Cheap flights to King County

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.

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.

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 €148.

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 €148 and €590. Many lucky travellers nabbed one-way tickets from Boston (BOS) for only €75.

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.

In the last seven days, plane fares to King County varied from €148 to €590.

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.

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.