Flight to King County

View S$88 flight on Sat, 18 Jul, 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 S$88 for one-way flights and S$226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 12 May - Sat, 30 May
LAS
Las Vegas
SEA
Seattle
S$226 Return, found 1 day ago
S$226
Return
found 1 day ago
Select Delta flight, departing Tue, 12 May from Las Vegas to Seattle, returning Sat, 30 May, priced at S$226 found 1 day ago
Delta
Sat, 30 May - Sat, 6 Jun
LAX
Los Angeles
SEA
Seattle
S$226 Return, found 13 hours ago
S$226
Return
found 13 hours ago
Select Delta flight, departing Sat, 30 May from Los Angeles to Seattle, returning Sat, 6 Jun, priced at S$226 found 13 hours ago
Alaska Airlines
Wed, 13 May - Sun, 31 May
LAS
Las Vegas
SEA
Seattle
S$252 Return, found 1 day ago
S$252
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 13 May from Las Vegas to Seattle, returning Sun, 31 May, priced at S$252 found 1 day ago
Delta
Sun, 21 Jun - Wed, 24 Jun
SFO
San Francisco
SEA
Seattle
S$265 Return, found 5 days ago
S$265
Return
found 5 days ago
Select Delta flight, departing Sun, 21 Jun from San Francisco to Seattle, returning Wed, 24 Jun, priced at S$265 found 5 days ago
Alaska Airlines
Thu, 21 May - Tue, 2 Jun
LAS
Las Vegas
PAE
Seattle
S$289 Return, found 1 day ago
S$289
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 21 May from Las Vegas to Seattle, returning Tue, 2 Jun, priced at S$289 found 1 day ago
Alaska Airlines
Thu, 7 May - Mon, 11 May
PHX
Phoenix
PAE
Seattle
S$302 Return, found 6 days ago
S$302
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 7 May from Phoenix to Seattle, returning Mon, 11 May, priced at S$302 found 6 days ago
United
Sat, 30 May - Sat, 6 Jun
LAX
Los Angeles
SEA
Seattle
S$315 Return, found 13 hours ago
S$315
Return
found 13 hours ago
Select United flight, departing Sat, 30 May from Los Angeles to Seattle, returning Sat, 6 Jun, priced at S$315 found 13 hours ago
American Airlines
Sat, 30 May - Sat, 6 Jun
LAX
Los Angeles
PAE
Seattle
S$379 Return, found 13 hours ago
S$379
Return
found 13 hours ago
Select American Airlines flight, departing Sat, 30 May from Los Angeles to Seattle, returning Sat, 6 Jun, priced at S$379 found 13 hours ago
American Airlines
Tue, 2 Jun - Thu, 4 Jun
SFO
San Francisco
PAE
Seattle
S$407 Return, found 5 days ago
S$407
Return
found 5 days ago
Select American Airlines flight, departing Tue, 2 Jun from San Francisco to Seattle, returning Thu, 4 Jun, priced at S$407 found 5 days ago
Korean Air
Sun, 18 Oct - Sun, 8 Nov
SIN
Singapore
SEA
Seattle
S$1,019 Return, found 1 hour ago
S$1,019
Return
found 1 hour ago
Select Korean Air flight, departing Sun, 18 Oct from Singapore to Seattle, returning Sun, 8 Nov, priced at S$1,019 found 1 hour 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.

Delta
Wed, 9 Sept - Wed, 16 Sept
SIN
Singapore
SEA
Seattle
S$862 Return, found 5 days ago
S$862
Return
found 5 days ago
Select Delta flight, departing Wed, 9 Sept from Singapore to Seattle, returning Wed, 16 Sept, priced at S$862 found 5 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 S$226.
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$226 and S$1,019. Many lucky travellers nabbed one-way tickets from San Francisco (SFO) for only S$88.
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$226 to S$1,019.
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.

Travel information

King County Flights Information

Airlines serving
Delta, Alaska Airlines, United, American Airlines, Singapore Airlines, Korean Air
Roundtrip price
from S$226
King County Flights Information

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