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$63+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
dic. 18 — dic. 251
jue. 12/18
jue. 12/25
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 noviembre 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$180
(Priceline)

One-way from

$63
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$412
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
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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. 11% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 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 noviembre 18, 2025.

This Priceline deal was found by Cheapflights users on 11/17. 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.
vie. 12/126:10 amCVG - SEA
1 stop8h 43mFrontier
lun. 12/159:45 amSEA - CVG
1 stop9h 49mFrontier
Deal found 11/17$180
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:41 pmBNA - SEA
1 stop18h 12mFrontier
sáb. 1/102:27 pmSEA - BNA
1 stop26h 09mFrontier
Deal found 11/16$182
This Expedia deal was found by Cheapflights users on 11/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:10 amCVG - SEA
1 stop8h 43mMultiple Airlines
dom. 12/149:59 amSEA - CVG
Nonstop4h 24mMultiple Airlines
Deal found 11/16$184
This Cheapflightsfares deal was found by Cheapflights users on 11/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/106:23 pmCVG - SEA
Nonstop5h 12mAlaska Airlines
dom. 12/149:59 amSEA - CVG
Nonstop4h 24mAlaska Airlines
Deal found 11/17$186
This Delta deal was found by Cheapflights users on 11/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/106:30 amCVG - SEA
Nonstop5h 00mDelta
dom. 12/1411:59 pmSEA - CVG
1 stop8h 33mDelta
Deal found 11/18$189
This American Airlines deal was found by Cheapflights users on 11/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/69:25 amCVG - SEA
1 stop7h 30mAmerican Airlines
sáb. 12/136:00 amSEA - CVG
1 stop8h 15mAmerican Airlines
Deal found 11/15$196
This Delta deal was found by Cheapflights users on 11/16. 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.
jue. 12/116:30 amCVG - SEA
Nonstop5h 00mDelta
lun. 12/1511:25 amSEA - CVG
Nonstop4h 18mDelta
Deal found 11/16$197
This Cheapflightsfares deal was found by Cheapflights users on 11/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/57:00 amBNA - SEA
Nonstop5h 19mAlaska Airlines
lun. 12/85:36 pmSEA - BNA
Nonstop4h 23mAlaska Airlines
Deal found 11/16$198
This Delta deal was found by Cheapflights users on 11/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/66:55 amCVG - SEA
Nonstop5h 00mDelta
sáb. 12/1311:15 pmSEA - CVG
1 stop8h 02mDelta
Deal found 11/15$198
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:00 amBNA - SEA
Nonstop5h 14mDelta
sáb. 1/103:15 pmSEA - BNA
Nonstop4h 13mDelta
Deal found 11/17$199
This American Airlines deal was found by Cheapflights users on 11/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1012:18 pmCVG - SEA
1 stop9h 37mAmerican Airlines
sáb. 12/1312:38 amSEA - CVG
1 stop6h 56mAmerican Airlines
Deal found 11/17$206
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:30 amCVG - SEA
Nonstop5h 00mDelta
dom. 12/145:59 pmSEA - CVG
1 stop9h 16mDelta
Deal found 11/17$208

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 noviembre 18, 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

mié. 1/7

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

lun. 1/12

11:45 am-7:04 pm

Nonstop4h 19m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

lun. 1/19

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

mar. 2/3

12:21 pm-7:49 pm

Nonstop4h 28m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

dom. 2/1

6:45 am-8:52 am

Nonstop5h 07m

Seattle/Tacoma Intl

sáb. 2/7

11:20 am-6:38 pm

Nonstop4h 18m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

mié. 1/21

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

vie. 2/6

12:21 pm-7:49 pm

Nonstop4h 28m

$187

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

vie. 1/23

8:00 am-10:10 am

Nonstop5h 10m

Seattle/Tacoma Intl

lun. 2/2

12:21 pm-7:49 pm

Nonstop4h 28m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

lun. 2/16

6:35 am-8:42 am

Nonstop5h 07m

Seattle/Tacoma Intl

lun. 2/23

11:45 am-7:04 pm

Nonstop4h 19m

$197

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

mié. 1/21

6:04 pm-11:15 pm

1 stop8h 11m

Seattle/Tacoma Intl

mié. 2/4

11:45 am-7:04 pm

Nonstop4h 19m

$198

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

jue. 3/5

7:00 am-10:19 am

Nonstop5h 19m

Seattle/Tacoma Intl

dom. 3/8

5:40 pm-11:59 pm

Nonstop4h 19m

$199

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

jue. 1/15

7:00 am-10:16 am

Nonstop5h 16m

Seattle/Tacoma Intl

mar. 1/20

9:00 am-3:21 pm

Nonstop4h 21m

$199

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

mar. 1/13

7:35 am-10:44 am

Nonstop5h 09m

Seattle/Tacoma Intl

dom. 1/18

3:15 pm-9:28 pm

Nonstop4h 13m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

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 noviembre 18, 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 United 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 Southwest, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Delta and Alaska 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, 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
SeaTac
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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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 noviembre 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$431FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$511FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$270Average$503FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$462FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$353Average$505FlexibilityNo cancel feeOn-time63%

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