Cheap Flights to King County from ₩560,800

Popular airlines to King County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

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    JetBlue Airways

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Top Cities to Visit in King County

Seattle which includes landscape views, night scenes and a city
FlightsFlights

Seattle

Seattle

How much is the cheapest flight to King County?

Prices were available within the past 7 days and start at ₩560,800 for one-way flights and ₩748,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Sep 13 - Fri, Sep 19
ICN
Seoul
SEA
Seattle
₩748,800 Roundtrip, found 1 hour ago
₩748,800
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Sat, Sep 13 from Seoul to Seattle, returning Fri, Sep 19, priced at ₩748,800 found 1 hour ago
Alaska Airlines
Wed, Dec 17 - Sat, Dec 27
ICN
Seoul
SEA
Seattle
₩756,600 Roundtrip, found 8 hours ago
₩756,600
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Dec 17 from Seoul to Seattle, returning Sat, Dec 27, priced at ₩756,600 found 8 hours ago
United
Tue, Dec 23 - Sat, Jan 3
ICN
Seoul
SEA
Seattle
₩777,200 Roundtrip, just found
₩777,200
Roundtrip
just found
Select United flight, departing Tue, Dec 23 from Seoul to Seattle, returning Sat, Jan 3, priced at ₩777,200 just found
Delta
Tue, Dec 23 - Sat, Jan 3
ICN
Seoul
SEA
Seattle
₩875,000 Roundtrip, just found
₩875,000
Roundtrip
just found
Select Delta flight, departing Tue, Dec 23 from Seoul to Seattle, returning Sat, Jan 3, priced at ₩875,000 just found
American Airlines
Wed, Sep 17 - Thu, Sep 18
ICN
Seoul
SEA
Seattle
₩879,000 Roundtrip, found 1 hour ago
₩879,000
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Sep 17 from Seoul to Seattle, returning Thu, Sep 18, priced at ₩879,000 found 1 hour ago
Korean Air
Tue, Sep 9 - Tue, Sep 16
ICN
Seoul
SEA
Seattle
₩905,000 Roundtrip, found 3 hours ago
₩905,000
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Tue, Sep 9 from Seoul to Seattle, returning Tue, Sep 16, priced at ₩905,000 found 3 hours ago
Singapore Airlines
Sat, Nov 8 - Sat, Nov 29
SGN
Ho Chi Minh City
SEA
Seattle
₩934,800 Roundtrip, found 14 hours ago
₩934,800
Roundtrip
found 14 hours ago
Select Singapore Airlines flight, departing Sat, Nov 8 from Ho Chi Minh City to Seattle, returning Sat, Nov 29, priced at ₩934,800 found 14 hours ago
Singapore Airlines
Sat, Feb 7 - Sat, Feb 28
HAN
Hanoi
SEA
Seattle
₩958,400 Roundtrip, found 11 hours ago
₩958,400
Roundtrip
found 11 hours ago
Select Singapore Airlines flight, departing Sat, Feb 7 from Hanoi to Seattle, returning Sat, Feb 28, priced at ₩958,400 found 11 hours ago
Philippine Airlines
Tue, Dec 9 - Tue, Dec 30
SGN
Ho Chi Minh City
SEA
Seattle
₩1,010,400 Roundtrip, found 13 hours ago
₩1,010,400
Roundtrip
found 13 hours ago
Select Philippine Airlines flight, departing Tue, Dec 9 from Ho Chi Minh City to Seattle, returning Tue, Dec 30, priced at ₩1,010,400 found 13 hours ago
Air Canada
Mon, Oct 13 - Tue, Jan 13
ICN
Seoul
SEA
Seattle
₩1,023,800 Roundtrip, found 1 hour ago
₩1,023,800
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Oct 13 from Seoul to Seattle, returning Tue, Jan 13, priced at ₩1,023,800 found 1 hour ago

About King County

Expedia offers flights to King County to meet every traveler'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 ₩748,800.
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 ₩748,800 and ₩1,023,800. Many lucky travelers nabbed one-way tickets from Jakarta (CGK) for only ₩560,800.
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 traveling 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 ₩748,800 to ₩1,023,800.
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 55ºF to 75ºF 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, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Sep 13 - Fri, Sep 19
ICN
Seoul
SEA
Seattle
₩748,800 Roundtrip, found 1 hour ago
₩748,800
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Sat, Sep 13 from Seoul to Seattle, returning Fri, Sep 19, priced at ₩748,800 found 1 hour ago
*Available to Expedia members.