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Flight to King County

View S$154 flight on Wed, 16 Sept, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to King County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Frontier Airlines

  • Southwest 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 S$154 for one-way flights and S$281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 5 Sept - Sun, 6 Sept
LAX
Los Angeles
SEA
Seattle
S$281 Return, found 1 day ago
S$281
Return
found 1 day ago
Select Delta flight, departing Sat, 5 Sept from Los Angeles to Seattle, returning Sun, 6 Sept, priced at S$281 found 1 day ago
United
Sat, 5 Sept - Sun, 6 Sept
LAX
Los Angeles
SEA
Seattle
S$320 Return, found 1 day ago
S$320
Return
found 1 day ago
Select United flight, departing Sat, 5 Sept from Los Angeles to Seattle, returning Sun, 6 Sept, priced at S$320 found 1 day ago
American Airlines
Fri, 16 Oct - Sun, 18 Oct
LAX
Los Angeles
PAE
Seattle
S$431 Return, found 6 days ago
S$431
Return
found 6 days ago
Select American Airlines flight, departing Fri, 16 Oct from Los Angeles to Seattle, returning Sun, 18 Oct, priced at S$431 found 6 days ago
United
Sat, 12 Sept - Tue, 15 Sept
EWR
New York
SEA
Seattle
S$479 Return, found 4 days ago
S$479
Return
found 4 days ago
Select United flight, departing Sat, 12 Sept from New York to Seattle, returning Tue, 15 Sept, priced at S$479 found 4 days ago
Air Canada
Fri, 5 Feb - Fri, 12 Feb
SIN
Singapore
SEA
Seattle
S$1,000 Return, found 17 hours ago
S$1,000
Return
found 17 hours ago
Select Air Canada flight, departing Fri, 5 Feb from Singapore to Seattle, returning Fri, 12 Feb, priced at S$1,000 found 17 hours ago
Air Canada
Tue, 9 Feb - Thu, 18 Feb
NRT
Tokyo
SEA
Seattle
S$1,054 Return, found 6 days ago
S$1,054
Return
found 6 days ago
Select Air Canada flight, departing Tue, 9 Feb from Tokyo to Seattle, returning Thu, 18 Feb, priced at S$1,054 found 6 days ago
Korean Air
Mon, 14 Sept - Tue, 13 Oct
SIN
Singapore
SEA
Seattle
S$1,058 Return, found 18 hours ago
S$1,058
Return
found 18 hours ago
Select Korean Air flight, departing Mon, 14 Sept from Singapore to Seattle, returning Tue, 13 Oct, priced at S$1,058 found 18 hours ago
STARLUX Airlines
Mon, 21 Dec - Wed, 30 Dec
SIN
Singapore
SEA
Seattle
S$1,132 Return, found 22 hours ago
S$1,132
Return
found 22 hours ago
Select STARLUX Airlines flight, departing Mon, 21 Dec from Singapore to Seattle, returning Wed, 30 Dec, priced at S$1,132 found 22 hours ago
Delta
Thu, 14 Jan - Wed, 27 Jan
HND
Tokyo
SEA
Seattle
S$1,190 Return, found 12 hours ago
S$1,190
Return
found 12 hours ago
Select Delta flight, departing Thu, 14 Jan from Tokyo to Seattle, returning Wed, 27 Jan, priced at S$1,190 found 12 hours ago
All Nippon Airways
Mon, 31 Aug - Fri, 4 Sept
SIN
Singapore
SEA
Seattle
S$1,240 Return, just found
S$1,240
Return
just found
Select All Nippon Airways flight, departing Mon, 31 Aug from Singapore to Seattle, returning Fri, 4 Sept, priced at S$1,240 just found

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.

Air Canada
Fri, 5 Feb - Fri, 12 Feb
SIN
Singapore
SEA
Seattle
S$1,000 Return, found 17 hours ago
S$1,000
Return
found 17 hours ago
Select Air Canada flight, departing Fri, 5 Feb from Singapore to Seattle, returning Fri, 12 Feb, priced at S$1,000 found 17 hours 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 S$281.
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 S$281 and S$1,240. Many lucky travellers nabbed one-way tickets from Los Angeles (LAX) for only S$154.
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 travelling 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 S$281 to S$1,240.
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

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.

Travel information

King County Flights Information

Airlines serving
Delta, American Airlines, United, Alaska Airlines, Air Canada, Singapore Airlines, Korean Air, Hainan Airlines, STARLUX Airlines, All Nippon Airways
Roundtrip price
from S$281
King County Flights Information
*Available to Expedia members.