SEA - HKG

Find cheap flights from Seattle to Hong Kong

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Hong Kong

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hong Kong, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hong Kong, as well as popular online travel agencies
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Everything you should know

Direct flights
5 days a week
Mon, Tue, Wed, Thu, Sat
You can fly direct with Cathay Pacific. Average duration is 14h 00m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg C$ 1,010 (round-trip)
Shortest trip • 17h 28m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 16% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
Good to know
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Hong Kong!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Hong Kong (SEA-HKG)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Hong Kong that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Hong Kong

Multiple Airlines Logo
SEA
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HKG
16793 kmmulti-stop
Multiple Airlines Logo
HKG
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SEA
16793 kmmulti-stop
Multiple Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Hong Kong flights

Get data-powered insights and trends into flights from Seattle to Hong Kong to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Hong Kong?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Hong Kong, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Hong Kong is January, where tickets cost C$ 885 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is C$ 1,233 and C$ 1,226 respectively.

Can I save money by flying with a layover from Seattle to Hong Kong?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at C$ 945 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Hong Kong, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Hong Kong, you should book around 3 weeks before departure, which saves you about 16% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Good to know

Low seasonJanuary
Best time to beat the crowds (18% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.

When to book flights from Seattle to Hong Kong

Are your dates flexible? Find out the best times to travel from Seattle to Hong Kong based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Hong Kong

  • Which pets can I bring aboard Cathay Pacific on flights from Seattle to Hong Kong?

    Cathay Pacific allows small dogs, cats, and household birds to travel in the cabin on flights from Seattle to Hong Kong. The combined weight of the pet and its carrier must not exceed 17 lbs. Additionally, the carrier dimensions must not exceed 22 x 14 inches, and 9 inches in height.

  • Does Cathay Pacific have kid-friendly amenities on flights from Seattle to Hong Kong?

    Yes, Cathay Pacific offers kid-friendly amenities on flights from Seattle to Hong Kong. They provide special services for children, including children's meals, activity kits, and in-flight entertainment options suitable for young travelers. The children's meals are designed to cater to their taste preferences and nutritional needs. The activity kits often include coloring books, puzzles, and other engaging items to keep kids entertained during the flight.

  • Can I pre-select seats on Cathay Pacific on flights from Seattle to Hong Kong?

    Yes, on flights from Seattle to Hong Kong with Cathay Pacific, passengers have the option to pre-select seats. Cathay Pacific offers different types of seating arrangements, including Standard, Preferred, and Extra Legroom seats.

  • Does Cathay Pacific support sustainability travel on flights from Seattle to Hong Kong?

    Yes, Cathay Pacific supports sustainability travel on flights from Seattle to Hong Kong. The airline has implemented various initiatives to promote environmental responsibility, including reducing carbon emissions and minimizing waste. Cathay Pacific uses advanced fuel-efficient aircraft and adopts sustainable practices in operations. It also supports recycling programs and focuses on responsible sourcing.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Hong Kong?

    Delta, and Alaska Airlines offer inflight Wi-Fi service on the Seattle to Hong Kong flight route.

  • Which aircraft models fly most regularly from Seattle to Hong Kong?

    The Airbus A350-900 is the aircraft model that flies most regularly on the Seattle to Hong Kong flight route.

  • Which airline alliances offer flights from Seattle to Hong Kong?

    Star Alliance is the only airline alliance operating flights between Seattle and Hong Kong.

  • On which days can I fly direct from Seattle to Hong Kong?

    You can catch a direct flight from Seattle to Hong Kong on on Monday, Tuesday, Wednesday, Thursday, and Saturday.

  • Which is the best airline for flights from Seattle to Hong Kong, Asiana Airlines or United Airlines?

    The two airlines most popular with KAYAK users for flights from Seattle to Hong Kong are Asiana Airlines and United Airlines. With an average price for the route of C$ 1,051 and an overall rating of 8.1, Asiana Airlines is the most popular choice. United Airlines is also a great choice for the route, with an average price of C$ 1,990 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Seattle to Hong Kong?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Hong Kong.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Hong Kong?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hong Kong from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Hong Kong?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hong Kong with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Hong Kong?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hong Kong from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Hong Kong

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 779 or less one-way and C$ 1,556 or less round-trip.
  • Cathay Pacific offers a range of special meals on flights from Seattle to Hong Kong to accommodate passengers with dietary restrictions and preferences. These include vegetarian meals, vegan meals, gluten-intolerant meals, low-calorie meals, low-fat meals, diabetic meals, and lactose-free meals.
  • Cathay Pacific, Delta Air Lines, and United Airlines commonly offer layovers on flights from Seattle to Hong Kong. Cathay Pacific typically has layovers at their hub in Hong Kong International Airport (HKG). Delta Air Lines often provides layovers at their hubs in Minneapolis-Saint Paul International Airport (MSP) or Detroit Metropolitan Wayne County Airport (DTW). United Airlines commonly offers layovers at their hubs in San Francisco International Airport (SFO), Los Angeles International Airport (LAX), or Chicago O'Hare International Airport (ORD).
  • Delta Air Lines offers assistance to disabled passengers on flights from Seattle to Hong Kong. They provide services such as wheelchair assistance, priority boarding, and trained staff to ensure a comfortable journey. Passengers with disabilities can request these services in advance or at the time of check-in. Cathay Pacific also accommodates passengers with visual or hearing impairments by providing accessible in-flight entertainment options and safety briefings.
  • Cathay Pacific also offers seat upgrade options on flights from Seattle to Hong Kong. Passengers can choose to upgrade their seats to Premium Economy Class, Business Class, or First Class, depending on availability and fare class. Premium Economy Class offers enhanced comfort and amenities, Business Class provides additional space, privacy, and premium services, while First Class offers the highest level of luxury, privacy, and personalized services.
  • Moreover, Cathay Pacific offers a comprehensive in-flight entertainment system on flights from Seattle to Hong Kong. Passengers can enjoy the StudioCX entertainment system, which includes a wide selection of movies, TV shows, music, and games. The system features personal seatback screens with touchscreen functionality, allowing travelers to browse and choose from an extensive library of entertainment content.

Prefer to fly direct from Seattle to Hong Kong?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Seattle/Tacoma Intl to Hong Kong Intl.
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Hong Kong Intl

Monday

Cathay Pacific

Cathay Pacific

Tuesday

Cathay Pacific

Cathay Pacific

Wednesday

Cathay Pacific

Cathay Pacific

Thursday

Cathay Pacific

Cathay Pacific

Saturday

Cathay Pacific

Cathay Pacific

See more nonstop flights

Direct returns

Hong Kong Intl to Seattle/Tacoma Intl

Monday

Cathay Pacific

Cathay Pacific

Tuesday

Cathay Pacific

Cathay Pacific

Wednesday

Cathay Pacific

Cathay Pacific

Thursday

Cathay Pacific

Cathay Pacific

Saturday

Cathay Pacific

Cathay Pacific

See more nonstop flights

Reviews of the top 3 airlines flying from Seattle to Hong Kong

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Hong Kong. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Hong Kong? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Asiana AirlinesOverall score based on 527 reviews
8.0Comfort
7.6Entertainment
8.5Crew
8.0Food
8.3Boarding
Airline reviews

Humm, I should have known that the seat I peaked on my flight from Inchon to Manila was designed for a toddler or very small person.

8.0 ExcellentYony, Apr 2026
JFK - ICN
Read more Asiana Airlines reviews

Humm, I should have known that the seat I peaked on my flight from Inchon to Manila was designed for a toddler or very small person.

The staff hold my luggage to steel and exchange my stub, i was very disappointed.

Kayak along with airfare assay are attempting to steal my money. Charges are being pressed.

Customer service and attention to details. The food was good.

Food could be better it was okay. Entertainment seems dated it was something but in this day and age could be a lot better.

I’d have rated Asiana good except an unfortunate incident in which I felt one of your employee didn’t really help us. During the first leg of the trip, the flight from LAX to ICN, I left my backpack on the plane. When I realized, I reported to one of your employee who promised me that it’d be taken care of, that my backpack will be there at HCM city. When we arrived there, HCM people had no idea and my backpack was still at Incheon airport who denied any knowledge whatsoever. I was left in the cold and felt helpless. I was very disappointed. I’d like someone to look into this and let me know.

It was my first time flying Asiana but i was very pleased with how professional and understanding the flight crew is with little kids. One flight attendant held my 3 year old daughter’s hand guiding her to the exit after landing while i had my hands full with luggage and my infant. She was very helpful.

The customer service was excellent. They noticed that our connecting flight was scheduled too closely for us to complete customs, so they changed the flight. Our initial flight was delayed, and they were able to get us on another flight, all without charging us any additional fees. I would fly them again anytime!

Better screens, it would have been nice to have more comfortable seats.

2nd major delay due to maintenance issues. 1st delay missed my connecting flight.

Cree was organized and pleasant. Plane had good seating but as it’s a shuttle toilets hadn’t been thoroughly cleaned (eg. bins too full)

I liked that my son and I were reseated next to each other (we had different bookings). I liked that it was a directg flight and mostly on time. I liked that you provided pillows and blankets. Flight attendants were generally courteous. The messaging through wifi did not work well. The food was not good. Seats are very narrow and I felt slightly claustraphobic in the window seat.

Overall a good experience, but no wifi available for free or for purchase and we got wet from condensation or other water source during descent.

Some crew were unfriendly or in some cases just straight up rude.

Booked through Kayak Business, had a seat in middle and towards back due to booking rate, not comfortable.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

A long delay. Don't travel late in the day.

Super friendly with lots of drink options an entertainment. Friendly crew.

Standard flight with a drinks and a snack- overall very quick flight. The flight attendants were very strict, bordered on rude.

Outstanding service, efficient & friendly crew, flight was safe, comfortable & on time

I did not like anything because the flight was cancelled yesterday and I did not get to arrive on time in Toronto as I was rebooked with another airline. This caused me to be really stressed out as I am an individual with back injury and to be forced to stay longer in an airport to accommodate a change of airline and the transfers associated with it Due to this I am probably not going to book through your website to eliminate this potentially chaos in the future

shittiest airline in the hemisphere. To improve - start thinking you're flying people, not cattle

Easy boarding, inflight refreshments came on time and comfortable seat

It was good that our flight left early. It was a nice smooth flight and landing.

All good……but luggage didn’t make it on the airplane. Had to wait 3 days. Was a bummer.

Small suitcase used for carryon the last time was refused by boarding crew this time. Appears to be at the discretion and mood of the person on the day. Flight was only half booked, there would have been no problem with space.

It was a problem because there was a delay where we sat before taking off from newark,then when landed in Toronto we sat on tarmac and they wouldn't let us out for a long period of time. When we finally were released to the airport in Toronto the attendant scanned our boarding pass that we were here for our connection to Brazil. We ran all the way to the gate and they said at the gate the door is shut so we can not let you on the plane. We explained that we were checked in by the attendant when we arrived at Toronto airport to go to Brazil and they should not have shut the door. We were ignored at the gate

Flight home was delayed multiple times, did not get home until 2am

the check-in lady at ORD was extremely rude and unprofessional. very disappointed as it was supposed to be a celebration for my wife's birthday and it really put a damper on things. if i wanted to be treated like trash, i would have flown Economy! (as opposed to business class)

My original flight was cancelled and then rebooked four hours later on a recovery flight, but I was checked in as stanby and had no seats so as a family of four we were concerned about not being seated altogether. Our flight then got delayed by another 1.5 hours and when seats were assigned at the gate, three of the four of us were together and we could get my wife closer, they offered no assistance.

Everything you need to know for your flight from Seattle to Hong Kong

Information on your arrival and departure airports