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$290+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Hong Kong Intl are usually found in September or April, booked 64 days in advance, depart on a Tuesday or Thursday 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 September 11, 2025.

Round-trip from

$602
(Air Canada)

One-way from

$290
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$720
From Seattle/Tacoma Intl to Hong Kong Intl
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One-way flight from Seattle/Tacoma Intl to Hong Kong Intl
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Highest demand for flights based on searches. 5% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:50 amSEA - HKG
2 stops43h 55mMultiple Airlines
Sun 12/142:10 amHKG - SEA
2 stops35h 56mMultiple Airlines
Deal found 9/9$594
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:15 pmSEA - HKG
2 stops36h 30mAir Canada
Wed 9/179:30 amHKG - SEA
2 stops27h 46mAir Canada
Deal found 9/9$601
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:50 amSEA - HKG
2 stops24h 30mMultiple Airlines
Wed 12/1710:30 amHKG - SEA
2 stops20h 01mMultiple Airlines
Deal found 9/11$602
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:00 amSEA - HKG
2 stops40h 50mMultiple Airlines
Wed 10/12:35 amHKG - SEA
2 stops34h 56mMultiple Airlines
Deal found 9/9$607
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:00 pmSEA - HKG
1 stop30h 40mMultiple Airlines
Mon 11/1011:25 amHKG - SEA
2 stops19h 06mMultiple Airlines
Deal found 9/9$608
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Wed 12/171:40 pmHKG - SEA
1 stop20h 55mPhilippine Airlines
Deal found 9/11$609
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:30 pmSEA - HKG
1 stop28h 25mPhilippine Airlines
Sun 11/211:15 amHKG - SEA
1 stop23h 20mPhilippine Airlines
Deal found 9/11$610
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:50 amSEA - HKG
1 stop20h 50mMultiple Airlines
Mon 12/1510:45 pmHKG - SEA
1 stop35h 50mMultiple Airlines
Deal found 9/10$613
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:30 amSEA - HKG
2 stops45h 20mMultiple Airlines
Sun 9/282:20 pmHKG - SEA
2 stops43h 16mMultiple Airlines
Deal found 9/10$616
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:30 amSEA - HKG
2 stops45h 20mMultiple Airlines
Mon 10/66:00 pmHKG - SEA
1 stop30h 21mMultiple Airlines
Deal found 9/11$618
This oojo deal was found by Cheapflights users on 9/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:35 pmSEA - HKG
1 stop21h 50mPhilippine Airlines
Tue 10/711:00 pmHKG - SEA
1 stop35h 15mPhilippine Airlines
Deal found 9/9$622
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:30 amSEA - HKG
1 stop19h 35mAir Canada
Sun 10/56:00 pmHKG - SEA
1 stop30h 21mAir Canada
Deal found 9/9$623

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 September 11, 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

Wed 10/22

11:35 pm-10:10 am

1 stop19h 35m

Hong Kong Intl

Thu 11/20

10:45 pm-6:35 pm

1 stop35h 50m

$688

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 10/23

7:00 am-6:55 pm

1 stop20h 55m

Hong Kong Intl

Wed 11/19

2:20 pm-1:20 pm

1 stop15h 00m

$701

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 11/17

11:15 am-11:10 pm

1 stop19h 55m

Hong Kong Intl

Sun 11/23

12:55 am-1:20 pm

1 stop28h 25m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 10/28

5:30 am-7:20 pm

1 stop22h 50m

Hong Kong Intl

Tue 11/25

2:20 pm-1:20 pm

1 stop15h 00m

$704

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 11/3

11:00 am-11:10 pm

1 stop20h 10m

Hong Kong Intl

Sun 11/9

12:55 am-9:00 am

1 stop24h 05m

$706

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 10/21

12:50 pm-4:20 pm

1 stop36h 30m

Hong Kong Intl

Tue 11/18

12:55 am-9:00 am

1 stop24h 05m

$706

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 10/21

1:00 pm-5:40 am

2 stops25h 40m

Hong Kong Intl

Wed 11/19

2:20 pm-1:20 pm

1 stop15h 00m

$709

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 11/10

2:11 pm-11:20 am

2 stops29h 09m

Hong Kong Intl

Sun 12/14

12:55 am-9:00 am

1 stop24h 05m

$711

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 10/21

7:10 am-10:30 pm

2 stops24h 20m

Hong Kong Intl

Tue 11/4

12:55 am-9:00 am

1 stop24h 05m

$711

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 10/20

7:37 pm-5:00 am

1 stop18h 23m

Hong Kong Intl

Mon 11/10

11:25 am-8:51 pm

2 stops25h 26m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 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 August 29, 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 $945). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $1,614). 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 September 11, 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 14% 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 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 September 11, 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.
EVA Air
8.4
Very good
1,236 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

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
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

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
China Airlines
8.3
Very good
767 reviews
EVA Air
8.4
Very good
1,236 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

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
Asiana Airlines
8.2
Very good
479 reviews
EVA Air
8.4
Very good
1,236 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

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
United Airlines
7.4
Good
8,937 reviews
EVA Air
8.4
Very good
1,236 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

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
Air Canada
7.1
Good
10,000 reviews
EVA Air
8.4
Very good
1,236 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

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.

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

    Airlines like Philippine Airlines, United Airlines, and Delta fly from Seattle to Hong Kong in about 19h 35m. The time it takes to get you to your destination can typically vary by up to 1h 20m. 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 $507, 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.

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

    Flights departing from Seattle and landing in Hong Kong layover in Taipei City most frequently. Seoul is the second most popular location for layovers on flights from Seattle to Hong Kong. Vancouver sees the third most layovers on flights 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 $71 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 Dongdaemun Market, Lotte World, and Bukchon Hanok Village more than any other notable places. Dongdaemun Market, Lotte World, and Bukchon Hanok Village are located about 31.6 mi, 35.7 mi, and 30.6 mi, respectively from Incheon Intl. Travelers in need of a car in Seoul can rent one for about $64 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 $56.

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

    Of the flights from Seattle to Hong Kong that have layovers, the fewest flights stop in San Francisco. Tokyo follows San Francisco in terms of the least common layover location on 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 $945). Flying from Seattle to Hong Kong in December is currently the most expensive (average of $1,614). 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.
Portland to Hong Kong flights
Spokane to Hong Kong flights
Pasco to Hong Kong flights
Pullman to Hong Kong flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$507Average$688FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$792FlexibilityNo cancel feeOn-time79%
Philippine AirlinesCheapest$603Average$741FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$664Average$787FlexibilityNo cancel feeOn-time76%
ANACheapest$674Average$841FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$677Average$811FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$729Average$872FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$770Average$869FlexibilityNo cancel feeOn-time70%
DeltaCheapest$774Average$939FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$1,456FlexibilityNo cancel feeOn-time72%

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