Cheap Flights to King County from ₩67,500

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

  • JetBlue Airways

    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 ₩67,500 for one-way flights and ₩142,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 4 - Mon, Oct 6
SFO
San Francisco
SEA
Seattle
₩142,100 Roundtrip, found 4 hours ago
₩142,100
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Oct 4 from San Francisco to Seattle, returning Mon, Oct 6, priced at ₩142,100 found 4 hours ago
Delta
Thu, Oct 30 - Mon, Nov 3
PHX
Phoenix
SEA
Seattle
₩149,000 Roundtrip, found 1 day ago
₩149,000
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Oct 30 from Phoenix to Seattle, returning Mon, Nov 3, priced at ₩149,000 found 1 day ago
Delta
Thu, Oct 30 - Sun, Nov 2
PHX
Phoenix
SEA
Seattle
₩167,000 Roundtrip, found 13 hours ago
₩167,000
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, Oct 30 from Phoenix to Seattle, returning Sun, Nov 2, priced at ₩167,000 found 13 hours ago
Hawaiian Airlines
Sat, Oct 4 - Mon, Oct 6
SFO
San Francisco
SEA
Seattle
₩183,300 Roundtrip, found 4 hours ago
₩183,300
Roundtrip
found 4 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 4 from San Francisco to Seattle, returning Mon, Oct 6, priced at ₩183,300 found 4 hours ago
Delta
Thu, Sep 18 - Sun, Sep 21
SFO
San Francisco
SEA
Seattle
₩183,400 Roundtrip, found 1 day ago
₩183,400
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 18 from San Francisco to Seattle, returning Sun, Sep 21, priced at ₩183,400 found 1 day ago
Delta
Thu, Oct 30 - Sun, Nov 2
PHX
Phoenix
SEA
Seattle
₩185,100 Roundtrip, found 13 hours ago
₩185,100
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, Oct 30 from Phoenix to Seattle, returning Sun, Nov 2, priced at ₩185,100 found 13 hours ago
United
Sat, Oct 4 - Mon, Oct 6
SFO
San Francisco
SEA
Seattle
₩189,500 Roundtrip, found 4 hours ago
₩189,500
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 4 from San Francisco to Seattle, returning Mon, Oct 6, priced at ₩189,500 found 4 hours ago
Delta
Sat, Sep 20 - Mon, Sep 22
SFO
San Francisco
SEA
Seattle
₩190,200 Roundtrip, found 9 hours ago
₩190,200
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Sep 20 from San Francisco to Seattle, returning Mon, Sep 22, priced at ₩190,200 found 9 hours ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
PHX
Phoenix
SEA
Seattle
₩260,100 Roundtrip, found 1 day ago
₩260,100
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 30 from Phoenix to Seattle, returning Mon, Nov 3, priced at ₩260,100 found 1 day ago
Aeromexico
Mon, Jun 1 - Fri, Jun 12
MTY
Monterrey
SEA
Seattle
₩1,243,900 Roundtrip, found 4 days ago
₩1,243,900
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Mon, Jun 1 from Monterrey to Seattle, returning Fri, Jun 12, priced at ₩1,243,900 found 4 days 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 ₩142,100.
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 ₩142,100 and ₩1,243,900. Many lucky travelers nabbed one-way tickets from San Francisco (SFO) for only ₩67,500.
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 ₩142,100 to ₩1,243,900.
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
Sun, Sep 14 - Sun, Sep 28
ICN
Seoul
SEA
Seattle
₩748,900 Roundtrip, just found
₩748,900
Roundtrip
just found
Select Hawaiian Airlines flight, departing Sun, Sep 14 from Seoul to Seattle, returning Sun, Sep 28, priced at ₩748,900 just found
*Available to Expedia members.