King County Flights - Book Cheap Flights to King County

View RM650 flight on Thu, 11 Jun 2026Opens in a new window

Popular airlines to King County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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Cheap round-trip flights to King County

Prices were available within the past 7 days and start at RM650 for one-way flights and RM1,095 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, 20 Jun - Sun, 28 Jun
YYC
Calgary
SEA
Seattle
RM1,095 Return, found 1 day ago
RM1,095
Return
found 1 day ago
Select Air Canada flight, departing Sat, 20 Jun from Calgary to Seattle, returning Sun, 28 Jun, priced at RM1,095 found 1 day ago
Delta
Wed, 23 Sept - Sun, 27 Sept
ORD
Chicago
SEA
Seattle
RM1,397 Return, found 1 day ago
RM1,397
Return
found 1 day ago
Select Delta flight, departing Wed, 23 Sept from Chicago to Seattle, returning Sun, 27 Sept, priced at RM1,397 found 1 day ago
WestJet
Sat, 20 Jun - Sun, 28 Jun
YYC
Calgary
SEA
Seattle
RM1,515 Return, found 1 day ago
RM1,515
Return
found 1 day ago
Select WestJet flight, departing Sat, 20 Jun from Calgary to Seattle, returning Sun, 28 Jun, priced at RM1,515 found 1 day ago
United
Wed, 23 Sept - Sun, 27 Sept
ORD
Chicago
SEA
Seattle
RM1,791 Return, found 1 day ago
RM1,791
Return
found 1 day ago
Select United flight, departing Wed, 23 Sept from Chicago to Seattle, returning Sun, 27 Sept, priced at RM1,791 found 1 day ago
American Airlines
Tue, 22 Sept - Tue, 29 Sept
ORD
Chicago
SEA
Seattle
RM1,791 Return, found 1 day ago
RM1,791
Return
found 1 day ago
Select American Airlines flight, departing Tue, 22 Sept from Chicago to Seattle, returning Tue, 29 Sept, priced at RM1,791 found 1 day ago
American Airlines
Wed, 23 Sept - Sun, 27 Sept
ORD
Chicago
PAE
Seattle
RM1,829 Return, found 1 day ago
RM1,829
Return
found 1 day ago
Select American Airlines flight, departing Wed, 23 Sept from Chicago to Seattle, returning Sun, 27 Sept, priced at RM1,829 found 1 day ago
British Airways
Mon, 8 Jun - Mon, 22 Jun
IST
Istanbul
SEA
Seattle
RM3,087 Return, found 1 day ago
RM3,087
Return
found 1 day ago
Select British Airways flight, departing Mon, 8 Jun from Istanbul to Seattle, returning Mon, 22 Jun, priced at RM3,087 found 1 day ago
Delta
Tue, 1 Sept - Wed, 16 Sept
SIN
Singapore
SEA
Seattle
RM3,138 Return, found 4 days ago
RM3,138
Return
found 4 days ago
Select Delta flight, departing Tue, 1 Sept from Singapore to Seattle, returning Wed, 16 Sept, priced at RM3,138 found 4 days ago
Korean Air
Thu, 15 Oct - Wed, 21 Oct
SIN
Singapore
SEA
Seattle
RM3,157 Return, found 3 days ago
RM3,157
Return
found 3 days ago
Select Korean Air flight, departing Thu, 15 Oct from Singapore to Seattle, returning Wed, 21 Oct, priced at RM3,157 found 3 days ago
British Airways
Mon, 8 Jun - Mon, 22 Jun
IST
Istanbul
SEA
Seattle
RM3,302 Return, found 1 day ago
RM3,302
Return
found 1 day ago
Select British Airways flight, departing Mon, 8 Jun from Istanbul to Seattle, returning Mon, 22 Jun, priced at RM3,302 found 1 day ago

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.

Singapore Airlines
Thu, 15 Oct - Fri, 23 Oct
KUL
Kuala Lumpur
SEA
Seattle
RM3,981 Return, found 1 day ago
RM3,981
Return
found 1 day ago
Select Singapore Airlines flight, departing Thu, 15 Oct from Kuala Lumpur to Seattle, returning Fri, 23 Oct, priced at RM3,981 found 1 day ago

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 RM1,095.
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 RM1,095 and RM3,981. Many lucky travellers nabbed one-way tickets from Calgary (YYC) for only RM650.
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.

How much is a plane ticket to King County?
In the last seven days, plane fares to King County varied from RM1,095 to RM3,981.
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.

Book with confidence

About King County

Expedia offers flights to King County to meet every traveler'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.
About King County
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