Hong Kong

$303+ Cheap flights from Seattle (SEA) to Hong Kong (HKG)

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Nov 27 — Dec 41
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Find cheap flights from Seattle to Hong Kong with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Hong Kong Intl 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

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Hong Kong (HKG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$679
(oojo)

One-way from

$303
(SmartFares)

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.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hong Kong Intl flights.
From Seattle/Tacoma Intl to Hong Kong Intl
One-way flight from Seattle/Tacoma Intl to Hong Kong Intl
Highest demand for flights based on searches. 7% potential increase in price ($66 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Hong Kong Intl.

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 28, 2025.

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 11/3012:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Thu 12/181:10 pmHKG - SEA
1 stop16h 45mAsiana Airlines
Deal found 10/27$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
Thu 11/201:10 pmHKG - SEA
1 stop16h 45mAsiana Airlines
Deal found 10/27$681
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:30 pmSEA - HKG
1 stop32h 15mPhilippine Airlines
Sun 12/71:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 10/26$682
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.
Tue 11/259:30 pmSEA - HKG
1 stop32h 15mPhilippine Airlines
Fri 11/2811:15 amHKG - SEA
1 stop23h 25mPhilippine Airlines
Deal found 10/27$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 10/26. 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 11/212:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Sun 12/712:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 10/26$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 10/28. 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 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
Tue 2/2412:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 10/28$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 28, 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

Sun 4/19

12:50 pm-10:30 pm

1 stop18h 40m

Hong Kong Intl

Tue 4/21

5:55 pm-10:40 am

1 stop31h 45m

$688

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

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

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

Mon 11/10

11:00 am-11:10 pm

1 stop20h 10m

Hong Kong Intl

Sun 12/14

12:55 am-9:00 am

1 stop24h 05m

$716

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 2/11

11:00 am-11:10 pm

1 stop20h 10m

Hong Kong Intl

Sat 2/21

12:55 am-9:00 am

1 stop24h 05m

$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

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 4/12

6:30 am-6:55 pm

2 stops21h 25m

Hong Kong Intl

Thu 5/7

2:45 pm-2:25 pm

1 stop14h 40m

$719

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 2/11

12:10 am-10:40 pm

1 stop30h 30m

Hong Kong Intl

Sat 3/14

1:10 pm-2:55 pm

1 stop16h 45m

$720

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 3/16

3:15 pm-11:10 pm

2 stops40h 55m

Hong Kong Intl

Sun 4/19

12:45 am-10:40 am

1 stop24h 55m

$722

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
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Compare providers for flights from Seattle to Hong Kong

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Hong Kong in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Hong Kong flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seattle-Hong Kong flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Seattle-Hong Kong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Hong Kong flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Hong Kong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 HKG?

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 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Hong Kong in the morning. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking 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.

How much does it cost to fly round-trip from Seattle to Hong Kong?

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 28, 2025.
Peruse reviews from past customers who have flown with EVA Air, China Airlines, and Asiana Airlines from Seattle to Hong Kong to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

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.

Overall

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

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.

Overall

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

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.

Overall

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

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.

Overall

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

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.

Overall

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

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.
  • How long is the flight from Seattle to Hong Kong?

    Airlines like Korean Air and Delta fly from Seattle to Hong Kong in about 18h 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 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 $627 for that flight.

  • Where are the most common layover locations when flying from Seattle to Hong Kong?

  • What are some popular things to do or see while on a layover in Taipei City?

    Taipei City travelers tend to visit Taipei 101, Shilin Night Market, and Raohe Street Night Market more than anywhere else. Travelers on a layover in Taipei City can visit Taipei 101, Shilin Night Market, and Raohe Street Night Market, by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively after landing at Taipei City Taiwan Taoyuan Intl. Travelers can rent a car at Taipei City Taiwan Taoyuan Intl for an average daily rate of $74 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Seoul?

    Seoul travelers tend to visit Lotte World, Dongdaemun Market, and Bukchon Hanok Village more than any other notable places. Lotte World, Dongdaemun Market, and Bukchon Hanok Village are located about 35.7 mi, 31.6 mi, and 30.6 mi, respectively from Incheon Intl. Travelers in need of a car in Seoul can rent one for about $63 per day.

  • What are points of interest worth seeing during a layover in Vancouver?

    If you're on a layover in Vancouver and looking for things to do, consider visiting Orpheum Theatre, Pacific Central Station, or Capilano Suspension Bridge. Travelers on a layover in Vancouver can visit Orpheum Theatre, Pacific Central Station, and Capilano Suspension Bridge, by traveling 6.5 mi, 6.6 mi, and 10.6 mi, respectively after landing at Vancouver Intl. Those on a layover in Vancouver in need of a rental car can book one at Vancouver Intl for about $37.

  • Where are the least popular layover locations for Seattle to Hong Kong flights?

  • 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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Alternative routes for Seattle to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.

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 28, 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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