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$95+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$155
(Priceline)

One-way from

$95
(Cheapflightsfares)

Popular in

July

Cheapest in

October

Average price

$429
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. 12% potential increase in price ($64 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 September 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 September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/15. 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.
Mon 9/298:35 pmTYS - SEA
1 stop6h 55mFrontier
Thu 10/26:12 amSEA - TYS
1 stop10h 38mFrontier
Deal found 9/15$155
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/307:17 pmTYS - SEA
1 stop19h 56mFrontier
Wed 11/512:58 pmSEA - TYS
1 stop26h 24mFrontier
Deal found 9/15$172
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Wed 10/18:00 amCVG - SEA
1 stop17h 59mFrontier
Sun 10/56:12 amSEA - CVG
1 stop16h 28mFrontier
Deal found 9/15$174
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Wed 10/159:10 pmCVG - SEA
1 stop21h 06mFrontier
Wed 10/228:43 pmSEA - CVG
1 stop25h 56mFrontier
Deal found 9/15$180
This CheapOair deal was found by Cheapflights users on 9/14. 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 9/288:00 amCVG - SEA
1 stop28h 20mFrontier
Fri 10/36:12 amSEA - CVG
1 stop16h 28mFrontier
Deal found 9/14$185
This Frontier deal was found by Cheapflights users on 9/16. 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 10/206:05 amCVG - SEA
1 stop9h 02mFrontier
Tue 10/2812:58 pmSEA - CVG
1 stop9h 41mFrontier
Deal found 9/16$192
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sat 10/118:00 amCVG - SEA
1 stop26h 33mFrontier
Sat 10/188:43 pmSEA - CVG
1 stop25h 56mFrontier
Deal found 9/16$195
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:52 amCVG - SEA
Nonstop5h 03mDelta
Tue 10/2811:25 amSEA - CVG
Nonstop4h 20mDelta
Deal found 9/16$197
This Frontier deal was found by Cheapflights users on 9/15. 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 10/23:21 pmCVG - SEA
1 stop12h 09mFrontier
Mon 10/202:31 pmSEA - CVG
2 stops20h 25mFrontier
Deal found 9/15$198
This Frontier deal was found by Cheapflights users on 9/15. 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 10/311:27 pmCVG - SEA
2 stops22h 51mFrontier
Sun 11/22:22 pmSEA - CVG
1 stop8h 17mFrontier
Deal found 9/15$201
This Gotogate deal was found by Cheapflights users on 9/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:00 amCVG - SEA
1 stop17h 59mFrontier
Tue 10/71:02 pmSEA - CVG
1 stop7h 57mFrontier
Deal found 9/17$202
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:52 amCVG - SEA
Nonstop5h 03mDelta
Wed 10/811:25 amSEA - CVG
Nonstop4h 20mDelta
Deal found 9/16$203

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 September 17, 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

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 10/23

6:52 am-8:55 am

Nonstop5h 03m

Seattle/Tacoma Intl

Wed 10/29

11:25 am-6:45 pm

Nonstop4h 20m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 10/22

6:52 am-8:55 am

Nonstop5h 03m

Seattle/Tacoma Intl

Thu 10/30

11:25 am-6:45 pm

Nonstop4h 20m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 10/22

6:52 am-8:55 am

Nonstop5h 03m

Seattle/Tacoma Intl

Tue 10/28

11:25 am-6:45 pm

Nonstop4h 20m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 10/18

6:52 am-8:55 am

Nonstop5h 03m

Seattle/Tacoma Intl

Mon 10/20

5:55 pm-6:05 am

1 stop9h 10m

$207

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 10/11

7:00 am-11:31 am

1 stop7h 31m

Seattle/Tacoma Intl

Sat 10/18

5:00 am-4:52 pm

2 stops8h 52m

$228

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 10/18

6:49 pm-8:42 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Tue 10/21

10:20 am-5:49 pm

Nonstop4h 29m

$237

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 12/3

6:23 pm-8:35 pm

Nonstop5h 12m

Seattle/Tacoma Intl

Mon 12/8

9:59 am-5:23 pm

Nonstop4h 24m

$247

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Tue 10/7

6:49 pm-8:42 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Sat 10/11

10:20 am-5:49 pm

Nonstop4h 29m

$247

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 12/3

6:55 am-8:55 am

Nonstop5h 00m

Seattle/Tacoma Intl

Mon 12/8

11:26 am-6:44 pm

Nonstop4h 18m

$247

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Thu 11/6

7:35 pm-12:35 am

1 stop7h 00m

Seattle/Tacoma Intl

Tue 11/11

5:15 am-3:30 pm

2 stops8h 15m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 $387). 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 September 17, 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 5h 03m. Fly via Delta, Southwest, or Hawaiian Airlines to get the fastest option. There are 1959 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 Delta, with whom users have recently found tickets for as low as $112. However, be on the lookout for offers from United Airlines and Southwest, 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 Cincinnati Cinci./N. Kentucky - Seattle/Tacoma Intl. You may also consider Nashville Intl - 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 $387). 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
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$435FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$499FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$270Average$505FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$303Average$471FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$353Average$497FlexibilityNo cancel feeOn-time63%

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