Flight Destinations in King County

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Top Cities to Visit in King County

FlightsFlights

Seattle

Seattle

Cheap round-trip flights to King County

Prices were available within the past 7 days and start at ฿3,215 for one-way flights and ฿5,125 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 6 Dec - Sat, 13 Dec
LAX
Los Angeles
SEA
Seattle
฿5,125 Return, found 4 days ago
฿5,125
Return
found 4 days ago
Select Delta flight, departing Sat, 6 Dec from Los Angeles to Seattle, returning Sat, 13 Dec, priced at ฿5,125 found 4 days ago
United
Wed, 14 Jan - Wed, 21 Jan
LAX
Los Angeles
SEA
Seattle
฿6,825 Return, found 2 hours ago
฿6,825
Return
found 2 hours ago
Select United flight, departing Wed, 14 Jan from Los Angeles to Seattle, returning Wed, 21 Jan, priced at ฿6,825 found 2 hours ago
American Airlines
Wed, 14 Jan - Wed, 21 Jan
LAX
Los Angeles
SEA
Seattle
฿6,825 Return, found 2 hours ago
฿6,825
Return
found 2 hours ago
Select American Airlines flight, departing Wed, 14 Jan from Los Angeles to Seattle, returning Wed, 21 Jan, priced at ฿6,825 found 2 hours ago
Alaska Airlines
Wed, 7 Jan - Sun, 11 Jan
LAX
Los Angeles
PAE
Seattle
฿10,640 Return, found 4 days ago
฿10,640
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 7 Jan from Los Angeles to Seattle, returning Sun, 11 Jan, priced at ฿10,640 found 4 days ago
Korean Air
Wed, 10 Jun - Wed, 26 Aug
BKK
Bangkok
SEA
Seattle
฿21,125 Return, found 2 days ago
฿21,125
Return
found 2 days ago
Select Korean Air flight, departing Wed, 10 Jun from Bangkok to Seattle, returning Wed, 26 Aug, priced at ฿21,125 found 2 days ago
Hainan Airlines
Tue, 18 Nov - Sat, 6 Dec
BKK
Bangkok
SEA
Seattle
฿21,225 Return, found 6 days ago
฿21,225
Return
found 6 days ago
Select Hainan Airlines flight, departing Tue, 18 Nov from Bangkok to Seattle, returning Sat, 6 Dec, priced at ฿21,225 found 6 days ago
Air Canada
Mon, 26 Jan - Tue, 10 Feb
BNE
Brisbane
SEA
Seattle
฿22,155 Return, found 1 day ago
฿22,155
Return
found 1 day ago
Select Air Canada flight, departing Mon, 26 Jan from Brisbane to Seattle, returning Tue, 10 Feb, priced at ฿22,155 found 1 day ago
Philippine Airlines
Mon, 25 May - Fri, 5 Jun
BKK
Bangkok
SEA
Seattle
฿22,855 Return, just found
฿22,855
Return
just found
Select Philippine Airlines flight, departing Mon, 25 May from Bangkok to Seattle, returning Fri, 5 Jun, priced at ฿22,855 just found
Qantas Airways
Wed, 28 Jan - Wed, 11 Feb
BNE
Brisbane
SEA
Seattle
฿24,100 Return, found 3 days ago
฿24,100
Return
found 3 days ago
Select Qantas Airways flight, departing Wed, 28 Jan from Brisbane to Seattle, returning Wed, 11 Feb, priced at ฿24,100 found 3 days ago
Asiana Airlines
Fri, 23 Jan - Tue, 27 Jan
BKK
Bangkok
SEA
Seattle
฿25,165 Return, found 2 days ago
฿25,165
Return
found 2 days ago
Select Asiana Airlines flight, departing Fri, 23 Jan from Bangkok to Seattle, returning Tue, 27 Jan, priced at ฿25,165 found 2 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.

Korean Air
Wed, 10 Jun - Wed, 26 Aug
BKK
Bangkok
SEA
Seattle
฿21,125 Return, found 2 days ago
฿21,125
Return
found 2 days ago
Select Korean Air flight, departing Wed, 10 Jun from Bangkok to Seattle, returning Wed, 26 Aug, priced at ฿21,125 found 2 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 ฿5,125.
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 ฿5,125 and ฿25,165. Many lucky travellers nabbed one-way tickets from Los Angeles (LAX) for only ฿3,215.
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 ฿5,125 to ฿25,165.
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 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.
About King County

Explore a world of travel with Expedia

*Available to Expedia members.