Flight to King County

View S$140 flight on Wed, 26 Aug, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to King County

  • Alaska Airlines

  • American Airlines

  • Delta

  • 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$140 for one-way flights and S$330 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Harbour Air Seaplanes
Tue, 21 Jul - Sat, 25 Jul
CXH
Vancouver
LKE
Seattle
S$330 Return, found 8 hours ago
S$330
Return
found 8 hours ago
Select Harbour Air Seaplanes flight, departing Tue, 21 Jul from Vancouver to Seattle, returning Sat, 25 Jul, priced at S$330 found 8 hours ago
Harbour Air Seaplanes
Sat, 5 Sept - Sat, 12 Sept
CXH
Vancouver
LKE
Seattle
S$380 Return, found 6 hours ago
S$380
Return
found 6 hours ago
Select Harbour Air Seaplanes flight, departing Sat, 5 Sept from Vancouver to Seattle, returning Sat, 12 Sept, priced at S$380 found 6 hours ago
Harbour Air Seaplanes
Sat, 18 Jul - Sat, 25 Jul
CXH
Vancouver
LKE
Seattle
S$398 Return, found 2 days ago
S$398
Return
found 2 days ago
Select Harbour Air Seaplanes flight, departing Sat, 18 Jul from Vancouver to Seattle, returning Sat, 25 Jul, priced at S$398 found 2 days ago
Harbour Air Seaplanes
Tue, 30 Jun - Fri, 3 Jul
CXH
Vancouver
LKE
Seattle
S$492 Return, found 17 hours ago
S$492
Return
found 17 hours ago
Select Harbour Air Seaplanes flight, departing Tue, 30 Jun from Vancouver to Seattle, returning Fri, 3 Jul, priced at S$492 found 17 hours ago
Harbour Air Seaplanes
Tue, 30 Jun - Fri, 3 Jul
CXH
Vancouver
LKE
Seattle
S$511 Return, found 17 hours ago
S$511
Return
found 17 hours ago
Select Harbour Air Seaplanes flight, departing Tue, 30 Jun from Vancouver to Seattle, returning Fri, 3 Jul, priced at S$511 found 17 hours ago
Harbour Air Seaplanes
Thu, 23 Jul - Sun, 26 Jul
CXH
Vancouver
LKE
Seattle
S$539 Return, found 18 hours ago
S$539
Return
found 18 hours ago
Select Harbour Air Seaplanes flight, departing Thu, 23 Jul from Vancouver to Seattle, returning Sun, 26 Jul, priced at S$539 found 18 hours ago
Harbour Air Seaplanes
Tue, 30 Jun - Fri, 3 Jul
CXH
Vancouver
LKE
Seattle
S$595 Return, found 17 hours ago
S$595
Return
found 17 hours ago
Select Harbour Air Seaplanes flight, departing Tue, 30 Jun from Vancouver to Seattle, returning Fri, 3 Jul, priced at S$595 found 17 hours ago
Harbour Air Seaplanes
Tue, 30 Jun - Fri, 3 Jul
CXH
Vancouver
LKE
Seattle
S$623 Return, found 17 hours ago
S$623
Return
found 17 hours ago
Select Harbour Air Seaplanes flight, departing Tue, 30 Jun from Vancouver to Seattle, returning Fri, 3 Jul, priced at S$623 found 17 hours ago
Harbour Air Seaplanes
Sat, 13 Jun - Mon, 15 Jun
CXH
Vancouver
LKE
Seattle
S$642 Return, found 22 hours ago
S$642
Return
found 22 hours ago
Select Harbour Air Seaplanes flight, departing Sat, 13 Jun from Vancouver to Seattle, returning Mon, 15 Jun, priced at S$642 found 22 hours ago
Harbour Air Seaplanes
Tue, 21 Jul - Sat, 25 Jul
CXH
Vancouver
LKE
Seattle
S$659 Return, found 8 hours ago
S$659
Return
found 8 hours ago
Select Harbour Air Seaplanes flight, departing Tue, 21 Jul from Vancouver to Seattle, returning Sat, 25 Jul, priced at S$659 found 8 hours ago
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.

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.

United
Tue, 23 Jun - Tue, 30 Jun
SIN
Singapore
SEA
Seattle
S$966 Return, found 3 days ago
S$966
Return
found 3 days ago
Select United flight, departing Tue, 23 Jun from Singapore to Seattle, returning Tue, 30 Jun, priced at S$966 found 3 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$330.
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$330 and S$966. Many lucky travellers nabbed one-way tickets from Vancouver (CXH) for only S$140.
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$330 to S$966.
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
Harbour Air Seaplanes
Roundtrip price
from S$330
King County Flights Information
*Available to Expedia members.