
782 reviews
EVA Air
8.4
Very good
1,279 reviews

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

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
487 reviews
EVA Air
8.4
Very good
1,279 reviews

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

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
9,025 reviews
EVA Air
8.4
Very good
1,279 reviews

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

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
10,462 reviews
EVA Air
8.4
Very good
1,279 reviews

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

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 Korean Air, Delta, and Asiana Airlines fly from Seattle to Hong Kong in about 19h 45m. The time it takes to get you to your destination can typically vary by up to 12h 35m. 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 flights from Seattle to Hong Kong?

    While on average a flight from Seattle to Hong Kong is generally $799, our data shows the cheapest flight currently is $735. When looking at the most popular route, (Seattle/Tacoma Intl - Hong Kong Intl), you can expect to pay $597 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 $504). 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$498Average$679FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$794FlexibilityNo cancel feeOn-time79%
Philippine AirlinesCheapest$603Average$661FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$661Average$770FlexibilityNo cancel feeOn-time76%
ANACheapest$674Average$778FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$677Average$822FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$707Average$861FlexibilityNo cancel feeOn-time69%
DeltaCheapest$724Average$932FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$759Average$858FlexibilityNo cancel feeOn-time70%
Cathay PacificCheapest$853Average$1,215FlexibilityNo cancel feeOn-time72%

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