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Cheap flights from Seattle to Hong Kong from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Hong Kong departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Air Canada Logo
7:15 pm - 4:05 pmSEA-HKG
29h 50m1 stop
Air Canada Logo
6:00 pm - 6:36 pmHKG-SEA
15h 36m1 stop
$593Air Canada
Find Deal
mar., sep. 16 - mié., oct. 1
Air Canada Logo
2:55 pm - 4:05 pmSEA-HKG
34h 10m1 stop
Air Canada Logo
6:00 pm - 10:16 pmHKG-SEA
19h 16m1 stop
$594Air Canada
Find Deal
lun., ago. 25 - lun., sep. 8
Air Canada Logo
7:15 pm - 4:05 pmSEA-HKG
29h 50m1 stop
Air Canada Logo
6:00 pm - 6:36 pmHKG-SEA
15h 36m1 stop
$595Air Canada
Find Deal
dom., sep. 21 - mar., oct. 21
Logo
12:30 pm - 10:20 pmSEA-HKG
17h 50m1 stop
Logo
10:30 am - 9:55 amHKG-SEA
15h 25m1 stop
$619
Find Deal
jue., ene. 22 - jue., feb. 26
Logo
8:00 pm - 6:40 pmSEA-HKG
30h 40m1 stop
Logo
8:30 am - 3:01 pmHKG-SEA
21h 31m3 stops
$621
Find Deal
mar., ene. 6 - mar., mar. 17
Philippine Airlines Logo
9:30 pm - 12:30 pmSEA-HKG
23h 00m1 stop
Philippine Airlines Logo
6:55 pm - 7:35 pmHKG-SEA
15h 40m1 stop
$649Philippine Airlines
Find Deal
mar., ene. 6 - mar., mar. 17
Asiana Airlines Logo
12:10 am - 11:50 amSEA-HKG
19h 40m1 stop
Asiana Airlines Logo
1:15 pm - 1:55 pmHKG-SEA
16h 40m1 stop
$659Asiana Airlines
Find Deal
lun., nov. 24 - dom., dic. 7
Asiana Airlines Logo
12:10 am - 11:50 amSEA-HKG
19h 40m1 stop
Asiana Airlines Logo
1:15 pm - 1:55 pmHKG-SEA
16h 40m1 stop
$660Asiana Airlines
Find Deal
dom., nov. 2 - mar., nov. 25
Philippine Airlines Logo
10:30 pm - 12:30 pmSEA-HKG
23h 00m1 stop
Philippine Airlines Logo
11:15 am - 6:35 pmHKG-SEA
23h 20m1 stop
$662Philippine Airlines
Find Deal
dom., oct. 26 - dom., nov. 9
Korean Air Logo
12:50 pm - 10:40 amSEA-HKG
30h 50m1 stop
Korean Air Logo
12:45 am - 10:40 amHKG-SEA
24h 55m1 stop
$668Korean Air
Find Deal
mar., sep. 2 - mié., sep. 24

Air Canada flights from Seattle to Hong Kong

Our best Air Canada deals on Seattle to Hong Kong flight tickets
Air Canada
Sep 16
SEA7:15 pmSeattle/Tacoma Intl
29h 50m
1 stop
HKG4:05 pmHong Kong Intl
Oct 1
HKG6:00 pmHong Kong Intl
15h 36m
1 stop
SEA6:36 pmSeattle/Tacoma Intl
$593
Find similar
Air Canada
Aug 25
SEA2:55 pmSeattle/Tacoma Intl
34h 10m
1 stop
HKG4:05 pmHong Kong Intl
Sep 8
HKG6:00 pmHong Kong Intl
19h 16m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$594
Find similar
Air Canada
Sep 21
SEA7:15 pmSeattle/Tacoma Intl
29h 50m
1 stop
HKG4:05 pmHong Kong Intl
Oct 21
HKG6:00 pmHong Kong Intl
15h 36m
1 stop
SEA6:36 pmSeattle/Tacoma Intl
$595
Find similar

Philippine Airlines flights from Seattle to Hong Kong

Our best Philippine Airlines deals on Seattle to Hong Kong flight tickets
Philippine Airlines
Jan 6
SEA9:30 pmSeattle/Tacoma Intl
23h 00m
1 stop
HKG12:30 pmHong Kong Intl
Mar 17
HKG6:55 pmHong Kong Intl
15h 40m
1 stop
SEA7:35 pmSeattle/Tacoma Intl
$649
Find similar
Philippine Airlines
Oct 26
SEA10:30 pmSeattle/Tacoma Intl
23h 00m
1 stop
HKG12:30 pmHong Kong Intl
Nov 9
HKG11:15 amHong Kong Intl
23h 20m
1 stop
SEA6:35 pmSeattle/Tacoma Intl
$662
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated agosto 14, 2025.
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

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mar. 9/16

7:15 pm-4:05 pm

1 stop29h 50m

Hong Kong Intl

mié. 10/1

6:00 pm-6:36 pm

1 stop15h 36m

$593

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

lun. 8/25

2:55 pm-4:05 pm

1 stop34h 10m

Hong Kong Intl

lun. 9/8

6:00 pm-10:16 pm

1 stop19h 16m

$594

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

dom. 9/21

7:15 pm-4:05 pm

1 stop29h 50m

Hong Kong Intl

mar. 10/21

6:00 pm-6:36 pm

1 stop15h 36m

$595

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

jue. 1/22

12:30 pm-10:20 pm

1 stop17h 50m

Hong Kong Intl

jue. 2/26

10:30 am-9:55 am

1 stop15h 25m

$619

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mar. 1/6

8:00 pm-6:40 pm

1 stop30h 40m

Hong Kong Intl

mar. 3/17

8:30 am-3:01 pm

3 stops21h 31m

$621

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mar. 1/6

9:30 pm-12:30 pm

1 stop23h 00m

Hong Kong Intl

mar. 3/17

6:55 pm-7:35 pm

1 stop15h 40m

$649

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

lun. 11/24

12:10 am-11:50 am

1 stop19h 40m

Hong Kong Intl

dom. 12/7

1:15 pm-1:55 pm

1 stop16h 40m

$659

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

dom. 11/2

12:10 am-11:50 am

1 stop19h 40m

Hong Kong Intl

mar. 11/25

1:15 pm-1:55 pm

1 stop16h 40m

$660

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

dom. 10/26

10:30 pm-12:30 pm

1 stop23h 00m

Hong Kong Intl

dom. 11/9

11:15 am-6:35 pm

1 stop23h 20m

$662

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

mar. 9/2

12:50 pm-10:40 am

1 stop30h 50m

Hong Kong Intl

mié. 9/24

12:45 am-10:40 am

1 stop24h 55m

$668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hong Kong from

How to get the cheapest flight ticket from Seattle to Hong Kong

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Hong Kong?

The month of September is, on average, the cheapest month to fly to Hong Kong from Seattle, with most prices found around $743. The month of April is another great option to travel to Hong Kong, with average flight prices from Seattle averaging around $793.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from Seattle to Hong Kong is on a Tuesday. Travelers who choose to depart for Hong Kong on a Tuesday will often find tickets for as low as $956. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,150.

How far in advance should I book a flight to Hong Kong?

You are more likely to see cheaper flights to Hong Kong from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $865 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Seattle for as low as $785 on momondo.

How have Seattle to Hong Kong flight prices changed over time?

As of August 2025, prices for Seattle to Hong Kong flights are approximately 62% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Hong Kong

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Hong Kong according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Hong Kong (SEA to HKG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Hong Kong

Best Price Found

$276

Fastest flight time

16h 40m

Direct flights

None

Airports in Hong Kong

1 airport
The best one-way flight to Hong Kong from Seattle in the past 72 hours is $276. The best round-trip flight deal from Seattle to Hong Kong found on momondo in the last 72 hours is $593.
The fastest flight from Seattle to Hong Kong takes 16h 40m
There are no direct flights from Seattle to Hong Kong. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Hong Kong Intl Airport.
There is 1 airport near Hong Kong: Hong Kong Intl (HKG)
Search flight deals

  • How far is Seattle/Tacoma Intl to Hong Kong Intl by plane?

    There are 6465.5 mi between Seattle/Tacoma Intl and Hong Kong Intl. By plane, this route typically takes 17h 50m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport.

  • What documentation or ID do you need to fly to Hong Kong Intl Airport?

    The necessary travel and health documents for your Hong Kong Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Hong Kong?

Best airlines flying from Seattle to Hong Kong

Compare and see reviews for airlines that fly from Seattle to Hong Kong with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $549Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $570Free CancellationRating
8.3
1,545 reviews
Search Japan Airlines flights
Asiana AirlinesPriceFrom $664Free CancellationRating
8.2
473 reviews
Search Asiana Airlines flights
Philippine AirlinesPriceFrom $665Free CancellationRating
7.2
895 reviews
Search Philippine Airlines flights
ANAPriceFrom $674Free CancellationRating
8.4
933 reviews
Search ANA flights
Korean AirPriceFrom $684Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
United AirlinesPriceFrom $753Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $774Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Cathay PacificPriceFrom $774Free CancellationRating
7.6
968 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $775Free CancellationRating
8.3
762 reviews
Search China Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Hong Kong?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Hong Kong for you.

Can I find flights from Seattle to Hong Kong with flexible booking policies on momondo?

momondo does allow users to show only those flights to Hong Kong from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Hong Kong?

momondo provides multiple filters to help you find the best flight to Hong Kong from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Hong Kong right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hong Kong, momondo offers a useful price alert feature which will track prices for flights to Hong Kong from Seattle and alert you when they change.

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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