Flights To King County - Cheap Flights Starting at CA $129

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Seattle

Flights
Seattle

How Much Does it Cost To Fly To King County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Aug 8 - Wed, Aug 12
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
CA $258 Roundtrip, just found
CA $258
Roundtrip
just found
Select Harbour Air Seaplanes flight, departing Sat, Aug 8 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Wed, Aug 12, priced at CA $258 just found
Tue, Sep 22 - Tue, Sep 29
BWI
Baltimore Washington Intl. Thurgood Marshall
SEA
Seattle - Tacoma Intl.
CA $346 Roundtrip, found 4 days ago
CA $346
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Sep 22 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Tue, Sep 29, priced at CA $346 found 4 days ago
Fri, Sep 11 - Tue, Sep 15
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
CA $351 Roundtrip, found 12 hours ago
CA $351
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Fri, Sep 11 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Tue, Sep 15, priced at CA $351 found 12 hours ago
Wed, Jun 10 - Tue, Sep 8
YYC
Calgary Intl.
SEA
Seattle - Tacoma Intl.
CA $371 Roundtrip, found 1 day ago
CA $371
Roundtrip
found 1 day ago
Select WestJet flight, departing Wed, Jun 10 from Calgary Intl. to Seattle - Tacoma Intl., returning Tue, Sep 8, priced at CA $371 found 1 day ago
Sat, Sep 19 - Mon, Sep 21
YYC
Calgary Intl.
SEA
Seattle - Tacoma Intl.
CA $373 Roundtrip, found 18 hours ago
CA $373
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Sep 19 from Calgary Intl. to Seattle - Tacoma Intl., returning Mon, Sep 21, priced at CA $373 found 18 hours ago
Sat, Jun 13 - Thu, Jun 18
YYC
Calgary Intl.
SEA
Seattle - Tacoma Intl.
CA $376 Roundtrip, found 9 hours ago
CA $376
Roundtrip
found 9 hours ago
Select WestJet flight, departing Sat, Jun 13 from Calgary Intl. to Seattle - Tacoma Intl., returning Thu, Jun 18, priced at CA $376 found 9 hours ago
Wed, Jun 10 - Tue, Sep 8
YYC
Calgary Intl.
SEA
Seattle - Tacoma Intl.
CA $378 Roundtrip, found 1 day ago
CA $378
Roundtrip
found 1 day ago
Select WestJet flight, departing Wed, Jun 10 from Calgary Intl. to Seattle - Tacoma Intl., returning Tue, Sep 8, priced at CA $378 found 1 day ago
Wed, Jul 29 - Wed, Aug 5
YYC
Calgary Intl.
SEA
Seattle - Tacoma Intl.
CA $381 Roundtrip, found 6 days ago
CA $381
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Jul 29 from Calgary Intl. to Seattle - Tacoma Intl., returning Wed, Aug 5, priced at CA $381 found 6 days ago
Sat, Jun 6 - Sat, Jun 6
YVR
Vancouver Intl.
SEA
Seattle - Tacoma Intl.
CA $388 Roundtrip, found 3 days ago
CA $388
Roundtrip
found 3 days ago
Select WestJet flight, departing Sat, Jun 6 from Vancouver Intl. to Seattle - Tacoma Intl., returning Sat, Jun 6, priced at CA $388 found 3 days ago
Fri, Jun 19 - Sat, Jul 4
YYZ
Pearson Intl.
SEA
Seattle - Tacoma Intl.
CA $398 Roundtrip, found 3 days ago
CA $398
Roundtrip
found 3 days ago
Select WestJet flight, departing Fri, Jun 19 from Pearson Intl. to Seattle - Tacoma Intl., returning Sat, Jul 4, priced at CA $398 found 3 days ago
OriginDestinationTravel datesFlights from*
SFOSeattleJuly 21 to July 28CA $243
SFOEverettAugust 19 to September 16CA $274
LAXEverettAugust 27 to September 2CA $299
LAXSeattleAugust 20 to August 25CA $299
HKGSeattleJune 25 to July 11CA $1,000
PEKSeattleJune 29 to July 29CA $1,052
PVGSeattleJune 21 to June 26CA $1,194
CANSeattleJuly 18 to August 1CA $2,033
XIYSeattleJuly 23 to August 14CA $2,075
*Prices include taxes and fees
OriginDestinationTravel datesFlights from*
SFOEverettMay 30 to June 6CA $475
SFOEverettMay 30 to June 6CA $475
LAXEverettMay 30 to June 6CA $503
LAXEverettMay 30 to June 6CA $503
PEKSeattleMay 31 to November 30CA $1,193
HKGSeattleMay 29 to June 1CA $1,288
PVGSeattleMay 31 to November 29CA $1,372
PVGEverettMay 30 to November 28CA $4,677
*Prices include taxes and fees
Price found within the past 48 hours. Click for updated prices.
Oxford Seattle
2.0-star property

Oxford Seattle

Aug 2 - Aug 7

5 night stay

Calgary (YYC) to Seattle (SEA)

WestJet • Roundtrip • Coach
Price was CA $1,492, price is now CA $985 per person
CA $985
per person
found 1 day ago
1 Hotel Seattle
5.0-star property

1 Hotel Seattle

Jul 1 - Jul 4

3 night stay

Calgary (YYC) to Seattle (SEA)

Air Canada • Non-stop roundtrip • Coach
Price was CA $2,729, price is now CA $1,722 per person
CA $1,722
per person
found 17 hours ago
Mayflower Park Hotel
4.0-star property

Mayflower Park Hotel

Aug 2 - Aug 7

5 night stay

Calgary (YYC) to Seattle (SEA)

WestJet • Roundtrip • Coach
Price was CA $1,979, price is now CA $1,276 per person
CA $1,276
per person
found 1 day ago
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Travelers ❤️ These King County 🏨

Mediterranean Inn

Mediterranean Inn

3 out of 5
425 Queen Anne Ave N Seattle WA
Book a stay at this business-friendly hotel in Seattle. Enjoy free WiFi, a rooftop terrace, and a 24-hour fitness center. Our guests praise the helpful staff and the convenient parking in our reviews. Popular attractions Seattle Center and Space Needle are located nearby.
9.4/10 Exceptional! (5,910 reviews)
"I arrived at 1am, after an unexpectedly long travel day. Coming from Florida, it was actually 4am to my body. The front desk agent was wonderful and proactively had me book a shuttle to the cruise port the next day. I stayed on the 6th floor which was undergoing work to replace wallpaper in the hall. ..."

Reviewed on May 22, 2026

Opens in a new windowMediterranean Inn
The Belltown Inn

The Belltown Inn

2.5 out of 5
2301 3rd Avenue Seattle WA
Book a stay at this business-friendly hotel in Seattle. Enjoy free WiFi, a rooftop terrace, and free bicycles on site. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Bell Street Cruise Terminal at Pier 66 and Pike Place Market are located nearby.
9.4/10 Exceptional! (4,519 reviews)
"Great location and awesome front desk staff. Loved the water in the lobby and the coffee until noon. If you are leaving at checkout time (11 am) and are in a hurry, I recommend leaving early. The elevator is small and we were on the 3rd floor. Four full elevators passed us by. We finally took our ..."

Reviewed on May 22, 2026

Opens in a new windowThe Belltown Inn
DoubleTree by Hilton Seattle Airport

DoubleTree by Hilton Seattle Airport

4 out of 5
18740 International Boulevard SeaTac WA
Book a stay at this business-friendly hotel in SeaTac. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Westfield Southcenter Mall and Silver Dollar Casino are located nearby.
7.8/10 Good! (3,091 reviews)
"All good. Staff was friendly and helpful"

Reviewed on May 22, 2026

Opens in a new windowDoubleTree by Hilton Seattle Airport
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Executive Hotel Pacific

Executive Hotel Pacific

3 out of 5
400 Spring St Seattle WA
Stay at this hotel in Seattle. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Seattle Waterfront and Pike Place Market are located nearby.
8/10 Very Good! (4,833 reviews)
"The list of things that were bad is fairly long. 1. The air conditioning didn't work and I was told they were "in the process" of changing over from heating to air conditioning. 2. We did not have hot water in the shower. 3. It was LOUD. There was construction outside starting at 4 am and because ..."

Reviewed on May 21, 2026

Opens in a new windowExecutive Hotel Pacific
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to King County?
The next trip you take doesn't have to make a huge dent in your finances. During the last seven days, the cheapest roundtrip flight to King County cost CA $243. Find the best deal and spend the dollars you save on fantastic experiences. This price was available on Travelocity for flights to King County departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to King County?
There are 18 airline companies that can take you to King County. If you're considering an escape to Seattle, opt for Alaska Airlines. This renowned carrier operates roughly 8,870 services per month to King County's gateway city.
What is the cheapest month to fly to King County?
Make sure you leave August empty in your calendar, because it's the most affordable time to jet out to King County. That's based on Travelocity's direct flight demand from January to December last year. With more money in your wallet, you can upgrade your hotel booking, go for a fancy dinner or whatever makes you happy.
How can I check my flight status to King County?
"Trips" should be your first stop when it comes to the details of your flight to King County. The Travelocity customer portal allows you to organize everything in the one place, from checking the status of your flight to making changes to your booking. Click on Trips at the top of the Travelocity homepage and then create an account or sign in. You can also download the Travelocity app and access your information while you're on the move. Whether you've got the family flying with you or you're a lone adventurer, all your bookings are right at your fingertips.
How do I find the best deals on flights to King County?
It pays to book ahead, and if possible, avoid flying during peak periods. Another great way to save is by clicking the "Flexible dates" box at the top of the page after searching for your flights. It's an easy way to compare prices for surrounding days. In the last seven days, the best price for a return flight to King County was CA $243. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to King County with Travelocity?
From cheap flights to King County to activities and all-inclusive resorts, Travelocity is your one-stop shop for exciting adventures. With everything you need in one convenient place, you can enjoy more time thinking about the fun things you'll be discovering in King County and less time on the nitty-gritty of travel planning. Plus with our Price Match Guarantee and 24/7 customer assistance, our mission is to make your next getaway a fabulous one.
What are the most popular flight routes to King County?
If you have plans to board a flight to King County, here are some major routes that'll get you there:

  • Los Angeles, CA (LAX-Los Angeles Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 5,286 flights a month.
  • Spokane, WA (GEG-Spokane Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 4,277 flights a month.
  • Anchorage, AK (ANC-Ted Stevens Anchorage Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 4,030 flights a month.

How much is a flight to King County on average?
Tickets for roundtrip flights to King County were priced between CA $243 and CA $4,677 in the last seven days. As soon as you see a terrific deal, snap it up and get ready to take off on your dream getaway with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.