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Cheap flights from Seattle to Hong Kong from $399

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 9/9. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Hong Kong.
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
$704Air Canada
Find Deal
Wed, Sep 10 - Wed, Sep 17
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
$714Air Canada
Find Deal
Sun, Sep 7 - Wed, Sep 17
Philippine Airlines Logo
11:35 pm - 9:50 pmSEA-HKG
31h 15m1 stop
Philippine Airlines Logo
11:00 pm - 7:15 pmHKG-SEA
35h 15m1 stop
$718Philippine Airlines
Find Deal
Sun, Sep 28 - Tue, Oct 7
 Logo
2:55 pm - 4:05 pmSEA-HKG
34h 10m1 stop
 Logo
2:25 pm - 9:21 amHKG-SEA
57h 56m2 stops
Wed, Sep 17 - Sun, Sep 21
China Airlines Logo
1:40 am - 1:00 pmSEA-HKG
20h 20m1 stop
China Airlines Logo
5:30 pm - 7:20 pmHKG-SEA
16h 50m1 stop
$745China Airlines
Find Deal
Thu, Aug 21 - Mon, Sep 29
China Airlines Logo
1:10 am - 10:05 amSEA-HKG
17h 55m1 stop
China Airlines Logo
5:30 pm - 7:20 pmHKG-SEA
16h 50m1 stop
$765China Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
United Airlines Logo
6:45 am - 6:55 pmSEA-HKG
21h 10m2 stops
United Airlines Logo
2:20 pm - 1:20 pmHKG-SEA
15h 00m1 stop
$772United Airlines
Find Deal
Wed, Oct 15 - Wed, Nov 12
United Airlines Logo
5:15 am - 6:55 pmSEA-HKG
22h 40m2 stops
United Airlines Logo
2:45 pm - 2:25 pmHKG-SEA
14h 40m1 stop
$776United Airlines
Find Deal
Tue, May 6 - Fri, May 16
Japan Airlines Logo
1:30 pm - 10:00 pmSEA-HKG
41h 30m3 stops
Japan Airlines Logo
10:40 am - 4:53 pmHKG-SEA
21h 13m2 stops
$952Japan Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 24
EVA Air Logo
1:30 am - 12:05 pmSEA-HKG
19h 35m1 stop
EVA Air Logo
7:40 pm - 7:30 pmHKG-SEA
14h 50m1 stop
$972EVA Air
Find Deal
Sun, Sep 14 - Fri, Sep 26

Air Canada flights from Seattle to Hong Kong

Our best Air Canada deals on Seattle to Hong Kong flight tickets
Air Canada
Sep 10
SEA7:15 pmSeattle/Tacoma Intl
29h 50m
1 stop
HKG4:05 pmHong Kong Intl
Sep 17
HKG6:00 pmHong Kong Intl
15h 36m
1 stop
SEA6:36 pmSeattle/Tacoma Intl
Air Canada
Sep 7
SEA7:15 pmSeattle/Tacoma Intl
29h 50m
1 stop
HKG4:05 pmHong Kong Intl
Sep 17
HKG6:00 pmHong Kong Intl
15h 36m
1 stop
SEA6:36 pmSeattle/Tacoma Intl
Air Canada
Sep 3
SEA7:15 pmSeattle/Tacoma Intl
29h 50m
1 stop
HKG4:05 pmHong Kong Intl
Sep 13
HKG6:00 pmHong Kong Intl
30h 21m
1 stop
SEA9:21 amSeattle/Tacoma Intl

Japan Airlines flights from Seattle to Hong Kong

Our best Japan Airlines deals on Seattle to Hong Kong flight tickets
Japan Airlines
Apr 30
SEA8:13 amSeattle/Tacoma Intl
22h 47m
2 stops
HKG10:00 pmHong Kong Intl
May 7
HKG10:40 amHong Kong Intl
39h 40m
2 stops
SEA11:20 amSeattle/Tacoma Intl
Japan Airlines
Apr 30
SEA8:13 amSeattle/Tacoma Intl
22h 47m
2 stops
HKG10:00 pmHong Kong Intl
May 14
HKG8:10 amHong Kong Intl
29h 59m
3 stops
SEA11:09 pmSeattle/Tacoma Intl
Japan Airlines
Sep 16
SEA1:30 pmSeattle/Tacoma Intl
41h 30m
3 stops
HKG10:00 pmHong Kong Intl
Sep 24
HKG10:40 amHong Kong Intl
21h 13m
2 stops
SEA4:53 pmSeattle/Tacoma Intl

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 March is, on average, the cheapest month to fly to Hong Kong from Seattle, with most prices found around $812. The month of April is another great option to travel to Hong Kong, with average flight prices from Seattle averaging around $813.

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 14 weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $983 when searching 14 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 $845 on momondo.

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

As of April 2025, prices for Seattle to Hong Kong flights are approximately 29% 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

$399

Fastest flight time

16h 35m

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 $399. The best round-trip flight deal from Seattle to Hong Kong found on momondo in the last 72 hours is $704.
The fastest flight from Seattle to Hong Kong takes 16h 35m
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)

  • 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 16h 35m.

  • 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 $635Free CancellationRating
7.0
9,189 reviews
Search Air Canada flights
Philippine AirlinesPriceFrom $683Free CancellationRating
7.2
857 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $723Free CancellationRating
8.2
443 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $743Free CancellationRating
8.4
1,062 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $750Free CancellationRating
8.3
1,452 reviews
Search Japan Airlines flights
ANAPriceFrom $751Free CancellationRating
8.3
853 reviews
Search ANA flights
DeltaPriceFrom $774Free CancellationRating
8.0
7,920 reviews
Search Delta flights
United AirlinesPriceFrom $784Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
China AirlinesPriceFrom $796Free CancellationRating
8.3
727 reviews
Search China Airlines flights
EVA AirPriceFrom $879Free CancellationRating
8.4
1,180 reviews
Search EVA Air 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.


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