Cheap Flights to King County | Popular Routes to King County from HK$843

Popular airlines to King County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

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Cheap round-trip flights to King County

Prices were available within the past 7 days and start at HK$843 for one-way flights and HK$1,686 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Harbour Air Seaplanes
Sat, 1 Aug - Mon, 3 Aug
CXH
Vancouver
LKE
Seattle
HK$1,686 Return, found 4 days ago
HK$1,686
Return
found 4 days ago
Select Harbour Air Seaplanes flight, departing Sat, 1 Aug from Vancouver to Seattle, returning Mon, 3 Aug, priced at HK$1,686 found 4 days ago
Harbour Air Seaplanes
Fri, 10 Oct - Sun, 12 Oct
CXH
Vancouver
LKE
Seattle
HK$2,375 Return, found 2 hours ago
HK$2,375
Return
found 2 hours ago
Select Harbour Air Seaplanes flight, departing Fri, 10 Oct from Vancouver to Seattle, returning Sun, 12 Oct, priced at HK$2,375 found 2 hours ago
Harbour Air Seaplanes
Sat, 11 Oct - Mon, 13 Oct
CXH
Vancouver
LKE
Seattle
HK$2,380 Return, found 6 days ago
HK$2,380
Return
found 6 days ago
Select Harbour Air Seaplanes flight, departing Sat, 11 Oct from Vancouver to Seattle, returning Mon, 13 Oct, priced at HK$2,380 found 6 days ago
Expedia offers flights to King County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to King County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to King County that have flexible change policies?
We know that things can change in the blink of an eye, so locking in a flexible ticket with Expedia is always a clever idea. Tick the "No change fee" box underneath the "Flexible change policies" filter. Your low-cost, flexible flight to King County is only a few clicks away.
Which airlines fly to King County?
When you're ready to book your ticket to or near King County, these carriers look forward to welcoming you on board:

  • Alaska Airlines - 8,781 flights to or near King County each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 4,186 flights to or near King County each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 828 flights to or near King County each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to King County?
Book in advance, fly in or out of nearby airports, avoid peak travel periods — there are plenty of ways! One more is to take advantage of Expedia's "flexible dates" feature. Search for your King County flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to King County was HK$1,686.
How much is a flight to King County?
There were plenty of affordable fares for the taking in the last seven days, with the price of a return flight to King County ranging between HK$1,686 and HK$4,503. Many lucky travellers nabbed one-way tickets from Vancouver (CXH) for only HK$843.
What are the most popular airports to fly into in King County?
Depending on which carrier you travel with and departure city, one of these leading airports will be your entry point to King County:

  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.
  • Boeing Field Airport (BFI) - 247 flights per month.

When is the cheapest time to fly to King County?
If you'd prefer to spend your money experiencing King County rather than on your flight there, depart early in the week. The most cost-effective day to travel is generally Tuesday, with Monday running a close second. With many folks traveling over the weekend, Saturday often has the highest fares.
How much is a plane ticket to King County?
In the last seven days, plane fares to King County varied from HK$1,686 to HK$4,503.
What is the best time to go to King County?
A terrific time to check out Seattle is after June 20 when summer starts. In King County's most populated city, temperatures range from 13ºC to 24ºC during this time — glorious weather for touring around! March, April and May are the most popular months for tourists.
What months are the cheapest to book a flight to King County?
February is the cheapest month to reserve a seat for your King County adventure. Airfares cost the most over the festive month of December, so steer clear of this time if possible.

Trending flights to King County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Fri, 7 Nov - Wed, 19 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$4,503 Return, found 3 days ago
HK$4,503
Return
found 3 days ago
Select Philippine Airlines flight, departing Fri, 7 Nov from Hong Kong SAR to Seattle, returning Wed, 19 Nov, priced at HK$4,503 found 3 days ago
*Available to Expedia members.