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$338+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
jul. 5 — jul. 121
sáb. 7/5
sáb. 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Hong Kong are usually found in April or March, booked 65 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 junio 30, 2025.

Round-trip from

$666
(Air Canada)

One-way from

$338
(Jettzy)

Popular in

July

Cheapest in

April

Average price

$1,007
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. 12% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 30, 2025.

This Air Canada deal was found by Cheapflights users on 6/30. 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.
lun. 7/2810:00 amSEA - HKG
2 stops21h 45mAir Canada
jue. 8/286:00 pmHKG - SEA
1 stop15h 36mAir Canada
Deal found 6/30$666
This Air Canada deal was found by Cheapflights users on 6/30. 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.
lun. 11/38:00 pmSEA - HKG
1 stop30h 40mMultiple Airlines
lun. 11/1010:45 amHKG - SEA
2 stops19h 41mMultiple Airlines
Deal found 6/30$667
This CrystalTravel deal was found by Cheapflights users on 6/30. 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.
mié. 10/17:20 amSEA - HKG
2 stops24h 10mKorean Air
mié. 10/1512:20 pmHKG - SEA
2 stops25h 03mKorean Air
Deal found 6/30$672
This oojo deal was found by Cheapflights users on 6/30. 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.
dom. 10/1211:35 pmSEA - HKG
1 stop21h 50mPhilippine Airlines
sáb. 10/1811:00 pmHKG - SEA
1 stop35h 15mPhilippine Airlines
Deal found 6/30$677
This oojo deal was found by Cheapflights users on 6/30. 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.
jue. 10/232:15 pmSEA - HKG
1 stop30h 25mAsiana Airlines
sáb. 11/11:15 pmHKG - SEA
1 stop16h 40mAsiana Airlines
Deal found 6/30$681
This United Airlines deal was found by Cheapflights users on 6/28. 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.
lun. 10/135:26 pmSEA - HKG
1 stop21h 14mUnited Airlines
mar. 10/212:45 pmHKG - SEA
1 stop14h 40mUnited Airlines
Deal found 6/28$700

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 junio 30, 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

lun. 7/28

10:00 am-10:45 pm

2 stops21h 45m

Hong Kong Intl

jue. 8/28

6:00 pm-6:36 pm

1 stop15h 36m

$666

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

vie. 8/22

7:15 pm-4:05 pm

1 stop29h 50m

Hong Kong Intl

dom. 9/28

3:05 am-2:16 pm

2 stops26h 11m

$673

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mié. 8/20

1:20 pm-10:30 pm

1 stop18h 10m

Hong Kong Intl

jue. 8/28

12:45 am-10:50 am

1 stop25h 05m

$681

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mar. 9/2

12:35 pm-10:40 am

1 stop31h 05m

Hong Kong Intl

lun. 10/13

12:45 am-1:30 pm

1 stop27h 45m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

vie. 8/29

2:30 pm-11:40 am

1 stop30h 10m

Hong Kong Intl

mié. 9/3

1:00 pm-12:30 pm

1 stop14h 30m

$705

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mié. 8/13

5:10 am-4:45 pm

2 stops20h 35m

Hong Kong Intl

mié. 8/20

6:55 pm-10:17 pm

1 stop18h 22m

$713

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mié. 8/27

7:34 pm-12:30 pm

2 stops25h 56m

Hong Kong Intl

sáb. 9/27

2:35 pm-9:15 pm

2 stops21h 40m

$745

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mar. 9/2

7:15 pm-4:05 pm

1 stop29h 50m

$338

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

jue. 8/28

3:05 pm-10:40 am

2 stops28h 35m

$347

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

dom. 9/14

7:15 pm-1:10 pm

2 stops50h 55m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 16 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 June 27, 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 65 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 $978). 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 junio 30, 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 junio 30, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and ANA 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.
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
187 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,101 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.4
Very good
892 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
745 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Asiana Airlines
8.2
Very good
449 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 $666, 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 Korean Air and Delta - these airlines can fly you to your destination from $681 and $704, respectively. Users have found that Air Canada is 26% cheaper than the other options available to this destination.

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

    $338 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Korean Air and China Airlines, with prices starting from $347 and $409, 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 $978). 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

Browse thousands of different options on Cheapflights for your next trip

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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 junio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$617Average$716FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$665Average$810FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$665Average$754FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$738Average$829FlexibilityNo cancel feeOn-time81%
ANACheapest$745Average$848FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$750Average$804FlexibilityNo cancel feeOn-time79%
DeltaCheapest$774Average$936FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$775Average$938FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$784Average$884FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$858Average$914FlexibilityNo cancel feeOn-timeN/A

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