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$285+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 Wednesday or Saturday and return on a Monday

Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:05 amSEA - HKG
1 stop20h 15mUnited Airlines
Tue 1/202:20 pmHKG - SEA
1 stop15h 00mUnited Airlines
Deal found 12/10$709
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/315:00 amSEA - HKG
1 stop22h 20mUnited Airlines
Wed 1/1410:30 pmHKG - SEA
1 stop18h 29mUnited Airlines
Deal found 12/10$719
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/311:35 pmSEA - HKG
1 stop25h 10mUnited Airlines
Sun 1/1810:00 amHKG - SEA
2 stops24h 27mUnited Airlines
Deal found 12/10$722
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:05 amSEA - HKG
1 stop20h 15mUnited Airlines
Fri 1/1610:35 amHKG - SEA
1 stop21h 09mUnited Airlines
Deal found 12/10$744
This KAYAK deal was found by Cheapflights users on 12/10. 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.
Wed 12/313:45 pmSEA - HKG
1 stop22h 00mANA
Mon 1/1912:05 amHKG - SEA
2 stops37h 07mANA
Deal found 12/10$745
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/297:05 amSEA - HKG
1 stop20h 15mUnited Airlines
Sat 2/710:35 amHKG - SEA
1 stop26h 37mUnited Airlines
Deal found 12/10$782
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/283:50 pmSEA - HKG
2 stops35h 30mUnited Airlines
Tue 2/2410:30 pmHKG - SEA
2 stops31h 19mUnited Airlines
Deal found 12/9$793
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/281:55 pmSEA - HKG
2 stops37h 25mUnited Airlines
Sat 2/1410:30 pmHKG - SEA
1 stop18h 29mUnited Airlines
Deal found 12/9$833

Find 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 December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$669
(CheapOair)

One-way from

$285
(SmartFares)

Popular in

July

Cheapest in

November

Average price

$910

Good round-trip deal

$905 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hong Kong Intl flights.
Search Deals
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. 8% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Hong Kong.
Search Deals

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 December 12, 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

Fri 2/20

12:10 am-12:00 pm

1 stop19h 50m

Hong Kong Intl

Fri 2/27

12:40 am-1:55 pm

1 stop29h 15m

$677

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 2/20

7:15 am-7:20 pm

1 stop20h 05m

Hong Kong Intl

Fri 2/27

10:30 pm-11:30 pm

1 stop17h 00m

$683

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 2/9

9:25 am-7:00 am

2 stops29h 35m

Hong Kong Intl

Sun 2/22

12:40 am-9:01 pm

2 stops36h 21m

$685

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 2/14

7:29 pm-7:20 pm

1 stop31h 51m

Hong Kong Intl

Mon 3/9

12:40 am-4:14 pm

2 stops30h 34m

$687

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 2/9

9:25 am-7:00 am

2 stops29h 35m

Hong Kong Intl

Mon 2/16

11:25 am-11:30 pm

2 stops28h 05m

$687

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 2/20

12:10 am-12:00 pm

1 stop19h 50m

Hong Kong Intl

Sun 3/1

12:40 am-1:55 pm

1 stop29h 15m

$707

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 2/20

12:10 am-12:00 pm

1 stop19h 50m

Hong Kong Intl

Sat 2/28

12:40 am-1:55 pm

1 stop29h 15m

$707

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 12/31

5:00 am-7:20 pm

1 stop22h 20m

Hong Kong Intl

Fri 1/16

11:25 am-9:12 pm

2 stops25h 47m

$748

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 1/5

5:54 pm-6:45 am

1 stop20h 51m

Hong Kong Intl

Sun 1/18

2:20 pm-1:20 pm

1 stop15h 00m

$783

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 2/23

7:29 pm-5:45 am

2 stops42h 16m

Hong Kong Intl

Fri 2/27

10:00 am-9:01 pm

2 stops27h 01m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 21 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 December 5, 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 December 12, 2025.

It’s optimal to fly from Seattle to Hong Kong in the morning. By choosing this option you can save up to 19% 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 6, 2025.

Travelers seeking maximum savings on their Seattle to Hong Kong flight should consider departing on Wednesday 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 from Seattle to Hong Kong delayed?

About 0% of weekly flights between Seattle and Hong Kong have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Seattle to Hong Kong 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.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

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 December 12, 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
8.5
Very good
1,296 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,296 reviews
EVA Air
8.5
Very good
1,296 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
China Airlines
8.2
Very good
788 reviews
EVA Air
8.5
Very good
1,296 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Asiana Airlines
8.2
Very good
492 reviews
EVA Air
8.5
Very good
1,296 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
United Airlines
7.4
Good
9,095 reviews
EVA Air
8.5
Very good
1,296 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Air Canada
7.1
Good
10,514 reviews
EVA Air
8.5
Very good
1,296 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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 United Airlines fly from Seattle to Hong Kong in about 19h 50m. The time it takes to get you to your destination can typically vary by up to 15m. 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 $497, 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 40% cheaper than the other options available to this destination.

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

    $229 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 Air Canada and Japan Airlines, with prices starting from $261 and $323, respectively.

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

    While on average a flight from Seattle to Hong Kong is generally $946, our data shows the cheapest flight currently is $822. When looking at the most popular route, (Seattle/Tacoma Intl - Hong Kong Intl), you can expect to pay $587 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$498Average$679FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$777FlexibilityNo cancel feeOn-time79%
Philippine AirlinesCheapest$603Average$661FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$632Average$766FlexibilityNo cancel feeOn-time76%
DeltaCheapest$669Average$914FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$674Average$806FlexibilityNo cancel feeOn-time81%
ANACheapest$674Average$769FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$703Average$826FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$755Average$850FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$814Average$914FlexibilityNo cancel feeOn-timeN/A

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