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$295+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
aug. 19 — aug. 261
tir. 8/19
tir. 8/26
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 April, 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 august 14, 2025.

Round-trip from

$590
(Trip.com)

One-way from

$295
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$795
From Seattle/Tacoma Intl to Hong Kong
Search Deals
One-way flight from Seattle/Tacoma Intl to Hong Kong
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Highest demand for flights based on searches. 6% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in August 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 august 14, 2025.

This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 10/1211:35 pmSEA - HKG
1 stop31h 15mPhilippine Airlines
lør. 10/1811:00 pmHKG - SEA
1 stop35h 15mPhilippine Airlines
Deal found 8/14$590
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 9/25:30 amSEA - HKG
1 stop19h 35mAir Canada
tor. 9/256:00 pmHKG - SEA
1 stop30h 22mAir Canada
Deal found 8/14$593
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 8/252:55 pmSEA - HKG
1 stop34h 10mAir Canada
man. 9/86:00 pmHKG - SEA
1 stop19h 16mAir Canada
Deal found 8/13$594
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 9/217:15 pmSEA - HKG
1 stop29h 50mAir Canada
tir. 10/216:00 pmHKG - SEA
1 stop15h 36mAir Canada
Deal found 8/12$595
This FlightHub deal was found by Cheapflights users on 8/13. 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.
ons. 9/32:55 pmSEA - HKG
1 stop22h 40mAir Canada
man. 9/156:00 pmHKG - SEA
1 stop19h 16mAir Canada
Deal found 8/13$603
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 9/410:00 amSEA - HKG
2 stops21h 45mAir Canada
man. 9/156:00 pmHKG - SEA
1 stop15h 36mAir Canada
Deal found 8/13$606
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 9/67:15 pmSEA - HKG
1 stop29h 50mAir Canada
ons. 10/89:30 amHKG - SEA
2 stops27h 56mAir Canada
Deal found 8/14$607
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 9/197:15 pmSEA - HKG
1 stop29h 50mAir Canada
tir. 12/910:00 amHKG - SEA
2 stops25h 16mAir Canada
Deal found 8/14$609
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 8/207:15 pmSEA - HKG
2 stops36h 30mAir Canada
tor. 9/119:30 amHKG - SEA
2 stops19h 46mAir Canada
Deal found 8/14$610
This FlightHub deal was found by Cheapflights users on 8/13. 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.
fre. 9/57:15 pmSEA - HKG
1 stop29h 50mAir Canada
man. 9/156:00 pmHKG - SEA
1 stop19h 16mAir Canada
Deal found 8/13$614

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 august 14, 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

søn. 11/2

12:10 am-11:50 am

1 stop19h 40m

Hong Kong Intl

søn. 12/14

12:30 am-1:55 pm

1 stop29h 25m

$701

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

tir. 10/21

8:42 am-6:55 pm

1 stop19h 13m

Hong Kong Intl

tor. 11/6

2:20 pm-1:20 pm

1 stop15h 00m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

man. 9/22

12:35 pm-10:40 am

1 stop31h 05m

Hong Kong Intl

tir. 10/21

12:45 am-1:30 pm

1 stop27h 45m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

tir. 10/28

1:20 pm-5:45 am

1 stop25h 25m

Hong Kong Intl

tor. 11/13

2:20 pm-1:20 pm

1 stop15h 00m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

man. 9/1

12:35 pm-10:30 pm

1 stop18h 55m

Hong Kong Intl

ons. 9/17

12:20 pm-1:40 pm

1 stop16h 20m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

man. 10/20

6:35 am-4:45 pm

1 stop19h 10m

Hong Kong Intl

tor. 11/6

2:20 pm-1:20 pm

1 stop15h 00m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

ons. 9/17

12:35 pm-4:20 pm

1 stop36h 45m

Hong Kong Intl

tir. 11/18

12:55 am-1:20 pm

1 stop28h 25m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

man. 10/20

8:42 am-6:55 pm

1 stop19h 13m

Hong Kong Intl

ons. 11/5

2:20 pm-1:20 pm

1 stop15h 00m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

ons. 9/10

12:35 pm-10:30 pm

1 stop18h 55m

Hong Kong Intl

ons. 9/17

12:45 am-1:40 pm

1 stop27h 55m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

tir. 10/28

12:30 pm-7:00 am

2 stops27h 30m

Hong Kong Intl

ons. 11/12

2:20 pm-1:20 pm

1 stop15h 00m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 results
1
2

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 August 8, 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 $949). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $1,629). 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 august 14, 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 august 14, 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
1,233 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

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
1,233 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

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
762 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

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
473 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

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
8,916 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

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
9,949 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

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.

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

    Currently priced at $549, 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 Asiana Airlines - these airlines can fly you to your destination from $570 and $664, respectively. Users have found that Air Canada is 36% cheaper than the other options available to this destination.

  • 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 $949). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $1,629). 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 august 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$549Average$708FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$570Average$792FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$664Average$791FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$665Average$754FlexibilityNo cancel feeOn-time60%
ANACheapest$674Average$797FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$684Average$822FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$753Average$892FlexibilityNo cancel feeOn-time69%
DeltaCheapest$774Average$932FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$1,467FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$775Average$873FlexibilityNo cancel feeOn-time70%

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