Popular airlines to King County
Alaska Airlines
Delta
American Airlines
United
Southwest Airlines
Frontier Airlines
JetBlue Airways
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- Book smarterSave up to 25% on select hotels after you book a flight*
Top Cities to Visit in King County
Seattle
Cheap round-trip flights to King County
Prices were available within the past 7 days and start at £428 for one-way flights and £408 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Top tips for booking flights to King County from UK
Get ready to fly to King County
Prepare your luggage and book your flights to King County with Expedia. We offer a seamless flight booking experience, with a wide range of King County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to King County in 2025, we are always available to assist you. Book your flights to King County today and let the adventure begin!
Find the best tickets to King County
To find some of the best tickets to King County in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to King County or last-minute flights to King County, you can filter and sort your search results, making it easy to find the ideal flight to King County.
Airlines fly to King County
There are 20 different airlines that fly to King County including some of the most trusted names in the business. To book flights to King County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best King County plane tickets.
Find the cheapest flights to King County
By booking early you may find some of the best deals for King County flights from the UK, including King County direct flights. You can usually find affordable and cheap flights to King County, whether one-way from £428 or round-trip from £408, with Expedia if you book your trip far enough in advance.
Find the best airports for cheap flights to King County
Try searching for different King County airports with Expedia to find some of the cheapest flights to King County. Flights from Edinburgh (EDI) to Seattle (SEA) usually have the lowest price from £428.
Why book your flights to King County with Expedia
Expedia offers great deals on King County air fares from £428 to cater to every budget. Not only is Expedia one of the top platforms to book flights to King County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.
*Prices and availability are subject to change. Additional terms apply.
King County Flights Information
Airlines serving | Aer Lingus, Icelandair, WestJet, Scandinavian Airlines, Lufthansa, Swiss International Air Lines, Air France, American Airlines, British Airways, JetBlue Airways, Air Dolomiti, KLM, Delta |
|---|---|
Roundtrip price | from £408 |
Frequently asked questions
Top Flight Destinations In King County
Top Flight Destinations In World
- Flights to South Korea
- Flights to Thailand
- Flights to Türkiye
- Flights to India
- Flights to Sweden
- Flights to Colombia
- Flights to Brazil
- Flights to Germany
- Flights to Norway
- Flights to Australia
- Flights to Spain
- Flights to Mexico
- Flights to China
- Flights to Canada
- Flights to United Kingdom
- Flights to Russia
- Flights to Greece
- Flights to Indonesia
- Flights to France
- Flights to Japan
Top King County Hotels
- Executive Hotel Pacific
- Coast Seattle Downtown Hotel by APA
- The Paramount Hotel
- Coast Gateway Hotel
- Hyatt Regency Seattle
- citizenM Seattle Pioneer Square
- Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
- The Belltown Inn
- Hotel Sorrento
- Mediterranean Inn
- SureStay Hotel by Best Western SeaTac Airport North
- Mayflower Park Hotel
- Fairmont Olympic Hotel
- citizenM Seattle South Lake Union
- Crowne Plaza Seattle - Downtown by IHG
- Red Lion Hotel Bellevue
- The Inn at Virginia Mason
- Sheraton Grand Seattle
- Warwick Seattle
- Red Roof Inn Seattle Airport - SEATAC
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.