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$57+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
1 adult, Economy
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Cheap 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 December 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:07 pmBNA - SEA
Nonstop5h 11mAlaska Airlines
Sat 1/319:00 amSEA - BNA
Nonstop4h 21mAlaska Airlines
Deal found 11/30$199
This Expedia deal was found by Cheapflights users on 12/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 amCVG - SEA
1 stop9h 20mFrontier
Sun 1/46:05 pmSEA - CVG
1 stop22h 05mFrontier
Deal found 12/1$208
This Delta deal was found by Cheapflights users on 11/30. 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.
Wed 12/243:30 pmBNA - SEA
1 stop9h 57mDelta
Wed 12/315:35 pmSEA - BNA
Nonstop4h 22mDelta
Deal found 11/30$209
This Mytrip deal was found by Cheapflights users on 11/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:52 pmTYS - SEA
1 stop22h 01mFrontier
Sat 1/102:49 pmSEA - TYS
1 stop21h 39mFrontier
Deal found 11/30$212
This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:41 pmBNA - SEA
1 stop18h 12mFrontier
Sat 12/1312:48 pmSEA - BNA
1 stop27h 02mFrontier
Deal found 12/2$233
This Mytrip deal was found by Cheapflights users on 11/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:41 pmBNA - SEA
1 stop18h 12mFrontier
Sun 12/1412:48 pmSEA - BNA
1 stop27h 58mFrontier
Deal found 11/30$237
This Mytrip deal was found by Cheapflights users on 11/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:30 pmCVG - SEA
1 stop15h 41mFrontier
Wed 12/241:25 pmSEA - CVG
1 stop20h 48mFrontier
Deal found 11/30$237
This Mytrip deal was found by Cheapflights users on 12/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:10 amCVG - SEA
1 stop8h 43mFrontier
Sun 12/146:18 pmSEA - CVG
1 stop21h 52mFrontier
Deal found 12/1$240
This KAYAK deal was found by Cheapflights users on 11/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:20 amBNA - SEA
Nonstop5h 11mAlaska Airlines
Thu 12/2511:39 pmSEA - BNA
Nonstop4h 21mAlaska Airlines
Deal found 11/30$258
This Frontier deal was found by Cheapflights users on 11/30. 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 12/126:10 amCVG - SEA
1 stop8h 43mFrontier
Mon 12/159:45 amSEA - CVG
1 stop9h 49mFrontier
Deal found 11/30$258
This Gotogate deal was found by Cheapflights users on 11/30. 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.
Thu 12/187:16 pmCVG - SEA
1 stop20h 14mFrontier
Wed 12/241:25 pmSEA - CVG
1 stop20h 48mFrontier
Deal found 11/30$261
This Delta deal was found by Cheapflights users on 11/30. 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.
Sun 12/217:59 pmCVG - SEA
1 stop7h 21mDelta
Wed 12/3112:55 amSEA - CVG
1 stop6h 21mDelta
Deal found 11/30$268

Find flight deals from Kentucky to Seattle

Keep the following information in mind while searching for Kentucky to Seattle flight deals. Data was last updated December 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$57
(Southwest)

Popular in

July

Cheapest in

October

Average price

$489
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
Search Deals
From Kentucky to Seattle/Tacoma Intl
Search Deals
One-way flight from Kentucky to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 2, 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

Wed 1/21

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Wed 2/4

10:59 pm-8:53 am

1 stop6h 54m

$168

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 1/10

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Mon 1/12

9:55 pm-11:12 am

1 stop10h 17m

$168

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 1/22

6:04 pm-11:15 pm

1 stop8h 11m

Seattle/Tacoma Intl

Sun 1/25

11:45 am-7:04 pm

Nonstop4h 19m

$169

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 1/8

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

Thu 1/15

12:21 pm-7:49 pm

Nonstop4h 28m

$177

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Fri 1/9

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

Sun 1/11

12:21 pm-7:49 pm

Nonstop4h 28m

$177

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sat 2/14

6:30 am-12:58 pm

1 stop9h 28m

Seattle/Tacoma Intl

Fri 2/27

11:15 pm-10:07 am

1 stop7h 52m

$179

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 1/7

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

Mon 1/12

11:45 am-7:04 pm

Nonstop4h 19m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 1/29

7:59 pm-12:09 am

1 stop7h 10m

Seattle/Tacoma Intl

Tue 2/3

11:45 am-7:04 pm

Nonstop4h 19m

$188

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Thu 1/8

7:10 pm-11:22 pm

1 stop7h 12m

Seattle/Tacoma Intl

Tue 1/13

11:45 am-7:04 pm

Nonstop4h 19m

$198

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Fri 1/9

4:23 pm-7:39 pm

Nonstop5h 16m

Seattle/Tacoma Intl

Sun 1/11

5:36 pm-11:57 pm

Nonstop4h 21m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

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, August is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $208). Flying from Kentucky to Seattle in June is currently the most expensive (average of $346). 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 December 2, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Kentucky to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from Kentucky to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Kentucky to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kentucky to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 07m. Fly via Delta, Alaska Airlines, or Frontier 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 American Airlines, with whom users have recently found tickets for as low as $128. However, be on the lookout for offers from Delta 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, August is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $208). Flying from Kentucky to Seattle in June is currently the most expensive (average of $346). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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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 December 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$430FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$511FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$270Average$503FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$293Average$463FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$350Average$497FlexibilityNo cancel feeOn-time63%

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