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$78+ Cheap flights from Kentucky to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Kentucky to Seattle

Keep the following information in mind while searching for Kentucky to Seattle flight deals. Data was last updated August 20, 2025.

Round-trip from

$156
(Priceline)

One-way from

$78
(Priceline)

Popular in

July

Cheapest in

October

Average price

$496
From Kentucky to Seattle/Tacoma Intl
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One-way flight from Kentucky to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 13% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Kentucky to Seattle

Cheapest flights from Kentucky to Seattle
Explore the most affordable flight options available from Kentucky to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Priceline deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:08 pmTYS - SEA
1 stop10h 22mFrontier
Thu 9/116:12 amSEA - TYS
1 stop10h 38mFrontier
Deal found 8/17$156
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:00 amCVG - SEA
1 stop12h 45mFrontier
Sun 9/286:12 amSEA - CVG
1 stop16h 28mFrontier
Deal found 8/19$223
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:00 amCVG - SEA
1 stop7h 07mFrontier
Sat 10/188:43 pmSEA - CVG
1 stop25h 56mFrontier
Deal found 8/19$224
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:05 amCVG - SEA
1 stop9h 08mFrontier
Sat 11/1512:58 pmSEA - CVG
1 stop8h 01mFrontier
Deal found 8/19$225
This FlightHub deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:00 amCVG - SEA
1 stop17h 59mFrontier
Sun 9/216:12 amSEA - CVG
1 stop16h 28mFrontier
Deal found 8/18$226
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:49 pmCVG - SEA
Nonstop4h 53mMultiple Airlines
Mon 10/202:31 pmSEA - CVG
1 stop8h 08mMultiple Airlines
Deal found 8/18$227
This FlightHub deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:00 amCVG - SEA
1 stop15h 39mFrontier
Sun 9/286:12 amSEA - CVG
1 stop16h 28mFrontier
Deal found 8/18$228
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:05 amCVG - SEA
2 stops14h 39mFrontier
Mon 10/202:31 pmSEA - CVG
2 stops20h 25mFrontier
Deal found 8/18$229
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/88:00 amCVG - SEA
1 stop10h 41mFrontier
Mon 9/1512:30 pmSEA - CVG
2 stops10h 10mFrontier
Deal found 8/18$230
This Travelocity deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:40 pmCVG - SEA
Nonstop4h 53mMultiple Airlines
Fri 9/126:12 amSEA - CVG
1 stop13h 00mMultiple Airlines
Deal found 8/18$231
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:20 pmCVG - SEA
1 stop12h 10mFrontier
Fri 9/1212:30 pmSEA - CVG
2 stops10h 10mFrontier
Deal found 8/18$233
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:05 amCVG - SEA
2 stops34h 32mFrontier
Wed 11/1212:58 pmSEA - CVG
2 stops41h 53mFrontier
Deal found 8/18$235

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Kentucky to Seattle that are best for you.

Fly from

Kentucky

Fly to

Seattle

Route

Depart

Return

Price

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Sun 9/7

5:08 pm-12:30 am

1 stop10h 22m

Seattle/Tacoma Intl

Thu 9/11

6:12 am-7:50 pm

1 stop10h 38m

$156

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Thu 9/11

8:40 pm-12:30 am

1 stop6h 50m

Seattle/Tacoma Intl

Mon 9/15

6:12 am-7:45 pm

1 stop10h 33m

$156

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Tue 10/21

8:00 am-12:07 pm

1 stop7h 07m

Seattle/Tacoma Intl

Sat 10/25

8:43 pm-1:39 am

1 stop25h 56m

$224

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 10/15

8:00 am-12:07 pm

1 stop7h 07m

Seattle/Tacoma Intl

Sat 10/18

8:43 pm-1:39 am

1 stop25h 56m

$224

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 10/15

6:49 pm-8:42 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Sun 10/26

2:31 pm-1:39 am

1 stop8h 08m

$226

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Fri 10/17

6:49 pm-8:42 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Mon 10/20

2:31 pm-1:39 am

1 stop8h 08m

$227

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sun 9/28

4:48 pm-3:41 pm

1 stop25h 53m

Seattle/Tacoma Intl

Fri 10/3

6:12 am-4:39 pm

2 stops31h 27m

$228

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 9/25

8:00 am-9:20 am

1 stop28h 20m

Seattle/Tacoma Intl

Fri 10/3

6:12 am-1:40 am

1 stop16h 28m

$233

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sun 10/26

9:10 pm-3:16 pm

1 stop21h 06m

Seattle/Tacoma Intl

Sun 11/2

2:22 pm-1:39 am

1 stop8h 17m

$234

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Fri 9/26

6:00 am-3:45 pm

1 stop12h 45m

Seattle/Tacoma Intl

Sun 9/28

6:12 am-1:40 am

1 stop16h 28m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Seattle

What is the cheapest month to book a flight from Kentucky to Seattle?

Currently, January is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $238). Flying from Kentucky to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KY to SEA?

Find hourly flight availability from Kentucky to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from Kentucky to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Kentucky?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Kentucky to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from Kentucky to Seattle?

    There are many flights that can get you from Kentucky to Seattle in 7h 52m. Fly via Frontier, American Airlines, or Delta to get the fastest option. There are 1939 mi between Kentucky and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Kentucky to Seattle one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Kentucky to Seattle for a low price.

  • What are the most popular routes from Kentucky to Seattle?

    The most popular route from Kentucky to Seattle is Nashville Intl - Seattle/Tacoma Intl. You may also consider Cincinnati Cinci./N. Kentucky - Seattle/Tacoma Intl or Knoxville McGhee Tyson - Seattle/Tacoma Intl.

  • Can I find deals for flights from Kentucky to Seattle that include hotel bookings?

    Yes. In addition to deals on Kentucky to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Seattle.

  • Can I find deals for business class flights from Kentucky to Seattle?

    Yes. Cheapflights offers flight deals from Kentucky to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $238). Flying from Kentucky to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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Alternative routes for Kentucky to Seattle

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Top 5 airlines flying from Kentucky to Seattle

Discover the top 5 airlines that operate flights from Kentucky to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$438FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$222Average$502FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$274Average$507FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$299Average$472FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$353Average$495FlexibilityNo cancel feeOn-time63%

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