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Cheap flights from Seattle to Hong Kong from $280

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 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
5:10 pm - 5:45 am
SEA
-
HKG
44h 35m2 stops
ANA Logo
2:20 pm - 1:20 pm
HKG
-
SEA
15h 00m1 stop
$679ANA
Sat, Jan 24 - Fri, Feb 6
Korean Air Logo
7:10 am - 11:20 am
SEA
-
HKG
36h 10m2 stops
Korean Air Logo
6:10 pm - 9:00 am
HKG
-
SEA
30h 50m1 stop
$680Korean Air
Fri, Feb 13 - Fri, Feb 20
United Airlines Logo
7:05 am - 6:45 am
SEA
-
HKG
31h 40m1 stop
United Airlines Logo
2:20 pm - 1:20 pm
HKG
-
SEA
15h 00m1 stop
$681United Airlines
Sat, Jan 3 - Wed, Jan 21
ANA Logo
6:18 am - 10:50 pm
SEA
-
HKG
24h 32m2 stops
ANA Logo
2:20 pm - 1:20 pm
HKG
-
SEA
15h 00m1 stop
$682ANA
Thu, Jan 29 - Fri, Feb 6
United Airlines Logo
5:00 am - 7:20 pm
SEA
-
HKG
23h 20m2 stops
United Airlines Logo
11:45 am - 2:38 pm
HKG
-
SEA
17h 53m1 stop
$683United Airlines
Tue, Mar 17 - Fri, Apr 10
United Airlines Logo
7:05 am - 6:45 am
SEA
-
HKG
31h 40m1 stop
United Airlines Logo
10:35 am - 11:18 am
HKG
-
SEA
16h 43m1 stop
$685United Airlines
Sat, Jan 3 - Tue, Feb 17
United Airlines Logo
5:00 am - 6:45 am
SEA
-
HKG
33h 45m1 stop
United Airlines Logo
2:20 pm - 12:59 am
HKG
-
SEA
26h 39m2 stops
$686United Airlines
Sat, Jan 3 - Thu, Jan 15
Korean Air Logo
7:15 am - 11:10 pm
SEA
-
HKG
23h 55m2 stops
Korean Air Logo
12:55 am - 2:54 pm
HKG
-
SEA
29h 59m2 stops
$687Korean Air
Fri, Jan 9 - Tue, Jan 20
United Airlines Logo
5:10 pm - 12:55 pm
SEA
-
HKG
27h 45m2 stops
United Airlines Logo
10:00 am - 1:20 pm
HKG
-
SEA
19h 20m1 stop
$688United Airlines
Sat, Feb 7 - Fri, Mar 6
ANA Logo
3:45 pm - 12:55 pm
SEA
-
HKG
29h 10m1 stop
ANA Logo
12:05 am - 9:12 pm
HKG
-
SEA
37h 07m2 stops
$689ANA
Mon, Jan 5 - Thu, Jan 29

ANA flights from Seattle to Hong Kong

Our best ANA deals on Seattle to Hong Kong flight tickets
ANA
Jan 24
SEA5:10 pmSeattle/Tacoma Intl
44h 35m
2 stops
HKG5:45 amHong Kong Intl
Feb 6
HKG2:20 pmHong Kong Intl
15h 00m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$679
Find similar
ANA
Jan 29
SEA6:18 amSeattle/Tacoma Intl
24h 32m
2 stops
HKG10:50 pmHong Kong Intl
Feb 6
HKG2:20 pmHong Kong Intl
15h 00m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$682
Find similar
ANA
Jan 5
SEA3:45 pmSeattle/Tacoma Intl
29h 10m
1 stop
HKG12:55 pmHong Kong Intl
Jan 29
HKG12:05 amHong Kong Intl
37h 07m
2 stops
SEA9:12 pmSeattle/Tacoma Intl
$689
Find similar

Korean Air flights from Seattle to Hong Kong

Our best Korean Air deals on Seattle to Hong Kong flight tickets
Korean Air
Feb 13
SEA7:10 amSeattle/Tacoma Intl
36h 10m
2 stops
HKG11:20 amHong Kong Intl
Feb 20
HKG6:10 pmHong Kong Intl
30h 50m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$680
Find similar
Korean Air
Jan 9
SEA7:15 amSeattle/Tacoma Intl
23h 55m
2 stops
HKG11:10 pmHong Kong Intl
Jan 20
HKG12:55 amHong Kong Intl
29h 59m
2 stops
SEA2:54 pmSeattle/Tacoma Intl
$687
Find similar
Korean Air
Feb 14
SEA7:10 amSeattle/Tacoma Intl
24h 00m
2 stops
HKG11:10 pmHong Kong Intl
Feb 20
HKG12:35 pmHong Kong Intl
23h 55m
2 stops
SEA8:30 pmSeattle/Tacoma Intl
$691
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 December 9, 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

Sat 1/24

5:10 pm-5:45 am

2 stops44h 35m

Hong Kong Intl

Fri 2/6

2:20 pm-1:20 pm

1 stop15h 00m

$679

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 2/13

7:10 am-11:20 am

2 stops36h 10m

Hong Kong Intl

Fri 2/20

6:10 pm-9:00 am

1 stop30h 50m

$680

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 1/3

7:05 am-6:45 am

1 stop31h 40m

Hong Kong Intl

Wed 1/21

2:20 pm-1:20 pm

1 stop15h 00m

$681

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 1/29

6:18 am-10:50 pm

2 stops24h 32m

Hong Kong Intl

Fri 2/6

2:20 pm-1:20 pm

1 stop15h 00m

$682

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 3/17

5:00 am-7:20 pm

2 stops23h 20m

Hong Kong Intl

Fri 4/10

11:45 am-2:38 pm

1 stop17h 53m

$683

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 1/3

7:05 am-6:45 am

1 stop31h 40m

Hong Kong Intl

Tue 2/17

10:35 am-11:18 am

1 stop16h 43m

$685

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 1/3

5:00 am-6:45 am

1 stop33h 45m

Hong Kong Intl

Thu 1/15

2:20 pm-12:59 am

2 stops26h 39m

$686

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 1/9

7:15 am-11:10 pm

2 stops23h 55m

Hong Kong Intl

Tue 1/20

12:55 am-2:54 pm

2 stops29h 59m

$687

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 2/7

5:10 pm-12:55 pm

2 stops27h 45m

Hong Kong Intl

Fri 3/6

10:00 am-1:20 pm

1 stop19h 20m

$688

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 1/5

3:45 pm-12:55 pm

1 stop29h 10m

Hong Kong Intl

Thu 1/29

12:05 am-9:12 pm

2 stops37h 07m

$689

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 November is, on average, the cheapest month to fly to Hong Kong from Seattle, with most prices found around $726. The month of August is another great option to travel to Hong Kong, with average flight prices from Seattle averaging around $784.

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 Wednesday. Travelers who choose to depart for Hong Kong on a Wednesday will often find tickets for as low as $823. The most expensive day to fly to Hong Kong is Sunday, with ticket prices averaging around $1,008.

What is the cheapest Seattle/Tacoma Intl to Hong Kong Intl flight route?

Fly from Seattle/Tacoma Intl to Hong Kong Intl for the best Seattle/Tacoma Intl - Hong Kong Intl flight prices

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 $841 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 $716 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Hong Kong Intl flights?

There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to Hong Kong Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of December 2025, prices for Seattle to Hong Kong flights are approximately 42% 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

$905

Fastest flight time

13h 30m

Direct flights

Tue, Wed, Thu, Fri and Sun

Airports in Hong Kong

1 airport
The best flight deal from Seattle to Hong Kong found on momondo in the last 72 hours is $905
The fastest flight from Seattle to Hong Kong takes 13h 30m
Direct flights go from Seattle to Hong Kong on Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.
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 19h 15m.

  • 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 plane model from Seattle to Hong Kong?

  • 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 $498Free CancellationRating
7.1
10,515 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $569Free CancellationRating
8.3
1,651 reviews
Search Japan Airlines flights
Philippine AirlinesPriceFrom $603Free CancellationRating
7.3
940 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $632Free CancellationRating
8.2
492 reviews
Search Asiana Airlines flights
DeltaPriceFrom $669Free CancellationRating
7.9
8,007 reviews
Search Delta flights
Korean AirPriceFrom $674Free CancellationRating
8.4
1,183 reviews
Search Korean Air flights
ANAPriceFrom $674Free CancellationRating
8.4
1,020 reviews
Search ANA flights
United AirlinesPriceFrom $703Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
China AirlinesPriceFrom $755Free CancellationRating
8.2
788 reviews
Search China Airlines flights
STARLUX AirlinesPriceFrom $814Free CancellationRating
8.9
243 reviews
Search STARLUX 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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Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Air Canada
EVA Air
Asiana Airlines
China Airlines
United Airlines
Japan Airlines
Delta
Korean Air
ANA
Cathay Pacific
Philippine Airlines