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$289+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Hong Kong 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 March 22, 2026.

This Mytrip deal was found by Cheapflights users on 3/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Mon 1/1112:40 am
HKG
-
SEA
1 stop29h 15m
Asiana Airlines
Deal found 3/18$588
This Gotogate deal was found by Cheapflights users on 3/18. 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.
Mon 4/2012:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Mon 6/221:40 am
HKG
-
SEA
1 stop28h 15m
Asiana Airlines
Deal found 3/18$589
This FlightHub deal was found by Cheapflights users on 3/18. 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 5/512:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Tue 6/21:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 3/18$591
This FlightHub deal was found by Cheapflights users on 3/19. 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 4/2712:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Sun 5/171:40 am
HKG
-
SEA
1 stop28h 15m
Asiana Airlines
Deal found 3/19$592
This oojo deal was found by Cheapflights users on 3/18. 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 9/312:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Sun 9/131:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 3/18$593
This Mytrip deal was found by Cheapflights users on 3/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Mon 9/281:40 am
HKG
-
SEA
1 stop28h 15m
Asiana Airlines
Deal found 3/17$594
This Justfly.com deal was found by Cheapflights users on 3/20. 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.
Mon 11/212:10 am
SEA
-
HKG
1 stop19h 50m
Asiana Airlines
Mon 11/91:10 pm
HKG
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 3/20$596
This Gotogate deal was found by Cheapflights users on 3/18. 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.
Tue 10/1312:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Mon 2/1512:40 am
HKG
-
SEA
1 stop29h 15m
Asiana Airlines
Deal found 3/18$597
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Sun 8/2312:55 am
SEA
-
HKG
1 stop19h 45m
Multiple Airlines
Wed 9/26:00 pm
HKG
-
SEA
1 stop17h 05m
Multiple Airlines
Deal found 3/18$598
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 8/2511:10 pm
SEA
-
HKG
1 stop19h 55m
Philippine Airlines
Wed 9/26:00 pm
HKG
-
SEA
1 stop17h 05m
Philippine Airlines
Deal found 3/18$599
This oojo deal was found by Cheapflights users on 3/19. 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 4/2612:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Tue 5/191:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 3/19$600
This Korean Air deal was found by Cheapflights users on 3/20. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:15 pm
SEA
-
HKG
2 stops38h 55m
Korean Air
Sat 11/76:10 pm
HKG
-
SEA
1 stop30h 50m
Korean Air
Deal found 3/20$602

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$589
(Gotogate)

One-way from

$289
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$708

Good round-trip deal

$756 or less

Good one-way deal

$397 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 ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Hong Kong.
Search Deals
Price to beat on a one-way 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 March 22, 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
Quickest round-trip

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 4/23

12:55 am-11:40 am

1 stop19h 45m

Hong Kong Intl

Sun 5/17

1:40 am-2:55 pm

1 stop28h 15m

$627

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 4/21

7:00 am-10:55 am

2 stops36h 55m

Hong Kong Intl

Mon 5/4

12:45 am-10:40 am

1 stop24h 55m

$631

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 4/14

7:00 am-10:55 am

2 stops36h 55m

Hong Kong Intl

Mon 4/27

12:45 am-5:16 pm

2 stops31h 31m

$642

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 4/17

7:00 am-10:55 am

2 stops36h 55m

Hong Kong Intl

Mon 6/8

12:20 pm-3:24 pm

2 stops42h 04m

$642

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 8/10

12:00 pm-10:55 am

2 stops31h 55m

Hong Kong Intl

Mon 9/7

5:55 pm-10:40 am

1 stop31h 45m

$768

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 9/1

2:30 pm-10:55 am

2 stops29h 25m

Hong Kong Intl

Sat 9/19

5:55 pm-2:43 pm

2 stops35h 48m

$778

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 5/14

5:30 pm-10:45 pm

2 stops38h 15m

Hong Kong Intl

Wed 6/10

12:45 am-2:50 pm

2 stops29h 05m

$784

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 4/27

7:35 am-10:45 pm

2 stops24h 10m

Hong Kong Intl

Tue 5/12

5:55 pm-3:05 pm

2 stops36h 10m

$813

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 9/17

7:20 am-10:45 pm

2 stops24h 25m

Hong Kong Intl

Sun 9/20

12:45 am-3:24 pm

2 stops29h 39m

$818

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 4/12

1:00 pm-10:55 am

1 stop30h 55m

Hong Kong Intl

Tue 4/21

12:45 am-1:07 pm

1 stop27h 22m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 23 resultsSorted by cheapest first
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 March 13, 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 $475). 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.

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 March 22, 2026.
Read reviews from past customers who have flown EVA Air,Asiana Airlines, andCathay Pacific 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
1,381 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.5

Food

8.1

Boarding

8.4

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?
EVA Air
8.5
Very good
1,381 reviews
EVA Air
8.5
Very good
1,381 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.5

Food

8.1

Boarding

8.4

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?
Asiana Airlines
8.1
Very good
506 reviews
EVA Air
8.5
Very good
1,381 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.5

Food

8.1

Boarding

8.4

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?
Cathay Pacific
7.6
Good
1,222 reviews
EVA Air
8.5
Very good
1,381 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.5

Food

8.1

Boarding

8.4

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?
United Airlines
7.4
Good
9,458 reviews
EVA Air
8.5
Very good
1,381 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.5

Food

8.1

Boarding

8.4

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?
Air Canada
7.1
Good
10,834 reviews
EVA Air
8.5
Very good
1,381 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.5

Food

8.1

Boarding

8.4

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 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 popular is this Seattle to Hong Kong flight route?

    The Seattle/Tacoma Intl to Hong Kong flight path was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Asiana Airlines, Korean Air, and Delta 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 17h 10m. 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 $1,387, our data shows the cheapest flight currently is $341. When looking at the most popular route, (Seattle/Tacoma Intl - Hong Kong Intl), you can expect to pay $551 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, January is the cheapest month in which you can book a flight from Seattle to Hong Kong (average of $475). 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

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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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$475Average$647FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$761FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$580Average$699FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$596Average$775FlexibilityNo cancel feeOn-time81%
ANACheapest$597Average$701FlexibilityNo cancel feeOn-time80%
Philippine AirlinesCheapest$603Average$656FlexibilityNo cancel feeOn-time60%
DeltaCheapest$622Average$750FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$633Average$816FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$687Average$905FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$742Average$813FlexibilityNo cancel feeOn-time70%

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