King County Flights - Book Cheap Flights to King County

View RM416 flight on Tue, 21 Apr 2026Opens in a new window

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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 RM416 for one-way flights and RM705 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 2 May - Sat, 9 May
LAX
Los Angeles
SEA
Seattle
RM705 Return, found 1 day ago
RM705
Return
found 1 day ago
Select Delta flight, departing Sat, 2 May from Los Angeles to Seattle, returning Sat, 9 May, priced at RM705 found 1 day ago
Delta
Thu, 7 May - Sat, 16 May
LAX
Los Angeles
SEA
Seattle
RM750 Return, found 3 days ago
RM750
Return
found 3 days ago
Select Delta flight, departing Thu, 7 May from Los Angeles to Seattle, returning Sat, 16 May, priced at RM750 found 3 days ago
Delta
Fri, 24 Apr - Wed, 29 Apr
LAX
Los Angeles
SEA
Seattle
RM757 Return, found 8 hours ago
RM757
Return
found 8 hours ago
Select Delta flight, departing Fri, 24 Apr from Los Angeles to Seattle, returning Wed, 29 Apr, priced at RM757 found 8 hours ago
Delta
Wed, 6 May - Sat, 9 May
SFO
San Francisco
SEA
Seattle
RM831 Return, found 4 days ago
RM831
Return
found 4 days ago
Select Delta flight, departing Wed, 6 May from San Francisco to Seattle, returning Sat, 9 May, priced at RM831 found 4 days ago
Delta
Tue, 19 May - Sat, 23 May
SFO
San Francisco
SEA
Seattle
RM858 Return, found 4 days ago
RM858
Return
found 4 days ago
Select Delta flight, departing Tue, 19 May from San Francisco to Seattle, returning Sat, 23 May, priced at RM858 found 4 days ago
Delta
Sat, 2 May - Sat, 9 May
LAX
Los Angeles
SEA
Seattle
RM867 Return, found 1 day ago
RM867
Return
found 1 day ago
Select Delta flight, departing Sat, 2 May from Los Angeles to Seattle, returning Sat, 9 May, priced at RM867 found 1 day ago
Delta
Mon, 11 May - Tue, 19 May
SFO
San Francisco
SEA
Seattle
RM879 Return, found 2 days ago
RM879
Return
found 2 days ago
Select Delta flight, departing Mon, 11 May from San Francisco to Seattle, returning Tue, 19 May, priced at RM879 found 2 days ago
Delta
Fri, 24 Apr - Wed, 29 Apr
LAX
Los Angeles
SEA
Seattle
RM882 Return, found 8 hours ago
RM882
Return
found 8 hours ago
Select Delta flight, departing Fri, 24 Apr from Los Angeles to Seattle, returning Wed, 29 Apr, priced at RM882 found 8 hours ago
United
Sat, 25 Apr - Sun, 26 Apr
LAX
Los Angeles
SEA
Seattle
RM980 Return, found 6 days ago
RM980
Return
found 6 days ago
Select United flight, departing Sat, 25 Apr from Los Angeles to Seattle, returning Sun, 26 Apr, priced at RM980 found 6 days ago
American Airlines
Wed, 6 May - Sat, 9 May
SFO
San Francisco
PAE
Seattle
RM1,150 Return, found 4 days ago
RM1,150
Return
found 4 days ago
Select American Airlines flight, departing Wed, 6 May from San Francisco to Seattle, returning Sat, 9 May, priced at RM1,150 found 4 days 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.

Qatar Airways
Tue, 18 Aug - Mon, 24 Aug
KUL
Kuala Lumpur
SEA
Seattle
RM3,663 Return, found 6 days ago
RM3,663
Return
found 6 days ago
Select Qatar Airways flight, departing Tue, 18 Aug from Kuala Lumpur to Seattle, returning Mon, 24 Aug, priced at RM3,663 found 6 days 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 RM705.
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 RM705 and RM3,663. Many lucky travellers nabbed one-way tickets from San Francisco (SFO) for only RM416.
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 RM705 to RM3,663.
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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