What is the cheapest airline that flies from Washington to Hong Kong Intl?

Air Canada, Asiana Airlines, and Delta are the most popular carriers operating from Washington to Hong Kong Intl

What airlines fly to Hong Kong?

Asiana Airlines, Air Canada and EVA Air are the top three most popular airlines that fly to Hong Kong from State of Washington according to our data. Asiana Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 12 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Hong Kong?

On average, it takes 18h 26m to fly from State of Washington to Hong Kong if you fly out of Seattle (the most popular airport in State of Washington) and into Hong Kong (the most popular airport in Hong Kong). If you’re flying out of Pasco and into Hong Kong, then the flight time is around 21h 14m.

When did momondo last update prices for flights from Washington to Hong Kong Intl Airport?

Prices for flights from Washington to Hong Kong Intl Airport were last updated today.

How many operators does momondo search for flights from Washington to Hong Kong Intl Airport?

As of August 2025, there are 12 operators available to choose from for flights from Washington to Hong Kong Intl Airport.

How old do you have to be to fly from Washington to Hong Kong Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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.

$323 Cheap Flights from Washington to Hong Kong in 2025

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Round-trip

One-way

Last minute

Cheap round-trip flights

2:55 pm - 4:35 amSEA-HKG

22h 40m1 stop

6:00 pm - 9:22 amHKG-SEA

30h 22m1 stop

$593Air Canada

Find Deal

Mon, Sep 1 - Thu, Sep 18

10:00 am - 4:35 amSEA-HKG

27h 35m1 stop

9:30 am - 10:16 pmHKG-SEA

27h 46m2 stops

$597Air Canada

Find Deal

Mon, Sep 1 - Thu, Sep 18

8:00 pm - 6:40 pmSEA-HKG

30h 40m1 stop

2:45 am - 3:01 pmHKG-SEA

27h 16m2 stops

$624

Find Deal

Mon, Jan 5 - Sun, Mar 15

10:05 am - 6:40 pmSEA-HKG

16h 35m1 stop

2:00 am - 9:31 amHKG-SEA

47h 31m2 stops

$631

Find Deal

Thu, Jan 1 - Wed, Feb 25

12:10 am - 11:50 amSEA-HKG

19h 40m1 stop

1:15 pm - 1:55 pmHKG-SEA

16h 40m1 stop

$664Asiana Airlines

Find Deal

Sat, Dec 6 - Tue, Jan 13

12:10 am - 10:30 pmSEA-HKG

30h 20m1 stop

1:15 pm - 1:55 pmHKG-SEA

16h 40m1 stop

$666Asiana Airlines

Find Deal

Sun, Nov 9 - Mon, Dec 15

12:50 pm - 4:20 pmSEA-HKG

36h 30m1 stop

12:45 am - 10:40 amHKG-SEA

24h 55m1 stop

$668Korean Air

Find Deal

Thu, Sep 18 - Wed, Sep 24

11:35 pm - 5:20 pmSEA-HKG

26h 45m1 stop

10:45 pm - 6:35 pmHKG-SEA

35h 50m1 stop

$670Philippine Airlines

Find Deal

Wed, Oct 8 - Tue, Nov 18

9:30 pm - 12:30 pmSEA-HKG

23h 00m1 stop

6:55 pm - 7:35 pmHKG-SEA

15h 40m1 stop

$675Philippine Airlines

Find Deal

Wed, Jan 7 - Tue, Mar 17

9:17 am - 10:30 pmPDX-HKG

22h 13m2 stops

12:45 am - 4:02 pmHKG-PDX

30h 17m2 stops

$825Korean Air

Find Deal

Thu, Sep 25 - Sun, Sep 28

Air Canada flights from State of Washington to Hong Kong

Our best Air Canada deals on State of Washington to Hong Kong flight tickets

Air Canada

Sep 1

SEA2:55 pmSeattle/Tacoma Intl

22h 40m

1 stop

HKG4:35 amHong Kong Intl

Sep 18

HKG6:00 pmHong Kong Intl

30h 22m

1 stop

SEA9:22 amSeattle/Tacoma Intl

$593

Find similar

Air Canada

Sep 1

SEA10:00 amSeattle/Tacoma Intl

27h 35m

1 stop

HKG4:35 amHong Kong Intl

Sep 18

HKG9:30 amHong Kong Intl

27h 46m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$597

Find similar

Air Canada

Sep 6

SEA7:15 pmSeattle/Tacoma Intl

29h 50m

1 stop

HKG4:05 pmHong Kong Intl

Oct 8

HKG6:00 pmHong Kong Intl

19h 16m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$603

Find similar

Asiana Airlines flights from State of Washington to Hong Kong

Our best Asiana Airlines deals on State of Washington to Hong Kong flight tickets

Asiana Airlines

Dec 6

SEA12:10 amSeattle/Tacoma Intl

19h 40m

1 stop

HKG11:50 amHong Kong Intl

Jan 13

HKG1:15 pmHong Kong Intl

16h 40m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

$664

Find similar

Asiana Airlines

Nov 9

SEA12:10 amSeattle/Tacoma Intl

30h 20m

1 stop

HKG10:30 pmHong Kong Intl

Dec 15

HKG1:15 pmHong Kong Intl

16h 40m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

$666

Find similar

Asiana Airlines

Oct 27

SEA12:10 amSeattle/Tacoma Intl

31h 20m

1 stop

HKG10:30 pmHong Kong Intl

Nov 24

HKG12:30 amHong Kong Intl

29h 25m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

$667

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 9/1

2:55 pm-4:35 am

1 stop22h 40m

Hong Kong Intl

Thu 9/18

6:00 pm-9:22 am

1 stop30h 22m

$593

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 9/1

10:00 am-4:35 am

1 stop27h 35m

Hong Kong Intl

Thu 9/18

9:30 am-10:16 pm

2 stops27h 46m

$597

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 1/5

8:00 pm-6:40 pm

1 stop30h 40m

Hong Kong Intl

Sun 3/15

2:45 am-3:01 pm

2 stops27h 16m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 1/1

10:05 am-6:40 pm

1 stop16h 35m

Hong Kong Intl

Wed 2/25

2:00 am-9:31 am

2 stops47h 31m

$631

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sat 12/6

12:10 am-11:50 am

1 stop19h 40m

Hong Kong Intl

Tue 1/13

1:15 pm-1:55 pm

1 stop16h 40m

$664

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 11/9

12:10 am-10:30 pm

1 stop30h 20m

Hong Kong Intl

Mon 12/15

1:15 pm-1:55 pm

1 stop16h 40m

$666

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 9/18

12:50 pm-4:20 pm

1 stop36h 30m

Hong Kong Intl

Wed 9/24

12:45 am-10:40 am

1 stop24h 55m

$668

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 10/8

11:35 pm-5:20 pm

1 stop26h 45m

Hong Kong Intl

Tue 11/18

10:45 pm-6:35 pm

1 stop35h 50m

$670

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 1/7

9:30 pm-12:30 pm

1 stop23h 00m

Hong Kong Intl

Tue 3/17

6:55 pm-7:35 pm

1 stop15h 40m

$675

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 9/25

9:17 am-10:30 pm

2 stops22h 13m

Hong Kong Intl

Sun 9/28

12:45 am-4:02 pm

2 stops30h 17m

$825

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Prices

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Other information

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 State of Washington, with most prices found around $743. The month of April is another great option to travel to Hong Kong, with average flight prices from State of Washington averaging around $793.

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

The cheapest day to depart from State of Washington 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 State of Washington 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 State of Washington for as low as $785 on momondo.

Can stopping save me money on State of Washington to Hong Kong flights?

You could potentially save up to 27% on your flight if you consider stops on a State of Washington to Hong Kong flight.

Cheap State of Washington to Hong Kong flight deals and tips

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

Best Price Found	$323
Fastest flight time	16h 35m
Direct flights	None
Airports in Hong Kong	1 airport

The best one-way flight to Hong Kong from State of Washington in the past 72 hours is $323. The best round-trip flight deal from State of Washington to Hong Kong found on momondo in the last 72 hours is $593.

The fastest flight from State of Washington to Hong Kong takes 16h 35m

There are no direct flights from State of Washington to Hong Kong. Popular non-direct routes for this connection are Portland Airport - Hong Kong Intl Airport and Seattle/Tacoma Intl Airport - Hong Kong Intl Airport.

There is 1 airport near Hong Kong: Hong Kong Intl (HKG)

Search flight deals

When did momondo last update prices for flights from Washington to Hong Kong Intl Airport?
Prices for flights from Washington to Hong Kong Intl Airport were last updated today.
How many operators does momondo search for flights from Washington to Hong Kong Intl Airport?
As of August 2025, there are 12 operators available to choose from for flights from Washington to Hong Kong Intl Airport.
How old do you have to be to fly from Washington to Hong Kong Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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.

Best airlines flying from State of Washington to Hong Kong

Compare and see reviews for airlines that fly from State of Washington to Hong Kong with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $549	Free Cancellation	Rating 7.1 9,915 reviews	Search Air Canada flights
Japan Airlines	PriceFrom $570	Free Cancellation	Rating 8.3 1,545 reviews	Search Japan Airlines flights
Asiana Airlines	PriceFrom $664	Free Cancellation	Rating 8.2 473 reviews	Search Asiana Airlines flights
Philippine Airlines	PriceFrom $665	Free Cancellation	Rating 7.2 894 reviews	Search Philippine Airlines flights
ANA	PriceFrom $674	Free Cancellation	Rating 8.4 930 reviews	Search ANA flights
Korean Air	PriceFrom $684	Free Cancellation	Rating 8.4 1,129 reviews	Search Korean Air flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 8,920 reviews	Search United Airlines flights
Delta	PriceFrom $774	Free Cancellation	Rating 8.0 7,979 reviews	Search Delta flights
Cathay Pacific	PriceFrom $774	Free Cancellation	Rating 7.6 965 reviews	Search Cathay Pacific flights
China Airlines	PriceFrom $775	Free Cancellation	Rating 8.3 760 reviews	Search China Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington to Hong Kong for you.

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

All flight searches from Washington to Hong Kong on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Washington and Hong Kong by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington 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 Washington and alert you when they change.

An easier way to manage your Hong Kong trip

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Cheap flights from Washington to Hong Kong from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Hong Kong departing on 9/18. 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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Big names and deals

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Filter for what you want

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Trusted and free

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Find the cheapest flights from Washington to Hong Kong

Cheap round-trip flights

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Air Canada flights from State of Washington to Hong Kong

Our best Air Canada deals on State of Washington to Hong Kong flight tickets

Asiana Airlines flights from State of Washington to Hong Kong

Our best Asiana Airlines deals on State of Washington to Hong Kong flight tickets

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How to get the cheapest flight ticket from State of Washington 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 State of Washington, with most prices found around $743. The month of April is another great option to travel to Hong Kong, with average flight prices from State of Washington averaging around $793.

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

The cheapest day to depart from State of Washington 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?

Can stopping save me money on State of Washington to Hong Kong flights?

You could potentially save up to 27% on your flight if you consider stops on a State of Washington to Hong Kong flight.

What is the cheapest airline that flies from Washington to Hong Kong Intl?

Air Canada, Asiana Airlines, and Delta are the most popular carriers operating from Washington to Hong Kong Intl

What airlines fly to Hong Kong?

How long does it take to fly to Hong Kong?

Cheap State of Washington to Hong Kong flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Hong Kong

When did momondo last update prices for flights from Washington to Hong Kong Intl Airport?

How many operators does momondo search for flights from Washington to Hong Kong Intl Airport?

How old do you have to be to fly from Washington to Hong Kong Intl Airport?

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

Best airlines flying from State of Washington to Hong Kong

Compare and see reviews for airlines that fly from State of Washington to Hong Kong with momondo

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo