Hong Kong

$316+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Dec 13 — Dec 201
We work with more than 300 partners to bring you better travel deals

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 13, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$697
(Kiwi.com)

One-way from

$316
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$765

Good round-trip deal

$762 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
One-way flight from Seattle/Tacoma Intl to Hong Kong
Highest demand for flights based on searches. 7% potential increase in price ($69 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 November 2025
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Hong Kong.

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 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Wed 11/269:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Fri 11/286:55 pmHKG - SEA
1 stop15h 45mPhilippine Airlines
Deal found 11/11$697
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com 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
Wed 11/196:55 pmHKG - SEA
1 stop15h 45mMultiple Airlines
Deal found 11/12$699
This KAYAK deal was found by Cheapflights users on 11/11. 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 12/212:10 pmSEA - HKG
1 stop18h 45mJapan Airlines
Wed 12/1010:20 amHKG - SEA
1 stop15h 30mJapan Airlines
Deal found 11/11$700
This FlightHub deal was found by Cheapflights users on 11/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:20 amSEA - HKG
2 stops24h 35mJapan Airlines
Wed 2/259:05 amHKG - SEA
1 stop16h 50mJapan Airlines
Deal found 11/12$702
This Cheapflightsfares deal was found by Cheapflights users on 11/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:30 pmSEA - HKG
1 stop28h 25mPhilippine Airlines
Thu 12/111:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 11/13$703
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:05 amSEA - HKG
1 stop33h 20mMultiple Airlines
Thu 11/2010:45 pmHKG - SEA
1 stop35h 55mMultiple Airlines
Deal found 11/12$704
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/289:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Tue 12/910:45 pmHKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 11/13$706
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:30 pmSEA - HKG
1 stop23h 00mPhilippine Airlines
Sat 11/2210:45 pmHKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 11/12$707
This oojo deal was found by Cheapflights users on 11/12. 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 oojo 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 12/89:05 amHKG - SEA
3 stops40h 45mJapan Airlines
Deal found 11/12$709
This CrystalTravel deal was found by Cheapflights users on 11/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:10 pmSEA - HKG
1 stop21h 50mJapan Airlines
Fri 12/2610:20 amHKG - SEA
1 stop15h 30mJapan Airlines
Deal found 11/12$710
This Philippine Airlines deal was found by Cheapflights users on 11/13. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/289:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Wed 12/101:40 pmHKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 11/13$712
This Japan Airlines deal was found by Cheapflights users on 11/13. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:10 pmSEA - HKG
1 stop18h 45mJapan Airlines
Tue 12/910:20 amHKG - SEA
1 stop15h 30mJapan Airlines
Deal found 11/13$713

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 13, 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

Mon 1/26

11:25 am-11:10 pm

1 stop19h 45m

Hong Kong Intl

Sat 2/7

6:10 pm-1:20 pm

1 stop35h 10m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 4/12

12:45 pm-4:20 pm

1 stop36h 35m

Hong Kong Intl

Tue 4/21

12:45 am-2:00 pm

1 stop28h 15m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 2/1

11:25 am-11:20 am

1 stop31h 55m

Hong Kong Intl

Sun 2/8

6:10 pm-1:20 pm

1 stop35h 10m

$714

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 3/16

12:00 pm-11:10 pm

1 stop20h 10m

Hong Kong Intl

Sun 4/19

12:45 am-10:40 am

1 stop24h 55m

$716

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 3/19

12:00 pm-4:50 pm

1 stop37h 50m

Hong Kong Intl

Sun 4/19

12:45 am-10:40 am

1 stop24h 55m

$716

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 2/11

7:15 am-11:10 pm

2 stops23h 55m

Hong Kong Intl

Sun 2/22

12:35 pm-9:00 am

1 stop36h 25m

$721

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 3/18

7:20 am-11:10 pm

2 stops24h 50m

Hong Kong Intl

Sun 4/19

12:45 am-10:40 am

1 stop24h 55m

$721

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 2/12

7:10 am-11:10 pm

2 stops24h 00m

Hong Kong Intl

Sat 2/21

12:55 am-9:00 am

1 stop24h 05m

$721

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 4/12

3:15 pm-4:20 pm

2 stops34h 05m

Hong Kong Intl

Sun 4/19

12:20 pm-10:40 am

1 stop37h 20m

$721

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 1/27

7:15 am-11:10 pm

2 stops23h 55m

Hong Kong Intl

Sun 2/8

12:35 pm-9:00 am

1 stop36h 25m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 22 results
1
2
3

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 7, 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 13, 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.

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 13, 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.

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

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

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

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

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

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

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

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

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

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

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

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 Delta and Korean Air 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 25m. 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 airlines to fly from Seattle to Hong Kong one-way?

    $333 is the cheapest one-way deal found within the past few days, from Asiana Airlines. You may also be able to find cheap deals on Philippine Airlines and United Airlines, with prices starting from $341 and $357, respectively.

  • 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 $625 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 13, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.