$349 Cheap Air Canada flights Seattle (SEA) to Hong Kong (HKG)

Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Air Canada round-trip flights from $611 from SEA to HKG. Affordable one-way fares from $349 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Start your search for Air Canada flights from SEA to HKG about one month before you want to leave. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your ticket type or itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

To find the earliest departure from SEA to HKG with Air Canada, sort your results by "Early Morning" and "Morning." Booking an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Air Canada makes flying from SEA to HKG more comfortable with top-tier customer service and a 4-star airline rating. You also have the chance to earn points with Air Canada Aeroplan. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.