Cheap flights to King County

Popular airlines to King County

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Lufthansa

    Lufthansa

  • KLM

    KLM

  • British Airways

    British Airways

  • Air Canada

    Air Canada

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Popular cities in King County

FlightsFlights

Seattle

Seattle

Cheap round-trip flights to King County

Prices were available within the past 7 days and start at €68 for one-way flights and €136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 25 Oct - Sat, 25 Oct
LGA
New York
SEA
Seattle
€136 Return, found 2 days ago
€136
Return
found 2 days ago
Select American Airlines flight, departing Sat, 25 Oct from New York to Seattle, returning Sat, 25 Oct, priced at €136 found 2 days ago
JetBlue Airways
Sat, 25 Oct - Sat, 25 Oct
JFK
New York
SEA
Seattle
€198 Return, found 2 days ago
€198
Return
found 2 days ago
Select JetBlue Airways flight, departing Sat, 25 Oct from New York to Seattle, returning Sat, 25 Oct, priced at €198 found 2 days ago
Delta
Sat, 25 Oct - Sat, 25 Oct
JFK
New York
SEA
Seattle
€198 Return, found 2 days ago
€198
Return
found 2 days ago
Select Delta flight, departing Sat, 25 Oct from New York to Seattle, returning Sat, 25 Oct, priced at €198 found 2 days ago
United
Sun, 31 Aug - Tue, 9 Sep
LGA
New York
SEA
Seattle
€310 Return, found 7 hours ago
€310
Return
found 7 hours ago
Select United flight, departing Sun, 31 Aug from New York to Seattle, returning Tue, 9 Sep, priced at €310 found 7 hours ago
Scandinavian Airlines
Thu, 4 Sep - Sun, 21 Sep
DUB
Dublin
SEA
Seattle
€397 Return, found 2 days ago
€397
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Thu, 4 Sep from Dublin to Seattle, returning Sun, 21 Sep, priced at €397 found 2 days ago
Icelandair
Fri, 31 Oct - Fri, 7 Nov
DUB
Dublin
SEA
Seattle
€493 Return, found 3 hours ago
€493
Return
found 3 hours ago
Select Icelandair flight, departing Fri, 31 Oct from Dublin to Seattle, returning Fri, 7 Nov, priced at €493 found 3 hours ago
American Airlines
Tue, 11 Nov - Tue, 18 Nov
BUD
Budapest
SEA
Seattle
€572 Return, found 15 hours ago
€572
Return
found 15 hours ago
Select American Airlines flight, departing Tue, 11 Nov from Budapest to Seattle, returning Tue, 18 Nov, priced at €572 found 15 hours ago
British Airways
Fri, 24 Oct - Thu, 30 Oct
BUD
Budapest
SEA
Seattle
€574 Return, found 15 hours ago
€574
Return
found 15 hours ago
Select British Airways flight, departing Fri, 24 Oct from Budapest to Seattle, returning Thu, 30 Oct, priced at €574 found 15 hours ago
KLM
Tue, 11 Nov - Tue, 2 Dec
DUB
Dublin
SEA
Seattle
€584 Return, found 1 day ago
€584
Return
found 1 day ago
Select KLM flight, departing Tue, 11 Nov from Dublin to Seattle, returning Tue, 2 Dec, priced at €584 found 1 day ago
Air France
Thu, 6 Nov - Tue, 11 Nov
DUB
Dublin
SEA
Seattle
€587 Return, found 2 days ago
€587
Return
found 2 days ago
Select Air France flight, departing Thu, 6 Nov from Dublin to Seattle, returning Tue, 11 Nov, priced at €587 found 2 days ago

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.

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 €136.
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 €136 and €587. Many lucky travellers nabbed one-way tickets from New York (LGA) for only €68.
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 €136 to €587.
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.

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.

Scandinavian Airlines
Thu, 4 Sep - Sun, 21 Sep
DUB
Dublin
SEA
Seattle
€397 Return, found 2 days ago
€397
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Thu, 4 Sep from Dublin to Seattle, returning Sun, 21 Sep, priced at €397 found 2 days ago
*Available to Expedia members.