Hong Kong

$249+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
May 18 — May 251
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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”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Hong Kong Intl are usually found in January or March, booked 64 days in advance, depart on a Sunday or Tuesday 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 April 18, 2026.

This KAYAK deal was found by Cheapflights users on 4/16. 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.
Fri 11/1311:55 pm
SEA
-
HKG
1 stop18h 15m
Philippine Airlines
Wed 11/251:20 pm
HKG
-
SEA
1 stop22h 15m
Philippine Airlines
Deal found 4/16$630
This Philippine Airlines deal was found by Cheapflights users on 4/16. 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.
Mon 9/217:20 pm
SEA
-
HKG
2 stops23h 45m
Multiple Airlines
Sun 11/110:25 pm
HKG
-
SEA
1 stop36h 10m
Multiple Airlines
Deal found 4/16$644
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 9/411:10 pm
SEA
-
HKG
1 stop19h 55m
Philippine Airlines
Wed 9/96:00 pm
HKG
-
SEA
1 stop17h 05m
Philippine Airlines
Deal found 4/16$645
This Priceline deal was found by Cheapflights users on 4/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:55 pm
SEA
-
HKG
1 stop29h 30m
Philippine Airlines
Sun 11/1510:25 pm
HKG
-
SEA
1 stop36h 10m
Philippine Airlines
Deal found 4/16$646
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Tue 9/811:10 pm
SEA
-
HKG
1 stop19h 55m
Philippine Airlines
Sun 9/201:40 pm
HKG
-
SEA
1 stop21h 25m
Philippine Airlines
Deal found 4/16$649
This KAYAK deal was found by Cheapflights users on 4/16. 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.
Fri 9/2511:10 pm
SEA
-
HKG
1 stop22h 25m
Philippine Airlines
Fri 10/21:40 pm
HKG
-
SEA
1 stop21h 25m
Philippine Airlines
Deal found 4/16$650
This KAYAK deal was found by Cheapflights users on 4/16. 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.
Thu 9/2411:10 pm
SEA
-
HKG
1 stop31h 50m
Philippine Airlines
Tue 11/310:25 pm
HKG
-
SEA
1 stop37h 10m
Philippine Airlines
Deal found 4/16$660
This Fareboom deal was found by Cheapflights users on 4/16. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:05 am
SEA
-
HKG
1 stop33h 15m
Multiple Airlines
Wed 5/137:30 am
HKG
-
SEA
2 stops24h 23m
Multiple Airlines
Deal found 4/16$665
This oojo deal was found by Cheapflights users on 4/16. 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 9/311:10 pm
SEA
-
HKG
1 stop19h 55m
Philippine Airlines
Sat 9/1911:15 pm
HKG
-
SEA
1 stop35h 50m
Philippine Airlines
Deal found 4/16$666
This Fareboom deal was found by Cheapflights users on 4/16. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:10 am
SEA
-
HKG
2 stops24h 50m
Multiple Airlines
Mon 11/307:45 pm
HKG
-
SEA
1 stop35h 20m
Multiple Airlines
Deal found 4/16$671
This CrystalTravel deal was found by Cheapflights users on 4/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:50 pm
SEA
-
HKG
1 stop18h 55m
Korean Air
Fri 10/912:45 am
HKG
-
SEA
1 stop24h 55m
Korean Air
Deal found 4/14$673
This CrystalTravel deal was found by Cheapflights users on 4/15. 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.
Sat 5/27:00 am
SEA
-
HKG
2 stops24h 45m
Korean Air
Tue 5/1212:45 am
HKG
-
SEA
1 stop24h 55m
Korean Air
Deal found 4/15$679

Find 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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$665
(Fareboom)

One-way from

$249
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$800

Good round-trip deal

$912 or less

Good one-way deal

$470 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
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Hong Kong Intl.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Hong Kong Intl.

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 April 18, 2026.
Use the filters below to find and compare flights from Seattle to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 4/28

1:00 pm-10:45 pm

1 stop18h 45m

Hong Kong Intl

Wed 5/13

5:55 pm-1:11 pm

1 stop34h 16m

$723

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 5/2

1:30 pm-10:45 pm

2 stops42h 15m

Hong Kong Intl

Fri 5/22

12:45 am-4:01 pm

2 stops30h 16m

$742

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 5/10

7:15 am-10:55 am

2 stops36h 40m

Hong Kong Intl

Wed 5/20

5:55 pm-10:40 am

1 stop31h 45m

$878

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 7/11

4:20 pm-10:55 am

2 stops27h 35m

Hong Kong Intl

Sat 8/22

12:20 pm-8:46 am

2 stops35h 26m

$919
Quickest round-trip

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 4/22

11:45 am-4:45 pm

Nonstop14h 00m

Hong Kong Intl

Tue 5/12

1:25 pm-10:05 am

Nonstop11h 40m

$971

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 7/5

5:48 pm-10:55 am

2 stops26h 07m

Hong Kong Intl

Mon 8/31

12:20 pm-9:51 pm

2 stops24h 31m

$1,138

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 7/1

7:05 pm-6:30 pm

2 stops32h 25m

Hong Kong Intl

Fri 9/4

12:40 pm-9:11 pm

2 stops23h 31m

$1,208

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 6/1

4:25 pm-4:25 pm

1 stop33h 00m

Hong Kong Intl

Sun 6/7

3:35 pm-2:45 pm

2 stops38h 10m

$1,223

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 6/24

12:35 pm-5:05 am

1 stop25h 30m

Hong Kong Intl

Thu 9/3

5:55 pm-1:37 pm

1 stop34h 42m

$1,235

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 7/1

2:51 pm-5:05 am

1 stop23h 14m

Hong Kong Intl

Sat 9/5

5:55 pm-1:37 pm

1 stop34h 42m

$1,235

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Hong Kong flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 April 10, 2026.

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, January is the cheapest month in which you can book a flight from Seattle to Hong Kong (average of $652). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $906). 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 April 18, 2026.

When flying from Seattle to Hong Kong, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 18, 2026.
Peruse reviews from past customers who have flown with EVA Air,China Airlines, andAsiana 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.

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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 airports do I use to fly from Seattle to Hong Kong?

    If you book a flight from Seattle to Hong Kong, you will be flying from Seattle/Tacoma Intl to Hong Kong Intl. Flights to Hong Kong Intl (HKG) from Seattle/Tacoma Intl (SEA) take 13h 20m for a nonstop flight. There is 1 flight from Seattle/Tacoma Intl to Hong Kong per day from 12 airlines.

  • How popular is this Seattle to Hong Kong flight route?

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

    Airlines like Delta, Korean Air, and Cathay Pacific fly from Seattle to Hong Kong in about 14h. The time it takes to get you to your destination can typically vary by up to 28h 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 $475, 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 $569 and $580, respectively. Users have found that Air Canada is 39% cheaper than the other options available to this destination.

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

    $219 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 Philippine Airlines and Japan Airlines, with prices starting from $250 and $281, respectively.

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

    While on average a flight from Seattle to Hong Kong is generally $1,587, our data shows the cheapest flight currently is $468. When looking at the most popular route, (Seattle/Tacoma Intl - Hong Kong Intl), you can expect to pay $403 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 Seoul?

    Seoul travelers tend to visit Dongdaemun Market, Lotte World, and Gwanghwamun more than anywhere else. Travelers on a layover in Seoul can visit Dongdaemun Market, Lotte World, and Gwanghwamun, by traveling 31.6 mi, 35.7 mi, and 30.1 mi, respectively after landing at Incheon Intl. Travelers can rent a car at Incheon Intl for an average daily rate of $48 to make sightseeing during their layover a little easier.

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

    Taipei City travelers tend to visit Taipei 101, Raohe Street Night Market, and Shilin Night Market more than any other notable places. Taipei 101, Raohe Street Night Market, and Shilin Night Market are located about 21.0 mi, 21.6 mi, and 18.3 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers in need of a car in Taipei City can rent one for about $74 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, Queen Elizabeth Theatre, or Pacific Central Station. Travelers on a layover in Vancouver can visit Orpheum Theatre, Queen Elizabeth Theatre, and Pacific Central Station, by traveling 6.5 mi, 6.6 mi, and 6.6 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 $35.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Hong Kong (average of $652). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $906). 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$475Average$651FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$761FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$580Average$698FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$596Average$763FlexibilityNo cancel feeOn-time81%
ANACheapest$597Average$700FlexibilityNo cancel feeOn-time80%
Philippine AirlinesCheapest$603Average$652FlexibilityNo cancel feeOn-time60%
DeltaCheapest$622Average$770FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$623Average$805FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$693Average$960FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$742Average$812FlexibilityNo cancel feeOn-time70%

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